| 摘要 |
PURPOSE:To improve working efficiency and to secure safety in working by performing a die changing work with the automatic control by the program of the device attached to a press machine including the traveling device of a moving bolster. CONSTITUTION:The program for automatic control for changing a die is fixed, the device attached to a press machine is automatically controlled by this program and driven in the specified order., and the die change is automatically performed. Namely, while from after completion of a press work until the press starting by the succeeding die according to the program, a traveling device runs a moving bolster 16 and a clamping device 44 combines an upper die 17 with the lower face of a slide 14. A clamping device 37 fixes the moving bolster 16 to a pressing position and an adjusting device adjusts the inner width of a feed bar 12.
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