The invention relates to a mobile imaging device (10) for the location-independent generation of at least one image (12) of a cut edge (14) of a workpiece (16), comprising: a main body (18) comprising a cut-edge stop (20) which is located or formed on the main body and intended for placing the main body (18) against the workpiece (16) having the cut edge (14) to be imaged; an imaging unit (24) which is located in or on the main body (18) and intended for imaging the cut edge (14); wherein the cut-edge stop (20) forms a predetermined edge distance (22) to the imaging unit (24) along an optical imaging axis (28) of the imaging unit (24), wherein the predetermined edge distance (22) causes a constant imaging distance of the imaging unit (24) to the cut edge (14) when the imaging device (24) is placed on the workpiece (16). The invention also relates to an imaging system (42), to an imaging arrangement (40), and to an imaging method (50).
B23Q 17/24 - Agencements sur les machines-outils pour indiquer ou mesurer utilisant des moyens optiques
B26D 5/00 - Dispositions pour manœuvrer et commander les machines ou les dispositifs de coupe, découpage, poinçonnage, perforation ou séparation autrement que par coupe
G01B 11/02 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur
G01N 21/88 - Recherche de la présence de criques, de défauts ou de souillures
The invention relates to a method (100) for readjusting a separating process. As part of the method (100), a workpiece (14) and workpiece parameters are provided, wherein the workpiece parameters represent properties of the workpiece (14) that are relevant to the separating process. A manufacturing means (18) for separating the workpiece (14) and parameter values of control parameters for controlling the manufacturing means (18) are also provided. While carrying out a separation step from a group of specified separation steps, the occurring separating forces and/or travel, in particular of the manufacturing means (18), are measured. Actual parameter values of the workpiece parameters are ascertained from the measured separating forces and/or travel using an evaluation model. The actual parameter values of the workpiece parameters are converted into a prediction model (44). The prediction model (44) determines readjustment values of the control parameters in order to minimize the difference between the actual parameter values and target values of the workpiece parameters at separation of the workpiece (14). The control parameters are set to the readjustment values. The method steps from controlling the manufacturing means (18) so as to separate the workpiece (14) to readjusting the control parameters are repeated until the specified separation steps have been carried out.
G05B 13/02 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques
G05B 13/04 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs
The invention relates to a method for outputting identification information on a workpiece part (21) to be identified from a plurality of workpiece parts (20), the workpiece parts (20) each having a cut edge, wherein: at least one first image (6) of at least a part (25) of the cut edge of each workpiece part (20) is generated for each workpiece part (20) of the plurality of workpiece parts (20); the identification information (50) for each workpiece part (20) is assigned to the relevant first image (6); at least one second image (7) of at least a part of the cut edge of the workpiece part (21) to be identified is generated for the workpiece part (21) to be identified; the second image (7) is compared with the plurality of first images (6); the first image (6) with the greatest similarity to the second image (7) is selected, and the identification information (50) assigned to the selected first image (6) is output.
G06V 10/74 - Appariement de motifs d’image ou de vidéoMesures de proximité dans les espaces de caractéristiques
G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
4.
HANDLING DEVICE AND HANDLING METHOD FOR HANDLING A PLATE-SHAPED MATERIAL
The invention relates to a handling device and a handling method for handling a plate-shaped material, comprising a support frame (18) which comprises two longitudinal struts (19) and two transverse struts (20), a gripping device (25) which is arranged on the support frame (18) and which has two guide strips (26) that are oriented towards each other, can be moved on the support frame (18), and can be adjusted in a mutually spaced manner, and at least one gripper (30), said grippers being arranged on each guide strip (26) and comprising a gripping element (32) and a clamping element (31) that can be converted into an open position (33) and a closed position (34), wherein the support frame (18) is provided with a support structure (41) which extends at least partly on a plane or parallel to a plane of the support frame (18), the grippers (30) can be moved at least partly within the support structure (41), and in a gripping position, the grippers (30) fix the plate-shaped material (9) so as to rest against the support structure (41) in a transport position.
METHOD FOR ADAPTING A TRAINED MACHINE-LEARNING MODEL OF A MACHINE TOOL, METHOD FOR OPERATING A MACHINE TOOL, MACHINE TOOL, COMPUTER PROGRAM AND COMPUTER-READABLE MEDIUM
The invention relates to a method for measuring flatness deviations of components (16) in a punching machine, comprising an upper measuring tool (10) and a lower measuring tool in the form of a die (11) comprising a central die part (13) which can be moved downwards. The method has the steps of: - measuring the distance (s0) between the upper starting position of the upper measuring tool (10) and the die (11); - placing a component (16) to be measured on the die (11); - moving the upper measuring tool (10) from the upper starting position thereof until an increase in the force being exerted on the upper measuring tool (10) indicates a contact between the upper measuring tool (10) and the component (16) and measuring the path (s1) of the upper measuring tool (10) up until the upper measuring tool contacts the component (16); and - comparing the distance (s0) of the upper measuring tool (10) to the die (11) and the path (s1) traversed by the upper measuring tool (10) up until contacting the component (16) with a starting thickness (d) of the component (16) and checking whether the central die part (13) has moved downwards or remains in its starting position.
G01B 5/213 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer des contours ou des courbes pour mesurer le rayon de courbure
G01B 5/28 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer la rugosité ou l'irrégularité des surfaces
B21C 51/00 - Dispositifs de mesure, de calibrage, d'indication, de comptage ou de marquage, spécialement conçus pour être utilisés dans la production ou la manipulation des matériaux concernés par les sous-classes
B21D 28/00 - Mise en forme par découpage à la pressePerforation
B26D 5/00 - Dispositions pour manœuvrer et commander les machines ou les dispositifs de coupe, découpage, poinçonnage, perforation ou séparation autrement que par coupe
7.
HANDLING APPARATUS FOR HANDLING A PREFERABLY PLATE-LIKE OR PANEL-LIKE WORKPIECE
A handling apparatus (1) for handling a workpiece, in particular a metal sheet, has a carrying structure (3) and a workpiece-side holding unit (4). An actuator can be used to move the holding unit (4) relative to the carrying structure (3), by way of an actuating movement, into a carrying-structure-remote end position and into at least one carrying-structure-side position. During the actuating movement, the holding unit (4) is held on the carrying structure (3). In the carrying-structure-remote end position of the holding unit (4), a holding-unit-side form-fitting element (20), which is connected to the holding-unit-side guide element (18), and a carrying-structure-side form-fitting element (21), which is connected to the carrying-structure-side guide element (17), establish a form fit with a controllable degree of freedom, on account of which the holding-unit-side guide element (18) has a controllable degree of freedom in the direction of the carrying structure (3) relative to the carrying-structure-side guide element (17). The degree of freedom of the holding-unit-side guide element (18) relative to the carrying-structure-side guide element (17) is controllable in that, in the carrying-structure-remote end position of the holding unit (4), a force generator can generate a contact-pressure force, by means of which the holding-unit-side form-fitting element (20) acts on the carrying-structure-side form-fitting element (21) and the magnitude of which is variably adjustable such that the holding-unit-side guide element (18) is or is not deflectable in the direction of the carrying structure (3) relative to the carrying-structure-side guide element (17) and, consequently, longitudinal movability of the holding element (4) is optionally enabled or blocked.
The invention relates to a gripping device (43) for a handling device (31) of a processing machine (11), in particular for handling plate-form or panel-form workpieces (12, 37), having a carrying structure (45), having at least one gripper bar (46, 47), which is arranged on the carrying structure (45) and is oriented for displacement along an axis of the carrying structure (45) and extends along a further axis of the carrying structure (45), which differs from the displacement axis, and having gripping elements (49), which are arranged on the underside of the gripper bars (46, 47) and are intended for handling the at least one workpiece (12, 37), wherein the gripper bars (46, 47) each have, in an end region, at least one gripper finger (51), which - as seen in the longitudinal axis of the gripper bar (46, 47) - is of a tapered design in relation to a main portion (50) of the gripper bar (46, 47).
The invention relates to a method for cutting a workpiece (1), in particular a plate-shaped workpiece, using a cutting beam, wherein a workpiece part (2) to be cut free falls downwards from the surrounding remaining workpiece (5) or is lowered after the cutting process, wherein the cutting beam is guided along a cutting contour in order to cut the workpiece part (2). The cutting beam is moved at a first advancing speed (13) in an initially cut region of the cutting contour, and the cutting beam is moved at a second advancing speed (14), which is reduced in comparison to the first advancing speed (13), in a specified end section (E) of the cutting contour.
B23K 26/08 - Dispositifs comportant un mouvement relatif entre le faisceau laser et la pièce
B23K 26/14 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet
B23K 26/38 - Enlèvement de matière par perçage ou découpage
A machine management method for performing planned activities on a machine is provided. Workpieces are manufactured by the machine according to a predetermined schedule during a respective planned activity of the machine. Manufactured workpieces are sorted from a removal area of the machine into a deposition area during a further respective planned activity of the machine according to the predetermined schedule. The method includes determining a manufacturing time for the workpieces by a machine management system based on manufacturing process data of the machine, determining a removal time for sorting the workpieces by the machine management system based on removal process data, changing the predetermined schedule to obtain a changed schedule for the planned activities by the machine management system based on a comparison of the manufacturing time with the removal time, and transferring the changed schedule to a controller of the machine.
G05B 19/418 - Commande totale d'usine, c.-à-d. commande centralisée de plusieurs machines, p. ex. commande numérique directe ou distribuée [DNC], systèmes d'ateliers flexibles [FMS], systèmes de fabrication intégrés [IMS], productique [CIM]
11.
METHOD FOR INSERTING A LASER BEAM OF A LASER CUTTING MACHINE INTO A PLATE-LIKE WORKPIECE FOR CUTTING OUT A WORKPIECE PART FROM THE WORKPIECE ALONG A PREDETERMINED CUTTING CONTOUR ON THE WORKPIECE DESCRIPTION
A method for inserting a laser beam of a laser cutting machine into a plate-like workpiece for cutting out a workpiece part from the workpiece along a predetermined cutting contour on the workpiece is provided. The workpiece rests on a workpiece support having a plurality of supporting regions. Relative positions of the supporting regions in relation to the workpiece are known. The method includes assigning predefined surface regions on the workpiece to the supporting regions based on the known relative positions, and selecting a damage-free insertion point for inserting the laser beam into the workpiece for cutting out the workpiece part. A position of the insertion point lies outside the predefined surface regions such that the laser beam does not pierce any of the supporting regions.
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
12.
METHOD AND DEVICE FOR CHANGING PROCESSING PARAMETER VALUES DURING A BEAM PROCESSING METHOD
A method for changing processing parameter values while a beam processing method is carried out includes changing an advancement speed of the beam processing method relative to a predefined advancement speed, and changing a value of a second processing parameter of the beam processing method relative to a predefined value for the second processing parameter according to a change in the advancement speed.
A method for assisting in distinguishing between sheet-metal workpieces includes selecting at least a first item of workpiece information of a first workpiece and a second item of workpiece information of a second workpiece, retrieving the first item and the second item of workpiece information by a computing unit from a memory and comparing the first item and the second item with each other, determining, by the computing unit, at least one difference between the first item and the second item of workpiece information, obtaining a respective drawing of the first workpiece or the second workpiece from each of the first item and the second item of workpiece information, and outputting the drawings of the first item and the second item of workpiece information graphically via an output unit. The at least one difference is highlighted in at least one of the drawings.
