B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/57
B21D 39/02 (2006.01)
Patent
CA 2029341
Abstract of the Disclosure The invention relates to a process for producing a folded seam connection along a joint between partial cups made of sheet metal having two flanges of folded seam connection and forming a workpiece, in particular a cup-shaped vibration damper wherein at least one folding tool and the workpiece with the folding flanges, which are pressed on each other, are moved relative to one another. The new process is characterized in that - the workpiece is rotated around a rotating axis traversing this workpiece in an essentially perpendicular manner with respect to the plane of the joint, - the folded seam connection is produced in that the folding flange is being rolled over once or several times by at least one folding roller, and - in the plane of the joint, the folding roller can be swung around relative to the workpiece and/or pressed against the latter. Further, the invention also concerns a seaming machine. - 24 - The new process and the new seaming machine offer the option to simply pass over interruptions of the folded seam connections. For this purpose, provision is made for a guide for the folding roller by means of a correspondingly configured guide surface. - 25 -
Kostermeier Karl-Heinz
Leifeld G.m.b.h. & Co.
Mitches & Co.
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