Friction pressure welding method

Details Friction pressure welding method Friction pressure welding method

1979-06-21

1981-03-17

Lazarus, Richard B.

Metal fusion bonding

Process

Using dynamic frictional energy

228 2, 228265, B23K 1902

Patent

active

042562538

ABSTRACT:
A friction pressure welding method in which, for a friction pressure welding between a pin and a recess of a support, the recess is arranged to have an inner diameter slightly larger than an outer diameter of the pin and a cap nut fitted to a collet chuck of a friction pressure welding machine is provided with an extension at a front thereof so as to control a curl projecting from an end surface of the pin at a certain height during operation of the friction pressure welding such that edges produced on the pin are forcibly pressed onto the recess and a welding area between the curl portion and the recess is increased, thereby enhancing a fatigue strength of the joint portion and increasing a strength against vibration exceedingly.

REFERENCES:
patent: 3452421 (1969-07-01), Cheng et al.
patent: 3452914 (1969-07-01), Oberle et al.
patent: 4074449 (1978-02-01), Lanz et al.

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