| 1. | The main loop of the welder uses a thyratron transistor non - contact switch circuit , quick and reliable close time , accurate timing of welding , high precision of welding , good repeatability , bring a high quality welding 焊机主回路采用晶闸管无触点开关电路,关断时间快、可靠,焊接定时精确,焊接精度高,重复性好,可实现高品质焊接。 |