| 摘要 |
PROBLEM TO BE SOLVED: To provide hot forging die equipment suitable for a large-sized hot forging device.SOLUTION: Hot forging die equipment comprises an upper die set having a die holder and an upper die, and a lower die set having the die holder and a lower die. The upper and lower die sets are held by the upper and lower die holding parts, respectively. The upper and lower dies each have a molding surface and are equipped with the portion in which a diameter gradually increases from a molding surface side toward a bottom face side, and a stepwise pressing part.SELECTED DRAWING: Figure 1 |
