Shop Built Welding Positioner

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Hello, thought I'd post some pictures of a couple welding positioners I made from stuff I had laying around. This one has a 6" chuck and max. 10 rpm. Anyhow, if anyone is interrested I will post pictures of the other 9" positioner (in the first picture) which is 5 rpm. max. but near twice the torque of this one.
Reply:Whoops, put this thread in the wrong category.
Reply:wow, i really like thosethanks for the ideasMechanical Engineer
Reply:Nice stuff.  Heavy Duty too!David Real world weldin.  When I grow up I want to be a tig weldor.
Reply:Originally Posted by OMS ...Anyhow, if anyone is interested I will post pictures of the other 9" positioner...
Reply:That's really nice.  The motor assy. looks sort of like power feeds for a milling machine."Any day above ground is a good day"http://www.farmersamm.com/
Reply:Originally Posted by denrepNo need to ask if anyone is interested, just bring it on! Very nice build OMS. Thanks for posting it.I'm wondering about a few things:What kind of bearing arrangement behind the chuck?What was the original application for the little gear-motors?Does the motor still have decent chatter-free torque when slowed way down with the light dimmer?Thanks and Good Luck