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Old 05-10-2012, 12:00 AM   #1
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Default Motorized mill project

Well, been brewing for a few years now and decided to make the jump into all grain last year. Not that we weren't making good beer, just wanted more control over the process. It did not take long to realize that buying bulk grain was the way to go, especially with the cost of shipping or fuel to drive to the LHBS for supplies ( crushing included ). The assistant brewmaster purchased a shiny new Crankandstein 3D ( that thing is sweet ). My job was to build the stand, so I though I would share the process.

Once I purchased the 16ga 1x1 tubing, I broke out my trusty Snap-On MIG and proceeded to weld up the structure. After welding and grinding ( which sucks by the way ) I shot it with grey primer, then a really cool hammered copper color.

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Here is a close-up

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I also designed the stand to use 3/8'' elevator bolts for those uneven places I might put it.

img_2294.jpg

More to come later...

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Old 05-10-2012, 01:20 AM   #2
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Great start! DIY doesn't have to look good to get the job done. But if you want the extra credit, you gotta bring the bling! Can't wait to see where you go from here.

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Old 05-10-2012, 12:50 PM   #3
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Great start! DIY doesn't have to look good to get the job done. But if you want the extra credit, you gotta bring the bling! Can't wait to see where you go from here.
+1 Who doesn't like a little bling on brew day...

Assembling the electrics today, will post the results this afternoon.
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Old 05-10-2012, 07:14 PM   #4
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Now for the electrics. Below are the required items for assembly.

img_2289.jpg

Two short cords with male plug ends. The motor plugs into the switched outlet, and the switch box to an extension cord. I was even able to find a nice brushed copper cover plate.

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Shot with motor plugged in. The motor size chosen was a standard 120V, 1/4 HP, 1725 RPM. Shouldn't be hard to find if I need a replacement.

img_2298.jpg

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Old 05-11-2012, 06:30 PM   #5
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what's the top of that white table you have there? I like it, might have to get me some metal and weld one up.

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Old 05-11-2012, 08:31 PM   #6
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Wow what a clean work shop

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Old 05-11-2012, 09:37 PM   #7
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what's the top of that white table you have there? I like it, might have to get me some metal and weld one up.
Its a piece of 3/8" plate steel. I needed a flat level surface for welding. Since it's bare steel, that lets me attach the ground clamp from the MIG directly to the table, then once I lay out my pieces I can weld them without having to clamp the ground directly to the pieces I'm welding. The welding table frame is 11 ga 2 x 2 square tubing.
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Old 05-12-2012, 02:53 AM   #8
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Installed the top this evening, I picked up a 24 x 24 x 3/4 piece of oak veneered plywood from Lowes, cut the hole for the mill then stained and sealed it.

I wanted to place the mill dead center instead of offset to one side. The mill was ordered with the 1/2’’ shaft option, but it only extends 2 1/8’’. That left me with 2 choices. Cut a slit in the table top for the pulley or extend the shaft. I chose to extend the shaft. I cut an 8’’ piece of 1/2’’ round bar and drilled the set screw points for the pulley and lovejoy connector, then installed the shaft into 2 pillow blocks to secure it.

According to Crankandstein, I would need about 200 RPM at the mill. So with a 1 1/2’’ pulley on the motor running 1725 RPM a 12’’ pulley would get me around 215 RPM at the mill – close enough.

The mill does not come with any side plates, I’m good with that, I like diamond plate anyway…

Although it required a few more parts, it worked out great.

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After taking it off the table, this thing is getting a little heavy. Gonna have to rethink the elevator bolts and put it on some casters.

img_2545.jpg

Gonna give it the finishing touches this weekend.

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Old 05-12-2012, 12:21 PM   #9
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That is freakin' sweet! Very nice job in the finishing touches - definitely a project I want to undertake so I can have both hands free for milling instead of using the drill.

Where did you find the motor and pulleys?

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Old 05-12-2012, 03:33 PM   #10
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That is freakin' sweet! Very nice job in the finishing touches - definitely a project I want to undertake so I can have both hands free for milling instead of using the drill.

Where did you find the motor and pulleys?
Thank you, The 1 1/2" pulley and belt I found at a local farm supply store ( tractor supply ). The 12" pulley I ordered from Grainger. My father donated the motor to the cause... He is a heating contractor so he had a few used motors laying around, but you could find them at the same places ( farm supply or Grainger ).
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