PRODUCTION METHOD OF METAL SHAPED ARTICLE, AND MOLDING DEVICE

• Main Authors: OSHIMA TADASHI, TSUNODA KANICHI
• Format: Patent
• Language: English; Japanese
• Published: 26.01.2023
• 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; CASTING; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING; WORKING METALLIC POWDER

To provide a technology capable of forming easily a metal shaped article, in a production method of the metal shaped article by using a laser beam.SOLUTION: A production method of a metal shaped article includes a preheating step for heating in advance before melting, by a laser beam, metal powder which is a raw material for the metal shaped article, and a molding step for radiating the laser beam to the heated metal powder, after the preheating step, and forming the metal shaped article by melting and solidifying the metal powder.SELECTED DRAWING: Figure 1 【課題】 レーザ光を用いて金属造形体を形成する金属造形体の製造方法において、金属造形体を容易に形成することができる技術を提供する。【解決手段】 金属造形体の製造方法は、金属造形体の原料となる金属粉末をレーザ光によって溶融する前に予め加熱する予熱工程と、予熱工程の後、加熱された金属粉末にレーザ光を照射し、金属粉末を溶融および凝固させて金属造形体を形成する造形工程と、を備える。【選択図】 図１