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ESD Affects People, Too

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GlennA
User Rank
Gold
Tangent = ground the secondary
GlennA   9/13/2013 3:11:46 PM
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The operators on a spot welding line complained of getting shocks.  Since the tooling and parts were all steel, and conductive, it was not taken seriously, but we did some tests to be sure.  We found a voltage on the secondary of the spot welding guns - the copper shanks that contact the part and conduct the welding current.  The fix was to add a ground wire to one side of the secondary of the weld gun transformer.

tekochip
User Rank
Platinum
Ill Effects
tekochip   9/13/2013 3:08:16 PM
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I wonder if there's any ill effects other than the annoying discomfort of constantly being zapped.


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