| 摘要 |
PROBLEM TO BE SOLVED: To provide a molding method of a member for obtaining a metal molded product, which is excellent in surface quality, has an opening with a small area, and has a shape with a deep bottom, with fewer steps by using blow molding, and to provide a molded article and a molding device.SOLUTION: A molding method includes: a first step of premolding a member to be molded to obtain a premolded member 112; and a second step of holding the premolded member 112 between a heated upper mold 102 and a heated lower mold 101 and then molding the premolded member 112 using a punch and gas 104, wherein the diameter of the punch is smaller than that of the premolded member 112 after completion of the first step. |
