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Old 03-07-2012, 05:34 PM   #1
Anbrand
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Default Grain Mill Motor

I'm looking to motorize my new BC mill and have been looking at different alternatives. While searching I came across some inexpensive DC gear motor's that appear to have the required specifications.

http://www.3rivers.net/~cmac/gearmotors/ast-1471-5.htm

Does anyone have experience with these or is there something I'm missing as to why they are not more widely used?


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Old 03-07-2012, 06:09 PM   #2
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1.6RPM, you want like 175RPM or you'll be there all day waiting for crush. Increasing the RPM will affect your torque, too.

1/2" low speed drill from Harbor Freight is the same price and many use them. They have locking triggers, just plug into switched outlet and you have similar setup.


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Old 03-07-2012, 06:13 PM   #3
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The 1.6 should read 160. It appears to be a misprint. I already have a corded DeWalt but I'd rather have a dedicated motor.
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Old 03-07-2012, 06:24 PM   #4
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I'd say it sounds good then. Do you have a DC power source for it?
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Old 03-07-2012, 06:41 PM   #5
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350mA @ 12VDC = 4.2W. I seriously doubt that it puts out 160RPM @ 78 in-lbs?

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Old 03-07-2012, 06:51 PM   #6
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I thought it sounded like a lot of torque for a DC motor, but I'm no expert
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Old 03-07-2012, 08:40 PM   #7
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Quote:
Originally Posted by tre9er View Post
I thought it sounded like a lot of torque for a DC motor, but I'm no expert
78 in-lbs = ~6.5 ft-lbs. Not that much.

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Old 03-07-2012, 09:09 PM   #8
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Checking into it more it looks like it's 100:1 reduction - used for feeding stove pellets. My bad. Back to the drill.


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