Resistance welding electrode chip

Details Resistance welding electrode chip Resistance welding electrode chip

1988-09-15

1989-06-27

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

B23K 3522

Patent

active

048432067

ABSTRACT:
A welding resistance electrode chip of this invention comprises a front end to be brought into contact with a substance to be welded, an intermediate cylinder disposed on and in contact with the tail end of front end, and a main cylinder having a closed end disposed on and in contact with the tail end of front end and the tail end and the inner wall of intermediate cylinder. It is sintered and molded out of appropriate copper-based powder materials respectively satisfying the requirements of portions thereof: The front end is made of a powder material having good thermal shock resistance and wear resistance, the intermediate cylinder is made of a powder material having high tenacity to suppress the deformation of the front end, and the main cylinder is made of a powder material having high conductivity. Therefore, the durability of resistance welding electrode chip of this invention has been improved remarkably, and the operation rate of equipment has been improved.

REFERENCES:
patent: 4071947 (1978-02-01), Nippert

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