METHOD AND DEVICE FOR MANUFACTURING THREE-DIMENSIONAL MOLDED PRODUCT

• Main Authors: YAMAGUCHI TAKEO, TANAKA KOICHIRO, WATANABE MASAKI, KUSAHARA TERUKI, NAGATOMO YUJI
• Format: Patent
• Language: English; Japanese
• Published: 19.09.2019
• 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; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; PERFORMING OPERATIONS; POWDER METALLURGY; SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER; TRANSPORTING; WORKING CEMENT, CLAY, OR STONE; WORKING METALLIC POWDER

To provide a method for manufacturing a three-dimensional molded product that can prevent a warp of a molded layer in the three-dimensional molded product and manufacture the three-dimensional molded product with excellent dimensional accuracy.SOLUTION: A manufacturing method of the three-dimensional molded product includes: a layer forming step of forming a first three-dimensional material layer using at least the first three-dimensional material containing an inorganic particle and an organic compound A having a glass transition temperature (Tg) of 0°C. or lower; a second three-dimensional molding material imparting step of imparting a second three-dimensional molding material containing an organic compound B to a predetermined region of the first three-dimensional molding material layer to cure the first three-dimensional molding material layer; and a molding step of laminating a cured layer by repeating a plurality of times the layer forming step and the second three-dimensional molding material imparting step.SELECTED DRAWING: Figure 6F 【課題】立体造形物における造形層の反りを防止し、寸法精度の優れた立体造形物を製造できる、立体造形物の製造方法の提供。【解決手段】少なくとも、無機粒子、及びガラス転移温度（Ｔｇ）が０℃以下である有機化合物Ａを含む第一の立体造形用材料を用いて、第一の立体造形用材料層を形成する層形成工程と、前記第一の立体造形用材料層を硬化させるための、有機化合物Ｂを含む第二の立体造形用材料を、前記第一の立体造形用材料層の所定の領域に付与する、第二の立体造形用材料付与工程と、前記層形成工程と前記第二の立体造形用材料付与工程とを複数回繰り返すことにより、硬化した層を積層する造形工程と、を含む立体造形物の製造方法である。【選択図】図６Ｆ