Constant Current

Constant current refers to the ability to vary the voltage across an electronic circuit to maintain a constant electric current. Constant current mode on a spot welder can be used for 65% of all applications including those that exhibit low contact resistance, small variability in contact resistance, flat parts, and multiple part ‘sandwiches.’  Constant current mode:

  • Delivers the same current regardless of resistance changes
  • Compensates for part thickness changes
  • Is ideal for flat parts with consistent electrode to part fit-up

For more information, read our paper on High Frequency Inverter Feedback Modes

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