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Good quality pneumatic spot welding machines on the market are generally resistance AC spot welding machines, and the controllers used have three modes: constant voltage, constant heat, and constant current. The factory default is constant voltage mode, but in actual operation, constant current mode is more needed, so it is crucial to master the setting of constant current mode.
The best quality on the marketPneumatic spot welding machineGenerally, they are resistance AC spot welders, and the controllers used have three modes: constant voltage, constant heat, and constant current. The factory default is constant voltage mode, but in actual operation, constant current mode is more needed, so it is crucial to master the setting of constant current mode.
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