The invention relates to a method for treating the surface of a shaped part manufactured in an additive method and to be dyed with a dye, wherein the surface of the shaped part consists at least in sections of a material which has dye binding points, wherein in a homogenisation step, the dye binding points on the surface are at least partially shielded, wherein as a result of the at least partial shielding of the dye binding points, the binding of the dye is at least partially prevented at the at least partially shielded dye binding points. The invention also relates to a dying method in which the surface of the shaped part is treated in accordance with the invention.
A method is provided for treating a surface of a molded part produced in a 3D printing method. In the method, the molded part is introduced into a pressure-tight container, negative pressure, preferably a vacuum to a large extent, is generated in the container after introducing the molded part, a solvent is heated up to a specified solvent temperature, and the heated solvent is introduced from a solvent container into the container under negative pressure. In such a method, the temperature of the molded part is lower than the solvent temperature, and the solvent is evaporated or is introduced as a vapor upon being introduced, the solvent vapor condensing on the surface of the molded part. Also provided is a device for carrying out the method.
The invention relates to a plastic blasting agent A and the use of a plastic blasting agent A, comprising at least one particle PA1 made from at least one polymer KA1 and at least one foreign particle FA1 for the surface treatment of a component that was created using additive manufacturing.
Various examples of the disclosure relate to a blast machine having a process chamber. A tumble belt, for example, can be arranged in the process chamber. Techniques for venting the process chamber are described. Techniques for fastening the tumble belt are described. Techniques for operating blasting nozzles are described.
The invention relates to a method for operating a control logic of a blasting system (100), the blasting system (100) comprising at least one blasting nozzle (111) for blasting blasting material (91) into a process chamber (110) of the blasting system (100), wherein at least one component (90) can be arranged in the process chamber (110), wherein the blasting material (91) is supplied to the at least one blasting nozzle (111) from a blasting material exchange container (200) via a blasting material circuit (180, 181-185) of the blasting system (100), and wherein the method comprises: —receiving (3010) control data (70) from a logic element (201) of the blasting material exchange container (200) which is detachably arranged in the blasting material circuit (180, 181-185), and—operating (3015) the blasting system (100) on the basis of the control data (70).
The invention relates to techniques for separating different types of particles (81, 82) by means of a separating device (160), the separating device (160) using the principle of electrostatic separation. The particles (81, 82) are obtained in connection with the processing of additively manufactured plastic components (90).
The invention relates to a method for treating an additively manufactured molding part and to a product, comprising a molding part, which was produced by additive manufacturing.
B29C 64/188 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
B29C 71/00 - After-treatment of articles without altering their shapeApparatus therefor
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
The invention relates to a method for treating a surface of a molded part produced according to a 3D printing method using a plastics material, wherein a solvent selected from the group consisting of halogen-free and non-polar hydrocarbons and derivatives thereof and/or a solvent selected from the group consisting of bio-based solvents is applied to the surface of the molded part. The invention also relates to a device for treating a surface according to the method according to the invention.
A method for removing residual powder (82, 83) of an additive manufacturing process from plastic components (109) and/or for compacting the surface of plastic components (109) comprises actuating (3005) at least one heating element (151) of a blasting system (100) to heat (3105, 3115) the plastic components (109) when they are arranged in a process chamber (101) of the blasting system (100). The method further comprises actuating (3010) a blasting device (121, 125, 126, 127) of the blasting system (100) to blast (3110) the plastic components (109) with abrasive medium and/or actuating (3010) a movement apparatus (101) of the blasting system (100) to move the plastic components (109) in order thus to detach the residual powder (82, 83) from a surface of the plastic components (109) and/or to compact the surface of the plastic components.
A method is provided for treating the surface of a shaped melded part produced with a plastic having ester, ketone and/or ether bonds. The plastic is selected from the group including a polymer, copolymer, polymer blend and combinations of the same. The method includes a pretreatment step for cationically modifying the surface of the melded shaped part. The cationic modification is carried out with a reactant dissolved in a solvent and having one or more amine, imine and/or amide groups.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
D06P 1/36 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using mordant dyes
D06P 1/39 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using acid dyes
D06P 1/44 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
D06P 1/90 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using dyes dissolved in organic solvents or aqueous emulsions thereof
D06P 1/92 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using dyes dissolved in organic solvents or aqueous emulsions thereof in organic solvents
D06P 3/00 - Special processes of dyeing or printing textiles or dyeing leather, furs or solid macromolecular substances in any form, classified according to the material treated
The invention relates to a method for treating a component with blasting abrasives and also to a shaped body produced using the method according to the invention. Furthermore, the invention relates to a blasting system and also to the use of the blasting system according to the invention for the method according to the invention.
