A rotation speed monitoring device includes a second MCU that outputs a second count value that is counter-cleared by a Z-phase signal. The second MCU includes: a phase counting counter that counts an A-phase signal and a B-phase signal and outputs the counted result as a base count value; a first capture circuit that latches the base count value at a capture period and outputs the latched value as a position count value; a second capture circuit that latches the base count value at an active edge of the Z-phase signal and outputs the latched value as a reference count value; and a second counter calculation unit that calculates the second count value based on the position count value and the reference count value.
G01P 3/481 - Dispositifs caractérisés par l'utilisation de moyens électriques ou magnétiques pour mesurer la vitesse angulaire en mesurant la fréquence du courant ou de la tension engendrés de signaux ayant la forme d'impulsions
A PWM control apparatus includes a normalization counter. The normalization counter counts up or down by an average of 2{circumflex over ( )}N/Cmax between 0 and 2{circumflex over ( )}N for each input of a clock signal. Here, N is a natural number, and Cmax is a value changing according to a carrier period. The PWM control apparatus further includes a comparator configured to compare a normalization count value of the normalization counter with a comparison value for determining a duty ratio of a PWM signal and output a comparison result as a PWM signal.
H02P 27/08 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions
A cycle time calculation apparatus includes: a plurality of resource process units, each provided in correspondence to one of a plurality of work resources, wherein each of the plurality of resource process units virtually judges progress of a process in a corresponding work resource; a process control unit which dynamically determines timings to start operations of the plurality of work resources, and sends a command to start a process to the resource process unit in accordance with a result of the determination; a cumulative management unit which measures a time in which a resource state of at least one of the resource process units is in-operation; and a cycle time calculation unit which calculates a cycle time, which is a time required for actually executing machining in accordance with the sequence program, based on a result of the measurement by the cumulative management unit.
G05B 19/4155 - 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 déroulement du programme, c.-à-d. le déroulement d'un programme de pièce ou le déroulement d'une fonction machine, p. ex. choix d'un programme
A tool management system includes a tool management device and an information input and output terminal. The tool management device manages an assembled tool including a tool holder and a cutting tool mounted on the tool holder. The information input and output terminal is configured to input and output data to/from the tool management device. The tool management device includes a tool information database and a data retrieval unit. The data retrieval unit retrieves the assembled tool ID including the input tool holder ID to make information relating to the same assembled tool referable when the assembled tool determination unit has determined that the tool holder is holding the cutting tool, and retrieves the input tool holder ID to make information relating to the same tool holder referable when the assembled tool determination unit has determined that the tool holder is not holding the cutting tool.
B23Q 15/28 - Commande automatique ou régulation du mouvement d'avance, de la vitesse de coupe ou de la position tant de l'outil que de la pièce avant ou après l'action de l'outil sur la pièce avec compensation de l'usure de l'outil
A diagnostic device includes an error transition recording unit, an error transition input unit, an error cause recording unit, a cause diagnosis unit, and a display portion. A plurality of types of error transition information with different temporal transitions of the machining error caused by repeating the machining are recorded in the error transition recording unit. The error transition input unit selects one or a plurality of pieces of error transition information from the plurality of types of error transition information. A plurality of types of the causes are each recorded in association with the error transition information in the error cause recording unit. The cause diagnosis unit refers to the error cause recording unit and identifies the causes based on the error transition information selected by the error transition input unit. The display portion displays the causes identified by the cause diagnosis unit.
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
6.
METHOD AND DEVICE FOR ESTIMATING CAUSE OF BEARING FAILURE
A method for estimating a cause of a bearing failure includes: calculating a magnitude of a vibration with respect to a frequency calculating a vibration mean value by removing an influence of the rotation speed and calculating a mean value of the magnitudes of the vibrations having a same ratio of the frequency with respect to a rotational frequency from a result of the frequency analysis at the plurality of rotation speeds obtained in the calculating of the magnitude; extracting a bearing-caused vibration value of a characteristic ratio frequency from the vibration mean values; determining whether or not the bearing is abnormal based on the bearing-caused vibration value; and estimating a failure occurrence cause based on a relation of the bearing-caused vibration values in the integer multiplied characteristic ratio frequencies at which the vibrations are caused by the bearing when the bearing is determined to be abnormal in the determining.
A tap machining method includes: forming a female thread by cutting while synchronizing a rotation phase of a main spindle with positions of a workpiece to be machined by the tap and the main spindle in a rotation axis direction of the main spindle, the main spindle rotating while holding a tap with a tool holder mounted on a distal end portion; and adding or subtracting an angle amount of torsional deformation of the tap generated according to a cutting speed to or from the rotation phase of the main spindle during the synchronization.
B23G 1/18 - Machines à une seule broche de travail
B23Q 17/00 - Agencements sur les machines-outils pour indiquer ou mesurer
B23Q 17/09 - Agencements sur les machines-outils pour indiquer ou mesurer pour indiquer ou mesurer la pression de coupe ou l'état de l'outil de coupe, p. ex. aptitude à la coupe, charge sur l'outil
A cutting fluid circulation device includes a first tank reservoir, a primary filter, and a first pump. The tank reservoir stores cutting fluid discharged from a machine tool. The primary filter is provided in the first tank reservoir and filters the cutting fluid. The first pump pumps up the cutting fluid filtered by the primary filter in the first tank reservoir. The first tank reservoir is partitioned into a filtration tank in which the primary filter is disposed, a pumping-up tank in which the first pump is disposed, and a connecting channel in which the cutting fluid in the filtration tank is allowed to flow into the pumping-up tank. The connecting channel has an identical channel width along an entire length thereof, or at least a portion of the channel width is narrowed stepwise or continuously from the filtration tank to the pumping-up tank.
B01D 36/02 - Combinaisons de filtres de différentes sortes
B01D 21/26 - Séparation du sédiment avec emploi de la force centrifuge
B01D 29/11 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants avec des éléments filtrants en forme de sac, de cage, de tuyau, de tube, de manchon ou analogue
B01D 33/06 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux
B01D 33/50 - Rinçage par chasse, p. ex. rafale ascendante d'air à contre-courant avec des bras, des collecteurs de lavage ou des ajutages à contre-courant
B01D 36/04 - Combinaisons de filtres avec des bacs de décantation
B23Q 11/10 - Dispositions pour le refroidissement ou la lubrification des outils ou des pièces travaillées
A servo unit includes a main controller, inverter units configured to control different motors in accordance with a command from the main controller, and a power unit that is configured to supply direct current power to each of the inverter units and that is communicable with the inverter units in parallel. The inverter units include a single key inverter unit. The main controller and the power unit communicate with each other via the key inverter unit that is a relay. The power unit controls power supply based on a power source control command transmitted from the main controller.
A controller for a machine tool that moves a feed shaft moving a cutting tool and a workpiece to thereby cut the workpiece. The controller includes a command generator outputting a moving command to shift the feed shaft in a feeding direction while allowing the feed shaft to oscillate along the feeding direction, a position controller outputting a velocity command, a velocity controller outputting a torque command, a current controller controlling motor line current, and an inversion compensation calculator calculating a compensation amount compensating for a tracking delay caused by inversion of a moving direction of the feed shaft and adding the compensation amount to the moving command etc. for inversion compensation. The controller does not perform the inversion compensation unless the feeding direction is inverted, in spite of inversion of the moving direction of the feed shaft due to oscillation.
G05B 19/416 - 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 commande de vitesse, d'accélération ou de décélération
Provided is a bonded body of copper alloy and steel material that has high bonding property at the interface of the copper alloy and the steel material, and is capable of maintaining a high strength without carrying out the subsequent precipitation hardening process accompanied by solution annealing (or by carrying out only the precipitation hardening process that is not accompanied by the solution annealing). This bonded body includes a first member composed of a precipitation-hardenable copper alloy and a second member including an additively manufactured object made of a steel material bonded to the first member at at least one bonding interface. The bonded body, when the cross section perpendicular to the bonding interface is observed by a scanning electron microscope (SEM), is free of voids having a length of 50 μm or more at the bonding interface in a direction parallel to the bonding interface.
A thermal displacement estimating method includes: detecting each temperature of a predetermined heat generating portion and a predetermined main body structure portion by a temperature measurement device; and estimating a thermal displacement of the heat generating portion by an estimation model based on a detected temperature. The estimating of the thermal displacement includes: obtaining a conversion coefficient equivalent temperature change amount equivalent to a change amount of a conversion coefficient before and after a cooling capacity change from a relationship between a predetermined cooling heat amount of a cooling device and the conversion coefficient between the temperature and the displacement for estimating the thermal displacement from the detected temperature and/or a cooling heat amount equivalent temperature change amount equivalent to a changed heat amount before and after the cooling capacity change from a relationship between the predetermined cooling heat amount and a temperature equivalent to the cooling heat amount.
A robot mounting base for an industrial robot includes a mounting base main body having a top surface on which the industrial robot is disposed. The robot mounting base allows the industrial robot to work on a machine tool in an installation state close to an outer surface of the machine tool. A cutoff portion is formed at least at one end portion in the mounting base main body in a horizontal direction along the outer surface in the installation state, and the cutoff portion positions so that a surface on the machine tool side is away from the machine tool with respect to another end portion.
