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Tool Talk Discussion Forum

Re: Electric motor: power vs. rpm

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greg k

12-24-2013 09:50:09
70.198.23.251



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Well I can't give you any answers but I can raise some more questions lol. IMHO you should keep the RPM's as close to factory as possible for the simple reason that most motors are cooled by the fan on the back of the motor and if it is slowed down and maybe making more heat that way, AND the fan turns slower it can overheat the motor. I am awaiting the answers so that I know this stuff for future reference.

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Steve@Advance

12-24-2013 19:29:43
107.203.134.67



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 Re: Electric motor: power vs. rpm in reply to greg k, 12-24-2013 09:50:09  
I work in a production machine shop, we have a Cosen automatic saw, came from the factory with an inverter drive. It's about 8 years old, gets run 8 to 10 hours a day, never a problem.

I think it's a 5 HP 1725RPM running through a reduction gear, don't know the ratio off hand.

I would probably go with the 1725 RPM motor, just because of the cost and popularity.



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