The invention relates to a method for setting values for cutting parameters (122) of a laser cutting machine (1) for sheet metal, wherein: at least one first cut edge (13) is produced by means of the laser cutting machine (1) using a plurality of first cutting parameter values (124); at least one first image (16) of the produced cut edge (13) is created; a plurality of second cutting parameter values (126) is determined automatically based on the first image (16), the plurality of second cutting parameter values (126) comprising the same cutting parameters (122) as the plurality of first cutting parameter values (124), the plurality of second cutting parameter values (126) having at least one cutting parameter value that differs from the plurality of first parameter values (124); and the plurality of second cutting parameter values (126) is set on the laser cutting machine (2).
B23K 26/03 - Observation, p. ex. surveillance de la pièce à travailler
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 31/00 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux
B23K 31/12 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs à la recherche des propriétés, p. ex. de soudabilité, des matériaux
G05B 13/02 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques
15.
MAINTENANCE METHOD AND MAINTENANCE SYSTEM FOR A LASER OPTICS SYSTEM
The invention relates to a maintenance method (10) for determining soilings (12) on a laser optics system (14) of a laser beam system (16), having the method steps of: a) producing (20) a speckle image (22) with a plurality of speckles (30) on a speckle image blank (26), wherein the speckle image (22) is formed by irradiating a light-sensitive surface (24) of the speckle image blank (26) with a laser beam (18) passing through the laser optics system (14); b) evaluating (32) the speckle image (22), wherein at least one speckle geometry (34) is determined of at least one of the speckles (30); c) comparing (36) the at least one determined speckle geometry (34) with at least one stored characteristic speckle geometry (38), wherein a soiling (12) of the laser optics system (14) is detected when a predetermined similarity or agreement of the determined speckle geometry (34) with the characteristic speckle geometry (38) is found; g) outputting (40) soiling information (42), wherein the soiling information (42) includes at least the number (43) of detected soilings (12). The invention also relates to a maintenance system (68).
A method for producing a plurality of workpieces (110, 112), and a computer program, a data processing device and a machine tool (104) each configured to carry out the method.
The invention relates to a device (10) for receiving at least one workpiece for a laser- or plasma-cutting device with the features of claim (1), to a laser- or plasma-cutting device comprising such a device (10) with the features of claim (17), and to a method for installing and/or uninstalling such a device (10) with the features of claim (18).
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
B23Q 3/00 - Dispositifs permettant de maintenir, supporter ou positionner les pièces ou les outils, ces dispositifs pouvant normalement être démontés de la machine
B25H 1/02 - ÉtablisÉtagères ou supports portatifs pour disposer des outils portatifs ou des pièces à travailler du type table
B65G 17/06 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge avec une surface portante formée par une série de maillons, de plaques ou plates-formes reliés entre eux, p. ex. longitudinaux
18.
DEVICE FOR RECEIVING A WORKPIECE, AND A LASER OR PLASMA CUTTING APPARATUS
The invention relates to a device (10), having features of claim (1), for receiving at least one workpiece for a laser or plasma cutting apparatus, and to a laser or plasma cutting apparatus, having features of claim (11), comprising such a device (10).
B23K 10/00 - Soudage ou découpage au moyen d'un plasma
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
B23Q 3/00 - Dispositifs permettant de maintenir, supporter ou positionner les pièces ou les outils, ces dispositifs pouvant normalement être démontés de la machine
B25H 1/02 - ÉtablisÉtagères ou supports portatifs pour disposer des outils portatifs ou des pièces à travailler du type table
B65G 17/06 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge avec une surface portante formée par une série de maillons, de plaques ou plates-formes reliés entre eux, p. ex. longitudinaux
19.
METHOD FOR MONITORING A MACHINING REGION OF A MACHINE TOOL, MONITORING SYSTEM AND MACHINE TOOL
The invention relates to a method (10) for monitoring a machining region (12) of a machine tool (14), in particular a laser cutting machine, having the following method steps: a) positioning (16) at least one optical distance sensor (18) above the machining region (12), wherein the distance sensor (18) is directed to the machining region (12); b) creating (28) a surface profile (24; 24a; 24b) of at least one portion of the machining region (12) by scanning the machining region (12) by means of a measuring beam (20) of the distance sensor (18); c) determining (28) at least one fault situation in the machining region (12) by evaluating the surface profile (24; 24a; 24b); d) outputting (42) a monitoring result depending on the determined fault situation. The invention also relates to a monitoring system (46) and a machine tool (14).
B23K 26/03 - Observation, p. ex. surveillance de la pièce à travailler
B23K 26/08 - Dispositifs comportant un mouvement relatif entre le faisceau laser et la pièce
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
20.
METHOD AND DEVICES FOR WORKPIECE SEPARATION AND FOR DIVIDING UP A REMAINING GRID OF A WORKPIECE SEPARATION
A method for shredding a scrap skeleton produced as a machining product of separating machining of a plate-like workpiece and having a scrap skeleton main plane is provided. The method includes creating an incomplete joint having a course along a separating line running in a longitudinal direction. The scrap skeleton is machined for separation along the separating line. A breakable residual connection arranged along the separating line is established between a first scrap skeleton part and a second scrap skeleton part. The method further includes, after the incomplete joint is created, deflecting the first scrap skeleton part and the second scrap skeleton part relative to one another perpendicularly to the scrap skeleton main plane so that the residual connection between the first scrap skeleton part and the second scrap skeleton part breaks, thereby separating the first scrap skeleton part and the second scrap skeleton part from one another.
A method for processing a plastically deformable workpiece includes driving the workpiece using a workpiece drive so that the workpiece is moved to a feeding drive. driving the workpiece using a feeding drive so that a partial length of the workpiece is conveyed to a working region to be processed, driving the workpiece using the workpiece drive while the feeding drive has been stopped so that an intermediate length of the workpiece is arranged between the workpiece drive and the feeding drive. An advancement speed is adjusted such that the intermediate length is shorter than or equal to a maximum intermediate length. While the workpiece is being conveyed into the working region, a feeding speed of the workpiece generated by the feeding drive and the advancement speed generated by the workpiece drive are adjusted such that the intermediate length is shorter than or equal to the maximum intermediate length.
A sorting apparatus for sorting workpieces of a workpiece sheet includes a support region with support elements for placing the workpiece sheet thereon. At least one sorting opening for the workpieces to fall through is formed between adjacent support elements. The sorting apparatus further includes a collection region arranged below the support region and having at least two collection compartments for collecting the workpieces, a guide region arranged between the support region and the collection region and having at least one guide element for guiding the workpieces falling through the at least one sorting opening to the collection compartments, and an adjustment device for adjusting the collection compartments relative to the at least one guide element and/or for adjusting the at least one guide element relative to the collection compartments such that, via the at least one guide element, workpieces are selectively fed to a respective collection compartment.
A laser processing head for processing a workpiece by a laser beam includes at least one scanning device for diverting the laser beam, and at least one collimator for collimating the laser beam. The at least one collimator is movable during operation along a propagation direction of the laser beam, whereby a diameter of the laser beam incident on the workpiece is changeable.
B23K 26/064 - Mise en forme du faisceau laser, p. ex. à l’aide de masques ou de foyers multiples au moyen d'éléments optiques, p. ex. lentilles, miroirs ou prismes
B23K 26/38 - Enlèvement de matière par perçage ou découpage
24.
METHOD FOR OPERATING A MECHANICAL PRODUCTION PLANT, AND MECHANICAL PRODUCTION PLANT
The invention relates to a method for operating a mechanical production plant, in which method a number of storage pallets (8) that is required for a production process is provided for a pallet storage unit (10). The storage pallets (8) are transferred between a storage location (13/1, 13/2) on a storage rack (9) of the pallet storage unit (10) and a mechanical production device provided for carrying out the production process. The pallet storage unit (10) is designed to match the production process by means of the storage pallets (8). An existing configuration is changed in order to obtain a new configuration of the pallet storage unit (10) in that the storage height of at least one pallet storage location (13/1, 13/2) is changed by changing the number of storage pallets (8) in the pallet storage unit (10). A pallet supply (20) is provided, to which storage pallets (8) are transferred that are required for the existing configuration of the pallet storage unit (10) and that are not required for the new configuration of the pallet storage unit (10) and/or from which storage pallets (8) stored in the pallet supply (20) are removed that are required for the new configuration of the pallet storage unit (10) in addition to the storage pallets (8) required for the existing configuration of the pallet storage unit (10). The invention also relates to a mechanical production plant which is designed to carry out the above method.
B23Q 7/10 - Agencements pour la manipulation des pièces, spécialement combinés aux machines-outils ou disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines, p. ex. pour le transport, le chargement, le positionnement, le déchargement, le triage au moyen de magasins
B23Q 7/14 - Agencements pour la manipulation des pièces, spécialement combinés aux machines-outils ou disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines, p. ex. pour le transport, le chargement, le positionnement, le déchargement, le triage coordonnés pour permettre un travail en chaîne
B65G 60/00 - Empilage et désempilage simultanés ou alternatifs d'objets
25.
METHOD FOR CHECKING THE CALIBRATION OF AN IMAGE PROCESSING SYSTEM OF A SHEET METAL WORKING MACHINE
A method for checking calibration of an image processing system of a sheet metal working machine includes arranging a calibration plate of a predefined shape in a removal region for processed workpieces, capturing, using at least one camera of the imaging processing system, an image of the calibration plate in the removal region, testing whether properties of the image in different test sections of the removal region correspond with stored properties of the calibration plate, and outputting a result of the testing.
G06T 7/80 - Analyse des images capturées pour déterminer les paramètres de caméra intrinsèques ou extrinsèques, c.-à-d. étalonnage de caméra
B21D 28/26 - Perforation, c.-à-d. découpage de trous dans des tôles ou des pièces plates
B23K 26/38 - Enlèvement de matière par perçage ou découpage
26.
METHOD FOR REPLACING A SET OF CUTTING PARAMETERS FOR PRODUCING A CUTTING EDGE BY MEANS OF A LASER CUTTING MACHINE WITH AN OPTIMISED SET OF CUTTING PARAMETERS, AND LASER CUTTING MACHINE
The invention relates to a method for replacing a set of cutting parameters for producing a cutting edge (12) by means of a laser cutting machine (10) with an optimised set of cutting parameters, the method comprising the following steps: a1) producing the cutting edge (12) by means of the laser cutting machine (10) using the set of cutting parameters, wherein the cutting edge has a machining error (14), b) classifying the machining error (14) according to the type of machining error (14), c) generating several modified sets of cutting parameters based on the classification, d) producing further cutting edges (16) by means of the laser cutting machine (10) using the modified sets of cutting parameters, wherein each modified set of cutting parameters is used to produce one further cutting edge (16), e) creating an evaluation (18) of the further cutting edges (16) by rating an occurrence of machining errors (22) for each of the further cutting edges (16), f1) ascertaining a further cutting edge (16) evaluated as best in the evaluation (18) of the further cutting edges (16), g) replacing the set of cutting parameters with the optimised set of cutting parameters, wherein the optimised set of cutting parameters is based on the modified set of cutting parameters with which the ascertained further cutting edge was produced.
