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Gas welding machine welding power in several ways?
Gas welding machine welding power in several ways? Blu-ray is a large manufacturer of welding machine, the main production of portable welding machine, today for everyone to summarize the welding power source gas welding machine classification.
Gas welding machine welding power supply in accordance with the general output welding current waveform is divided into two types, one is AC welding, a DC welding machine.
AC welding is also called arc welding transformers, the domestic are generally single-phase input 220V or 380V, by adjusting the transformer leakage inductance or tap to change the welding current, as the current exists in the AC current zero crossing, so arc extinguishing and then arcing the process of.
DC welding machine is divided into arc welding generator, rectifier welding machine, inverter welding machine, arc welding generator consists of a motor and generator, the motor with a generator rotation, the generator issued suitable for welding DC, for welding use , Such a low efficiency welder, dynamic properties are not good, rectifier welding machine is by the frequency step-down transformer and diode or thyristor into a DC for welding use, so the welding machine, large size and weight, thyristor adjustment characteristics Accuracy is not high.
Inverter welding machine consists of rectifier and inverter, inverter welding current regulation, due to the higher frequency of the inverter, so welding dynamic characteristics, while the volume and weight is relatively small.