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motor size

 
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tocoti



Joined: 13 Sep 2011
Posts: 2
Location: USA

PostPosted: Sat Sep 24, 2011 1:41 pm    Post subject: motor size Reply with quote

Hello
I make chocolate and needed some help building a tool.
I have a chocolate melter 12x19x4. I would like to fit it with a "wheel" but don't know how to calculate motor size. It needs to be able to turn a 12 in disc emersed in 4 in of chocolate at about 1 rpm. so it's pulling about 1-2 lb of chocolate on a disc vertically. Any thoughts?
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Dilbert



Joined: 19 Oct 2007
Posts: 1012
Location: central PA

PostPosted: Sun Sep 25, 2011 8:54 pm    Post subject: Reply with quote

... odd thoughts . . .

fractional hp - try 1/4

first - if you're in a commercial setting, needs to meet wash down / sanitary regs. puts a big crimp on the selection.....

second, gearing down a 1800+/- rpm std 60 Hz motor to 1 rpm will provide more torque and power than you ever want to get your hand caught in.

third, go not undersize. one could presume this motor will run for hours at a clip. too small could lead to over heating.

it's not like you're going to save couple million on a 0.1189650 hp motor vs a 0.25
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