B23K 26/03 - Observation, p. ex. surveillance de la pièce à travailler
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 31/10 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs au découpage ou au dépolissage
B23K 31/12 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs à la recherche des propriétés, p. ex. de soudabilité, des matériaux
27.
METHOD, VIBRATION APPARATUS AND SEPARATING APPARATUS FOR SEPARATING AT LEAST ONE WORKPIECE FROM A SCRAP-SKELETON PARTS ASSEMBLY
The invention relates to a method, to a vibration apparatus and to a separating apparatus for separating at least one workpiece (7) from a scrap-skeleton parts assembly (9) produced by cutting machining in a machine tool (3), wherein the scrap-skeleton parts assembly (9) is guided out of the machine tool (3), wherein the scrap-skeleton parts assembly (9) is fed to a separating apparatus (21) comprising a conveying device (27) with a conveying means (28) for transporting the scrap-skeleton parts assembly (9) in a transporting direction (22), and a vibration apparatus (25) is transferred from a rest position into a working position and placed on the scrap-skeleton parts assembly (9), and the vibration apparatus (25) is activated in the working position.
B23Q 7/00 - Agencements pour la manipulation des pièces, spécialement combinés aux machines-outils ou disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines, p. ex. pour le transport, le chargement, le positionnement, le déchargement, le triage
28.
DEVICE AND METHOD FOR RELEASING A WORKPIECE WITH A CUT EDGE
A device (10) for releasing a workpiece (12) with a cut edge (14), produced by a first machine tool (20), for a further process by a second machine tool (36). The device has a detection means (16), for example a camera (22), and a control means (18). The detection means (16) is designed to detect a formation of the cut edge (14) of the workpiece (12). The control means (18) is designed to release the workpiece (12) for the process (36) based on the detected formation of the cut edge (14) and in the event of a low-level machining defect. Furthermore, the control means (18) is designed not to release the workpiece (12) based on the detected formation of the cut edge (14) and in the event of a high-level machining defect, and the workpiece (12) can be transferred in this case to a third machine tool (38) in order to remedy the machining defect.
G05B 19/406 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par le contrôle ou la sécurité
G05B 19/418 - Commande totale d'usine, c.-à-d. commande centralisée de plusieurs machines, p. ex. commande numérique directe ou distribuée [DNC], systèmes d'ateliers flexibles [FMS], systèmes de fabrication intégrés [IMS], productique [CIM]
B23K 26/03 - Observation, p. ex. surveillance de la pièce à travailler
29.
COMPUTER-SUPPORTED MANUFACTURING METHOD, AND MANUFACTURING SYSTEM
The invention relates to a computer-supported manufacturing method (10) for determining at least one manufacturing parameter (12) for manufacturing a workpiece (14, 16, 18) using a processing machine (20), having the steps of: providing (22) a workpiece geometry (24) of the workpiece (14, 16, 18) to be manufactured; generating (32) a workpiece identification (34), wherein the workpiece identification (34) has a manufacturing characteristic (36) of at least one manufacturing feature (38) which characterizes the workpiece geometry (24); and determining (60) the manufacturing parameter (12) for manufacturing the workpiece (14, 16, 18) to be manufactured by comparing the workpiece identification (34) with stored reference identifications (62), in particular a plurality of stored reference identifications, of workpieces which have already been manufactured. The invention additionally relates to a manufacturing system (64) comprising a system controller (68) for carrying out the manufacturing method (10).
G05B 19/4093 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par la programmation de pièce, p. ex. introduction d'une information géométrique dérivée d'un dessin technique, combinaison de cette information avec l'information d'usinage et de matériau pour obtenir une information de commande, appelée programme de pièce, pour la machine à commande numérique [CN]
G05B 19/4097 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par l'utilisation de données de conception pour commander des machines à commande numérique [CN], p. ex. conception et fabrication assistées par ordinateur CFAO
30.
COMPUTER-IMPLEMENTED METHOD FOR ARRANGING ERROR REPORTS IN AT LEAST TWO ERROR REPORT GROUPS OF SIMILAR ERROR SITUATION
The invention relates to a computer-implemented method (100) for arranging error reports (10) in at least two error report groups (30) of different error situation (31, 32, 33, 34), and to an associated computer program product (8), group-forming system (5) and system (200), comprising the group-forming system (5) and at least one test system (1).
G06F 11/07 - Réaction à l'apparition d'un défaut, p. ex. tolérance de certains défauts
G06F 11/36 - Prévention d'erreurs par analyse, par débogage ou par test de logiciel
G06F 11/22 - Détection ou localisation du matériel d'ordinateur défectueux en effectuant des tests pendant les opérations d'attente ou pendant les temps morts, p. ex. essais de mise en route
A laser machining method includes defining at least one threshold value S0 with respect to a light-intensity-dependent first process variable F in at least one working range KAB or at a working point KAP, detecting a light-intensity-independent second process variable K during operation of a laser machine tool in the at least one working range KAB or at the working point KAP, determining a change in the first process variable F in the at least one working range KAB or at the working point KAP when process conditions change, and changing the at least one threshold value S0 to a second threshold value S0R according to the change of the first process variable F from a first value F0 to a second value F0R.
B23K 31/10 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs au découpage ou au dépolissage
B23K 26/38 - Enlèvement de matière par perçage ou découpage
32.
COMPUTER-IMPLEMENTED METHOD FOR REDUCING ERROR LOGFILES OF A SYSTEM
The invention relates to a computer-implemented method (100) for reducing error logfiles (10) of at least one system (1), and to an associated computer program product (8), a reducing system (5) and a system environment (200) comprising the reducing system (5) and at least one system (1).
The invention relates to a handling device and to a method for removing a residual grid assembly (9) from a workpiece support (15) in a machine tool (3), which assembly can be produced from a plate-shaped material (2) by means of a cutting process and comprises at least one workpiece (7) and a residual grid (8) that are arranged in a common workpiece plane (18) after the cutting process, the handling device comprising a support framework (23) on which a rear-engagement device (24) is provided, the rear-engagement device having rear-engagement elements (19, 20) that can be moved relative to the support framework (23) and, in a gripping position, jointly engage behind the at least one workpiece (7) and the residual grid (8), wherein a holding-down element (26) is provided on the support framework (23), the holding-down element (26) is provided between the support framework (23) and the rear-engagement elements (19, 20) arranged in the gripping position (33), and the residual grid assembly (9) can be positioned so as to be clamped between the holding-down element (26) and the rear-engagement elements (19, 20) arranged in the gripping position.
The invention relates to a method and to a separating device for separating at least one workpiece (7) from a residual grid (8) of a residual grid assembly of parts (9) which is produced in a machine tool (3) from a plate-shaped material (2) by means of a cutting process, wherein the residual grid assembly of parts (9) is fed to a holder (42) of the separating device (41) together with a holding-down element (26) resting on an upper side of the residual grid assembly of parts (9), wherein the holding-down element (26) and the residual grid assembly of parts (9) are jointly excited to vibrate by a vibration drive (45), and wherein the holding-down element (26) enables the at least one workpiece (7) to be separated in a targeted manner only downward with respect to the bottom side of the residual grid assembly of parts (9).
The invention relates to a handling device and to a method for separating a workpiece (7) from a residual grid (8) of a residual grid assembly of parts (9) which can be produced from a plate-shaped material (2) by means of a cutting process, said handling device comprising: a support framework (23) on which a rear-engagement device (24) is provided which has rear-engagement elements (19, 20) that can be moved relative to the support framework (23) from a disengagement position into a gripping position (33) in which the residual grid assembly of parts (9) is engaged from behind; and a holding device (28) which is arranged on the support framework (23) and which comprises at least one holding element (27), by means of which the residual grid assembly of parts (9) can be transferred from a gripping position (33) to a separating position (35) in which the residual grid assembly of parts (9) is lifted away from the rear-engagement elements (19, 20), wherein the residual grid assembly of parts (9) arranged in the separating position (35) can be subjected to vibrations from a vibration tool (34) in order to separate the at least one workpiece (7) from the residual grid (8).
A separating apparatus for the controlled separation of tubular or bar-shaped workpieces has a pivot unit with a storage frame and a lifter. The storage frame is configured to receive a plurality of tubular or bar-shaped workpieces and the lifter is configured to lift the workpieces stored in the storage frame. A conveyor unit has a conveyor slide which forms an inclined conveyor plane for the tubular or bar-shaped workpieces. The pivot unit and the conveyor unit can be arranged in such a manner with respect to each other that a first pivot axis, about which the storage frame of the pivot unit is pivotable, extends along an upper end of the conveyor slide of the conveyor unit. There is also described a loading system with the separating apparatus and a method for using the separating apparatus.
B65G 47/14 - Dispositifs pour alimenter en objets ou matériaux les transporteurs pour alimenter en objets à partir de piles d'objets en désordre ou de tas d'objets en vrac disposant ou présentant les objets par des moyens mécaniques ou pneumatiques durant l'alimentation
37.
COMPUTER-ASSISTED METHOD FOR ALIGNING A WORKING OPTICAL UNIT, MEASURING ASSEMBLY, AND PRODUCTION SYSTEM
The invention relates to a computer-assisted method (10) for aligning a working optical unit (12) of a laser working machine (14) to a contact joint (16) of two workpieces (18, 20) of a workpiece assembly (22; 22a-c) which are to be joined, comprising the method steps of: a) positioning (24) a sensor (26) of a measuring system (28) at the contact joint (16) in a predefined working position of the working optical unit (12) by aligning the sensor (26) to a predefined working coordinate (36) of the workpiece assembly (22; 22a-c); b) creating (38) at least one first surface profile (40; 40a-c) by scanning a surface (42) of the workpiece assembly (22; 22a-c) in at least one first measurement plane (44; 44a-c) and creating at least one second surface profile (50; 50a-c) by scanning the surface (42) of the workpiece assembly (22; 22a-c) in at least one second measurement plane (52; 52a-c); wherein the second measurement plane (52; 52a-c) is oriented transversely or perpendicularly to the first measurement plane (44; 44a-c); c) ascertaining (54) at least one first characteristic profile change (56) in the at least one first surface profile (40; 40a-c) and at least one second characteristic profile change (58) in the at least one second surface profile (50; 50a-c); d) determining (60) at least one target working coordinate (62) according to the at least one first profile change (56) and the at least one second profile change (58). The invention further relates to a measuring assembly (70; 70a-c) and to a production system (64).
A method for removing a plate-shaped first workpiece from an upper side of a stack of plate-shaped further workpieces in a sequential direction of the further workpieces includes lifting the first workpiece using a gripper, and inserting a separating layer between a raised corner of the first workpiece and a second workpiece from the stack of further workpieces. The second workpiece is adjacent to the first workpiece. The method further includes holding down the stack of further workpieces by the separating layer, removing the first workpiece from the stack of further workpieces, and measuring a thickness of the first workpiece.
