Closed loop control of continuous seam resistance heated forge w

Details Closed loop control of continuous seam resistance heated forge w Closed loop control of continuous seam resistance heated forge w

1982-11-05

1984-05-08

Shaw, C. C.

Electric heating

Metal heating

For bonding with pressure

219 64, 219 8641, B23K 1124

Patent

active

044476990

ABSTRACT:
A signal emitted from a transducer responsive to the relative power applied during a welding process is enhanced electronically and mathematically to be of use in controlling welder operating parameters and/or in rejecting defective welds. Electronically the signal refined to minimize unnecessary noise in the signal and mathematically the signal is modified and analyzed against a standard. In a high speed welding operation automatic means are necessary to assure weld quality and control welder operation since the rapidity with which the welding takes place is too fast for manual readjustment.

REFERENCES:
patent: 3823299 (1974-07-01), Metcalfe et al.

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