| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a punching die having a function capable of counting the number of shots.SOLUTION: A punching die 1 is used for punching of a workpiece 20 and is made up of a punching blade 11 for punching, a fixing pin 12, a display device 13, and the like. A count part to count the number of shots by a punching machine is made up of the fixing pin 12, a contact type sensor 15, and the like. The count part counts the number that a plate material 12c disposed at the front end of the fixing pin 12 contacts with the contact type sensor 15 by a descent of the fixing pin 12 during punching by the punching machine.</p> |