B24C 11/00 - Selection of abrasive materials for abrasive blasts
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
B24C 1/08 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods for polishing surfaces, e.g. by making use of liquid-borne abrasives
B24C 1/10 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
The invention relates to a plastic blasting medium A and to the use of a plastic blasting medium A, comprising at least one particle PA1 made of at least one polymer KA1 and at least one foreign particle FA1 for the surface treatment of a component which has been produced by means of additive manufacturing.
B24C 1/10 - Methods for use of abrasive blasting for producing particular effectsUse of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
The invention relates to a modular support frame (10) for storing components in a process chamber. Advantageously, the modular support frame comprises a plurality of modular, detachable storage planes (30) which can be connected to the base frame and on which components having various designs can be stored in the process chamber. The support frame at least partially comprises a thermally insulating and anti-adhesive surface coating.
A method is provided for dyeing a molded part produced in a 3D printing process with a polymer. The method includes a dyeing step for dyeing the surface of the molded part with a dye, and a first post-treatment step for fixing the dye which has penetrated the surface of the molded part. Optionally, a second post-treatment step can be carried out in order to achieve even better fixing of the dye which has penetrated the surface of the molded part.
Various examples of the disclosure relate to a blast machine having a process chamber. A tumble belt for example can be arranged in the process chamber. The document describes methods for ventilating the process chamber. The document describes methods for attaching the tumble belt. The document describes methods for operating blasting nozzles.
The invention relates to a method for operating a control logic of a blasting system (100), the blasting system (100) comprising at least one blasting nozzle (111) for blasting blasting material (91) into a process chamber (110) of the blasting system (100), wherein at least one component (90) can be arranged in the process chamber (110), wherein the blasting material (91) is supplied to the at least one blasting nozzle (111) from a blasting material exchange container (200) via a blasting material circuit (180, 181-185) of the blasting system (100), and wherein the method comprises: - receiving (3010) control data (70) from a logic element (201) of the blasting material exchange container (200) which is detachably arranged in the blasting material circuit (180, 181-185), and - operating (3015) the blasting system (100) on the basis of the control data (70).
B24C 9/00 - Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
B24C 3/04 - Abrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other stationary
18.
Device and method for surface smoothing additively manufactured shaped parts consisting of plastic
A method is provided for surface smoothing an additively manufactured shaped part consisting of plastic. The method has an explosion step with which the surface of the shaped part is smoothed in a process chamber by igniting a combustible process gas introduced into the process chamber, the surface of the shaped part being partly dissolved in at least some sections by the ignited process gas. Also provided is a device for surface smoothing additively manufactured shaped parts consisting of plastic.
The invention relates to a method for treating a surface of a moulded part produced according to a 3D printing method using a plastic, wherein a solvent selected from the group consisting of halogen-free and non-polar hydrocarbons and derivatives thereof and/or a solvent selected from the group consisting of bio-based solvents is applied to the surface of the moulded part. The invention also relates to a device for treating a surface according to the claimed method.
The invention relates to a method for treating the surface of a moulded part produced with a plastic having ester, ketone and/or ether bonds, wherein the plastic is selected from the group comprising a polymer, copolymer, polymer blend and combinations thereof, wherein the method comprises a pre-treatment step (VS) for cationically modifying the surface of the moulded part. The cationic modification is carried out with a reactant dissolved in a solvent and having one or more amine, imine and/or amide groups.
A method is provided for treating a surface of a molded part produced in a 3D printing method. In the method, the molded part is introduced into a pressure-tight container (20), negative pressure, preferably a vacuum to a large extent, is generated in the container after introducing the molded part, a solvent is heated up to a specified solvent temperature, and the heated solvent is introduced from a solvent container (40) into the container under negative pressure. In such a method, the temperature of the molded part is lower than the solvent temperature, and the solvent is evaporated or is introduced as a vapor upon being introduced, the solvent vapor condensing on the surface of the molded part. Also provided is a device for carrying out the method.
The invention relates to a method for dyeing a moulded part produced in a 3D printing process with a polymer, said method comprising: - a dyeing step for dyeing the surface of the moulded part with a dye; and - a first post-treatment step for fixing the dye which has penetrated the surface of the moulded part. Optionally, a second post-treatment step can be carried out in order to achieve better fixing of the dye which has penetrated the surface of the moulded part.
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
B29C 64/00 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
The invention relates to a process and a device for treating the surface of shaped parts produced from plastic in a 3D printing process, wherein the surface of the shaped part is smoothed and coloured, and wherein - in order to smooth the surface of the shaped part, the surface of the shaped part is brought into contact with a fluid or gaseous medium (M1) which solvates the surface of the shaped part, as a result of which the surface of the shaped part is smoothed and homogenised without removal of material, and - in order to colour the surface of the shaped part, a dye is introduced into the material of the surface of the shaped part by means of a fluid or gaseous carrier medium (M2).
