METALLIC PRODUCT PRODUCTION METHOD

• Main Authors: NARUSE TOMOHIRO, UDO RYUJIRO
• Format: Patent
• Language: English; Japanese
• Published: 16.02.2017
• Subjects: ADDITIVE MANUFACTURING TECHNOLOGY; ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING; BLASTING; CASTING; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; HEATING; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; LIGHTING; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MECHANICAL ENGINEERING; METALLURGY; NON-POSITIVE DISPLACEMENT PUMPS; PERFORMING OPERATIONS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; POWDER METALLURGY; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TRANSPORTING; WEAPONS; WORKING METALLIC POWDER

PROBLEM TO BE SOLVED: To provide a technique easily producing a metallic product made of a metallic base material and a surface coating material without depending on the complexity of shape.SOLUTION: Provided is a metal product production method using a three-dimensional molding device where, regarding a metallic product, based on the three-dimensional CAD data including the respective three-dimensional positional information on a metallic base material 6a to form into a body and a surface coating material 7a coating the surface thereof, cross-sectional data are created per layer in a laminating direction, thereafter, a metallic base material powder 6 and a surface coating material powder 7 are arranged on a molding stage based on the cross-sectional data per layer, and they are melted and sintered by a laser so as to be solidified.SELECTED DRAWING: Figure 5 【課題】金属基材と表面コーティング材からなる金属製品を、形状の複雑さに関係なく容易に製造する技術の提供。【解決手段】金属製品に関して、本体となる金属基材６ａとその表面を覆う表面コーティング材７ａとのそれぞれの３次元位置情報を含む３次元ＣＡＤデータに基づいて、積層方向の層ごとの断面図データを作成した後、層ごとに、断面図データに基づいて、造形ステージ上に金属基材粉末６と表面コーティング材粉末７を配置し、レーザによって溶解、焼結することで固化させる三次元造形装置を用いる金属製品製造方法。【選択図】図５