Die set device null for closed die forging

摘要

PURPOSE: To twist the forging stock with mechanical press of single action type. ;CONSTITUTION: A twist rods 16A, 16C are provided to a twist plate 15 fixed to a press ram 14, together a crank plate 17 is supported against the twist plate 15 through the pressurizing cylinder 19. The twist plate 15 and the crank plate 17 are lowered as one body until the upper die and lower dies are closed, after the dies are closed, the twist plate 15 is individually lowered, the twist blocks 1B, 2B and 1C, 2C among the upper and lower dies 1, 2 are turned and the twisting can be executed.;COPYRIGHT: (C)1993,JPO&Japio