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home built grinders

buzzy

Smoking Fanatic
OTBS Member
703
294
Joined Feb 11, 2007
looking for photos of grinders that started out as hand grinders then fitted with a motor  Just got a motor & gear box an looking for ideas so I dont do the work twice 
 

jockaneezer

Meat Mopper
222
15
Joined Jun 24, 2013
Hey Dave that exposed large pulley looks like it could drag you in and grind you up nicely too ! A cheap option for the large pulley would be one off the drum on a broken down front loading washing machine, not too sure how popular that type are stateside but they are the norm over here. They're usually fitted with a polyvee drive belt which would probably be happy running on a plain diameter drive shaft, which with the right sized bearings would save the cost of an intermediary pulley.
 

timberjet

Master of the Pit
3,533
154
Joined Jan 29, 2010
I will pm you everything you need to rube goldberg up that dream contraption if you would like.
 

diggingdogfarm

Master of the Pit
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Joined Jun 23, 2011
Most importantly you'll want to do the proper pulley/gearbox calculations so the grinder doesn't operate at more than 30-40 RPMs....any faster than that you're asking for trouble....smear...heat...etc.
With the gear reduction you shouldn't need a very hefty motor...1/4 hp maybe!?







=Martin=
 

woodcutter

Master of the Pit
OTBS Member
3,323
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Joined Jul 2, 2012
I had a similar set up. I had a variable switch from a tread mill but never got to try it.
 

jockaneezer

Meat Mopper
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15
Joined Jun 24, 2013
Hey Timberjet, I had to Google Rube Goldberg, seems he's a cousin of Heath Robinson 
 

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