The invention relates to a computer-implemented nesting method (100) for generating a nesting plan (46) by nesting workpiece parts (44) with different two-dimensional workpiece geometries on a workpiece sheet (40) with a two-dimensional workpiece sheet geometry, wherein the nesting plan (46) can be used for a laser cutting method (300) in order to cut workpiece parts (44) nested according to the nesting plan (46) out of the workpiece sheet (40). (Figure 4)
G05B 19/4093 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par la programmation de pièce, p. ex. introduction d'une information géométrique dérivée d'un dessin technique, combinaison de cette information avec l'information d'usinage et de matériau pour obtenir une information de commande, appelée programme de pièce, pour la machine à commande numérique [CN]
G05B 19/4061 - Évitement des collisions ou des zones interdites
40.
METHOD AND SYSTEM FOR ENABLING A SAFETY-CRITICAL FUNCTION OF A MACHINE
A method for enabling a safety-critical function of a machine includes monitoring a safety-critical region of the machine using a monitoring system. The monitoring system includes at least one monitoring sensor. The method further includes blocking the safety-critical function upon detecting by the monitoring system a first risk in a first signal of the monitoring sensor, combining the first signal of the monitoring sensor at a first point in time with a first identifier to form a first message, sending the first message by the monitoring system to an enabling unit, receiving by the monitoring system from the enabling unit, at a second point in time, a second message with an enabling signal and the first identifier, verifying the second message by the monitoring system, and enabling the safety-critical function by the monitoring system if the verification of the second message is successful.
G05B 19/406 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par le contrôle ou la sécurité
41.
MACHINE AND METHOD FOR LASER-CUTTING A PLATE-SHAPED WORKPIECE
The invention relates to a machine (14) for laser-cutting a plate-shaped workpiece (18), in particular a metal workpiece, comprising a workpiece support (10) with a plurality of support elements (12) on which the workpiece (18) can be positioned during a laser-cutting process, wherein support elements (12) which directly adjoin one another have a spacing of at least 100 millimeters, in particular a spacing of at least 200 millimeters, in particular a spacing of at least 500 millimeters, in particular a spacing of at least 700 millimeters; and a controller which is designed to control the laser-cutting process such that the parts (20) of the workpiece (18) which have been cut free remain connected to the remaining piece (22) of the workpiece (18) via at least one material web.
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
42.
SORTING METHOD, SORTING DEVICE, AND ARRANGEMENT WITH SORTING DEVICE
A sorting method automatically sorts workpieces produced in a flatbed machine tool according to a scheduled sorting process by a sorting device. The method includes: providing at least one piece of process information created as a result of manufacturing of the workpieces; analyzing the at least one piece of process information, such that it is determined whether there is a sorting disruption; and upon determining that there is the sorting disruption, automatically modifying the sorting process.
The invention relates to a method for cutting out sheet-metal parts. A sheet-metal plate rests on a plurality of support bars. Sheet-metal parts which could tilt during the cutting-out process are determined. Account is taken here of which support bars are actually present. A machining programme for cutting out the sheet-metal parts is changed in order to prevent a cutting head from colliding with tilted sheet-metal parts. For this purpose, interference contours due to the potentially tilting sheet-metal parts are calculated for various positions of the support bars in an area around their target position. Information relating to the calculated interference contours for the various assumed support bar positions is aggregated in a predefined manner. The changed machining programme prevents the cutting head from entering the regions of the interference contours of sheet-metal parts that have already been cut free during execution of the programme.
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
44.
VIBRATORY CONVEYOR FOR THE DIRECTED CONVEYING OF A WORKPIECE
A vibratory conveyor (1) for the directed conveying of a workpiece has a carrier plate (2), which is connected to a vibration generator and is provided with a workpiece support. The workpiece support is formed by support elements (3), which are provided with at least one bearing part (6) on the carrier plate side and are mounted on the carrier plate (2) by means of the bearing part (6). The carrier plate (2) has a bearing holder (7) for the bearing part (6) of the support element(s) (3), which bearing holder forms a hollow body segment (8) and in which the bearing part (6) is guided such that it can be adjusted relative to the carrier plate (2) in different setting positions. In order to variably define the conveying direction of the vibratory conveyor (1), the support elements (3) can be oriented differently in the vertical projection onto a plate main plane (5) of the carrier plate (2) with their ends extending away from the bearing part (6) in the plate main plane (5).
B65G 27/04 - Porte-charges autres que les canaux ou conduits hélicoïdaux ou en spirale
B65G 27/08 - Supports ou pièces de montage pour porte-charges, p. ex. châssis, bases de support, dispositifs à ressort
B65G 27/32 - Utilisation de dispositifs pour créer ou transmettre les secousses avec moyens pour commander la direction, la fréquence ou l'amplitude des vibrations ou des mouvements d'oscillation
45.
SORTING METHOD FOR AN AUTOMATIC SORTING PROCESS, AND SORTING DEVICE
A sorting method automatically sorts workpieces arranged in a removal area of a flatbed machine tool, in particular a laser cutting machine or a punching machine, into a deposit area after a sorting process. The method includes: creating at least one actual image that depicts an actual state of the removal area; and analyzing the actual image to identify process disruptions. A measure to adjust the sorting process is automatically initiated upon identifying a process disruption.
A method of manufacturing includes machining a workpiece with a machine tool. A plurality of size classes are predefined for at least one stress parameter of the machine tool. The method includes, during the machining: A) measuring at least one operating parameter of the machine tool; B) calculating the at least one stress parameter from the at least one measured operating parameter; and C) storing a number of times the at least one stress parameter is within each of the size classes.
The invention relates to a computer-supported method (10) for adjusting machining parameters of a laser machining tool (12) depending on a characteristic joint cross section of a contact joint (36; 36a-c) between two workpieces (30, 32) of a workpiece arrangement (34; 34a-c), which workpieces are to be joined, the method comprising the following method steps: a) positioning (22) a sensor (24) of a measuring system (26) in a predefined target machining position of a machining optical system (28) of the laser machining tool (12) at the contact joint (36; 36a-c) by orienting the sensor (24) to a target machining coordinate (14; 14a-c) along a predefined target machining path (40; 4a-c) of the workpiece arrangement (34; 34a-c); b) creating (44) an arrangement profile (46; 46a-c) of the workpiece arrangement (34; 34a-c) by scanning a surface (48; 48a-c) of the workpiece arrangement (34; 34a-c) in a measuring plane (50) transverse to the target machining path (40; 40a-c); c) determining (52) the characteristic joint cross section of the workpieces (30, 32) of the workpiece arrangement (34; 34a-c) by evaluating the arrangement profile (46; 46a-c); f) adjusting (66) the machining parameters depending on the determined characteristic joint cross section. The invention further relates to a measuring assembly and to a manufacturing system.
ii of the laser beam (1) at the location of the optical element (4) are set, and information about a location-dependent contaminant of the optical element (4) is ascertained from the signal strengths Si of the N individual measurements, where i=1...N and i: measurement index. The method according to the invention enables more information about contaminants on an optical element to be obtained in a simple manner, in particular in order to make possible a higher availability of the laser processing device.
A beam cutting method includes conducting at least one cutting procedure while capturing at least one quality parameter. The at least one cutting procedure is intermittently implemented with an operation not subject to a closed-loop control and intermittently implemented with an operation subject to the closed-loop control. The beam cutting method further includes defining a process window in a parameter space of at least one process parameter, and choosing the at least one process parameter within the process window during the operation not subject to the closed-loop control. The at least one process parameter is allowed to be outside of the process window during the operation subject to the closed-loop control. The beam cutting method further includes adapting the process window based on changes in the at least one process parameter during the operation subject to the closed-loop control and/or changes in the at least one quality parameter.
The invention relates to a method for controlling laser cutting processes of a laser cutting machine using an imaging device for imaging a process zone of a laser cutting machine onto an image capture device, the method comprising the steps of: - capturing the radiation emitted from the process zone from a first and at least one second observation direction, the first and second observation directions being different from one another, and imaging, in a spatially separated manner, the radiation captured from the two observation directions in an image capture device; - based on the images, measuring the vertical position (Z) of elements (11, 12, 13, 14, 15, 22) in the process zone and/or measuring the vertical distance between elements (13, 14; 10, 11; 14, 15) using triangulation; - comparing the measured distances with target values and, in the event of deviations, initiating corrective measures and/or safety measures.
B23K 26/03 - Observation, p. ex. surveillance de la pièce à travailler
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 31/12 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs à la recherche des propriétés, p. ex. de soudabilité, des matériaux
The present invention relates to a computer-implemented method for connecting a first computer (2) and a second computer (3) by means of a first communication connection (4) and/or a second communication connection (5), the first communication connection (4) and the second communication connection (5) allowing the first computer (2) and the second computer (3) to be connected, the first communication connection (4) and the second communication connection (5) each having at least a first connection property (11), wherein at least one application (20) is executed on the first computer (2), the first application (20) having at least two application variants (21, 22) having different requirements for the first connection property (11), the application variants (21, 22) having a prioritization order (40), said method involving the steps of: • a) selecting (7) the application variant (21, 22) having the highest priority (41), • b) checking (8) whether the requirements of the selected application variant (21, 22) are met by either of the communication connections (4, 5), • c) if the requirements of the selected application variant (21, 22) are not met by either of the communication connections (4, 5), the application variant (21, 22) with the next lower priority (42) is selected (9) and the method is repeated from step b), d) connecting (10) the first computer (2) and the second computer (3) by means of the first communication connection (4) and/or the second communication connection (5) such that the requirements of the selected application variant (21, 22) for the first connection property (11) are met.
The invention relates to a nozzle (10) for a laser cutting device, the nozzle comprising a nozzle channel (14) which opens via a nozzle outlet opening (22) into the surroundings and through which a laser beam can pass, the laser beam radiating out of the nozzle (10) in a radiation direction (16) via the nozzle outlet opening (22); at least one cooling channel (30) through which a cooling fluid can flow and which comprises an inflow region (32), a deflection region (34) adjoining the inflow region, and an outflow region (36) adjoining the deflection region (34), cooling fluid flowing in the cooling channel (30) being conducted in the inflow region (32) at least partially in the radiation direction (16), deflected in the deflection region (34) and, thereafter, conducted in the outflow region (36); and a collar (28) which, when correctly mounted, rests against a cutting head, as a result of which the at least one cooling channel (30) in the mounted position can be supplied with cooling fluid from the cutting head.
B23K 26/14 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet
B23K 26/38 - Enlèvement de matière par perçage ou découpage
The invention relates to a method for monitoring a safety area (1), in particular a machine tool (2), wherein the safety area (1) has at least one access area (3) and access to the safety area (1) is only possible via the access area (3), wherein the access area (3) is monitored at least by a camera (4) and a further sensor (5), wherein the camera (4) and the further sensor (5) are connected to a computer system (6), wherein the computer system (6) monitors by means of the further sensor (5) whether an object (7) enters the safety area (1), wherein the camera (4) captures at least one image (8) of the access area (3) when the computer system (6) detects by means of the further sensor (5) that an object (7) is entering the safety area (1), wherein the image (8) recorded by the camera (4) is only evaluated by the computer system (6) after it has been established by means of the further sensor (5) that an object (7) has entered the safety area (1).
