首页> 外国专利> Method for setting a self-punching screw nut comprises strain hardening a metal plate in the region of the cut edges of the cut-out center punch by stress-free deforming before starting perforating and setting

Method for setting a self-punching screw nut comprises strain hardening a metal plate in the region of the cut edges of the cut-out center punch by stress-free deforming before starting perforating and setting

机译:设置自穿孔螺母的方法包括:在开始穿孔和固定之前,通过无应力变形,在切口中心冲头的切口边缘区域对金属板进行应变硬化处理。

摘要

Method for setting a self-punching screw nut comprises strain hardening a metal plate (9) in the region of the cut edges of the cut-out center punch by stress-free deforming before starting perforating and setting. An independent claim is also included for a device for setting a self-punching screw nut.
机译:设置自穿孔螺母的方法包括:在开始穿孔和固定之前,通过无应力变形在切口中心冲头的切口边缘区域对金属板(9)进行应变硬化。还包括用于设置自攻螺母的装置的独立权利要求。

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