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Old 10-16-2006, 01:16 AM   #51
Yuri_Rage
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Quote:
Originally Posted by Chairman Cheyco
How are you keeping the eccentirc bearings in place?
I think sullifan was trying to give you the answer - in the pic with the bucket, look right between the rollers on the ends, you'll see a 1/4" bolt acting as a set screw.
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Old 10-16-2006, 01:21 AM   #52
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Oh I see how you have it setup now. I saw that but couldn't discern what it was. I figured you were going to come in from the top or side with hex-socket set screws.

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Old 10-23-2006, 01:44 AM   #53
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Default It's done!!!

Finally, it's complete. I'll probably powder coat the hopper, but it works! The hopper holds about 15 lbs of grain, but I've yet to brew with it, so I don't know how fast it'll chew through that much. More to follow...brewing soon!

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Old 10-30-2006, 05:47 AM   #54
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So I finally used this thing! It works pretty well - needs a refinement or two. Bigger buckets would be a good investment since it slings grain out of the small gaps on either side of my 6.5 gallon buckets. Maybe I'll use one of those tall kitchen trash cans. Also, I had the gap set too wide. It wasn't apparent right away, but when I dumped my spent grains, I noticed a lot of intact hulls. My efficiency sucked. However, I crushed (or mostly crushed) 31 lbs of grain as fast as I could measure and pour it. Next time I'll pay more attention to the crush quality before I get excited and dump it into the mash tun!

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Old 10-30-2006, 12:26 PM   #55
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I wouldn't be so concerned about the intact hulls; actually I try to achieve a balance of good crush while leaving the hulls intact or as much as possible so that they will function as a filter once I start recirculating. Your grain mill looks incredible. Did you powder coat the hopper yet? You must have every tool available, I'd never leave my shop if it was stocked as well as yours. It has been fun to watch your progress on the mill and your fermenter. Thanks for the picts.

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Old 10-30-2006, 01:01 PM   #56
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Yuri, how much would you charge to make up a couple of rollers? I'm thinking of doing this, primarily so I can buy my grain up-cracked for freshness (I often don't get a chance to brew until a couple weeks after my original plan), and I want to get a sense of how much the whole thing would cost me to put together. Prolly the only thing I couldn't do myself is those rollers.

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Old 10-30-2006, 02:57 PM   #57
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I've offered this to a few folks via private message now, so I'll just post it here. Although my mill has steel rollers, I'm only offering to machine aluminum ones. I'd have to charge a lot more for steel rollers because they take so much longer to machine. Send me a PM to set up the details.

Your choice of length 2" dia. aluminum roller (at least 3" long, no more than 12").

1/2" OD steel drive axles threaded into the ends - I'll include those, so I know they fit. Unless you tell me otherwise, the axles will extend 3/4" from the roller ends, except for the drive axle, which I'll make 2 3/4."

You'll need to fabricate a housing with 1/2" ID bushings/bearings, a drive mechanism, and a hopper.

Cost by this formula:
(Roller length * 5) + $10
i.e., 10" rollers would be $60.

Subtract that extra $10 for a few homebrews.

And to answer the question from runhard - I haven't powder coated the hopper yet, but I'll post a pic when I do. Maybe I mispoke - I noticed a significant amount of completely intact kernels. I think setting the gap just a little tighter would take care of that. I enjoy my shop way to much...thank God SWMBO puts up with it!

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Old 10-30-2006, 03:04 PM   #58
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OK, I'll let you know. Time to spend some more time in the hardware store visualizing how to put all of this together (and re-reading this thread a couple times).

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Old 12-19-2006, 05:03 PM   #59
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Yuri - What type of tool did you use with your lathe to texture the rollers like that? I'm not all that familiar with lathe tooling, though I have access to one.

Thanks

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Old 12-19-2006, 06:29 PM   #60
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Quote:
Originally Posted by JoeRags
Yuri - What type of tool did you use with your lathe to texture the rollers like that? I'm not all that familiar with lathe tooling, though I have access to one.

Thanks
It is a knurelling tool used on a lathe and they come in many different patterns. I think they have them in the MSC cat. I'm pretty sure I spelled it wrong but it will get you close.
Yuri, the mill looks great!!!!
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