F16P 3/12 - Dispositifs de sécurité agissant en conjonction avec la commande ou le fonctionnement d'une machineCommandes exigeant l'emploi simultané de plusieurs parties du corps humain avec dispositifs, p. ex. des éléments sensibles, qui agissent sur la commande ou le fonctionnement de la machine lorsqu'une partie du corps humain se trouve dans ou près de la zone de danger
F16P 3/14 - Dispositifs de sécurité agissant en conjonction avec la commande ou le fonctionnement d'une machineCommandes exigeant l'emploi simultané de plusieurs parties du corps humain avec dispositifs, p. ex. des éléments sensibles, qui agissent sur la commande ou le fonctionnement de la machine lorsqu'une partie du corps humain se trouve dans ou près de la zone de danger les dispositifs étant des cellules photo-électriques ou d'autres dispositifs sensibles sans contact mécanique
54.
LASER CUTTING PROCESS FOR DIVIDING A METAL SHEET INTO AT LEAST ONE WORKPIECE AND A PLURALITY OF RESIDUAL PORTIONS, AND LASER PROCESSING INSTALLATION
A laser cutting process for cutting at least one workpiece out of a metal sheet while leaving a residual part is provided. The process includes arranging the metal sheet on a support of a laser cutting machine, introducing at least one cutting line for separating the at least one workpiece from the residual part using the laser cutting machine, and introducing at least one separating line into the residual part using the laser cutting machine. In a main region of the separating line, the residual part is cut through. In a connecting region of the separating line, at least one joint remains between mutually adjacent portions of the residual part. The joint has a height that is smaller than a thickness of the metal sheet. The process further includes removing the residual part from the support, and separating the portions of the residual part from one another.
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 26/359 - Travail par rayon laser, p. ex. soudage, découpage ou perçage pour le traitement de surface en formant une ligne ou un motif linéaire, p. ex. une ligne en pointillés d'amorce de rupture
In order to monitor the condition of a processed product (11) produced from a starting workpiece (2), in particular a sheet metal, by separating the plate-type starting workpiece (2) as part of a continuous manufacturing process, the condition of the processed product (11) is recorded in the course of the manufacturing process before the separation of the starting workpiece (2), in that an actual state of at least one parameter of the condition of the starting workpiece (2) is detected on the starting workpiece (2) before the separating thereof, and in that a product-forming region of the starting workpiece (2) which forms the processed product (11) after the separation of the starting workpiece (2) is assigned the actual state of the parameter of the condition of the starting workpiece (2) detected for this region as the actual state of the parameter of the condition of the processed product (11). The above mentioned monitoring method is carried out as part of a method for controlling a continuous manufacturing process and as part of a manufacturing process for the separation of plate-type workpieces, in particular sheet metal. A machine assembly (1) for the separation of plate-type workpieces, in particular sheet metal, is designed to carry out the above-mentioned manufacturing process. A computer program comprises control commands for controlling the machine assembly (1) during the execution of the continuous manufacturing process.
G05B 19/418 - Commande totale d'usine, c.-à-d. commande centralisée de plusieurs machines, p. ex. commande numérique directe ou distribuée [DNC], systèmes d'ateliers flexibles [FMS], systèmes de fabrication intégrés [IMS], productique [CIM]
B26D 5/00 - Dispositions pour manœuvrer et commander les machines ou les dispositifs de coupe, découpage, poinçonnage, perforation ou séparation autrement que par coupe
56.
LASER MARKING METHOD FOR PRODUCING A MARKING PATTERN ON A WORKPIECE SURFACE OF A WORKPIECE
The invention relates to a laser marking method for producing a marking pattern (74) on a workpiece surface (72) of a workpiece (70), and a laser-cutting machine (100) for laser-cutting a workpiece (70), wherein a control unit (60) of the laser-cutting machine (100) is designed to carry out the laser marking method using the laser-cutting machine (100).
B23K 26/14 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet
B23K 26/142 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet pour l'enlèvement de résidus
The invention relates to a computer-assisted maintenance method (10) for determining a degree of tool wear (12) on a punching device (14) having at least one punching tool (16) for processing at least one punching order (18), comprising the method steps of: - providing (20) a plurality of process data (22) regarding the punching order (18); - determining (24) a degree of tool wear (12) during the processing of the punching order (18) on the basis of the provided process data (22); - outputting (26) a regrinding notice (28) about regrinding of the punching tool (16) when a predefined maximum degree of tool wear is exceeded. The invention also relates to a manufacturing system (30).
The invention relates to a computer-implemented method (100) for determining cutting-gap widths (B) for a laser-cutting method (200), in which individual workpiece parts (44) are cut out from a workpiece panel (40).
B23K 26/38 - Enlèvement de matière par perçage ou découpage
G05B 19/4097 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par l'utilisation de données de conception pour commander des machines à commande numérique [CN], p. ex. conception et fabrication assistées par ordinateur CFAO
B23K 26/08 - Dispositifs comportant un mouvement relatif entre le faisceau laser et la pièce
B23K 31/00 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux
B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces
59.
METHOD FOR ANALYSING A SOUND, METHOD FOR TRAINING ARTIFICIAL INTELLIGENCE, AND METHOD FOR DETERMINING A CUT BREAK POSITION
The invention relates to a method for analysing a sound which occurs during the laser cutting of a workpiece (1) as a result of a cut break (8), in which a cutting operation (A) is carried out in which the workpiece (1) is cut by means of a laser cutting head (4) which is guided in a cutting device along a cutting line and provides the laser beam (5). In addition, a testing operation (B) is carried out in which the laser cutting head (4) is again guided along at least portions of the cutting line. In addition, a locally resolved sound, recorded during the cutting operation, at a cut break position of the laser cutting head (4) determined during the testing operation (B) is analysed, and based on the analysis, a characteristic (19) of the sound is determined (C), said characteristic being allocated to the cut break (8).
B23K 31/12 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs à la recherche des propriétés, p. ex. de soudabilité, des matériaux
B23K 31/00 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux
B23K 26/14 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet
60.
HINGED CONVEYOR BELT FOR A CONVEYOR DEVICE, AND LASER CUTTING MACHINE
The invention relates to a hinged conveyor belt (10) for a conveyor device, comprising a plurality of hinged plates (16), which are connected together in an articulated manner via respective hinge elements (18) and the upper face (12) of which provides a conveyor surface (14) on which material to be transported in a conveyor direction (20) can be deposited. At least one hinged plate (16) is equipped with a reinforcement element (26) which is designed to stabilize the hinged plate (16) in a width direction (22) that extends perpendicularly to the conveyor direction (20), and/or a sacrificial plate (24) is arranged on at least one hinged plate (16) so as to cover the upper face (12) of the hinged plate (16), the sacrificial plate (24) being designed to limit the thermal expansion of the hinged plate (16) by absorbing the energy input into the paired hinged plate (16).
B65G 17/08 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge avec une surface portante formée par une série de maillons, de plaques ou plates-formes reliés entre eux, p. ex. longitudinaux la surface étant formée par l'élément de traction
B65G 17/40 - Chaînes jouant le rôle de porte-charges
B65G 17/46 - Dispositifs pour tenir ou retenir les charges en position déterminée sur les porte-charges, p. ex. magnétiques
61.
METHOD AND DEVICE FOR AUTOMATICALLY DETERMINING THE VALUE OF A STATE VARIABLE OF A DRIVE TRAIN FOR MOVING A LOAD
The invention relates to a method for automatically determining the value of a state variable of a drive train (2) for moving a load (3), wherein the drive train (2) comprises a drive (4) and a drive element (6) which is driven by the drive (4) and moved with the load (3), and a fixed support element (7), on which the drive element (6) is supported, in order to move the load (3) relative to the support element (7). The method comprises the following method steps: a) accelerating the load (3) by means of the drive (4) by specifying a driving profile (13) with acceleration reversal; b) during the acceleration of the load (3), detecting the ACTUAL acceleration of the drive (4) and detecting the ACTUAL acceleration of the load (3); and c) determining a value of the state variable of the drive train (2) by evaluating the detected ACTUAL accelerations of the drive (4) and the load (3).
G05B 19/404 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par des dispositions de commande pour la compensation, p. ex. pour le jeu, le dépassement, le décalage d'outil, l'usure d'outil, la température, les erreurs de construction de la machine, la charge, l'inertie
62.
METHOD FOR MONITORING MACHINING PROCESSES IN A PROCESSING MACHINE, AND PROCESSING MACHINE
A method for monitoring machining processes in a processing machine which machines workpieces using a machining tool that includes an upper tool and a lower tool. Time-synchronous process signals are registered during each machining process by sensors of the processing machine and transmitted to a control device. The process signals determined as a function of time during the machining processes are converted by a transformation into characteristic curves having a force-distance profile, and recorded independently of time in a force-distance diagram. Wear of the machining tool is determined separately from one another and/or the material of the workpiece, which underlies the at least one machining process, from the profile of the characteristic curves in the force-distance diagram.
G05B 19/4065 - Contrôle du bris, de la vie ou de l'état d'un outil
63.
DEVICE AND METHOD FOR DETERMINING A PROBABLE NUMBER OF REMOVAL ATTEMPTS FOR SUCCESSFUL AUTOMATED REMOVAL OF A COMPONENT CUT OUT OF A METAL SHEET FROM THE METAL SHEET
A method for determining a probable number of removal attempts for successful automated removal of a component cut out of a metal sheet from the metal sheet is provided. The component is to be removed from the metal sheet by an automated removal tool. Multiple removal attempts are possible during the automated removal of the component. The method includes reading in a shape of the component, reading in a parameter of the automated removal tool, and determining the probable number of removal attempts based on the shape of the component and the parameter of the automated removal tool.
G05B 19/418 - Commande totale d'usine, c.-à-d. commande centralisée de plusieurs machines, p. ex. commande numérique directe ou distribuée [DNC], systèmes d'ateliers flexibles [FMS], systèmes de fabrication intégrés [IMS], productique [CIM]
G05B 19/406 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par le contrôle ou la sécurité
64.
METHOD FOR CUTTING AT LEAST ONE WORKPIECE FROM A METAL SHEET
A method for cutting at least one workpiece from a metal sheet includes arranging a metal sheet on a support of a laser cutting machine, and directing a laser beam onto the metal sheet along an outline of the workpiece. The metal sheet is cut through in a main region of the outline. At least one connecting portion, which has a height that is less than a thickness of the metal sheet, remains in at least one connection region of the outline between the workpiece and an adjoining part of the metal sheet. The method further includes removing the at least one workpiece and the adjoining part connected thereto from the support, and separating the at least one workpiece from the adjoining part.
The invention relates to a system (200) comprising a machine (220), in particular a machine tool, having a safety zone (250), a sensor system (260), a control device (210) and a warning signal output apparatus (240), wherein the control device (210) is configured to output a warning signal (235) via the warning signal output apparatus (240) after a start signal (205) is received, to use the sensor system (260) to monitor the safety zone (250) and to start the machine (220) after a predetermined delay time (215), the control device (210) being configured to abort starting of the machine (220) if a hazard is detected by means of the sensor system.