A dark test method for diagnosing presence or absence of an abnormality in an output switch circuit configured to output a voltage signal for switching ON and OFF an output device includes performing a test process including: outputting, to the output switch circuit a switch signal having an OFF pulse form with a diagnosis pulse width; and determining whether or not a response pulse having an OFF pulse form can be detected from an output detection signal obtained by digitally converting the voltage signal output from the output switch circuit. The test process is repeated while gradually increasing the diagnosis pulse width until the response pulse can be detected. It is determined that the output switch circuit is abnormal when the diagnosis pulse width reaches or exceeds a specified upper limit value.
A control device, which is configured to control current of a three-phase alternating current motor by d-q axis control, includes a q-axis current controller configured to receive, as one input, an acceleration torque command value τf calculated based on a position command value X, and output a controller output voltage Δeq to be added to a q-axis voltage command value vq*. The q-axis current controller calculates, based on the acceleration torque command value τf, an acceleration q-axis current command value iqf*, which is a current command value corresponding to the acceleration torque command value τf, and adds, to the controller output voltage Δeq, a value obtained by multiplying the acceleration q-axis current command value iqf* by an IP coefficient KIP indicating a ratio of switching between PI control and I-P control and by a q-axis proportional gain Gqp.
H02P 21/09 - Calcul de l’angle de phase du champ basé sur l’équation de la tension de rotor en additionnant la fréquence de glissement et une fréquence proportionnelle à la vitesse
H02P 21/22 - Commande du courant, p. ex. en utilisant une boucle de commande
A cell controller controls a machining cell including a plurality of work resources. The plurality of work resources include at least one processing machine and at least one robot. The cell controller includes a PLC and a management device. The PLC controls operation of the work resources in accordance with an instruction from the management device, and acquires conditions of a plurality of work elements including the work resources and a workpiece. The management device, in response to occurrence of abnormal stop of the machining cell, specifies a recoverable condition of each work element, and presents to an operator a guide to a recovery procedure that enables each work element to transition to the recoverable condition.
A hydraulic system includes: a first hydraulic cylinder including a first volume chamber and a second volume chamber; a second hydraulic cylinder including a third volume chamber and a fourth volume chamber a first connection pipe that allows the first volume chamber and the third volume chamber to communicate with each other; a second connection pipe that allows the second volume chamber and the fourth volume chamber to communicate with each other; and a correction mechanism that corrects a position of the first piston by causing the first piston to advance or retreat in a state where the second piston is stationary, in which the correction mechanism includes a brake that regulates a movement of the second piston and, a bypass pipe that allows the first connection pipe and the second connection pipe to communicate with each other; and a valve that opens and closes the bypass pipe.
F15B 9/03 - Servomoteurs à asservissement, c.-à-d. dans lesquels la position de l'organe commandé correspond à celle de l'organe qui commande les servomoteurs étant du type à mouvement possible alternatif ou oscillant avec moyens de commande électriques
F15B 9/09 - Servomoteurs à asservissement, c.-à-d. dans lesquels la position de l'organe commandé correspond à celle de l'organe qui commande les servomoteurs étant du type à mouvement possible alternatif ou oscillant commandés par des clapets agissant sur l'alimentation de fluide ou sur l'orifice de sortie du fluide du servomoteur avec moyens de commande électriques
Provided is a cylindrical grinder that is capable of automatically moving and fixing a tailstock in accordance with variations in length of a workpiece and enables improvement in its productivity. An NC cylindrical grinder includes: a table as a base; a headstock and an NC tailstock both arranged on the table; a moving mechanism configured to move at least either one of the headstock and the tailstock in a Z-axis direction; and a protective cover provided to the table and configured to protect the moving mechanism. In an area between the headstock and the tailstock and at a height position above the protective cover, a tooling base for mounting a tooling instrument thereon is arranged in a freely movable manner in the Z-axis direction. Provided is a guide mechanism for guiding the tooling base in the Z-axis direction and fixing the tooling base to the table at a required position.
A cutting fluid circulation device includes a tank reservoir, a drum filter, and a pump. The tank reservoir stores cutting fluid discharged from a machine tool. The drum filter is disposed in the tank reservoir. The drum filter performs as a primary filter that filters cutting fluid. The pump pumps up cutting fluid in the tank reservoir. An annular flow channel in which the cutting fluid filtered by the drum filter circulates is formed in the tank reservoir. A part of the cutting fluid pumped up by the pump is fed to the drum filter, used for cleaning the drum filter, and then returned to the annular flow channel, and a part of the remaining cutting fluid is fed to a secondary filter disposed outside the tank reservoir, filtered by the secondary filter, and then returned to the annular flow channel.
A three-dimensional shape measuring system includes a controller and a camera which images a target object to acquire a base image, in which the controller is configured to previously store three-dimensional shape data for a plurality of known structures, identify at least one structure from the plurality of known structure as at least one reference structure, compute at least one extruded region formed by extruding the at least one reference structure along a predetermined extruding direction based on the three-dimensional shape data, crop out a part of the base image to generate a computational image based on the at least one extruded region and the base image, and measure a shape of the target object based on the computational image.
TEMPERATURE RISE VALUE ESTIMATING METHOD, THERMAL DISPLACEMENT AMOUNT ESTIMATING METHOD, AND BEARING COOLING APPARATUS CONTROL METHOD FOR MACHINE TOOL, AND MACHINE TOOL
A temperature rise value estimating method for a machine tool including a cooling apparatus configured to cool a specific portion and a plurality of sensors. The temperature rise value estimating method includes: determining a cooling state of the specific portion by determining whether the cooling apparatus is in an operating state or a stopped state and determining whether a time measured from a base point of an activation or a stoppage of the cooling apparatus has elapsed a predetermined delay time or not; selecting an estimation model corresponding to the determined cooling state of the specific portion from a plurality of estimation models prepared in advance corresponding to different cooling states of the specific portion; and calculating an estimated temperature rise value of the specific portion based on the selected estimation model and temperature data derived from a measured value acquired by the plurality of temperature sensors.
A three-dimensional point cloud data processing system includes: one or more cameras that image an object to acquire one or more items of brightness information; and a controller that calculates point cloud data of the object from the one or more items of brightness information. The controller calculates at least one BB, which surrounds the object and is formed by combining one or more rectangles, from at least one of the one or more items of brightness information, and calculates the point cloud data based on the at least one BB and the one or more items of brightness information.
A position control apparatus detects currents of processing object phases which flow through the three-phase AC motor, applies offset compensation processing to current detected values of the processing object phases based on offset compensation amounts, and controls the three-phase AC motor based on the current detected values of the processing object phases after the offset compensation processing. Processing of obtaining the offset compensation amounts includes processing of obtaining a Fourier coefficient of a frequency component of a torque ripple based on a torque command value signal, processing of obtaining torque amplitude components of the processing object phases, and processing of obtaining the offset compensation amounts with respect to the processing object phases based on the torque amplitude components of the processing object phases.
G05B 5/00 - Dispositions pour éliminer l'instabilité
H02H 7/08 - Circuits de protection de sécurité spécialement adaptés aux machines ou aux appareils électriques de types particuliers ou pour la protection sectionnelle de systèmes de câble ou de ligne, et effectuant une commutation automatique dans le cas d'un changement indésirable des conditions normales de travail pour moteurs dynamo-électriques
H02P 1/00 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques
H02P 21/05 - Dispositions ou procédés pour la commande de machines électriques par commande par vecteur, p. ex. par commande de l’orientation du champ spécialement adaptés pour amortir les oscillations des moteurs, p. ex. pour la réduction du pompage
H02P 21/22 - Commande du courant, p. ex. en utilisant une boucle de commande
24.
CALIBRATION MASTER INSTALLING JIG AND MEASURING METHOD FOR CALIBRATION MASTER IN MACHINE TOOL
A calibration master installing jig for installing a calibration master in a predetermined direction on a table when the calibration master installed in the predetermined direction on the table is measured using a sensor mounted to a spindle head in a machine tool. The machine tool includes two or more translational axes and the table provided with a plurality of slots or tap holes. The calibration master installing jig includes a plate and a plurality of rod materials. A plurality of holes are provided in the plate. The plurality of rod materials are insertable into the holes. By putting the plurality of rod materials individually inserted into any given plurality of the holes into any of the slots or the tap holes, any given side surface of the plate or a straight line connecting the plurality of rod materials becomes parallel to the predetermined direction on the table.
G01B 5/008 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer les coordonnées de points en utilisant des machines de mesure de coordonnées
A gripper device includes: an air cylinder having a piston rod; a rotary output mechanism which includes a screw shaft and a nut and which is configured to convert rectilinear motion of the piston rod into rotary motion; a plurality of linear motion units each having a gripper claw coupled thereto; and a rectilinear output mechanism which is configured to convert the rotary motion output from the rotary output mechanism into rectilinear motion and transmit the rectilinear motion to the plurality of linear motion units, and which includes a pinion gear and a rack gear. The nut is located at an inner diameter side of the pinion gear, and rectilinear stroke of the linear motion units is greater than rectilinear stroke of the piston rod.
A feed axis monitoring device includes a position deviation calculating unit, a machined surface perpendicular direction calculating unit, a position deviation component converting unit, a threshold value calculating unit, and an abnormality determining unit. The position deviation calculating unit calculates a position deviation of the feed axis. The machined surface perpendicular direction calculating unit calculates a direction perpendicular to a machined surface at a time of a position deviation calculation. The position deviation component converting unit converts a position deviation of the feed axis into a component in the perpendicular direction. The threshold value calculating unit calculates a threshold value based on a preset relation between an operating state of the main spindle and the threshold value. The abnormality determining unit determines that the feed axis has an abnormality when the position deviation exceeds the threshold value.
