The Capacitor of Energy Storage Spot Projection Welding Machine

The device that stores charge in the energy storage spot welder is a capacitor. When the charge is accumulated on the capacitor, a voltage will be generated between the two plates. Capacitance describes not the amount of charge stored in the capacitor, but the ability to store charge.

How much charge can be accumulated per 1 volt of voltage, 1F=1 coulomb/volt, just like the power supply’s ability to do work is not how many joules of work it does, but how many joules of work it can do per second. If a voltage of 1V can store 100C of electricity, it is recognized that the capacitor has a higher charge storage capacity than a capacitor with a voltage of 1V that can store 10C.

The energy storage spot welding machine performs welding by instantly discharging the energy stored in the capacitor to the workpiece. Since the discharge time is less than 20ms, the resistance heat generated by the parts is still conducted and diffused. The welding process has been completed and begins to cool, so the parts being welded are deformed. , discoloration can be reduced.

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