Stud welder

Details Stud welder Stud welder

1994-11-07

1996-03-26

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

B23K 920

Patent

active

055022910

ABSTRACT:
A stud welder which includes a welding head having a stud receiving and retaining mechanism for holding an end of a stud towards a workpiece, a linear actuator having a fixed permanent magnet, a movable coil coupled to an acutator shaft and the actuator shaft coupled to the welding head and a controller coupled to the actuator coil and to the welding head and operative to move the actuator coil and welding head from a retracted to an extended position and back again and to cause welding current to flow into the welding head.

REFERENCES:
patent: 5030815 (1991-07-01), Glorioso
patent: 5070226 (1991-12-01), Raycher et al.
patent: 5252802 (1993-10-01), Raycher
patent: 5321226 (1994-06-01), Raycher

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