G05B 19/4065 - Contrôle du bris, de la vie ou de l'état d'un outil
G05B 19/402 - 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 le positionnement, p. ex. centrage d'un outil par rapport à un trou dans la pièce à usiner, moyens de détection additionnels pour corriger la position
B23Q 15/013 - Commande ou régulation du mouvement d'avance
B23Q 17/09 - Agencements sur les machines-outils pour indiquer ou mesurer pour indiquer ou mesurer la pression de coupe ou l'état de l'outil de coupe, p. ex. aptitude à la coupe, charge sur l'outil
Provided is a tool magazine apparatus capable of preventing a phase error in attaching a tool to a tool holding gripper. A tool magazine apparatus includes: a magazine body having both front and rear racks each provided with tool holding grippers; a tool transfer device to take out a tool from the both racks and attach a tool to the both racks; a tool standby pot to hold a tool; and an intra-magazine tool change device to deliver a tool between the tool standby pot and the tool transfer device. The tool transfer device includes: a moving body disposed between the both racks; a base disposed on the moving body and being rotatable around an axis extending in the Z-axis direction; a transfer gripper attached to the base and being movable in a plane orthogonal to the Z-axis direction; and an air cylinder causing the transfer gripper to move.
In a three-phase induction motor, each of coils of three phases has a first coil unit and a second coil unit placed in 180-degree symmetry, each of the coil units has a first coil and a second coil, the first coil is formed by winding a winding once in an electrical angle range of 180 degrees during a two-pole operation, the second coil is formed by winding the winding twice in a range of a center third when the first coil is equally divided into three parts in a circumferential direction, in such a manner that a current flows in a direction opposite to a direction of current flowing in the first coil.
H02K 17/14 - Moteurs asynchrones à induction pour courant polyphasé avec des enroulements permettant le changement du nombre de pôles
H02K 3/12 - Enroulements caractérisés par la configuration, la forme ou le genre de construction du conducteur, p. ex. avec des conducteurs en barre disposés dans des encoches
A servo control apparatus includes an actual machine frequency characteristic measurer that calculates a frequency characteristic of an actual machine from a motor input signal and an output of a detector, and a parameter adjuster that finds a solution for a parameter of a controller, which sets a difference, between an open loop characteristic, calculated from a calculation result of the actual machine frequency characteristic measurer and a frequency characteristic of the controller, and an ideal open loop characteristic, to be less than or equal to a predefined reference, and that applies the obtained parameter to the controller.
G05B 19/414 - Structure du système de commande, p. ex. automate commun ou systèmes à multiprocesseur, interface vers le servo-contrôleur, contrôleur à interface programmable
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
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]
A linear motor includes a stator having a plurality of salient poles, and a slider configured to move along a direction of extension of the stator. A U-phase coil core of the slider includes a yoke, a plurality of teeth, permanent magnets provided in respective magnet-receiving cavities located between the teeth, coil-receiving cavities formed on outer sides of the teeth set, and a U-phase coil wound in the coil-receiving cavities. The plurality of teeth project radially from the yoke toward the stator, and the width of each of the teeth as measured at the yoke side is narrower than its width as measured at the stator side.
Provided is a tool magazine apparatus that has excellent workability and is capable of being downsized. A tool replacement device includes a fixed frame installed in an opening portion provided at a predetermined position of a tool magazine, a swivel frame disposed inside the fixed frame so as to be rotatable about a swivel axis extending in a vertical direction, and a tool replacement rack fixed to the swivel frame. The swivel frame is rotated to a deliverable position at which the tool replacement rack is parallel to a tool rack inside the tool magazine to enable a tool to be delivered between the tool replacement rack and a tool transfer device, and to a replaceable position at which the tool replacement rack is located outside the tool magazine to enable replacement of old and new tools.
A displacement compensation device for a machine tool includes a temperature information acquiring unit, a floor information acquiring unit, a displacement amount computing unit, and a compensating unit. The temperature information acquiring unit acquires temperature information from a temperature sensor. The floor information acquiring unit acquires floor information using a floor state sensor measuring a state of a surface or an inside of a floor on which a machine tool is installed. The displacement amount computing unit calculates an estimated displacement amount of the machine tool with a preset displacement estimation formula using the temperature information acquired by the temperature information acquiring unit and the floor information acquired by the floor information acquiring unit as inputs. The compensating unit compensates an axis command value based on the estimated displacement amount calculated by the displacement amount computing unit.
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
B23Q 15/12 - Commande auto-adaptative, c.-à-d. s'ajustant elle-même de façon à procurer le meilleur rendement en fonction de critères fixés au préalable
Provided is a tool pot overcoming a problem that dirt adhered to the tool pot is transferred to a contact face of a tool. A tool pot includes an inner-periphery holding part that holds an inner periphery of a tapered shank and prevents axial movement of a tool, an end-face holding part that prevents rotation of the tool, which is implemented by a key fitted into a keyway provided at an end surface of the tapered shank, and an outer-periphery holding part that is opposed to an outer periphery of the V-flange and prevents radial movement of tool. The inner-periphery holding part, the end-face holding part, and the outer-periphery holding part hold the tool in a state where there are clearances with respect to an outer peripheral surface of the tapered shank and an end face of the V-flange, respectively.
A machining accuracy diagnosing device includes a diagnosing information acquiring, an opening time setting unit, a cutting time setting unit, and a machining accuracy influence amount predicting unit. The diagnosing information acquiring unit acquires at least one of a room temperature inside the plant, a set temperature of a temperature regulating device, an air temperature outside the plant, a wind speed outside the plant, an opening degree of the door or the shutter, and a machine body temperature. The opening time setting unit sets an opening time of the door or the shutter. The machining accuracy influence amount predicting unit predicts an influence amount of opening of the door or the shutter on the machining accuracy based on the acquired information for diagnosis, the set opening time of the door or the shutter, and a set scheduled machining start time and a set scheduled machining end time.
A machining accuracy diagnosing device includes a temperature regulation operating pattern setting unit, a cutting condition setting unit, a temperature information acquiring unit, and a machining accuracy influence amount predicting unit. The temperature regulation operating pattern setting unit sets an operating pattern of a temperature regulating unit. The cutting condition setting unit sets a scheduled machining start time and a scheduled machining end time. The temperature information acquiring unit acquires an influencing temperature of the temperature regulating unit on the machine body temperature and/or an air temperature outside the plant. The machining accuracy influence amount predicting unit predicts an influence amount of the temperature regulating unit on the machining accuracy based on the operating pattern, the scheduled machining start time and the scheduled machining end time, and at least one of the influencing temperature and/or the air temperature outside the plant and a set temperature of the temperature regulating unit.
A machine tool is configured to machine a workpiece by rotating a tool and/or the workpiece. The machine tool includes a natural frequency changing unit configured to change a natural frequency before machining or during machining in the tool or a supporting portion supporting the tool.
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
A control device for a machine tool in which a tool used to machine a workpiece is mounted to a main spindle that is relatively movable with respect to the workpiece. The control device includes: a parameter preparing unit that stores a predetermined parameter regarding a control in advance; an evacuation unit that causes the tool to perform an evacuation operation from the workpiece; and a chip discharging unit that causes the tool to perform a chip discharging operation. The evacuation operation of the tool by the evacuation unit and the chip discharging operation by the chip discharging unit are performable at respective predetermined timings.
A motor control device includes an abnormality determination unit that determines the presence of any abnormality in a current detector. The abnormality determination unit includes, for example, a U-phase abnormality determination device. The U-phase abnormality determination device calculates, as a voltage command threshold, a value obtained by adding a dead time voltage error, which is a voltage error occurring due to a dead time, to an ideal voltage command threshold, which is a value obtained by multiplying a prescribed reference current value by a motor resistance value, and outputs a signal indicating an abnormality in the current detector when the effective value of a voltage command value is equal to or greater than the voltage command threshold and the effective value of a current detection value is equal to or less than a current detection threshold that is lower than the reference current value.
H02P 29/024 - Détection d’un défaut, p. ex. court circuit, rotor bloqué, circuit ouvert ou perte de charge
H02P 21/14 - Estimation ou adaptation des paramètres des machines, p. ex. flux, courant ou tension
H02P 21/22 - Commande du courant, p. ex. en utilisant une boucle de commande
H02P 27/08 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions
39.
TAP PHASE DETECTION METHOD, FEMALE THREAD PROCESSING METHOD IN MACHINE TOOL, AND MACHINE TOOL
A tap phase detection method includes: acquiring a relation between a rotation angle and an existence of a screw thread by measuring a position of the screw thread of a tap with a sensor from a direction intersecting with an axial direction of the tap while rotating the tap; and detecting a phase of the tap based on the acquired relation between the rotation angle and the existence of the screw thread.
G05B 19/18 - 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
G01B 11/24 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer des contours ou des courbes
B23G 3/08 - Agencements ou accessoires permettant aux machines-outils non spécialement conçues pour le filetage, d'être utilisées à cette fin, p. ex. agencements pour le renversement de marche de la broche de travail pour faire avancer ou commander l'outil de filetage ou la pièce par des gabarits, des cames ou des dispositifs similaires
40.
