Can flash welding variables affect the weld?

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There are several variables in the machine set up that can affect the weld. These are secondary voltage, flashing rate, flash time, current and upset distance and force. The effects of these variables are related to how they cause the parts to be over heated or to cool or forged too little or too much. If the material is too plastic or not enough different observations and results will occur.

 Flash Welding Variables Effects

 

Reference: RWMA, Resistance Welding Manual, Section 5

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