3) the upper welding wheel drops uniformly.4) change the secondary voltage of the resistance welding transformer and adjust the effective value of welding current through the current adjustment of the controller.
5) adjust the pulse time and stop time of welding current.
6) adjust welding speed uniformly.
7) the electrical part adopts Japanese mitsubishi programmable control system and is provided with separate control box and operation box, which is easy to operateThese features enable the welder to be guaranteed good welding quality with the best welding specifications.