Scanning device for TIG-spot welding of commutator segment lugs

Details Scanning device for TIG-spot welding of commutator segment lugs Scanning device for TIG-spot welding of commutator segment lugs

1973-11-29

1976-09-28

Truhe, J. V.

Electric heating

Metal heating

By arc

219 78, 219125PL, B23K 912

Patent

active

039833585

ABSTRACT:
A scanning device for use in conjunction with TIG spot welding lugs on a commutator to taps on the winding of a rotor includes a scanning arm pivotally mounted on a support which can be actuated between a raised position wherein the lower end of a scanning finger depending from the lower end of the scanning arm is disposed outside a circle circumscribed by the ends of the commutator lugs and a lowered position wherein the scanning finger projects into the gaps existing between adjacent lugs. A welding order is released in response to deflection of the scanning arm brought about by contact between the scanning finger and a lug upon rotation of the rotor as well as an order to actuate the support to its raised position for a predetermined period, the support then being returned to its lowered position for scanning the next adjacent lug.

REFERENCES:
patent: 3045103 (1962-07-01), Warner
patent: 3553418 (1971-01-01), Garver et al.
patent: 3826894 (1974-07-01), Melvin
patent: 3849626 (1974-11-01), Linam et al.

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