F16P 3/00 - Dispositifs de sécurité agissant en conjonction avec la commande ou le fonctionnement d'une machineCommandes exigeant l'emploi simultané de plusieurs parties du corps humain
F16P 3/14 - Dispositifs de sécurité agissant en conjonction avec la commande ou le fonctionnement d'une machineCommandes exigeant l'emploi simultané de plusieurs parties du corps humain avec dispositifs, p. ex. des éléments sensibles, qui agissent sur la commande ou le fonctionnement de la machine lorsqu'une partie du corps humain se trouve dans ou près de la zone de danger les dispositifs étant des cellules photo-électriques ou d'autres dispositifs sensibles sans contact mécanique
66.
SEQUENTIAL REMOVAL METHOD, AND METHOD FOR REMOVING WORKPIECES IN A PLURALITY OF REMOVAL CYCLES
The invention relates to a method for the sequential removal of at least two workpieces (30, 32) from a production level (42) of a processing machine by way of a removal device (10) having a plurality of holding elements (12, 14), wherein the workpieces (30, 32) are set down after the at least two workpieces (30, 32) have been lifted, wherein a first workpiece (30) is lifted by a first holding element (12) and is held in a first holding level (46) of the removal device (10), and subsequently a second workpiece (32) is lifted by a second holding element (14) and is held in a second holding level (48) of the removal device (10), and wherein the first holding level (46) is located further away from the production level (42) in a vertical direction than the second holding level (48). The invention also relates to a method for removing workpieces (30, 32) in at least two removal cycles, wherein at least one removal cycle (58) includes the method for the sequential removal of workpieces (30, 32).
B21D 43/10 - Avancement du matériau en fonction du mouvement de la matrice ou de l'outil au moyen d'un élément mécanique coopérant avec le matériau au moyen de pinces ou de griffes
67.
METHOD AND DEVICE FOR REMOVING AT LEAST ONE CUT WORKPIECE PART FROM A PLANAR WORKPIECE
The invention relates to a method for removing at least one cut workpiece part (12) from a planar workpiece (14), in which method a press-out device (34) is moved from above and a counter-holder (37) having a contact pressure plate (39) is moved from below to abut the workpiece part (12) to be pressed out and, thereafter, a common lowering movement of the press-out device (34) and of the counter-holder (37), with the workpiece part (12) being clamped, relative to the plane of the workpiece support (28) is actuated until the workpiece part (12) is positioned beneath the plane of the workpiece support (28), and the contact pressure plate (39) of the counter-holder (37), in the lowered position relative to the workpiece support plane (28), is transferred from a horizontal position for pressing out the workpiece part (12) into an inclined position for discharging the workpiece part (12).
B26D 7/18 - Moyens d'enlèvement des matériaux découpés ou des chutes
B21D 45/00 - Dispositifs d'éjection ou d'arrachage prévus dans les machines ou outils traités dans la présente sous-classe
B23Q 7/00 - Agencements pour la manipulation des pièces, spécialement combinés aux machines-outils ou disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines, p. ex. pour le transport, le chargement, le positionnement, le déchargement, le triage
B26D 7/32 - Moyens pour exécuter d'autres opérations en combinaison avec la coupe pour transporter ou empiler le produit coupé
The invention relates to a cooling method (10) for controlling the temperature of a cooling device (16) taking into account heating at least one machine component (12) of a process machine (14) during operation of the process machine (14), comprising the method steps of: a. ascertaining (24) an expected thermal energy acting on the machine component (12) within a temporal processing part (22a-h) of a control program (18) that controls operation of the process machine (14); wherein the expected thermal energy is ascertained on the basis of a processing power (26a-d) for the machine component (12) that is provided within the temporal processing part (22a-h); b. determining (28) a required heat dissipating ability (30) of the cooling device (16) for dissipating the expected thermal energy; c. preconditioning (32) the cooling device (16) in advance in order to provide the required heat dissipating ability (30) until the expected thermal energy acts on the machine component (12). The invention also relates to a production system (38).
G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
G05B 19/404 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par des dispositions de commande pour la compensation, p. ex. pour le jeu, le dépassement, le décalage d'outil, l'usure d'outil, la température, les erreurs de construction de la machine, la charge, l'inertie
H01S 5/024 - Dispositions pour la gestion thermique
total1231total1total2total2totaltotal3totaltotal. The invention additionally relates to a laser cutting machine (10), to a computer program for the computer-aided implementation of the method, and to a workpiece (14) with special edge properties.
The invention relates to a laser welding apparatus (10) for welding two joining partners (50) along a welding joint, the laser welding apparatus (10) comprising: an optical monitoring device (12), which can be aligned with an observation region (X) around the welding joint in order to detect a progress of the welding joint; a laser welding head (14) that is designed to direct a laser processing beam (B) onto at least one of the joining partners (50), by means of a welding optics on the basis of the detected progress of the welding joint along the welding joint; and a supply device (20), which is designed to provide a welding additive and/or a process gas, and which is arranged on the laser welding head (14) such that the welding additive and/or the process gas can be supplied to a welding process from a supply direction following the laser beam (B). The invention further relates to a supply device (20) for use in the laser welding apparatus (10), and a method for welding two joining partners (50).
B23K 26/144 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet l'écoulement de fluide contenant des particules, p. ex. de la poudre
B23K 26/14 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet
B23K 26/242 - Soudure en angle, c.-à-d. soudure de section essentiellement triangulaire joignant deux parties
B23K 26/244 - Soudage de joints du type à recouvrement
B23K 26/26 - Soudage de joints continus rectilignes
UNLOADING METHOD AND MECHANICAL UNLOADING ASSEMBLY FOR UNLOADING A PROCESSED PRODUCT OF A WORKPIECE PROCESSING METHOD, MANUFACTURING METHOD, AND MECHANICAL MANUFACTURING ASSEMBLY
As part of an unloading method for unloading a processed product of a workpiece processing method, a numerical unloading control (14) of an unloading device (9) is calibrated prior to unloading a processed product from a preparation device (8). For this purpose, a coordinate system of the numerical unloading control (14) is adjusted using a reference object (15) if required, said reference object being provided with a marking (16) which maps a coordinate system of the preparation device (8). After the numerical unloading control (14) is calibrated, the position and the orientation of the processed product prepared for unloading in the adjusted coordinate system of the numerical unloading control (14) is derived from the position and the orientation of the processed product prepared for unloading in the coordinate system of the preparation device (8). The aforementioned unloading method is used as part of a manufacturing method. A mechanical unloading assembly and a mechanical manufacturing assembly are designed to carry out the aforementioned method.
G05B 19/401 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par des dispositions de commande pour la mesure, p. ex. étalonnage et initialisation, mesure de la pièce à usiner à des fins d'usinage
B23K 26/03 - Observation, p. ex. surveillance de la pièce à travailler
72.
METHOD FOR MACHINING A METAL WORKPIECE, AND LASER DEVICE
The invention relates to a method in which a machining beam (18) is directed onto a workpiece (W) and is moved relative to the workpiece (W) in a cutting direction (24). The machining beam (18) comprises a first laser beam (20), which has a first intensity, for cutting the workpiece (W) and a second laser beam (22), which is incident on the surface (26) of the workpiece (W) next to the first laser beam (20) and which has a second lower intensity, whereby a rounded cut edge (30) is produced by means of the second laser beam (22). The first intensity of the first laser beam (20) is reduced in a stabilization region (38) of the workpiece (W) in comparison to at least one workpiece (W) cutting region (40) adjoining the stabilization region (38) in order to produce a material web (36) of the metal workpiece (W), whereby the workpiece (W) is maximally cut over a sub-region of the workpiece thickness in the stabilization region (38).
A mechanical arrangement (1) for processing a sheet-metal strip (2) unwound from a coil (3) has a separating point (14), formed by a separating device (13), between the coil (3) and a processing device (11), as seen in a feed direction (5). As soon as it has been established by means of a comparison device (18) that a current strip length with which the sheet-metal strip (2) has passed the separating point (14) in the direction of the processing device (11) coincides with a defined processing length of the sheet-metal strip (2) over which the sheet-metal strip (2) is to be processed by the processing device (11), the separating device (13) is actuated and the sheet-metal strip (2) is thereby separated at the separating point (14).
B21C 51/00 - Dispositifs de mesure, de calibrage, d'indication, de comptage ou de marquage, spécialement conçus pour être utilisés dans la production ou la manipulation des matériaux concernés par les sous-classes
B21D 43/28 - Association de dispositifs de coupe avec des dispositifs d'alimentation, d'alignement ou de stockage
B23K 26/08 - Dispositifs comportant un mouvement relatif entre le faisceau laser et la pièce
74.
UNLOADING METHOD AND MECHANICAL UNLOADING ARRANGEMENT FOR UNLOADING A MACHINING PRODUCT OF A WORKPIECE MACHINING OPERATION, PRODUCTION METHOD AND MECHANICAL PRODUCTION ARRANGEMENT
In the context of a mechanical unloading method for unloading a machining product (11) of a workpiece machining operation, in particular of a sheet metal machining operation, from a product support (7), a reference point (19) is defined in an unloading region (3) of a mechanical unloading arrangement, from which reference point an unloading region limit (14) has a limit distance (DL). A reference length (LR), which is at least equally as large as the actual product length, is defined for the machining product (11). A distance (D) existing between the reference point (19) and the front end point, situated towards the unloading region limit (14), of the reference length (LR) of the machining product (11) is compared with the limit distance (DL) from the reference point (19). The unloading method is then continued only under the condition that the distance (D) between the reference point (19) and the front end point of the reference length (LR) of the machining product (11) is less than the limit distance (DL) from the reference point (19). The above unloading method is used in the context of a mechanical production method. A mechanical unloading arrangement and a mechanical production arrangement are designed to carry out the aforementioned methods.
B65G 61/00 - Utilisation d'appareils de prise ou de transfert, ou de manipulateurs, pour empiler ou désempiler des objets, non prévus ailleurs
G05B 19/418 - Commande totale d'usine, c.-à-d. commande centralisée de plusieurs machines, p. ex. commande numérique directe ou distribuée [DNC], systèmes d'ateliers flexibles [FMS], systèmes de fabrication intégrés [IMS], productique [CIM]
B23K 26/00 - Travail par rayon laser, p. ex. soudage, découpage ou perçage
75.
METHOD FOR PRODUCING A CONNECTING WEB WITH A REDUCED THICKNESS WHILE CUTTING A WORKPIECE PART FROM A PLATE-SHAPED WORKPIECE, AND CORRESPONDING CONTROL PROGRAM PRODUCT
The invention relates to a method for producing at least one connecting web (21) with a reduced thickness while cutting a workpiece part (19) from a plate-shaped workpiece (16). The cut workpiece part (19) remains attached to a remaining grid (26) of the workpiece (16) by means of the connecting web (21). According to the invention, the method has the following steps: - producing the at least one connecting web (21) in the workpiece (16) prior to cutting the workpiece part (19); - squeezing the connecting web (21) at least on a web section (23) which adjoins the workpiece part (19), which is still to be cut, in the thickness direction (24) of the workpiece (16) in order to set back the squeezed connecting web (21') relative to at least one of the two plate sides (16a, 16b) of the workpiece (16) in the direction of the workpiece center, wherein a workpiece (16) edge (25a, 25b) formed by the set-back of the squeezed connecting web (21') forms an edge of the workpiece part (19) which is still to be cut; and - cutting a separating gap (22), which corresponds to the contour of the workpiece part (19) and which is interrupted along the edge (25a, 25b) formed by the set-back of the squeezed connecting web (21'), into the workpiece (16), whereby the workpiece part (19) remains attached to the remaining grid (26) of the workpiece (16) by means of the squeezed connecting web (21').
