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The weld quality of resistance welding depends largely on controlling your weld force.
To ensure the proper nugget formation, it is critical that a minimum force (or pressure) is reached before current is fired and a maximum force is not exceeded during the weld.
Now you can update your
existing controller with a retrofit package that allows you to set an accurate force level and to monitor force during every weld. With a part in place, manually activate your air cylinder and accurately set the
weld force by dialing the force adjustment knob on your welder. Preset a force limit to a value approximately 5% lower than this force. The system will now monitor every weld and trigger current firing only after
the correct force is reached.
During the weld, it is important that the pressure does not continue to increase resulting in a cold weld or small nugget. Using the second programmable limit, you can detect
high pressures and signal the operator when the tip force exceeds your acceptable limit.
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