Project "WOODY 3.0XPR" worlds first wooden, adjustable, 3 roller grain mill - Page 3 - Home Brew Forums
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Old 12-16-2009, 08:52 PM   #21
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very cool. please take some pics or a video of it in action, i'm sure many would love to see it.


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Old 12-16-2009, 08:54 PM   #22
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I think it will last longer than 1-3 times - my first wooden mill (only 2 rollers) was NOT end-grain and dented up badly, but lasted for several brews. Bohdan's end-grain model will probably last a good little while.




 
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Old 12-16-2009, 09:29 PM   #23
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You might be right, that's why iam going to order steel pipe and sleeve those rollers and get it knurled. That way "woody" will be able to take what ever I throw at it. Plus it will give me option of changing sleeves with different treads on them!
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Old 12-17-2009, 02:46 AM   #24
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Nice, iam gona try it out hopefully tomorrow in mid time I find a metal pipe to sleeve those rollers. With sleeved rollers that mill will last for a lifetime.
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Old 12-17-2009, 01:37 PM   #25
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You got to at least try it first with the wood rollers!!
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Old 12-18-2009, 05:08 AM   #26
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Can you "case harden" the rollers by using a polyurethane varnish, maybe diluted with oil to get penetration into the oak? Would that add enough hardness to improve their durability? A question I don't know the answer to.

I gotta say I hope the guard is back on that table saw. I've had mine 20 years, think I'm fairly smart and careful, and yet--one moment's distraction sure humbled me.

 
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Old 12-18-2009, 12:21 PM   #27
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Reinstall the guard for sure. Table saws are absolutely unforgiving.

You can harden the wood by coating with an epoxy formulated to penetrate wood fibers. I'm not sure it would be food safe, though.

There are some really hard exotic woods out there. But their cost might exceed making the rollers from metal.
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Old 12-18-2009, 12:42 PM   #28
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I dont think I would coat the rollers with anything it will flake off with time into your grain.

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Old 12-18-2009, 04:09 PM   #29
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apoxy sounds like a bad idea, when it gona flake i will have God knows what in my beer.
yesterday i finished my chain drive system and worked on the hopper.
iam a carpenter and been working with wood for 10 years now. i newer use guards on table saw, i respect table saw and iam very carefull when iam working on it. i know that table saw is unforgiving one slip and you can loose your fingers!
most dangeres tool on the job is a dull blade, all of my blades are sharp and it cuts like a batter.
yesterday i installed motor drive but i found out that my motor is not strong enough to drive those monster rollers. today i be working on the hopper.
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Old 12-19-2009, 04:36 AM   #30
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I know a hand surgeon personally who has hundreds of dollars for every time he has heard that one. One moment of distraction, surprise, being startled, etc, and the fingers are gone. Hard to type right now while I wait for mine to heal. At least mine are just beveled on the tip, not reattached or gone. I've seen a lot of shortened or absent fingers on smart and careful but all too human guys. That's why the guard.

Your call of course. After all, they are your fingers. I hope it's never "used to be" your fingers.

If you use a penetrating polyurethane finish it won't flake, because it is in and not on the wood. It should polymerize to a plastic that is insoluble in water or alcohol. It should end up much like the plastic in my Rubbermaid cooler mash tun, I think. I'm rusty on my chemistry, so welcome correction on this. You do have to wait for all the solvent to evaporate.



 
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