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  1. #1
    Join Date
    Dec 2014
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    Rotary welding table

    So, I am in the process of fabricating a rotary welding table. Base table is a 22" lathe cast iron faceplate, that I have fabricated a heavy duty taper bearing and spindle to mount it to a base. Here is my question. Grounding the work piece is easy as the table will be grounded. so, do I need to be concerned about running the ground current through the taper bearing the table rides on, or should a fabricate a grounding contact that will basically be a sliding copper "brush" that is spring loaded against the bottom of the face plate? I am a little worried about actually using the bearing for transmitting the ground connection.

    thoughts? Am i overthinking this...............
    Last edited by tom fleming; 09-11-2020 at 09:46 PM.

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