| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable the count and display of a cumulative number of times where a predetermined sheet metal-mold has punched a sheet of paper.SOLUTION: A machine is equipped with a plurality of kinds of sheet metal-molds attachable to and detachable from the peripheral surface of a rotary die, a memory part 31 that memorizes a plurality of kinds of working data regulated by kinds of sheet metal-molds and a number of times where a predetermined sheet metal-mold punches a sheet of paper, a counting part 32 that counts a number of times where a predetermined sheet metal-mold, mounted on the rotary die, has punched a sheet of paper while a sensing means is sensing the presence of a sheet of paper, and a cumulative number of times display screen used to display a cumulative number of times counted by the counting part in accordance with kinds of sheet metal-molds.</p> |