TURNING METHOD FOR WORKPIECE, MACHINE TOOL, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING MACHINING PROGRAM
A turning method for performing a turning on a workpiece in a machine tool includes: feeding a tool in a rotation axis direction and/or a radial direction of a workpiece while rotating the workpiece, the tool including an insert having a side cutting edge, the side cutting edge including a straight line portion; and feeding the tool in the rotation axis direction and the radial direction and in a predetermined inclined direction that is non-parallel to a final machining surface of the workpiece, so as to perform a turning such that a cutting edge angle as an angle formed by the straight line portion of the side cutting edge and the inclined direction becomes less than 90°.
B23B 1/00 - Méthodes de tournage ou méthodes de travail impliquant l'utilisation de toursUtilisation d'équipements auxiliaires en relation avec ces méthodes
B23B 11/00 - Machines à tourner automatiques ou semi-automatiques comportant l'équipement nécessaire à d'autres procédés de travail, p. ex. pour le mortaisage, le fraisage, le laminage
In a position control device that controls a rotational speed and a rotational angle of a three-phase synchronous motor by calculating a d-axis current command value and a q-axis current command value based on a position command and causing a inverter to adjust current values of respective phases of the three-phase synchronous motor, a processor calculates a d-axis additional current value to be added to the d-axis current command value. The d-axis additional current value oscillates in such a manner that the polarity changes according to an electrical angle and crosses a zero level with an inclination whose polarity is opposite the polarity of a first q-axis current command value at a zero-cross electrical angle. As a result, positional deviation ripples caused by dead time can be suppressed.
H02P 21/00 - Dispositions ou procédés pour la commande de machines électriques par commande par vecteur, p. ex. par commande de l’orientation du champ
H02P 21/18 - Estimation de la position ou de la vitesse
H02P 27/12 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions appliquant des impulsions en guidant le vecteur-flux, le vecteur-courant, ou le vecteur-tension sur un cercle ou une courbe fermée, p. ex. pour commande directe du couple
A control device for a machine tool includes a tool mounted on a main spindle relatively movable with respect to a workpiece and machines the workpiece using the tool. The control device includes: a parameter preparing unit, an evacuation unit, and an evacuation diagnosing unit. The parameter preparing unit preliminarily stores a predetermined parameter relating to a control. The evacuation unit causes the tool to perform an evacuation operation from the workpiece. The evacuation diagnosing unit diagnoses whether the evacuation operation is normal. When the evacuation diagnosing unit diagnoses that the evacuation operation is abnormal, the evacuation operation is cancelled.
G05B 19/4065 - Contrôle du bris, de la vie ou de l'état d'un outil
B23Q 15/12 - Commande auto-adaptative, c.-à-d. s'ajustant elle-même de façon à procurer le meilleur rendement en fonction de critères fixés au préalable
43.
THREE-DIMENSIONAL SHAPE MEASUREMENT SYSTEM AND MACHINE TOOL SYSTEM
A three-dimensional shape measurement system includes an image pickup unit, a storage device that stores image pickup conditions required in imaging for measurement as condition information for each of a plurality of combinations of the material and surface property of an object, and a measurement controller that controls driving of the image pickup unit. The measurement controller identifies the material and surface property of the object, specifies image pickup conditions corresponding to the identified material and surface property of the object based on the condition information, causes the image pickup unit to perform the imaging for measurement under the specified image pickup conditions, and measures the shape of the object based on the obtained image for measurement.
An accuracy analysis system for a machine tool includes: a control unit, a data server, a data communication unit, a data analyzer, a corrected machine accuracy calculation unit, and a data display unit. The control unit stores preliminarily obtained accuracy data regarding a machine accuracy, compensation data for compensating for an error, and machine information. The data communication unit transmits the accuracy data, the compensation data, and the machine information to the data server. The data analyzer uses the accuracy data and the compensation data in the data server to obtain a compensation data correction value as a correction value of the compensation data and expected accuracy data when the compensation data correction value is applied. The corrected machine accuracy calculation unit calculates a post-correction machine accuracy from the expected accuracy data. The data display unit displays the post-correction machine accuracy calculated by the corrected machine accuracy calculation unit.
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
B23Q 17/22 - Agencements sur les machines-outils pour indiquer ou mesurer pour indiquer ou mesurer la position réelle ou désirée de l'outil ou de la pièce
45.
METHOD FOR CALCULATING COMPENSATION PARAMETER OF MOTION ERROR IN MACHINE TOOL, AND MACHINE TOOL
A method includes: installing a square calibration master on a table, and measuring each of measurement surfaces A, B, and C of the square calibration master by a position measurement sensor attached to a main spindle; calculating a first squareness between the measurement surfaces A and B; calculating a second squareness between the measurement surfaces A and C; calculating a difference between the first squareness and the second squareness; comparing the difference with a preliminarily set difference threshold value; calculating an average value of the first squareness and the second squareness when the difference is equal to or less than the difference threshold value, and calculating a corrected squareness based on an angular deviation and the first squareness or the second squareness when the difference exceeds the difference threshold value; and setting the compensation parameter based on the average value or the corrected squareness.
B23Q 15/12 - Commande auto-adaptative, c.-à-d. s'ajustant elle-même de façon à procurer le meilleur rendement en fonction de critères fixés au préalable
46.
CALIBRATION METHOD AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING CALIBRATION PROGRAM FOR CONTACT TOOL SENSOR IN MACHINE TOOL, AND MACHINE TOOL
A method for calibrating a positional relation between a main spindle and a contact tool sensor attached to a table in a machine tool. The method includes: mounting a reference tool on the main spindle and obtaining measurement position coordinates as respective tool sensor measurement values, the measurement position coordinates being of a distal end of the reference tool in at least two different measurement regions on an upper surface of the contact tool sensor; outputting predetermined difference values based on the respective tool sensor measurement values; determining an abnormality when the difference values are compared with preliminarily set acceptable values and at least one of the difference values are out of the acceptable values; and calibrating a positional relation between the main spindle and the contact tool sensor based on the respective tool sensor measurement values when the abnormality is not determined at the determining of abnormality.
G01B 5/008 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer les coordonnées de points en utilisant des machines de mesure de coordonnées
B23Q 23/00 - Dispositifs de compensation des irrégularités ou de l'usure, p. ex. pour les glissières, pour les mécanismes de réglage
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
B08B 13/00 - Accessoires ou parties constitutives, d'utilisation générale, des machines ou appareils de nettoyage
47.
ERROR IDENTIFICATION METHOD FOR FIVE-AXIS-CONTROL MACHINE TOOL, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM, AND FIVE-AXIS-CONTROL MACHINE TOOL
An error identification method for identifying an error includes: securing a calibrator having three or more spheres on the table; measuring an initial position of the calibrator with a position measurement sensor tool; calculating a reference angle of each of the rotation axes for positioning the calibrator to a predetermined reference position using a measured value in the measuring; indexing each of the rotation axes individually to a plurality of indexed angles with respect to the reference angle and measuring a center position of a sphere of the calibrator secured on the table at each of the indexed angles with the position measurement sensor tool; and identifying a positioning error and a straightness error of the linear axis, a squareness error between the respective linear axes, and a position error and an inclination error of each of the rotation axes based on a measured value in the indexing.
G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
G01B 5/012 - Têtes de contact de palpeurs pour de telles machines
B23Q 15/12 - Commande auto-adaptative, c.-à-d. s'ajustant elle-même de façon à procurer le meilleur rendement en fonction de critères fixés au préalable
48.
Error identification method for machine tool, non-transitory computer-readable storage medium, and machine tool
An error identification method includes: installing a calibrator including a sphere row A and a sphere row B in which a plurality of spheres are linearly aligned in a direction perpendicular to the sphere row A on a table such that the sphere row A and the sphere row B are approximately parallel to respective two of the translational axes and measuring positions of a plurality of spheres of the sphere row A and the sphere row B using a position measurement sensor tool; rotating the calibrator to a plurality of angles around a normal direction on the upper surface of the table to install on the table and measuring each position of the plurality of spheres of the sphere row A and the sphere row B; and identifying an error of the translational axis based on measured values in the installing and the rotating.
G01B 5/012 - Têtes de contact de palpeurs pour de telles machines
B23Q 15/12 - Commande auto-adaptative, c.-à-d. s'ajustant elle-même de façon à procurer le meilleur rendement en fonction de critères fixés au préalable
A door open and close mechanism for opening and closing a plurality of doors in a machine tool including a cover. The door open and close mechanism includes a linkage mechanism and a slide mechanism. The linkage mechanism is disposed between an operation door and an intermediate door. The linkage mechanism associates the intermediate door with the opening and closing of the operation door. The slide mechanism is disposed between the operation door and the linkage mechanism. The slide mechanism enables the operation door alone to open and close by a predetermined moving distance. When the operation door is operated to open and close within the moving distance, the operation door alone opens and closes by the slide mechanism. When the operation door is operated to open and close beyond the moving distance, the intermediate door opens and closes in association through the linkage mechanism.
B60J 5/06 - Portes disposées sur les côtés du véhicule coulissantesPortes disposées sur les côtés du véhicule pliantes
B23Q 1/01 - Bâtis, bancs, colonnes ou éléments similairesAgencement des glissières de guidage
E05D 15/06 - Suspensions pour battants pour battants coulissant horizontalement sensiblement dans leur propre plan
E05D 15/08 - Suspensions pour battants pour battants coulissant horizontalement sensiblement dans leur propre plan consistant en plusieurs éléments indépendants, se déplaçant chacun dans ses propres guides
50.
