Method and apparatus for connecting a hollow member to an...

Details Method and apparatus for connecting a hollow member to an... Method and apparatus for connecting a hollow member to an...

B - Operations, Transporting

21

D

327/82, 327/83,

B21D 51/26 (2006.01) B21D 51/24 (2006.01) B23K 11/06 (2006.01)

Patent

CA 1275454

ABSTRACT OF THE DISCLOSURE: Method and apparatus for connecting a hollow member to an inner member. For connecting a round hollow member of sheet metal tightly to a complementary inner member, a force fit is produced in a narrow annular region between these two members. Then at least two electrodes are applied to the hollow member from the outside in the annular region and during relative rotation between the electrodes on the one hand and the two members on the other hand, electrical resistance welding is carried out during which the welding current is supplied and drawn off exclusively through the electrodes bearing externally against the hollow member.

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