# US 10,245,681 B2 · Generating a three-dimensional component by selective laser melting > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,245,681 B2 - Document ID: US10245681B2 - Status: Granted - Kind: B2 - Application number: 14/979,855 - Filed: 2015-12-28 - Published: 2016-04-21 - Granted: 2019-04-02 - Earliest claimed: 2013-06-28 - Assignees: Trumpf GmbH & Co. - Applicants: TRUMPF GmbH + Co. KG - Inventors: Christian Koerber - Web page: https://patentgrep.com/patent/US10245681B2 ## CPC - B22F 5/10: of articles with cavities or holes, not otherwise provided for in the preceding subgroups - B22F 7/06: of composite workpieces or articles from parts, e.g. to form tipped tools {(B22F7/002 takes precedence)} - B22F 10/28: Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM] - B23K 26/342: Build-up welding - B23K 26/702: {Auxiliary equipment} - B22F 10/10: Formation of a green body - B22F 12/10: Auxiliary heating means - B22F 12/41: characterised by the type, e.g. laser or electron beam - B22F 2003/248: {Thermal after-treatment} - B23K 2103/04: Steel {or steel} alloys - B23K 2103/05: {Stainless steel} - B23K 2103/08: Non-ferrous metals or alloys - B23K 2103/10: Aluminium or alloys thereof - B23K 2103/12: Copper or alloys thereof - B23K 2103/14: Titanium or alloys thereof - B23K 2103/26: {Alloys of Nickel and Cobalt and Chromium} - B33Y 10/00: Processes of additive manufacturing - B33Y 30/00: Apparatus for additive manufacturing; Details thereof or accessories therefor - Y02P 10/25: Process efficiency - B22F: WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER (making alloys by powder metallurgy C22C); APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER - B23K: SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM - B33Y: 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 - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract The invention relates to a method for generating a three-dimensional component by selective laser melting, comprising: generating at least one process-influencing device by selective laser melting during generation of the three-dimensional component and activating the process-influencing device to act on an already completed area of the three-dimensional component prior to completion of the three-dimensional component. The invention also relates to a processing machine for carrying out the method. ## Claims ### Claim 1 A method of generating a three-dimensional component by selective laser melting, the method comprising: generating at least one electrical conductor, by selective laser melting during generation of the three-dimensional component; and activating the at least one electrical conductor by exposing the at least one electrical conductor to an electric current flow to act on an already completed area of the three-dimensional component prior to completion of the three-dimensional component. ### Claim 2 (depends on 1) The method according to claim 1, wherein generating the at least one electrical conductor comprises connecting the at least one electrical conductor to a functional interface of a processing machine carrying out the laser melting. ### Claim 3 (depends on 2) The method according to claim 2, wherein the at least one electrical conductor is connected to the functional interface via a supply end and a discharge end in each case. ### Claim 4 (depends on 1) The method according to claim 1, wherein the at least one electrical conductor at least partially surrounds the already completed area of the three-dimensional component. ### Claim 5 (depends on 1) The method according to claim 1, further comprising generating at least one of the three-dimensional component and the at least one electrical conductor from a material powder selected from the group comprising: stainless steel, tool steel, aluminum, aluminum alloys, titanium, titanium alloys, chrome-cobalt-molybdenum alloys, bronze alloys, stainless steel alloys, nickel-based alloys, copper alloys. ### Claim 6 (depends on 1) The method according to claim 1, wherein generating the at least one electrical conductor comprises generating a pipeline for gaseous and/or liquid media. ### Claim 7 (depends on 6) The method according to claim 6, wherein the pipeline runs horizontally at least in sections. ### Claim 8 (depends on 6) The method according to claim 6, wherein generating the pipeline includes generating the pipeline in an integral configuration with the already completed area of the three-dimensional component and terminating an end of a hollow space in the pipeline on an outside portion of the completed area. ### Claim 9 (depends on 6) The method according to claim 6, wherein generating the pipeline includes generating the pipeline in an integral configuration with the already completed area of the three-dimensional component and forming a hollow space in the pipeline with an inside of the pipeline and an outside portion of the completed area. ### Claim 10 (depends on 6) The method according to claim 6, wherein a geometric shape of the pipeline is adapted to a geometry of the already completed area of the three-dimensional component. ### Claim 11 (depends on 1) The method according to claim 1, wherein the at least one electrical conductor runs horizontally at least in sections. ### Claim 12 (depends on 1) The method according to claim 1, wherein a geometric shape of the electrical conductor is adapted to a geometry of the already completed area of the three-dimensional component. ### Claim 13 (depends on 1) The method according to claim 1, wherein the at least one electrical conductor is spaced apart from the already completed area of the three-dimensional component. ### Claim 14 (depends on 1) The according to claim 1, wherein generating the at least one electrical conductor comprises generating the at least one electrical conductor as a solid conductor component. ### Claim 15 A processing machine for generating a three-dimensional component by selective laser melting comprising: a processing chamber, at least one functional interface which extends into the processing chamber and is configured to be connected to an electrical conductor for acting on an already completed area of the three-dimensional component during selective laser melting, the at least one functional interface configured to be connected to a supply device for the conductor, which is connected to the at least one functional interface; wherein the supply device is configured as a voltage generator configured to be connected via the functional interface to a supply end and a discharge end of the conductor. ### Claim 16 (depends on 15) The processing machine according to claim 15, wherein the functional interface is configured at a base plate for layer-by-layer generation of the three-dimensional component.