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Old 09-12-2009, 08:13 AM   #1
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Default mounting a blower motor to power my mill?

I have a 1/2 HP (5kcp39mg) GE blower motor that I'd like to use for my mill. It has no threaded mounting holes as far as I can tell, and no base - probably because that's not what this motor was made for.

It does have what a google search says are "resilient rings for base mounting".

Anybody have any suggestions how I can mount this securely so I can attach a sheave and belt drive my mill? Are there standard bases made for this type of thing?

Motorizing a Malt Mill has a similar motor, but he did something weird involving some kind of round mounting plate.

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Old 09-12-2009, 11:55 AM   #2
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It would make it alot easier to answer your question if we had a picture of the exact motor you plan to use.

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Old 09-12-2009, 03:37 PM   #3
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It would make it alot easier to answer your question if we had a picture of the exact motor you plan to use.
Good point. Click each photo to view the larger version.

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Old 09-12-2009, 04:35 PM   #4
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If you go on line or look in a Grainger catalog they have those resilient ring mounting bases with many different mounting measurements, pick what fits your motor. My old catalog number 394 they must be past 397 by now, I see the prices from $5.88 to $9.08. They also sell those rubber mounting rings if needed for $7.00 a pair.

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Old 09-12-2009, 04:49 PM   #5
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If you go on line or look in a Grainger catalog they have those resilient ring mounting bases with many different mounting measurements, pick what fits your motor.
Does Grainger allow sales to individuals? I remember the last time I was on the site, it said something dire-sounding about only selling to businesses and contractors...
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Old 09-12-2009, 10:10 PM   #6
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This mounting base at Grainger looks like it could be made with some large hose clamps and flat metal stock bent into a bracket...


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Old 09-12-2009, 10:22 PM   #7
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Just a thought, but wouldn't it be easier to get a corded drill at a yard sale for $5? You could even get fancy and make a switch.

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Old 09-12-2009, 11:46 PM   #8
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Just out of curiosity what RPM is your motor? My concern is that if your rpms are a little high, you'll be "shredding" a lot of husks... you can use a belt and a couple of pulley wheels to reduce the RPM to what ever you like.

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Old 09-13-2009, 04:50 AM   #9
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There is always the option of putting a big hose clamp or two around the middle of the motor. It looks like a clamp for a dryer hose should be about the right size. A short piece of flat stock metal running parallel with the shaft could be anchored to a couple of small blocks of wood, which attach to whatever platform or frame. Not elegant, but pretty sturdy. After all, it's a fan motor.

I attached a pencil sharpener to a pipe with two hose clamps 17 years ago, and none of my boys or their friends have managed to knock it off yet.

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Old 09-13-2009, 06:12 AM   #10
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Does Grainger allow sales to individuals? I remember the last time I was on the site, it said something dire-sounding about only selling to businesses and contractors...
They do not sell to the public unless you have a wholesale license, are in their system or have a friend that orders thru Grainger. Just use their number and do a Will Call in order and pay cash for it.

Use a standard motor mount and shorten it up for the shorter length motor you have.
Is that a 1,100 rpm motor or 1,750 rpm as your way over the rpm limits of your mill unless
you get the proper pulley reduction ratio.
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Last edited by BrewBeemer; 09-13-2009 at 06:19 AM.
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