Flash-butt resistance welding process

Details Flash-butt resistance welding process Flash-butt resistance welding process

1986-12-18

1988-02-16

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219104, B23K 1104

Patent

active

047257075

ABSTRACT:
A flash-butt resistance welding process including a flashing of parts being welded and their upsetting. The direction of speed of motion of the parts during flashing is changed by converging and diverging them. The parts being welded are converged up to the moment when the total resistance of elementary contacts arising between the flashed surfaces of the parts becomes equal to 0.4-0.5 of the short-circuit impedance of the welding machine. Then the parts are diverged up to the moment when the summary resistance of elementary contacts reaches 1.4-1.6 of the short-circuit impedance of the welding machine.

REFERENCES:
patent: 3748430 (1973-07-01), Deffenbaugh
B. D. Orlov "Technology and Equipment of Resistance Welding", Mashinostroyenie, Moscow, 1976, p. 90, FIG. 3.8a (no translation).

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