Spot Welding Gun Model 7913

LORS/TECNA

MODEL 7913 AIR OPERATED, WATER-COOLED SUSPENDED SPOT GUN

FEATURES:

For heavy duty work in auto body repair.
For light production work in industry.
Complete with synchronous electronic timer 2 to 65 cycles and SCR contactor.
Compensation circuit starts timer only when current can be applied, which gives better results when joining coated, dirty or rusted material.
Phase shift heat control permits vernier adjustment of current for welding light gauge materials and stainless steel.
Balanced construction for easy operation.
Additional arm coupling to provide larger opening between arms.
Threaded base for bench repair.
A built-in differential pressure switch operates the timer when the electrode force is correct.
All transformers are coated with F class insulation material that does not dry out and become brittle. Test are made using 4000 volts.
Pulsation weld time control available.

INDICATIVE PERFORMANCES
Arms length mm.	Max. force at electrodes daN	Electrode Stroke mm.	Max. thickness on pickled mild steel mm.
150	120	35	2 + 2
250	70	50	1,8 + 1,8
350	52	65	1,5 + 1,5
500	40	90	1,2 + 1,2