The invention relates to a method for surface smoothing an additively manufactured shaped part (5) consisting of plastic, said method comprising an explosion step with which the surface (10) of the shaped part (5) is smoothed in a process chamber (31) by igniting a combustible process gas introduced into said process chamber (31), the surface of the shaped part being partly dissolved in at least some sections by the ignited process gas. The invention also relates to a device (30) for surface smoothing additively manufactured shaped parts consisting of plastic.
The invention relates to a method for treating the surface of a molded part (10) produced in a 3D printing method, wherein: (a) the molded part (10) is introduced into a pressure-tight container (20), (b) negative pressure, preferably a vacuum to a large extent, is generated in the container after introducing the molded part (10), (c) a solvent is heated up to a specified solvent temperature, and (d) the heated solvent is introduced from a solvent container (40) into the container under negative pressure, wherein the temperature of the molded part (10) is lower than the solvent temperature, and the solvent is evaporated or is introduced as a steam upon being introduced, said solvent steam condensing on the surface of the molded part (10). The invention additionally relates to a device for carrying out the method according to the invention.
A method is provided for treating a surface of a molded part, produced in a 3D printing method, with a surface treatment means, wherein holding means are arranged on the molded part which enable a treatment of the surface in a treatment chamber, without the surface making contact with the walls of the treatment chamber. A corresponding method for producing a molded part in a 3D printing method is also provided, as well as the corresponding dataset for controlling a 3D printer, and a computer program product which determines a number of holding means on the basis of the geometry data of the molded part.
B33Y 30/00 - Apparatus for additive manufacturingDetails thereof or accessories therefor
B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
27.
Device and method for treating the surfaces of moulded parts
A device and method is provided for treating surfaces, in particular for colouring moulded parts, said device comprising a container for receiving moulded parts and a first cover. The container can be closed, preferably, by using the first cover. A system is also provided for introducing liquid and/or powdery surface treatment agents into an inner chamber of the closed container. The system comprises a capsule in which the surface treatment agents which are to be introduced are accommodated.
B05C 3/00 - Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
B05C 3/109 - Passing liquids or other fluent materials into or through chambers containing stationary articles
B05C 3/04 - Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material with special provision for agitating the work or the liquid or other fluent material
B05C 19/04 - Apparatus specially adapted for applying particulate materials to surfaces the particulate material being projected, poured or allowed to flow onto the surface of the work
The invention relates to a method for treating a surface (12) of a moulded part (10), produced in a 3D printing method, with a surface treatment means, wherein holding means (15) are arranged on the moulded part (10) which enable a treatment of the surface (12) in a treatment chamber, without the surface (12) making contact with the walls of the treatment chamber. The invention further relates to a corresponding method for producing a moulded part (10) in a 3D printing method, the corresponding dataset for controlling a 3D printer, and a computer program product which determines a number of holding means (15) on the basis of the geometry data of the moulded part (10).
A method is provided for impregnating moulded articles which are manufactured in a powder-based manufacturing or printing process (3D printing process) with a liquid and/or sprayable impregnating agent, wherein the impregnating agent has from 25 to 99% by weight of a solvent or solvent mixture and fractions adding up to 100% by weight of a plastic or plastic mixture which can be dissolved in the solvent or solvent mixture, in each case in relation to the overall composition of the impregnating agent, and wherein - the impregnating agent is applied to the surface to be impregnated of the moulded article, and - after the application of the impregnating agent, the impregnated surface is dried. Furthermore, an impregnating agent for impregnating moulded articles and a moulded article which is impregnated with an impregnating agent according to the invention are provided.
B05D 1/00 - Processes for applying liquids or other fluent materials
B05D 5/00 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
B05D 7/02 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
B05D 7/16 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
B29C 67/00 - Shaping techniques not covered by groups , or
C09D 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
30.
DEVICE AND METHOD FOR TREATING THE SURFACES OF MOULDED PARTS
The invention relates to a device for treating surfaces, in particular for colouring moulded parts, said device comprising a container (25) for receiving said moulded parts, a first cover (15), said container (25) can be closed preferably, by means of the first cover (15), and a system for introducing liquid and/or powdery surface treatment agents into an inner chamber (26) of the closed container (25). The system comprises a capsule (5) in which the surface treatment agents which are to be introduced, are accommodated.
B05C 3/02 - Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
The invention relates to a method for treating surfaces of plastic objects, wherein in a dying step - a mixture of dyes is produced, wherein a dye (e.g. a metal complex dye) is dissolved in a solvent, wherein between 0.05 g and 50 g of the dye is added to each liter of solvent - the dye mixture is heated to a dying temperature of between 60 °C and 180 °C and - the plastic objects are placed in the heated dye mixture for a period of between 5 minutes and 6 hours for dying. The invention further relates to a plastic object, in particular a polyamide-molded part, wherein the surface of the plastic object is treated with the method according to the invention. The plastic objects are preferably manufactured by a 3D-printing method.
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