Resistance spot welding gun with weld quality detection feature

Details Resistance spot welding gun with weld quality detection feature Resistance spot welding gun with weld quality detection feature

B - Operations, Transporting

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B23K 11/10 (2006.01) B23K 11/24 (2006.01) B23K 11/25 (2006.01) B23K 11/31 (2006.01)

Patent

CA 1234880

RESISTANCE SPOT WELDING GUN WITH WELD QUALITY DETECTION FEATURE Abstract of the Disclosure A method and apparatus are disclosed for detecting weld nugget growth on a workpiece during a welding operation using a resistance spot welding gun. In the preferred embodiment, a piston rod is slidably mounted in a cylinder and is connected at one end to an electrode of the gun. The opposite end of the piston rod extends rearwardly through the cylinder and is coupled to a sensor assembly for detecting the amount of movement of the piston rod created by weld nugget growth on the workpiece during the welding cycle.

481815

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