Rotative welding gun

Details Rotative welding gun Rotative welding gun

1976-12-10

1978-02-07

Goldberg, E. A.

Electric heating

Metal heating

By arc

219 60A, B23K 912

Patent

active

040728285

ABSTRACT:
A small volume rotative welding gun comprises a welding torch which is adjustable both radially and angularly with respect to a movable block, a flat torque motor and a movable block having an accessible front portion carrying the welding torch so as to put same in alignment with a workpiece to be welded. A rear portion of the block passes through the flat motor and is connected to the motor rotor and is provided with axially extending electric wires. The block has a cooling fluid inlet and an inlet for a protective gas flow, both of the inlets being co-axial with said electric wires, and an insulating member. Also provided is a body in which the flat motor is fixed which comprises a device for measuring rotations, liquid metal or carbon electric contacts, bearings for centering the movable block, a protective hood, and gas and current stationary outlets. A ring is further provided for fixing the body to a support member for positioning the gun comprising a device for axially adjusting the gun.

REFERENCES:
patent: 3396263 (1968-08-01), Even
patent: 3621182 (1971-11-01), Peyrot

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