| 摘要 |
PROBLEM TO BE SOLVED: To provide a press molding mold in which a molding product without a wrinkle and a crack can be manufactured stably.SOLUTION: In a press molding mold 1 which includes a punch 3 having a mold surface 3a, and a die 2 and a blank holder 4 which are movable up and down relatively against the punch 3, and in which contraction molding is applied to a blank material B by pressing the blank material B to the mold surface 3a of the punch 3, while holding the edge parts of the blank material B by pressing surfaces 21, 41 mounted at the die 2 and the blank holder 4. A filling space 42 to be filled with a working fluid F is provided at least inside the die 2 and the blank holder 4, and the height of the pressing surfaces 21, 41 is changeable by the pressure of the working fluid F filled into the filling space 42. |