Abnormality diagnostic device for feed axis mechanism
An abnormality diagnostic device for a feed axis mechanism diagnoses an abnormality occurrence and an abnormal portion of the feed axis mechanism. The feed axis mechanism transmits a rotation of a motor to a ball screw coupled by a coupling to rotate the ball screw. The abnormality diagnostic device includes a resonance frequency measuring unit and a diagnosis unit. The resonance frequency measuring unit measures a resonance frequency at a plurality of stroke positions within a stroke range of the feed axis mechanism. The diagnosis unit identifies the abnormal portion based on a relationship between the stroke positions and change amounts relative to a standard value of the measured respective resonance frequencies.
B23Q 17/00 - Agencements sur les machines-outils pour indiquer ou mesurer
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
B23Q 17/12 - Agencements sur les machines-outils pour indiquer ou mesurer pour indiquer ou mesurer les vibrations
B23Q 5/40 - Avance par transmission mécanique des autres organes supportant les outils ou les pièces, p. ex. avance des traînards, des glissières d'outils à avance continue par un arbre, p. ex. une vis-mère
51.
Accuracy diagnostic device and accuracy diagnostic method for machine tool, and accuracy adjustment reservation system
An accuracy diagnostic device includes a change amount detecting unit, a change amount recording unit, an accuracy change predictor, and an accuracy adjustment timing presenting unit. The change amount detecting unit detects a magnitude of a change in at least one of a state of a machine tool and a surrounding environment of the machine tool as a change amount. The change amount recording unit records the change amount. The accuracy change predictor predicts a future accuracy change of the machine tool using the change amount recorded in the change amount recording unit. The accuracy adjustment timing presenting unit presents a timing at which an accuracy adjustment is to be required for the machine tool based on the accuracy change predicted by the accuracy change predictor.
Provided is a cutting fluid tank for a machine tool, with which the operator's time and effort for cleaning are reduced and the maintainability is enhanced, without entailing an increase in size. In a tank body, a cutting fluid flow channel having a spiral shape and extending from a tank center region to a tank outer peripheral region is formed by a flow channel forming plate. An inflow port into which a cutting fluid from inside a machining chamber flows is provided at an outer peripheral region of the lid, whereas an outflow port to take out the cutting fluid in the tank body to an outside is provided at a center region of the lid. A pump to pump up and supply the cutting fluid to the machining chamber is provided at the outflow port.
An environmental temperature change prediction device includes an environmental temperature acquisition unit, an outside temperature acquisition unit, a plant environment pattern setting unit, a prediction model generating unit, and an environmental temperature change prediction unit. The environmental temperature acquisition unit measures a machine body temperature. The plant environment pattern setting unit defines in advance a classification rule for classifying change trends of the environmental temperature into a plurality of patterns based on data of the environmental temperature and the plant outside temperature and environmental temperature prediction models. The prediction model generating unit selects the applicable plant environment pattern and determines a parameter of the environmental temperature prediction model corresponding to the selected plant environment pattern. The environmental temperature change prediction unit predicts a change in the environmental temperature in a future by the environmental temperature prediction model generated in the prediction model generating unit.
A linear motor includes a stator including a plurality of salient poles arranged at regular intervals in the Y-axis direction, and a mover movable in the Y-axis direction and facing the stator in the X-axis direction, in which the mover includes a plurality of teeth arranged in the Y-axis direction, three-phase alternate current windings wound around the teeth, a mover magnetic yoke that connects the plurality of teeth, permanent magnets each disposed in a gap between the teeth of identical phase, and magnetic flux barriers each embedded near the base of each tooth of the plurality of teeth, disposed completely within a width of each tooth in the X-axis direction, and spaced apart from the permanent magnet in the X-axis direction.
A thermal displacement compensation apparatus includes a temperature measuring unit, a thermal displacement estimating unit, a thermal displacement compensation unit, a displacement measuring unit, a data recording unit, a thermal displacement compensation learning unit, and a displacement measurement timing diagnostic unit. The displacement measuring unit measures a displacement of a machine tool after compensating an axis command value. The thermal displacement compensation learning unit determines a thermal displacement estimation formula based on temperature information and the displacement recorded in the data recording unit. The displacement measurement timing diagnostic unit compares the temperature information at a past displacement measurement recorded in the data recording unit with current temperature information obtained from the temperature measuring unit, and determines whether to measure the displacement by the displacement measuring unit or not at a predetermined diagnosis timing.
B23Q 15/18 - Compensation de la déformation de l'outil due à la température ou à l'effort
B23Q 15/12 - Commande auto-adaptative, c.-à-d. s'ajustant elle-même de façon à procurer le meilleur rendement en fonction de critères fixés au préalable
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
B23Q 17/09 - Agencements sur les machines-outils pour indiquer ou mesurer pour indiquer ou mesurer la pression de coupe ou l'état de l'outil de coupe, p. ex. aptitude à la coupe, charge sur l'outil
56.
Turning process method for workpiece and machine tool
A turning process method for processing a step-shaped workpiece includes: feeding a tool in a rotation axis direction and/or a radial direction of a workpiece while rotating the workpiece; using a tool that includes an insert with a main cutting edge having a straight portion and a machine tool having a pivot shaft of the tool in the machine side; processing a peripheral surface of the small diameter portion by turning the pivot shaft so as to have a cutting edge angle of less than 90°, the cutting edge angle having an angle between the straight portion of the main cutting edge and the rotation axis direction; and processing an end surface and a peripheral surface of the large diameter portion by turning the pivot shaft so as to have the cutting edge angle of 90° or more at a front of the large diameter portion.
B23B 27/16 - Outils de coupe sur lesquels les taillants ou éléments tranchants sont en matériaux particulier à éléments tranchants interchangeables, p. ex. pouvant être fixés par des brides
B23B 29/04 - Porte-outils pour un seul outil de coupe
B23B 1/00 - Méthodes de tournage ou méthodes de travail impliquant l'utilisation de toursUtilisation d'équipements auxiliaires en relation avec ces méthodes
B23B 27/02 - Outils de coupe dont la partie principale est rectiligne et comporte une arête coupante inclinée
57.
METHOD FOR LABELING DATA SET OF SUPERVISED LEARNING MACHINE, SUPERVISED LEARNING MACHINE, AND STATE ESTIMATION APPARATUS
A method for labeling a data set of a supervised learning machine includes: calculating a deviation degree from a reference state A for each corresponding data in cases where a plurality of state estimation targets are in the reference state A and a reference state B; calculating a normalized deviation degree by taking a map of the deviation degree from A for each of the corresponding data with a map set for each of the state estimation targets. The map is allowed to map the deviation degree from A in A on a specified value to be output by the supervised learning machine in A; allowed to map the deviation degree from
A method for labeling a data set of a supervised learning machine includes: calculating a deviation degree from a reference state A for each corresponding data in cases where a plurality of state estimation targets are in the reference state A and a reference state B; calculating a normalized deviation degree by taking a map of the deviation degree from A for each of the corresponding data with a map set for each of the state estimation targets. The map is allowed to map the deviation degree from A in A on a specified value to be output by the supervised learning machine in A; allowed to map the deviation degree from
A in B on a specified value to be output by the supervised learning machine in B.
Provided is a cell controller for controlling an operation of a machining cell including two or more machines and one or more robots as work resources, the cell controller being configured to control the operation of the machining cell based on a production program recorded with one or more processes to be executed at the time of producing only one article of a corresponding item in the machining cell among production programs prepared corresponding to one or more items produced in the machining cell.
H02P 27/06 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs
An encoder abnormality diagnosis device configured to diagnose an abnormality in an encoder that outputs a cosine waveform and a sine waveform according to a rotation angle of an object includes a stop determination processing unit configured to determine whether the object is rotating or stopping, based on a change in a count value of a pulse signal obtained by pulsing of each of the cosine waveform and the sine waveform, a frequency measurement unit configured to measure a frequency of the pulse signal, and a frequency diagnosis unit configured to compare the frequency measured by the frequency measurement unit with a preset upper limit frequency when the stop determination processing unit determines that the object is stopping, and to determine that an abnormality has occurred in the encoder when the measured frequency exceeds the upper limit frequency.
G01D 5/244 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant les caractéristiques d'impulsionsMoyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques produisant des impulsions ou des trains d'impulsions
G01D 5/248 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques influençant les caractéristiques d'impulsionsMoyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques produisant des impulsions ou des trains d'impulsions en faisant varier la fréquence de répétition de l'impulsion
61.
Accuracy diagnostic device and accuracy diagnostic method for machine tool
An accuracy diagnostic device that diagnoses an influence on an accuracy of a machine tool due to a thermal deformation includes a temperature change rate calculation unit, an accuracy influence degree calculation unit, and an accuracy stabilization time period calculation unit. The temperature change rate calculation unit calculates a rate of a temperature change in a predetermined portion of the machine tool as a temperature change rate. The accuracy influence degree calculation unit calculates an influence degree on the machine tool accuracy due to the thermal deformation as an accuracy influence degree, based on the temperature change rate. The accuracy stabilization time period calculation unit calculates a time period until the machine tool accuracy is stabilized as an accuracy stabilization time period, based on the temperature change rate.
