Enhanced contact area quick release mig gun tip

Details Enhanced contact area quick release mig gun tip Enhanced contact area quick release mig gun tip

1995-12-27

1998-06-02

Shaw, Clifford C.

Electric heating

Metal heating

By arc

B23K 924

Patent

active

057603731

ABSTRACT:
A quick release mig gun tip comprises a contact tip having an exterior frusto-conical surface and external threads, and a gas diffuser having an internal frusto-conical surface and internal threads. The threads are preferably stub acme threads. The contact tip is assembled to the gas diffuser by engaging their threads until the frusto-conical surfaces mate. Large currents can be conducted through the frusto-conical surfaces and the threads without causing excessive resistance heating. The contact tip threads are designed so that assembly and release of the contact tip requires only one turn relative to the gas diffuser.

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