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Home Brew Forums > Home Brewing Beer > DIY Projects > Other > Coupling for grain motor/barley crusher
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Old 01-07-2012, 04:04 PM   #1
bf514921
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Default Coupling for grain motor/barley crusher

i am looking at couplers of connection my motor to my grain mill, and one of the biggest questions i have is do lovejoy couplers like this
http://www.amazon.com/Lovejoy-Size-L...5952162&sr=1-6
have a set screw?


or will this on work, even though my drive shaft is 1/2 inch and my driven shaft is 3/8 inch
http://www.amazon.com/Boston-Gear-Co...ecc_rvi_cart_4

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Old 01-07-2012, 05:32 PM   #2
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The latter looks very similar to the set I use between gear motor and BC mill, but at around half the price I paid to Surplus Center.

There are set screws in these in addition to keyways. I put a drop of blue Loktite on the screws and I set them on the flats on the shafts at each end. Works fine...

Cheers!

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Old 01-07-2012, 07:43 PM   #3
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sweet, i couldn't tell if the lovejoy had a set screw or not, for my stuff i need the set screw. thanks for the surplus center link, i appreciate it, brew on!

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Old 01-07-2012, 11:57 PM   #4
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When you buy your lovejoy, you will buy three pieces. One coupler sized for the motor shaft, one sized for the mill shaft and a "spider" to couple them. And yes, they will have set screws.

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Old 01-08-2012, 01:18 AM   #5
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Look on ebay for the lovejoy i just ordered one a few days ago all 3 pieces where $14 shipped.

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Old 01-08-2012, 03:53 PM   #6
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all the pics i saw, i couldn't tell if the lovejoy couplers had set screws, sweet

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