| 摘要 |
PURPOSE: A die-board is provided to easily remove hole scraps from a workpiece by forming a hollow passage in a punch and connecting a scrap chamber to the hollow passage. CONSTITUTION: A die-board is composed of a plate supporter(31), cutters(33) and punches(35) forcibly fit into the supporter along a design, and flexible members(37) attached to the supporter around the cutters and punches. The punch has a hollow passage(45), and is forcibly fit into a through hole(43) formed at the supporter. A scrap chamber(47) is connected to the hollow passage.
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