G01B 21/32 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la déformation dans un solide
G01B 21/16 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la distance ou le jeu entre des objets espacés
62.
Accuracy diagnostic device and accuracy diagnostic method for machine tool
An accuracy diagnostic device for a machine tool diagnoses an accuracy of the machine tool. The machine tool includes a change amount detection unit that measures a change amount. The change amount changes due to an installation environment and an operational motion. The accuracy diagnostic device includes a change-amount-reference-value recording unit that records a reference value of the change amount. The accuracy diagnostic device obtains the change amount measured by the change amount detection unit. The accuracy diagnostic device diagnoses a change of the accuracy of the machine tool based on a first change index derived from a magnitude of a change of the change amount per a predetermined period and a second change index derived from the current change amount and the reference value.
G01B 21/16 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la distance ou le jeu entre des objets espacés
G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
A gripper device includes a plurality of gripper claws, a plurality of linear motion units, each of which is disposed on corresponding one of the plurality of gripper claws, a synchronization mechanism configured to synchronize movement of the plurality of linear motion units, a first cylinder configured to apply a driving force thereof to the linear motion unit or the synchronization mechanism, a second cylinder having a shorter stroke and a greater driving force as compared to those of the first cylinder, and a transmission mechanism having a clutch which is configured to establish or release mechanical connection between the second cylinder and the synchronization mechanism.
A numeric value control unit outputs a connection diagnostic signal to a target position switching unit to place the three-phase motor in a position at an angle that causes no torque generation upon application of a diagnostic current to the three-phase motor, and thereafter, outputs a connection diagnostic signal to a current instruction switching unit to apply a diagnostic current. Then, in order to apply a diagnostic current to the other two phases, the three-phase motor is placed in a position at an angle that causes no torque generation upon second application of a diagnostic current, and a diagnostic current is thereafter applied. When a diagnostic current is applied twice and in the case where no defect in connection is detected in either application, it is determined that connection is normal. Meanwhile, in the case where connection is detected once or twice, it is determined that connection is defective.
H02H 3/04 - Circuits de protection de sécurité pour déconnexion automatique due directement à un changement indésirable des conditions électriques normales de travail avec ou sans reconnexion Détails avec signalisation ou supervision additionnée à la déconnexion, p. ex. pour indiquer que l'appareil de protection a fonctionné
H02K 11/21 - Dispositifs pour détecter la vitesse ou la position, ou actionnés par des valeurs de ces variables
G01R 31/50 - Test d’appareils, de lignes, de câbles ou de composants électriques pour y déceler la présence de courts-circuits, de continuité, de fuites de courant ou de connexions incorrectes de lignes
A machine tool includes a headstock that holds a workpiece, a tool post that is movable in a first axis direction parallel to a workpiece rotation axis and in a second axis direction orthogonal to the first axis and holds a tool, an in-machine robot, an opening for communicating the inside and the outside of a working chamber, and a door that opens and closes the opening. The robot includes a root joint fixed in the working chamber and a link unit positioned on a distal end side of the root joint. The root joint is a linear-motion joint extendable in a direction orthogonal to the workpiece rotation axis, and is a linear-motion joint extendable between the length for causing the entire link unit to be positioned inside the working chamber and the length for causing the entire link unit to be positioned outside the working chamber.
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
B23Q 1/01 - Bâtis, bancs, colonnes ou éléments similairesAgencement des glissières de guidage
B23Q 1/44 - Supports mobiles ou réglables d'outils ou de pièces utilisant des mécanismes particuliers
B23Q 7/04 - 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 pinces
B25J 9/06 - Manipulateurs à commande programmée caractérisés par des bras à articulations multiples
66.
Vibration control device and method using adjustable command filter and adjustable servo-amplifier
There are disclosed a vibration control device and a vibration control method that control shaft torsional vibration and machine stand vibration without installing a special sensor or measurement instrument. A vibration control device includes an amplification factor change unit that changes an amplification factor of an amplification unit used for amplifying a deviation between a command value and a detection value in a servo amplifier, a vibration detection unit that measures the frequency and the amplitude of vibration superimposed on a moving part, and a filter change unit that changes a filter based on the frequency and the amplitude detected by the vibration detection unit.
G05D 19/02 - Commande des oscillations mécaniques, p. ex. de l'amplitude, de la fréquence, de la phase caractérisée par l'utilisation de moyens électriques
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
67.
Feed axis diagnostic device and diagnostic method for machine tool
A feed axis diagnostic device for a machine tool is provided. The machine tool machines a workpiece while driving a moving body with feed axes along a guide surface of a rolling guide mechanism. The feed axis diagnostic device includes a feed axis diagnostic unit configured to detect an abnormality in the rolling guide mechanism in the machine tool. The feed axis diagnostic unit is configured to acquire a feed speed during non-machining and a load applied to the feed axes at the feed speed. The abnormality is detected based on an approximate function calculated from relationships between a plurality of the feed speeds and a plurality of the loads acquired under a plurality of different feed speed conditions in a predetermined period.
An error measurement method for a machine tool measures an error in a machine tool that includes two or more translational axes, a table, and a spindle head. The error measurement method includes installing a masterwork having a plurality of targets on the table and detecting a position of each of the targets using a sensor mounted to the spindle head to acquire a measured value regarding the position of each of the targets and to acquire an error value regarding the position of each of the targets using each of the acquired measured values and a preliminarily acquired calibration value regarding the position of each of the targets. The error measurement method further includes calculating at least one disturbance index value indicative of a degree of disturbance in the measurement for each of the targets, and determining whether the disturbance index value exceeds a preliminarily set threshold.
B23Q 15/24 - Commande ou régulation de la position de l'outil ou de la pièce de la position linéaire
B23Q 17/22 - Agencements sur les machines-outils pour indiquer ou mesurer pour indiquer ou mesurer la position réelle ou désirée de l'outil ou de la pièce
National University Corporation Tokai National Higher Education and Research System (Japon)
OKUMA CORPORATION (Japon)
MURATA MACHINERY, LTD. (Japon)
Inventeur(s)
Hayasaka, Takehiro
Nam, Soohyun
Shamoto, Eiji
Abrégé
A rotation mechanism rotates a spindle to which a cutting tool or a workpiece is attached. A rotation controller controls the rotation of the spindle by the rotation mechanism. A feed mechanism moves the cutting tool relative to the workpiece. The rotation controller alternately exercises acceleration control under which the rotation of the spindle is accelerated to make a speed fluctuation ratio between the current cutting speed and a cutting speed one rotation before at the same rotation position equal to or greater than the first value that is greater than 1 and deceleration control under which the rotation of the spindle is decelerated to make the speed fluctuation ratio equal to or less than the second value that is less than 1.
B23B 1/00 - Méthodes de tournage ou méthodes de travail impliquant l'utilisation de toursUtilisation d'équipements auxiliaires en relation avec ces méthodes
B23Q 15/12 - Commande auto-adaptative, c.-à-d. s'ajustant elle-même de façon à procurer le meilleur rendement en fonction de critères fixés au préalable
70.
Abnormality diagnostic method and abnormality diagnostic device for feed axis device
An abnormality diagnostic method for a feed axis device that diagnoses an abnormality of the feed axis device including a screw shaft and a nut, the feed axis device being incorporated in mechanical equipment, the abnormality diagnostic method includes controlling an operation of the feed axis device such that the screw shaft operates in a predetermined operating pattern, detecting a physical quantity signal generated from the feed axis device, and performing an abnormality diagnosis for the feed axis device based on the physical quantity signal detected by the detecting in accordance with a predetermined abnormality diagnosis algorithm. The performing includes performing a frequency analysis on the physical quantity signal to extract respective frequencies corresponding to a plurality of operating positions in the operating pattern and performing the abnormality diagnosis based on change of the frequencies corresponding to the respective operating positions.
A monitoring device of a main spindle rotation speed in a machine tool displays a variation state of the rotation speed by a rotation speed variation unit using a display unit in the machine tool. The monitoring device includes a variation value setting unit, a drawing unit, a first display unit, and a settable range calculating unit. The settable range calculating unit is configured to calculate a settable range of a variation amplitude and a variation cycle based on a calculation formula. The calculation formula includes the variation cycle, a difference between a first rotation speed and a second rotation speed at mutually different timings among the rotation speeds varied relative to a reference rotation speed, an inertia of a rotating body, a rated output of a motor that drives a main spindle, and a usage proportion to the rated output of the motor.
A monitoring device of a main spindle rotation speed in a machine tool displays a variation state of the rotation speed by a rotation speed variation unit using a display unit in the machine tool. The monitoring device includes a drawing unit, a variation position display unit, and a reduction effect index display unit. The drawing unit is configured to display a variation diagram that illustrates a relationship between a variation amplitude and a variation cycle of the rotation speed. The reduction effect index display unit is configured to display a reduction effect index on the variation diagram. The reduction effect index represents a reduction effect of chatter vibration. The reduction effect index is calculated based on a speed ratio that is a ratio of a rotation speed of one rotation before to a rotation speed at an identical rotation position of the main spindle at any given timing.
