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Home Brew Forums > Home Brewing Beer > DIY Projects > Other > My DIY grain mill
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Old 11-15-2012, 07:14 PM   #1
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Default My DIY grain mill

Just finished up the machining on my DIY grain mill. I just need to get a base and hopper made for it now. Hopefully, I will get some free time this weekend and can finish it up!

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Old 11-15-2012, 07:27 PM   #2
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Wow, nice! I'd be interested to hear more about how you sourced materials, how you did the machining, final cost, etc. Is is adjustable? Looking forward to seeing the results of the milling.

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Old 11-15-2012, 08:27 PM   #3
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How are you doing the knurling? I wouldnt mind building my own if I could find shafts.

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Old 11-16-2012, 01:36 AM   #4
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Originally Posted by mragin View Post
Wow, nice! I'd be interested to hear more about how you sourced materials, how you did the machining, final cost, etc. Is is adjustable? Looking forward to seeing the results of the milling.
All the materials used in the mill was scrap that I found at work. I did all the machining on free time. The rollers are adjustable. They are 6" 1.500" 1018 barstock that I knurled and turned down on a lathe. The frame is .500" aluminum plate. As far as price, it didn't cost me anything since it was all scrap. I would like to rig up an electric motor to drive it since I don't have anything in it so far.
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Old 11-16-2012, 01:37 AM   #5
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How are you doing the knurling? I wouldnt mind building my own if I could find shafts.
The knurling is done with knurling rollers on a lathe.
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Old 11-16-2012, 01:48 AM   #6
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Did you make it adjustable? I have a lathe I'm rebuilding and thought this would make a decent project....as far as I can tell, the adjustment requires some sort of cam action/eccentric movement of one roller. Not sure how that might work....

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Old 11-16-2012, 02:09 AM   #7
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It does. The knobs that stick out are the eccentrics. They are simple to make. You just machine the bore for the bushing off center. Then the knobs rotate in the frame itself. The long bolts that stick out are used as a set screw to keep the knobs in place once the gap is set allowing the roller to turn in the bushing.

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Old 11-22-2012, 07:39 AM   #8
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Hi HDBrewer, the mill looks good . I'm in the process of making one myself. Even am not sure how the eccentrics work for adjustments. Can you post a few more pics of the plates with the bushing/bearing.

Thanks!!

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Old 11-22-2012, 02:55 PM   #9
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Have you tried it yet the knurling looks a little fine (not criticizing just asking) making one myself so wondering. Nice work

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Old 11-22-2012, 03:00 PM   #10
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That is impressive!! Good job!

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