| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To order a pierce punch which is compact, saves a space, is easily attached, reduces the cost and can be attached on a slope and the accessory parts of which can be ordered in the block. <P>SOLUTION: This pierce cam consists of a pierce punch, a body on which the pierce punch is provided freely attachably and detachably, a stripper in which the tip part of the pierce punch is fit and which is energized with a coil spring, a rotating arm which is provided freely rockably on the body and brought into contact with the rear end face of the pierce punch, and a driver which transmits the descending force of a press to the rotating arm and ascends after catching the rotating arm in a ascending stage. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