The invention relates to an imaging device (12) for imaging a process zone (14) of a laser machine tool (10), said imaging device comprising an image sensor (28) and an optical imaging system (30) located between the process zone (14) and the image sensor (28). The optical imaging system (30) has: a system axis (32) extending between the image sensor (28) and the process zone (14); a first aperture (34) spaced radially from the system axis (32); and a second aperture (36). Light beams (40, 44) emitted from the process zone (14) at different imaging angles (38, 42) are delimited by the apertures (34, 36). The optical imaging system (30) is designed to image the first light beams (40) spatially separately from the second light beams (44). The invention also relates to: a laser machine tool (10) comprising such an imaging device (12); and a method for determining process variables using such an imaging device (12).
B23K 26/03 - Observation, p. ex. surveillance de la pièce à travailler
B23K 26/06 - Mise en forme du faisceau laser, p. ex. à l’aide de masques ou de foyers multiples
B23K 26/066 - Mise en forme du faisceau laser, p. ex. à l’aide de masques ou de foyers multiples au moyen d'éléments optiques, p. ex. lentilles, miroirs ou prismes par utilisation de masques
B23K 26/38 - Enlèvement de matière par perçage ou découpage
77.
COMPUTER-SUPPORTED MANUFACTURING METHOD, AND MANUFACTURING SYSTEM
The invention relates to a computer-supported manufacturing method (10) for manufacturing workpieces (12) from a workpiece blank (14) according to a manufacturing plan (16, 16a) using a machine tool (18), in particular a flat-bed machine tool, comprising a processing device (20). The method has the steps of: a) at least partly transmitting (22) the manufacturing plan (16, 16a) by means of an order control device (24); b) manufacturing (26) at least one workpiece (12) from the workpiece blank (14) according to the manufacturing plan (16, 16a), c) determining the manufacturing progress of the processing device (20) during the manufacturing of the workpieces (12) by means of the order control device (24); and d) changing the manufacturing plan (16, 16a) on the basis of the manufacturing progress during the manufacturing of the workpieces (12) by means of the order control device (24). The invention additionally relates to a manufacturing system (32) comprising a processing device (20) and an order control device (24) for carrying out the computer-supported manufacturing method (10).
The invention relates to a computer-supported manufacturing method (10) for manufacturing workpieces (12, 12a, 12b) from a workpiece blank (14, 14a, 14b) according to a manufacturing plan (16, 16a, 16b) using a machine tool (18), in particular a flat-bed machine tool, comprising a processing device (20). The method has the steps of: a) manufacturing (22) at least one workpiece (12, 12a, 12b) using the machine tool (18); b) identifying (24) a defective workpiece (26); c) reading (28) manufacturing information relating to the identified defective workpiece (26) by means of an order control device (30); d) ascertaining (32) a workpiece blank (34) which is suitable for remanufacturing the faulty workpiece (26) in a planned manufacturing sequence (36) on the basis of the read manufacturing information by means of the order control device (30); and e) arranging (38) the workpiece (40) to be remanufactured on the suitable workpiece blank (34) by means of the order control device (30). The invention additionally relates to a manufacturing system (42) comprising a processing device (20) and an order control device (30) for carrying out the manufacturing method (10).
The invention relates to a method for laser cutting an, in particular plate-like, workpiece (6), along a trajectory (K) by means of a laser beam (5), at least one nano-joint (14a, 14b) having a height (d) less than the workpiece thickness (D) and being formed on a portion of the trajectory (K) that equals the length (L) of the nano-joint (14a, 14b), characterised in that in order to form the nano-joint (14a, 14b), a) a relative movement of the workpiece (6) and a laser beam (5) is stopped and at least one cutting parameter is changed from a first parameter value suitable for cutting through the workpiece (6) to a second parameter value which is not sufficient for cutting through the workpiece (6), or b) the gas pressure and/or the focus position is changed from a first parameter value suitable for cutting through the workpiece (6) to a second parameter value which is not sufficient for cutting through the workpiece (6).
B23K 26/08 - Dispositifs comportant un mouvement relatif entre le faisceau laser et la pièce
B23K 26/14 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet
B23K 26/38 - Enlèvement de matière par perçage ou découpage
The invention relates to a method (34) for monitoring the manufacture of a component (14) using a machine tool (12), wherein a plurality of cameras (20a, b) cover different fields of view (22a, b). An algorithm (26) can create a ranking of the relevance of images from the cameras (20a, b) and display or emphasise only the most relevant image or images on a monitor (28). The algorithm (26) can assign a higher relevance to images that: a) depict a known machine tool part that is mentioned in a status or error message (30); b) have a high optical flow; and/or c) depict an identified machine tool part that is moving. In the event of c), images can be successively assigned higher relevance if an identified machine tool part moves from one field of view (22a, b) belonging to said image to the next. Images assigned lower relevance can be deleted or displayed - and/or saved - at a reduced size. The algorithm (26) can take the form of artificial intelligence. The invention also relates to a device (10) for carrying out such a method (34).
G05B 19/406 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par le contrôle ou la sécurité
G05B 19/418 - Commande totale d'usine, c.-à-d. commande centralisée de plusieurs machines, p. ex. commande numérique directe ou distribuée [DNC], systèmes d'ateliers flexibles [FMS], systèmes de fabrication intégrés [IMS], productique [CIM]
81.
PUNCH-LASER COMBINATION METHOD AND PUNCH-LASER COMBINATION MACHINE FOR MACHINING A WORKPIECE, COMPUTER PROGRAM, AND COMPUTER-READABLE STORAGE MEDIUM
The invention relates to a punch-laser combination method for machining a workpiece (2). A final hole (18) which passes through the workpiece (2) is formed using a punching process, a depression-generating line (20) which belongs to the final hole (18) is specified, and a depression (19) which opens into the final hole (18) is formed by means of a depression-generating laser process along the depression-generating line (20) in that the laser beam head (7) is operated in a melting mode and is guided along the depression-generating line (20).
The invention relates to a method (100) for the laser cutting of workpiece parts (44) from at least one workpiece (40) using a laser beam (1) of a laser cutting machine (10), wherein the method (100) has the following steps (102, 108, 110): - ascertaining at least one material quality parameter (2) of the material quality of the at least one workpiece (40), - determining at least one laser cutting parameter (2) for the laser cutting of the workpiece parts (44), said at least one laser cutting parameter (5) being determined on the basis of the at least one ascertained material quality parameter (2), and - laser cutting the workpiece parts (44) from the at least one workpiece (40) using the laser beam (1) of the laser cutting machine (10), the at least one determined laser cutting parameter (5) being used for the laser cutting process.
B23K 26/03 - Observation, p. ex. surveillance de la pièce à travailler
B23K 26/04 - Alignement, pointage ou focalisation automatique du faisceau laser, p. ex. en utilisant la lumière rétrodiffusée
B23K 26/38 - Enlèvement de matière par perçage ou découpage
B23K 31/12 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs à la recherche des propriétés, p. ex. de soudabilité, des matériaux
84.
METHOD AND SYSTEM FOR ADJUSTING A CONTROL SCHEME FOR CONTROLLING A LASER CUTTING PROCESS OF A LASER CUTTING PLANT
The invention relates to a method (100) and a system (60) for adjusting a control scheme (5) for controlling a laser cutting process of a laser cutting plant (50), in which workpiece parts (44) are cut from a workpiece (40). The invention also relates to a computer program product associated with the method (100) and to a laser cutting plant (50) having at least one laser cutting machine (10) for cutting workpiece parts (44) from a workpiece (40), at least one removal device (30) for removing the workpiece parts (44) that have been cut from the workpiece (40), and the system (60).
G05B 19/406 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par le contrôle ou la sécurité
85.
METHOD AND SYSTEM FOR GENERATING A PRODUCTION PLAN FOR AN ORDER TO PRODUCE COMPONENTS USING AT LEAST ONE PRODUCTION FACILITY
The invention relates to a method (100) and a system (20) for generating a production plan (7) for an order to produce components using at least one production facility (12).
G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projetsPlanification d’entreprise ou d’organisationModélisation d’entreprise ou d’organisation
G05B 19/418 - Commande totale d'usine, c.-à-d. commande centralisée de plusieurs machines, p. ex. commande numérique directe ou distribuée [DNC], systèmes d'ateliers flexibles [FMS], systèmes de fabrication intégrés [IMS], productique [CIM]
The invention relates to a laser machining head comprising a scanner unit which is arranged in the beam path of the laser machining head and which has a scanner mirror that is tiltably mounted about two rotational axes. The scanner unit is arranged in the laser machining head such that a laser beam which runs through the beam path is incident on the scanner mirror at an angle of incidence of maximally 30°, preferably maximally 22.5°, more preferably maximally 15°, relative to a surface normal of the scanner mirror. The invention additionally relates to a scanner unit for such a laser machining head, to a laser machining system comprising the laser machining head, and to a laser cutting method.
B23K 26/06 - Mise en forme du faisceau laser, p. ex. à l’aide de masques ou de foyers multiples
B23K 26/082 - Systèmes de balayage, c.-à-d. des dispositifs comportant un mouvement relatif entre le faisceau laser et la tête du laser
B23K 26/14 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet
B23K 26/38 - Enlèvement de matière par perçage ou découpage
G02B 7/182 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour prismesMontures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour miroirs pour miroirs
87.
LASER MACHINING HEAD WITH A SCANNER UNIT OR A SCANNER ASSEMBLY
The invention relates to a laser machining head (20) with a scanner unit which comprises: a mirror unit with a scanner mirror (242), said mirror unit having a groove (2432) which runs in the circumferential direction; a frame (241) which can be secured in a machining head (20) of the laser machining system (10), said mirror unit being movably mounted in the frame (241); and an annular elastic seal element (245), wherein the seal element (245) is secured to the frame (241) on the outer circumference of the seal element and engages with the circumferential groove (2432) on the inner circumference of the seal element. The invention additionally relates to a seal element (245) for a scanner unit and to an additional laser machining head with a scanner assembly (24).
The invention relates to a method for monitoring a process of cutting a workpiece (12) with a laser beam (14), wherein the workpiece (12) is cut through from a top side (20a) to its underside (20b) located on the opposite side from the top side (20a) in the beam direction of the laser beam (14). One part (30a) of the laser beam (14) is absorbed by a cutting front (14) in the workpiece (12), while another part (30b) of the laser beam (14) passes through a kerf (28) and the underside (20b) of the workpiece (12), wherein the kerf (28) is located behind the cutting front (28) in a feed direction (26) of the laser beam (14). In the scope of the method, a characteristic value for the power of that part (30b) of the laser beam (14) that passes through the kerf (28) is determined.
