| 摘要 |
<p>PURPOSE:To shorten the time of the set-up and the change at the time that the change of the punch and the die holder between the upper and lower turrets and the die holder magazine are executed with the upper and lower die changing devices. CONSTITUTION:In a turret punch press 1 which provides freely rotationable upper and lower turrets 49, 51, a freely movable up and down striker 15 which strikes a punch P, a metal sheet moving and positioning device 27 that the metal sheet is supported on a work table 25 and positioned to the X and Y directions, and a die changing device 77, punch and die holder magazines 73, 75 which support the punch P and the die D to be changed by attaching and detaching against the upper and lower turrets 49, 51 are set nearby the upper and lower turrets, 49, 51, the changing position for attaching and detaching the punch and the die of the upper and lower turrets 49, 51 are positioned to the upper side and the lower side of the punch and die holder magazines 73, 75, together, the die changing device 77 is positioned to the upper and lower directions of the changing position for attaching and detaching, and the change of the punch P and the die can be directly executed by moving straight.</p> |
