How the welding machine works

27-02-2019

The electric welder uses the high-temperature arc generated by the positive and negative poles in an instantaneous short-circuit to melt the solder and the material to be welded on the electrode to achieve the purpose of combining them. The structure of the welding machine is very simple. To put it bluntly, it is a high-power transformer.

Electric welder

20/380V AC becomes a low voltage, high current power supply, which can be either DC or AC. The electric welding transformer has its own characteristics, which is characterized by a sharp drop in voltage. After the welding rod is ignited, the voltage drops. In addition to the 220/380V voltage conversion, the secondary coil also has a tap change voltage, and the core is used to adjust the adjustable core iron welder. It is a high-power transformer, which is made by the principle of inductance. When the inductance is turned on and off, it will produce a huge voltage change. The high-voltage arc generated by the positive and negative poles in the short-circuit is used to melt the electrode. Solder. To achieve the purpose of combining them. A voltage is applied between the electrode and the workpiece, and the arc is swept or contacted to ignite the arc, and the energy of the arc is used to melt the electrode and heat the base material.

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Welding machine

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