The principle of the capacitor energy storage type point convex welding machine is to charge and store energy in a group of high-capacity capacitors through a smaller transformer beforehand, and then discharge and weld the welding parts through a high-power resistance welding transformer. The prominent feature of the energy storage welding machine is the short discharge time and the large instantaneous current, thus resulting in minimal thermal influence such as deformation and color change after welding. Small-power energy storage welding machines are suitable for welding precision components, while large-power energy storage welding machines are suitable for multi-point convex welding, ring convex welding, and sealing convex welding. The main features are as follows: 1. It has low requirements for the power grid and does not affect the power grid. Since the principle of the energy storage welding machine is to charge and store energy in capacitors through a small-power transformer first, and then discharge and weld the workpiece through a high-power resistance welding transformer, it is not easily affected by the fluctuations of the power grid, and due to the small charging power, it has a small impact on the power grid.
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