Dressing device for tip of welding gun

Details Dressing device for tip of welding gun Dressing device for tip of welding gun

1986-05-21

1988-03-01

Parker, Roscoe V.

Metal tools and implements, making

Miscellaneous

B23K 1130

Patent

active

047277750

ABSTRACT:
A dressing device for a tip of a welding gun comprising a base; a dresser body; a driving device movably provided on said base for moving said dresser body; a pneumatic on-off valve connected with said dresser body; a control switch interposed between said driving device and the dresser body for controlling said pneumatic on-off valve; an air motor for rotating blades of said dressing device; a timer circuit responsive to pressure at an inlet of said air motor; an air changeover valve for changing over air to be fed to said driving device disposed on said timer circuit; a quick return mechanism mounted on said driving device; and a pneumatic control valve connected with said quick return cylinders and furthermore connected with said timer circuit, a tip of the welding gun can be dressed while setting thereof, at a prescribed position, by use of the quick return mechanism controlled by the timer without using springs.

REFERENCES:
Japanese Laid-Open Patent Publication No. 62-64482, published Mar. 23, 1987.

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