All precious metals, precious metal all gold materials, such as gold, silver Platinum, palladium. Before using the welding machine, check whether the power supply conforms to the operating voltage.Connect the output wire of the welding machine to the screw of the corresponding polarity (tighten the nut when the output wire is connected to the output pole). When working, clamp the workpiece with the clamp on the output black line, close to the tungsten needle, and the distance depends on the size and shape of the workpiece. Generally, the distance between the tungsten needle and the workpiece is 0.5-1 mm. The discharge end of the tungsten needle must be sharp before and during use to keep it in a good discharge state.
The output pulse current can be changed according to the size of the workpiece, the size of the welding spot and the process requirements to achieve the desired effect (the machine can weld 0.5-1.5MM). When the potentiometer is rotated clockwise (coarse adjustment, fine adjustment), the output pulse current increases, otherwise, the output pulse current decreases.