DEVICE FOR STEP-BY-STEP FEEDING OF SPOT WELDING GUN Russian patent published in 1996 - IPC

FIELD: resistance spot welding. SUBSTANCE: carriage 3 of device has bar 12 on which control members are installed. Control members are formed by strip 14 with combination of slots and projections for corresponding contactless position-limit switches 15 installed on base 1, and axle 17 on which housing 19 with welding gun 21 is hinge mounted. Tracer rack 22 is also mounted on base 1. Tracer rack serves to move roller 23 whose axle is rigidly coupled with housing 19 spring-loaded relative to carriage 3 to provide pressing of roller 23 to tracer rack 22. EFFECT: simple design, enhanced reliability, enlarged operating capabilities. 5 dwg