The invention relates to a method for selecting parts to be placed on sheets using a computer, comprising the steps: I) Encoding the geometric features of each part in a respective geometric information vector, where for each part one of the geometric features is the projected area of the part in plan view; II) Generating a graph, where the geometric features of each part are assigned to one node of the graph at a time, where all nodes are connected in pairs by one edge at a time, wherein the method includes the following further steps in an inference phase: XIV) Estimating parameters GCI for all pairs of parts, where each GCI is a measure of how well that pair of parts can be placed on the same sheet; XV) Assigning each GCI to a respective edge of the graph, the respective edge passing through the two nodes representing the parts to which the respective GCI is assigned; XVI) Determining the weights of the edges of the graph, where each edge weight depends on the GCI associated with the edge; XVII) Assigning the parts to a respective sheet by determining subgraphs through the nodes of the graph by an optimization method, wherein the nodes through which a respective subgraph passes represent the parts to be placed on a sheet, wherein the sum of the projected areas of the parts on each subgraph is at most equal to the respective sheet size.
G05B 19/4097 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par l'utilisation de données de conception pour commander des machines à commande numérique [CN], p. ex. conception et fabrication assistées par ordinateur CFAO
90.
COMPUTER-SUPPORTED MANUFACTURING METHOD, MANUFACTURING SYSTEM, COMPUTER PROGRAM AND COMPUTER-READABLE MEDIUM
The invention relates to a computer-supported manufacturing method (34) for manufacturing at least one workpiece (22; 22a; 22b) according to a manufacturing order (20) using a processing device (12) and for removing the finished workpiece (22; 22a; 22b) from the processing device (12) using a removal device (14) having multiple suction elements (26), comprising the steps of: determining a suction element status for multiple suction elements (26); determining suction elements (26) that can be used to remove the workpiece (22; 22a; 22b) on the basis of a provided workpiece geometry of the workpiece (22; 22a; 22b) to be removed; predicting a chance of removal success for the workpiece (22; 22a; 22b) according to the suction element status of the suction elements (26) that can be used for removal; wherein the manufacturing order (20) is carried out by the processing device (12), if a successful removal of the finished workpiece (22; 22a; 22b) can be carried out by the removal device (14). The invention also relates to a manufacturing system (10), a computer program and a computer-readable medium.
G05B 19/406 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par le contrôle ou la sécurité
B25J 15/06 - Têtes de préhension avec moyens de retenue magnétiques ou fonctionnant par succion
91.
METHOD AND DEVICE FOR POSITIONING AND METHOD AND DEVICE FOR MACHINING A FLAT WORKPIECE, IN PARTICULAR A SHEET
During a positioning method to position a flat workpiece (2) to be machined, in particular a sheet to be machined, for machining by means of a machining device (12), the workpiece (2) is moved, by means of a controlled positioning drive (8), with a positioning movement in a feed direction (7) to a machining position. During the positioning movement, the workpiece (2) is supported on a workpiece support (17) which, during the positioning movement of the workpiece (2), is moved, by means of a controlled support drive (19), with a support movement in the feed direction (7). To avoid a slip between the workpiece (2) and the workpiece support (17) during the positioning movement of the workpiece (2), the support drive (19) and the positioning drive (8) are synchronised prior to the positioning movement of the workpiece (2) in that a control (20) of the support drive (19) and a control (11) of the positioning drive (8) are calibrated. The aforementioned positioning method is part of a machining method for machining a flat workpiece (2), in particular a sheet. A positioning device and a mechanical arrangement (1) are designed to carry out the aforementioned positioning method and the aforementioned machining method.
G05B 19/401 - Commande numérique [CN], c.-à-d. machines fonctionnant automatiquement, en particulier machines-outils, p. ex. dans un milieu de fabrication industriel, afin d'effectuer un positionnement, un mouvement ou des actions coordonnées au moyen de données d'un programme sous forme numérique caractérisée par des dispositions de commande pour la mesure, p. ex. étalonnage et initialisation, mesure de la pièce à usiner à des fins d'usinage
92.
APPARATUS AND METHOD FOR POLARIZING A LASER BEAM HAVING AN UNDEFINED POLARIZATION STATE AND LASER MACHINING SYSTEM
An apparatus for polarizing an input laser beam having an undefined polarization state includes a beam splitting device for splitting the input laser beam into a first component beam having a first defined polarization state and a second component beam having a second defined polarization state. A polarization changing element changes the polarization state of one of the polarized component beams, with the result that both component beams have the same defined polarization state. A focusing element is configured to input couple both component beams into a light-guiding element in order to combine the component beams to form an output laser beam while maintaining the defined polarization state. A laser machining system including the apparatus and a method for polarizing an unpolarized laser beam, are also provided.
B23K 26/073 - Détermination de la configuration du spot laser
B23K 26/03 - Observation, p. ex. surveillance de la pièce à travailler
B23K 26/064 - Mise en forme du faisceau laser, p. ex. à l’aide de masques ou de foyers multiples au moyen d'éléments optiques, p. ex. lentilles, miroirs ou prismes
The invention relates to a method for cutting metal workpieces, which are more particularly flat, by means of a laser beam, wherein a cyclically repeated secondary movement is superimposed on a primary advancement movement (20) of the laser beam with respect to a workpiece surface, wherein the secondary movement generates a two-dimensional movement pattern (28-34) of the laser beam on the workpiece surface, and wherein the movement pattern (28-34) has, in a front region (38) seen in the direction of the primary advancement movement (20), a larger expansion (36) transverse to the primary advancement movement (20) than in a rear region (42) of the movement pattern (28-34) seen in the direction of the primary advancement movement (20). The invention further relates to a laser cutting system for performing the method.
The invention provides a method for cutting workpieces (10) by means of a laser beam, in which a primary advancement movement (20) of the laser beam projected onto the workpiece surface (12) is superimposed by a periodically recurring secondary movement (22) of the laser beam; wherein the secondary movement (22) comprises at least two more particularly straight-line path sections (40) that point in different directions; wherein furthermore, for the secondary movement (22) a path speed that is constant over the entire distance of the secondary movement (22) or over at least one of the path sections (40) is specified; and wherein the path speed is specified throttled such that an actual path speed of the secondary movement substantially corresponds to the specified path speed and therefore the energy input from the laser beam into the workpiece (20) is substantially constant over the entire distance of the secondary movement (22) or over at least one of the path sections (40).
A method for assisting in distinguishing between sheet-metal workpieces (1), wherein an item of geometric workpiece information (2) is available for each of a multiplicity of the workpieces (1) in a memory (3), wherein at least a first item of workpiece information (21) relating to a first workpiece (11) is selected (110) and a second item of workpiece information (22) relating to a second workpiece (12) is selected (120), wherein the selected items of workpiece information (21, 22) are retrieved from the memory (3) by a computing unit (5) and compared with one another (130), wherein the computing unit (5) determines (140) at least one difference (6) between the selected items of workpiece information (21, 22), wherein the items of workpiece information (21, 22) each contain a drawing (4) of the respective workpiece (11, 12) or a drawing (4) is created from the items of workpiece information (21, 22), wherein the drawings (4) of the selected items of workpiece information (21, 22) are graphically output (150) by means of an output unit (7) and the difference (6) is highlighted in at least one output drawing (4).
G06V 10/98 - Détection ou correction d’erreurs, p. ex. en effectuant une deuxième exploration du motif ou par intervention humaineÉvaluation de la qualité des motifs acquis
The invention relates to a machine management method (16) for performing planned activities (68) and unplanned activities (80) on a machine (12), wherein workpieces (26) are manufactured and sorted according to a predetermined schedule (28), wherein a manufacturing time for the workpieces (26) is predetermined by a machine management system (14) on the basis of manufacturing process data of the machining apparatus (18), and a removal time for sorting the workpieces (26) is predetermined by the machine management system (14) on the basis of removal process data, and wherein the schedule (28) for the planned activities (68) is changed by the machine management system (14) on the basis of a comparison of the manufacturing time with the removal time and is transferred to a controller (46, 48) of the machine (12). The invention further relates to a machine arrangement (10) configured to carry out the machine management method (16).
The invention relates to a method for changing processing parameter values while a steel processing method is being carried out, the method comprising the steps of: changing, preferably manually changing, an advancement speed of the steel processing method in relation to a predefined advancement speed; and changing the value of a second processing parameter of the steel processing method in relation to a value predefined for the second processing parameter and according to the change of the advancement speed. The invention also relates to a steel processing system and a computer program product for implementing the method.
B23K 26/08 - Dispositifs comportant un mouvement relatif entre le faisceau laser et la pièce
B23K 26/38 - Enlèvement de matière par perçage ou découpage
98.
METHOD FOR INSERTING A LASER BEAM OF A LASER CUTTING MACHINE INTO A PLATE-LIKE WORKPIECE FOR CUTTING OUT A WORKPIECE PART FROM THE WORKPIECE ALONG A PREDETERMINED CUTTING CONTOUR ON THE WORKPIECE
The invention relates to a method (100) for inserting a laser beam (40) of a laser cutting machine (10) into a plate-like workpiece (30) for cutting out a workpiece part (32) from the workpiece (30) along a predetermined cutting contour (42) on the workpiece (30), wherein the workpiece (30) rests on a workpiece support (20) having a plurality of supporting regions (24) and the relative positions of the supporting regions (24) in relation to the workpiece (30) are known, wherein predefined surface regions (50) on the workpiece (30) are assigned to the supporting regions (24) on the basis of the known relative positions, and a damage-free insertion point (44, 46) for inserting the laser beam (40) into the workpiece (30) for cutting out the workpiece part (32) is selected, the position of which insertion point lies outside the predefined surface regions (50) such that the laser beam (40) does not pierce any of the supporting regions (24).
A device for transporting workpieces includes a manufacturing execution system (MES), a driverless transport vehicle controllable indirectly or directly by the MES, a workpiece holder for receiving a workpiece, and a docking station for receiving the workpiece holder. The docking station is reachable by the driverless transport vehicle. The device further includes a position sensor connected indirectly or directly to the MES. The position sensor is configured for detecting a position of the workpiece holder at the docking station.
B23Q 7/14 - Agencements pour la manipulation des pièces, spécialement combinés aux machines-outils ou disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines, p. ex. pour le transport, le chargement, le positionnement, le déchargement, le triage coordonnés pour permettre un travail en chaîne
100.
METHOD FOR IDENTIFYING A DISRUPTION DURING A MACHINING PROCESS, AND MACHINING APPARATUS
A method for identifying disruptions during a machining process, more particularly during a cutting process, includes: machining, more particularly cutting, a workpiece while moving a machining tool, in particular a laser machining head, and the workpiece relative to one another, recording an image of a region on the workpiece to be monitored, the region to be monitored being an interaction region of the machining tool with the workpiece, and evaluating the image of the region to be monitored. For the purpose of identifying at least one disruption of the machining process, the presence or the lack of a local intensity drop in an intensity profile within the interaction region is detected, during the evaluation of the image, in an advancement direction of the machining process. There is also described an associated machining apparatus.
B23K 31/12 - Procédés relevant de la présente sous-classe, spécialement adaptés à des objets ou des buts particuliers, mais non couverts par un seul des groupes principaux relatifs à la recherche des propriétés, p. ex. de soudabilité, des matériaux
B23K 26/38 - Enlèvement de matière par perçage ou découpage
brevets
