| 摘要 |
PURPOSE:To locate stably the body to be worked and to perform the press work with good efficiency by pressing the body to be worked by a pressing pin with the pressure of the air which is passed from the behind of the pressing pin. CONSTITUTION:The pin 6 to press the body to be worked which is movable vertically is fitted on the center part of a punch part, the opening hole 11 penetrating from the side part is connected to the space part 10 of the upper part of this pressing pin 6 and the air is fed from the outer part into this opening hole 11. The pressure onto the pressing pin 6 becomes constant at all times by the air pressure passed from the behind to press the body 5 to be worked. A stabilized positioning is thus enabled and the generation of dies damages, etc. due to the dislocation is prevented.
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