Die assembly and method for clinching fasteners to panels

Details Die assembly and method for clinching fasteners to panels Die assembly and method for clinching fasteners to panels

B - Operations, Transporting

23

P

26/28

B23P 11/00 (2006.01) B23P 19/06 (2006.01) F16B 37/06 (2006.01)

Patent

CA 1057937

DIE ASSEMBLY AND METHOD FOR CLINCHING FASTENERS TO PANELS Abstract of the Disclosure A die assembly for clinching a fastener such as a pierce nut to a panel. In the clinching operation, a pilot portion of the fastener is driven through the panel and into an aperture in a die body. Step portions of the die body de- form the fastener pilot and interlock or clinch the fastener and panel together. After the clinching operation, the fastener and panel are stripped from the die assembly. In order to facilitate release of the fastener pilot from the die aperture, the die body is segmented so that its segments can separate in a radial direction to enlarge the aperture. The die body segments have sloping outer surfaces received in a complementary die holder so that the segments are cammed together during the clinching operation and are separable during the stripping operation.

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