Welding torch

Details Welding torch Welding torch

1983-02-25

1985-09-10

Shaw, Clifford C.

Electric heating

Metal heating

By arc

2191251, 901 13, 901 42, 901 49, B23K 912

Patent

active

045408696

ABSTRACT:
A welding torch for use in a welding robot is prevented from being deformed or otherwise damaged on collision with the work while the welding robot is being taught. The welding torch comprises a housing adapted to be supported at a distal end of the robot arm, a torch nozzle axially movably and rotatably supported at a distal end of the housing, a shaft axially movably and rotatably mounted in the housing and movable in response to rotation and/or axial movement of the torch nozzle, and a switch or switches mounted in the housing and actuatable in response to rotation and/or axial movement of the shaft for generating a signal to stop the movement of the robot arm. When the torch nozzle collides with the work, the switch means is actuated to stop the movement of the robot arm.

REFERENCES:
patent: 3408475 (1968-10-01), Fier
patent: 4389561 (1983-06-01), Weman et al.
patent: 4404455 (1983-09-01), Gotoh
Yashukawa Electric Corporation Catalog No. TO-C945-2-52, 9/1981, pp. 1-5.

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