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Spot welding machines are divided into foot-operated spot welding machines, pneumatic spot welding machines, and medium-frequency spot welding machines, which are subcategories of resistance welding machines.Pneumatic spot welding machineIt is generally a power frequency AC spot welder that uses cylinder compressed air to compress the workpiece to save labor. The controller has three modes: constant voltage, constant heat, and constant current.
To set the constant voltage mode, just follow the following details:
