其中，上述穿孔机构800，是在冲头用金属模 具820和冲模用金属模具830之间的空隙G大于薄板状加工对象W 的厚度状态下实施穿孔的穿孔机构。

The punching mechanism (800) performs punching in a condition where a gap (G) between the punching die (820) and the dieing die (830) is greater than the thickness of the sheet-like object (W).

youdao