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Home Brew Forums > Home Brewing Beer > DIY Projects > Motorized Grain Mills: Time to show them off!
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Old 02-06-2010, 08:24 PM   #21
Shay
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Here is mine. It is a monster mill 2.0 3 roller.




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Old 02-06-2010, 10:20 PM   #22
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[QUOTE=Shay;1865950]Here is mine. It is a monster mill 2.0 3 roller.

/[QUOTE]

Can you show me hope you hooked up the on/off and forward/reverse swithces?

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Old 02-07-2010, 02:18 AM   #23
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I built mine back in 1994 or '95 and finally got around to building a dedicated cabinet for it last year to help contain the dust from milling. The mill is mahogany and white oak body with white oak roller support slider for gap adjustment. Mahogany plywood hopper. 2" x 8" hardened tool steel rollers powered by a 200rpm gear motor. The torque on the motor is unreal. I'd like a bigger hopper, but it mills as fast as I can pour the grain in, so it's not that big of a deal for me.

img_3301-medium-.jpg   img_3302-medium-.jpg  
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Old 02-07-2010, 02:53 AM   #24
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Here's V2.0 of my former Valley Mill. Paint and wiring in the switch comes tomorrow.
I heated the bottle neck up and narrowed it up in the vice and made it twice as wide. Not brewing till next weekend, so we'll see how it goes then.




The last hopper wasn't steep enough and didn't distribute the grain along the roller very good.

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Old 02-07-2010, 09:19 PM   #25
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Bodine gearmotor off e-bay, DC, converted to AC. A lovejoy and a right-angle attachment for a power drill - sits on the bucket, goes anywhere, doesn't take up much space. The rpm is low, torque is high, bet it would crush rocks.




the DC to AC converter box I built (with a little help from an electronics forum)

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Old 02-07-2010, 10:54 PM   #26
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Here is one that I built

http://www.homebrewtalk.com/f51/diy-...t-pics-124495/

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Old 02-10-2010, 03:19 AM   #27
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Question for the group. Is there a point where mill speed becomes too slow?

Other than the obvious of taking more time. I have a dayton motor and some sheaves. According to my math I will get 132 rpm with 47 in/lbs of torque on the mill shaft. Acceptable?

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Old 02-10-2010, 01:42 PM   #28
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Here's mine. Sorry for the crappy iPhone pic.

JSP Malt Mill. 1/2hp motor. Taken right before I cut the hole for the hopper.

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Old 02-10-2010, 02:55 PM   #29
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Quote:
Originally Posted by cascadia View Post
Question for the group. Is there a point where mill speed becomes too slow?

Other than the obvious of taking more time. I have a dayton motor and some sheaves. According to my math I will get 132 rpm with 47 in/lbs of torque on the mill shaft. Acceptable?
Yes, perfectly acceptable. Lower mill speeds generate less dust. I'm running mine at only 115 rpm. Plenty fast enough for me.
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Old 02-10-2010, 03:47 PM   #30
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Mine's turning at 62. Of course if I go pro, that will be too slow...

you should be fine.

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