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Old 03-10-2012, 08:02 PM   #11
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That's one reason I went with a gear motor at 105 rpm's. Another plus is the fact that now I don't have as much stress and wear on the mill bearings that I would from a belted application and less danger from moving parts like belts and pulleys.


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Old 03-12-2012, 05:32 PM   #12
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Okay only issue I have found is that I cannot find a 12" that can go onto the mill shaft that is 3/8". The motor shaft is 1/2" so no issues there. Anyone know of a way around this?


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Old 03-12-2012, 05:45 PM   #13
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Buy a piece of 1/2 in bar stock and drill a 3/8 hole down the center. Drill and tap a hole in the side for a set screw.
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Old 03-12-2012, 06:01 PM   #14
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Should I make it wider or the same width of the pulley. Worried about keeping in balance and stability.
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Old 03-12-2012, 06:04 PM   #15
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I would make it the same width but it really doesn't matter. I would also use a lathe or drill press to insure that you are drilling exactly down the center of the bar stock or you will get a wobble in the pulley.
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Old 03-12-2012, 07:08 PM   #16
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Mine is the exact spec you list. 120 volt single phase, 1750 rpm, 1/3 hp, and 60 hz.

I run a 1.5 inch pulley on the motor shaft and a 9 incher on the grain mill. Works wonderfully. Starts up with grain in the hopper, and never seems to be burdened.
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Old 03-12-2012, 07:09 PM   #17
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you can buy spacers to go from 3/8 to 1/2 shaft sizes. check mcmaster.com


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