Hemming method and hemming apparatus

Details Hemming method and hemming apparatus Hemming method and hemming apparatus

2011-05-31

2011-05-31

Ekiert, Teresa M (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

Comprising tool movable relative to stationary work-portion...

C029S243580

Reexamination Certificate

active

07950260

ABSTRACT:
A movable die18including a first groove52and a second groove54that extend in a direction in which hemming is performed is moved by a robot22, and is positioned and set with respect to a wheel arch portion16in a vehicle12on a production line14. The movable die18is mounted, positioned and fixed with respect to the vehicle12by a clamping mechanism58. A guide roller32is rolled while the guide roller is engaged with the first groove52, and a flange17is inclined by a conical surface of a tapered roller38of a hemming roller30that moves in an interlocking manner with the guide roller32. Next, the guide roller32is rolled while the guide roller is engaged with the second groove54, and the flange17is bent by a cylindrical surface of a cylindrical roller40of the hemming roller30. The movable die18is separated from the vehicle12after the hemming.

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