Automatic weld line copying apparatus

Details Automatic weld line copying apparatus Automatic weld line copying apparatus

1976-12-29

1980-05-27

Reynolds, B. A.

Electric heating

Metal heating

By arc

318657, 336179, B23K 912

Patent

active

042052173

ABSTRACT:
An automatic weld line copying apparatus has a non-contact type sensor including a core wound with an exciting primary winding which in turn is wound with a secondary winding a plurality of secondary coils differentially. The sensor is compact and able to detect, without contact, the distance from the flat surface or edge line of an object to be welded thus making possible accurate and efficient automatic welding of a small welding assembly with a complicated weld line.

REFERENCES:
patent: 3308411 (1967-03-01), Roshala
patent: 3371272 (1968-02-01), Stanton
patent: 3430134 (1969-02-01), Flaherty et al.
patent: 3588660 (1971-06-01), Purkhiser
patent: 3609527 (1971-09-01), Ellis
patent: 3626283 (1971-12-01), James et al.
patent: 3684961 (1972-08-01), Muir
patent: 3694785 (1972-09-01), Chass
patent: 3750010 (1973-07-01), Abnett et al.
patent: 3833788 (1974-09-01), Hovance et al.
patent: 3962919 (1976-06-01), Playfoot et al.

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