A correction value measurement method includes, measuring a position of a reference sphere, calculating a relative position of the reference sphere with respect to a sensing position from the position of the reference sphere, a length of the position measurement sensor, and a length of the reference tool. The method further includes acquiring a reference tool position as a distal end position of the reference tool using, calculating a length direction correction value of the position measurement sensor from the reference tool position, the position of the reference sphere, the relative position, and a length of the reference tool, and measuring the position of the reference sphere to calculate a radial direction correction value of the position measurement sensor.
G01B 11/00 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques
G01B 5/008 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer les coordonnées de points en utilisant des machines de mesure de coordonnées
74.
Error compensation method for machine tool and machine tool
An error compensation method includes outputting at least one of a plurality of calibration-master conditions including a type of a calibration master that includes targets, obtaining measurement values of positions of the targets by detecting the positions of the plurality of targets under the calibration-master condition using a sensor mounted to the main spindle, and calculating an error value using the measurement value and a calibration value of the position of the target. The error compensation method further includes approximating a relation between the measurement values and the error values by a curve and a straight line, calculating a compensation parameter of a positioning error of a translational axis based on an approximate curve in a partial range of a stroke of the translational axis, and calculating the compensation parameter of the positioning error based on an approximate straight line in another range of the stroke of the translational axis.
G05B 19/4155 - 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 déroulement du programme, c.-à-d. le déroulement d'un programme de pièce ou le déroulement d'une fonction machine, p. ex. choix d'un programme
75.
Position measurement method and position measurement system of object in machine tool, and computer-readable recording medium
A position measurement method includes, acquiring a sensing position of a distal end of a reference tool, measuring and acquiring a position of a machined surface, The method further includes measuring a position of a reference block disposed on a side of the tool sensor and calculating a relative position of the reference block to the sensing position from the sensing position and the position of the reference block, mounting the position measurement sensor to the main spindle and measuring a position of the reference block, calculating a length direction correction value of the position measurement sensor from the position of the reference block measured in the mounting of the position measurement sensor and the relative position, and measuring the object by the position measurement sensor and correcting a measurement position of the object.
G01B 5/008 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer les coordonnées de points en utilisant des machines de mesure de coordonnées
G01B 5/02 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer la longueur, la largeur ou l'épaisseur
76.
Main spindle monitoring device and main spindle monitoring method of machine tool
A main spindle monitoring device determines an abnormality of a main spindle in a machine tool. The main spindle monitoring device includes a main spindle operation monitoring unit and a feed axis operation monitoring unit. The main spindle operation monitoring unit monitors a change of an operation condition of the main spindle based on a main spindle load. The feed axis operation monitoring unit monitors a change of an operation condition of a feed axis based on a feed axis load. The abnormality of the main spindle is determined when the main spindle operation monitoring unit detects the change of the operation condition of the main spindle and the feed axis operation monitoring unit does not detect the change of the operation condition of the feed axis in a state where a constant rotation speed is commanded to the main spindle while the feed axis is driving.
B23Q 15/12 - Commande auto-adaptative, c.-à-d. s'ajustant elle-même de façon à procurer le meilleur rendement en fonction de critères fixés au préalable
77.
Tool cutting edge measuring device and machine tool
A tool cutting edge measuring device that is mounted on a horizontal lathe and multitasking machine includes contact type sensors and an arm. The sensors are configured to measure cutting edge positions of tools in a machining chamber and the arm is movable between an advance position and a retracted position. The arm advances into the machining chamber at the advance position and retracts from the machining chamber at the retracted position. The arm has distal ends provided with two branching units branched into the X-axis direction and the Z-axis direction at the advance position and the sensors are mounted to the respective branching units.
G01B 5/012 - Têtes de contact de palpeurs pour de telles machines
B23B 49/00 - Systèmes de mesure ou de calibrage des machines à aléser, pour le positionnement ou le guidage du foretDispositif pour indiquer les défauts des forets pendant l'alésageDispositifs à centrer les trous à aléser
Provided is an automated pallet changer in machine tool which enable miniaturization and cost reduction. A drive unit in the automatic pallet changer includes a planetary reduction gear. The planetary reduction gear has a first output shaft and a second output shaft in which, by fixing one of the first and second output shaft, the other functions as an output shaft for driving. The first output shaft is used to pivot the pivoting frame, and the second output shaft is used to move the carry-in/out arm back and forth.
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
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 5/34 - Avance par transmission mécanique des autres organes supportant les outils ou les pièces, p. ex. avance des traînards, des glissières d'outils
79.
Relearning necessity determination method and relearning necessity determination device of diagnostic model in machine tool, and computer readable medium
A relearning necessity determination method is provided for determining a necessity of relearning of a learned diagnostic model in a machine tool including a machining abnormality diagnosing unit. The machining abnormality diagnosing unit determines normal or abnormality of machining using the diagnostic model generated through machine learning. The method includes storing a cumulative cutting time or a cumulative cutting distance of a tool mounted to the machine tool as a tool usage, storing the tool usage when the machining abnormality diagnosing unit diagnoses the machining as machining abnormality, and determining the necessity of the relearning of the diagnostic model based on a frequency distribution of the tool usage stored in the storing of the tool usage.
G05B 19/18 - 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
G05B 19/4065 - Contrôle du bris, de la vie ou de l'état d'un outil
80.
Data collection system for machine learning and a method for collecting data
A data collection system includes a classification model storing unit, a model delivery unit, a classification result storing unit, an optimum model recommendation unit, and a teacher data recording unit. The model delivery unit delivers a classification model to the user environment. The classification result storing unit classifies each of the classification models on the classification model storing unit using data with a label transmitted from the user environment as an input. The classification result storing unit stores a classification result including at least one of classification correctness or a percentage of correct answers for each input data. The optimum model recommendation unit presents an appropriate classification model for the input data based on the classification result for each of the classification models. The teacher data recording unit records the input data as teacher data or test data of the classification model.
G05B 19/18 - 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
81.
Position measurement method and position measurement system for object in machine tool
A position measurement method for an object in a machine tool measures a position of an object with a probe using a machine tool. The machine tool includes three or more translational axes, a rotatable main spindle, and a table. The probe is a position measurement sensor mountable to the main spindle. The position measurement method includes preliminarily obtaining compensation values of contact positions in a radial direction of the probe in at least two directions where main spindle rotation angles are different by 180°, determining the main spindle rotation angle at a contact with a measurement surface of the object corresponding to the measurement content, and calculating a measurement value of the position of the object from a position of the probe at the contact with the measurement surface and the compensation value in accordance with the determined main spindle rotation angle.
G01B 5/008 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer les coordonnées de points en utilisant des machines de mesure de coordonnées
G01B 5/12 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer des diamètres des diamètres intérieurs
A work table includes a baseplate, a plurality of levers, a clamp plate, a lock mechanism, and an unlocking mechanism. The plurality of levers are disposed on a concentric circle on the baseplate. Guide bars protrude upward from the plurality of levers. The plurality of levers are each disposed to be movable in a radial direction of the circle. The clamp plate is placed on top surfaces of the levers. The clamp plate has elongated holes in the radial direction through which the guide bars penetrate. The lock mechanism urges the clamp plate downward such that the respective levers are fixed in a manner sandwiched between the baseplate and the clamp plate. The unlocking mechanism releases the fixing of the respective levers by the lock mechanism.
B25B 11/00 - Porte-pièces ou dispositifs de mise en position non couverts par l'un des groupes , p. ex. porte-pièces magnétiques, porte-pièces utilisant le vide
B23Q 1/01 - Bâtis, bancs, colonnes ou éléments similairesAgencement des glissières de guidage
B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires
A three-dimensional shape processing method processes a workpiece into a predetermined three-dimensional shape by cutting work and additive manufacturing. The method includes forming a target surface for the additive manufacturing to be larger than a shape dimension of the three-dimensional shape, performing the additive manufacturing on the target surface that has been largely formed, and performing the cutting work on a region where the additive manufacturing has been performed to complete the three-dimensional shape.
B29C 64/188 - Procédés de fabrication additive impliquant des opérations supplémentaires effectuées sur les couches ajoutées, p. ex. lissage, meulage ou contrôle d’épaisseur
A window function calculator applies a Hann window function to Vd (n) to obtain a numeric value Vw (n). For twenty successive numeric values Vw(n) for every twenty numeric values (N=20), each of the Fourier calculators to executes Fourier calculation. Further, the SRSS calculators to calculate square root of sum of squares of SIM and COS components of respective orders of the results of Fourier calculation as numeric values A2, A3, A4, A5. A subtractor calculates a numeric value Ci=A3−A5, while a subtractor calculates a numeric value Si=A4−A2. A Frequency calculator calculates a numeric value Fi=(m+1+2*A TAN 2 (Ci, Si)/π)/(NT), which indicates the frequency identified. An amplitude calculator doubles the square root of the sum of squares of the numeric values Ci and Si, and calculates a numeric value Ai that indicates the amplitude of the frequency identified.
A moisture intrusion detection system includes: an industrial robot that has a closed space defined thereinside; an air supply mechanism that supplies compressed air to the closed space; an air vent passage that is provided in the industrial robot to establish communication between an external space outside the industrial robot and the closed space, and guides, to the external space, air ejected from the closed space upon supply of the compressed air; a humidity sensor that detects a humidity of ejected air that is ejected from the air vent passage to the external space upon supply of the compressed air; and a controller that determines presence or absence of moisture intruding into the closed space based on a detected humidity of the ejected air, the detected humidity being detected by the humidity sensor.
