Operating instructions - EWM Hightec Welding GmbH

Design and functionMIG/MAG weldingSpot welding1. 2.tIP STARTFigure 5-19P AP ENDttNOTEThe ignition time t startmust be added to the spot time t 2.1st cycle• Press and hold torch trigger• Shielding gas is expelled (gas pre-flows)• Wire feed motor runs at "creep speed"• Arc ignites after the wire electrode makes contact with the workpiece,welding current is flowing (start program P START, spot time starts)• Slope to main program P A• After the set spot time elapses, slope goes to end program P END.• Wire feed motor stop welding.• Arc is extinguished after the pre-selected wire burn-back time elapses• Gas post-flow time elapses.2nd cycle• Release torch triggerReleasing the torch trigger (step 2) interrupts the welding process even if the spot time has notyet elapsed (slope to end program P END).52099-005234-EW50116.04.2012