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large bearing input needed

Stretch44875

Stretch44875

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Glad you found a design that will work. I install large tapered bearings at work once in a while, they are 20in, and support 20 ton flywheel. Pretty sure they would be overkill, and last time I dropped one boss was not happy... 3,000.00 bearing, and 6 month lead time.
 
ODdave

ODdave

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Lol, go figure. had it running today and something went wrong in the motor.........tore it apart only to find the first driven gear is made out of bakelite WTF! and of corse it was stripped Dam! called bodine and they said $100 um, no. well made another one out of brass and now where moving again. sorry the pic sux.
 

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tm america

tm america

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Seems like alot of work to do it that way... Why not make a basic cicrle cutter to mount to the center of the rim in the bolt holes...You could have used a peice 1/4 inch plate with a hole in the center mount a bearing to it with a four bolt pillow block then weld a tube to the the plate to extend down like 4 inches and weld a plate to the end of it then another four bolt pillow block .Then you could run a solid rod down through both bearings and attach an arm to the end of the rod to hold the plasma cutter ...The arm would rotate freely and could be height and diameter adjustable..no motors,no drives and no need for it to hold heavy loads..You could do them on the ground and save your back .It could be cut on the lathe to make sure everything is centered and you wouldn't need a big lathe to do it ..
 
ODdave

ODdave

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It not just for cutting hemmit wheels, there are many other types I cut and some are cut through the sides. I do a lot of wheels and I enjoy building stuff. Thanks for the reply. I used a similar idea as yours to cut circles before
 
Jones

Jones

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Looks like your set-up is working out good.
For the future; what about a little trolley head that would ride on the edge of the rim. It would in turn hold the torch head on an adjustable arm.
That way you could set height and extension and cut any size wheel.
 
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