Method and apparatus for positive, torsion-proof holding during

Details Method and apparatus for positive, torsion-proof holding during Method and apparatus for positive, torsion-proof holding during

1994-12-09

1996-08-27

Heinrich, Samuel M

Metal fusion bonding

Process

Using dynamic frictional energy

228212, 228 23, B23K 2012

Patent

active

055492363

ABSTRACT:
A method for the friction welding of parts and a holding device for at least one of the parts during the friction welding are disclosed. For the torsion-proof holding of the part in the holding device, regular positive-connection faces are provided therein. Corresponding positive-connection faces are fashioned in the region of the holding face of the part, such that the part can be retained in the holding device in a positive, torsion-proof manner. So as avoid forming the positive-connection faces located on the parts in a separate operation, these faces are produced only during the execution of the friction welding by utilizing the axial pressing force via an embossing operation carried out by the positive-connection counterfaces formed in the holding device and made cutter-like. For this purpose, the positive-connection faces are arranged in close succession in the form of a ring at an acute angle of less than 45.degree. to the axial force direction, so that they can dig in a force transmitting manner into a peripheral workpiece edge located on the parts.

REFERENCES:
patent: 3452421 (1969-07-01), Cheng et al.
patent: 3965554 (1976-06-01), Amos
patent: 4427471 (1984-01-01), Chierici
patent: 4758392 (1988-07-01), Collins et al.
patent: 5306383 (1994-04-01), Kobiella

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