Length compensator for friction welding machines

Details Length compensator for friction welding machines Length compensator for friction welding machines

1975-09-15

1976-12-21

Smith, Al Lawrence

Metal fusion bonding

Including means to provide heat by friction between...

228113, 156 735, 228 9, B23K 1902

Patent

active

039983730

ABSTRACT:
A device for controlling the rotational speed of a friction welder as a function of the combined length of the pair of parts to be welded, within predetermined tolerances, so as to produce welded pieces of uniform length in spite of minor variations in the lengths of the parts. Logic and sequencing circuitry specially adapted to carry out this function at minimum cost is also described.

REFERENCES:
patent: 2988936 (1961-06-01), Cash
patent: 3549076 (1970-12-01), Mills
patent: 3678566 (1972-07-01), Ellis et al.
patent: 3714509 (1973-01-01), Coleman et al.
patent: 3720993 (1973-03-01), Farmer et al.
patent: 3888405 (1975-06-01), Jones et al.

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