Features Spot welding machine can be used for platinum Gold K gold Silver Steel rapid welding the ring mouth melon seeds buckle Fine wire precision welding direct welding without welding powder The use of plasma high frequency discharge principle in the metal welding port instantly forming molten pool Adjust the output power according to the wire size The welding of the workpiece smooth solid fast high efficiency Specifcation Power 220V 50 60HZMaximum current up to 80ADimensions 310 x 165 x 140MM Installation 1 Electrode clamping output negative electrode the electrode seat output positive pole 2 Tungsten needle can be sharpened in the grinding machine the use of cutting edge discharge principle 3 Tungsten needle diameter 1 5mm Steps 1 Turn on the power and turn on the power switch 2 Adjust the power knob divided into coarse and fine According to the work requirements can be adjusted scale value3 The workpiece is aligned with the tweezers The workpiece interface is aligned with the tungsten needle the optimum distance is 5mm 4 With the foot pedal switch remove the foot Spot welding is completed Precautions 1 feet can not be a long time stepping on the foot switch step on immediately remove such as a long time stepping on the switch the machine is in a short circuit state will burn the internal circuit2 Please use this machine for precision 3 Flash on the eyes of injury please use the protective measures 4 When you press the foot