G01N 27/60 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant les variables électrostatiques
f that have a plurality of rows of pallet placement portions, each having a plurality of stages, and are disposed to face the machine tool body 1; and three rows of secondary housing portions 14 that have one stage of pallet placement portions and are disposed above the machine tool body 1.
B23Q 1/66 - Tables de travail pouvant être interchangées pour être mises en position de travail
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
A machine tool includes a lower tool post for holding a cutting tool, a tool main spindle for holding a cutting tool, a storage unit capable of storing the cutting tool, an exchange mechanism for exchanging the cutting tools between the tool main spindle and the storage unit, an inside robot for exchanging the cutting tools between the lower tool post and the tool main spindle, and a controller. The controller performs control such that the cutting tools are exchanged between the lower tool post and the storage unit via the inside robot, the tool main spindle, and the exchange mechanism.
B23Q 3/155 - Agencements pour insérer ou retirer automatiquement les outils
B23Q 3/157 - Agencements pour insérer ou retirer automatiquement les outils les outils rotatifs
B23Q 11/00 - Accessoires montés sur les machines-outils pour maintenir les outils ou les organes de la machine dans de bonnes conditions de travail ou pour refroidir les pièces travailléesDispositifs de sécurité spécialement combinés aux machines-outils, disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines
88.
Thermal displacement correction method and thermal displacement correction apparatus of machine tool
A thermal displacement correction method is provided, including a first step of setting an initial tool temperature, a second step of estimating a temperature of a tool or a position measurement sensor based on the initial tool temperature and a temperature of a spindle, a third step of estimating an amount of thermal displacement of the tool or the position measurement sensor with a preliminarily set tool thermal displacement estimation formula based on the estimated temperature, and a fourth step of moving a feed shaft of the machine tool based on the estimated amount of thermal displacement to perform a correction. In the second step, the temperature of the spindle is measured, then a tool-mounted portion temperature of the spindle is estimated from the measured temperature.
B23Q 3/155 - Agencements pour insérer ou retirer automatiquement les outils
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
B23Q 11/00 - Accessoires montés sur les machines-outils pour maintenir les outils ou les organes de la machine dans de bonnes conditions de travail ou pour refroidir les pièces travailléesDispositifs de sécurité spécialement combinés aux machines-outils, disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines
A power calculation apparatus includes a power measurement unit configured to measure alternating-current electric power input to a converter unit to obtain measured power, power consumption estimation units configured to estimate power consumption on motor axes of corresponding motors, respectively, using parameters concerning the motors, to obtain estimated power for each motor axis, and a power consumption calculation unit configured to distribute the measured power obtained by measurement according to a ratio in accordance with the estimated power obtained by estimation to calculate power consumption for each motor axis.
G01R 21/133 - Dispositions pour procéder aux mesures de la puissance ou du facteur de puissance en utilisant des techniques numériques
H02P 23/14 - Estimation ou adaptation des paramètres des moteurs, p. ex. constante de temps du rotor, flux, vitesse, courant ou tension
H02M 5/42 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant alternatif, p. ex. pour changement de la tension, pour changement de la fréquence, pour changement du nombre de phases avec transformation intermédiaire en courant continu par convertisseurs statiques
G05B 19/4155 - 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 déroulement du programme, c.-à-d. le déroulement d'un programme de pièce ou le déroulement d'une fonction machine, p. ex. choix d'un programme
A numerical control apparatus of a machine tool that performs tapping, includes a numerical control, an acceleration learning block, an acceleration/deceleration processing unit that applies an acceleration/deceleration process to the command acceleration and the position command value to calculate a post-acceleration/deceleration position command value, a position control unit that calculates a speed command value based on the post-acceleration/deceleration position command value, a speed/torque control unit that calculates a motor torque command value from the speed command value, and a current control unit that calculates a motor current value of a spindle motor from the motor torque command value. The acceleration learning block outputs, as the command acceleration A, an initial command acceleration A[0] which is smaller than the calculated command acceleration, in accordance with a state quantity of the spindle motor, to the acceleration/deceleration processing unit.
G05B 19/416 - 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 commande de vitesse, d'accélération ou de décélération
G05B 19/18 - 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
A machine tool equipped with a robot includes a stocker which has one or more effector holder units for holding an end effector to be mounted on the robot, in which the stocker can be stored within a casing of the machine tool. At least a part of the stocker is configured to be bilaterally advanceable into a machining chamber of the machine tool and an external region located outside the machine tool.
B23Q 3/155 - Agencements pour insérer ou retirer automatiquement les outils
B23Q 11/08 - Protecteurs pour des parties des machines-outilsCapots antiprojections
B25J 15/04 - Têtes de préhension avec possibilité pour l'enlèvement ou l'échange à distance de la tête ou de parties de celle-ci
B23Q 17/00 - Agencements sur les machines-outils pour indiquer ou mesurer
B23Q 11/00 - Accessoires montés sur les machines-outils pour maintenir les outils ou les organes de la machine dans de bonnes conditions de travail ou pour refroidir les pièces travailléesDispositifs de sécurité spécialement combinés aux machines-outils, disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines
A machine tool system is disclosed which can shorten time required for generating a robot program even for a machine tool user who has no experience in using a robot. A machine tool controller includes an operation panel and an interactive program generator, and sets an operation parameter of the robot using a template screen prepared for each stylized operation of the robot. The interactive program generator generates a robot preprogram using the set operation parameter, reads the robot preprogram during execution of a machine tool program, and transfers the program to a robot preprocessor. The robot preprocessor interprets the robot preprogram and outputs a control command to a robot controller.
A cooling liquid feeder for feeding a cooling liquid into a cooling liquid hole defined in a tool includes a first connector disposed on a turret which retains the tool, a first flow channel for directing the cooling liquid from the first connector to the cooling liquid hole, a robot installed in a machining chamber and equipped with an end effector, a second connector disposed on the end effector and configured to be detachably attached to the first connector in a liquid tight manner, and a second flow channel for directing the cooling liquid from a source of the cooling liquid to the second connector, in which the robot is actuated to attach the second connector to the first connector for feeding the cooling liquid into the cooling liquid hole.
A machine tool is disclosed which continues monitoring even when there is an obstacle such as swarf or a cutting fluid between a machining portion to be monitored and a visual sensor. A visual sensor is attached to an in-machine robot which is movable in a machine tool. A controller operates the visual sensor while judging influences of the swarf and the cutting fluid, automatically judges an orientation experiencing less influence, and executes monitoring from an optimum direction.
B23Q 11/00 - Accessoires montés sur les machines-outils pour maintenir les outils ou les organes de la machine dans de bonnes conditions de travail ou pour refroidir les pièces travailléesDispositifs de sécurité spécialement combinés aux machines-outils, disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines
A machine tool is disclosed which can suppress resonance of an in-machine robot even when vibration occurs during machining of a workpiece. Vibration of the in-machine robot is detected by a vibration sensor of the in-machine robot. When the vibration of the in-machine robot becomes greater than or equal to a threshold during machining of the workpiece, a controller changes a natural frequency of the in-machine robot by exchanging an end effector of the in-machine robot or by changing an orientation of the in-machine robot, to thereby suppress resonance of the in-machine robot.
A robot unit includes a robot main body that is an arm-type robot including multiple links connected to one another via at least one joint, and one or more protective housings that cover and protect at least a portion of a circumferential surface of one or more of the multiple links. One or more fastening portions that attach and detach the protective housing are provided on a circumferential surface of the one or more of the multiple links.
B25J 19/00 - Accessoires adaptés aux manipulateurs, p. ex. pour contrôler, pour observerDispositifs de sécurité combinés avec les manipulateurs ou spécialement conçus pour être utilisés en association avec ces manipulateurs
The collecting mechanism includes a holding unit and a controller. The holding unit has a pair of arms, and can sandwich a machined portion with the pair of arms. The holding unit can be switched between a holding state and a standby state. In the holding state, the pair of arms is closed to be in contact with the circumferential surface of the machined portion to sandwich the machined portion. In the standby state, the pair of arms is opened so as to stay near the circumferential surface of the machined portion with a space between the arms and the circumferential surface of the machined portion. The controller monitors whether cutting-off of the machined portion has been completed to keep the holding unit in the standby state before completion of the cutting-off and to switch the holding unit from the standby state to the holding state at the time of completion of the cutting-off.
B23Q 17/09 - Agencements sur les machines-outils pour indiquer ou mesurer pour indiquer ou mesurer la pression de coupe ou l'état de l'outil de coupe, p. ex. aptitude à la coupe, charge sur l'outil
G05B 19/19 - 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 systèmes de commande de positionnement ou de commande de contournage, p. ex. pour commander la position à partir d'un point programmé vers un autre point ou pour commander un mouvement le long d'un parcours continu programmé
A torque ripple and a position error caused by an offset error of the current sensor affects an electrical angle frequency of a motor. In an apparatus of the present disclosure, a computation device executes a power spectrum computing process when a three-phase alternating current motor is at a constant speed, and a value obtained by subtracting a position command value from a position detected by a position detector is fast Fourier transformed, to compute a power spectrum of a position error signal at the electrical angle frequency. Then, the computation device executes an offset correction computing process, to evaluate the power spectrum and to update an offset correction amount. By repeatedly executing these processes when the three-phase alternating current motor is driven at a constant speed, the torque ripple and position error caused by the offset error are reduced.
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