■ THIS IS A CIRCULAR TIG WELDING MACHINE FOR COUPLER BASE LAYED ON INNER HULL ■ THE CABLE IS NOT BEING TWISTED - USED CONTACT SLIDE METHOD FOR ELECTRIC CONDUCTION ■ MACHINE IS MOUNTED ON THE INNER HULL BY 3-MAGNET WITH COUPLER BASE CLAMPED BY CHUCK ■ WELDING IS STOPPED BY END SENSOR AFTER ONE ROTATION AND RETURN BACK TO HOME POSITION ■ EARTH LINE IS MOUNTED ON WELDING MACHINE, SO NO NEED CONNECTION OF EARTH CABLE MORE ■ REMOTE OPERATING SWITCH IS MOUNTED ON HANDLE OF MACHINE ■ WORK PIECE IS PRESSED BY SPRING PRESSURIZATION DEVICE FOR A LESS GAP ■ NO NEED TACK WELDING