A variable pitch spot welding gun assembly for a welding robot has a fixed base (16) directly attached to the robot wrist (12) of an industrial welding robot, welding transformers (24, 26) fixed to the fixed base (16), a fixed spot welding gun (22) provided apart from the welding transformers (24, 26),...http://www.google.fr/patents/US5111019?utm_source=gb-gplus-shareBrevet US5111019 - Variable-pitch spot welding gun assembly for a welding robot
Variable-pitch spot welding gun assembly for a welding robot
