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Speed Reducers

A speed reducer slows electrical currents in power transmission to protect against surges, and to make dangerous levels usable for normal applications. Choose the right speed reducer from a variety of shaft assemblies and torque capacities. Use a mounting base or a torque arm when the reducer is not directly attached to a drive mechanism. Shop speed reducers and essential power transmission equipment at Grainger.

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Speed Reducers Q&A

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Speed Reducers
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Gear reduer

Hello,

Thank you for providing the contact email for enquires.

I have a DC motor with a 182 N.m torque, 40 rpm and 0.75 Kw. I would like to add a gear reducer to reduce the 40 to 2 rpm. Do you have a Gearr reducer for that purpose ?

Is there any other important considerations to reduce the speed from 40 to 2 rpm ?

Thank you
2 years ago
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Answer: 
You will need a speed reducer with a 20:1 Ratio that can handle an approximate HP of 13 at the input shaft.

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1 year, 11 months ago
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Decrease RPM

I have dayton 60 gallon air compressor, I just did swap the motor last weekend same 5 hp 1 phase motor 184T unfortunately the RPM is too much of what my air pump need. Max RPM my air pump is 1705 RPM. Are there anyway I can slow the rpm?
Am thinking going to bigger pulley matching what I have on the air pump 14 inch, would that work?
4 weeks, 1 day ago
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Answer: 
If the RPMs match from your old motor to your new motor and the pulley and flywheel are the same, the RPM reduction should be correct by virtue of the ratio of the pulleys. A smaller pulley on the motor will reduce the RPM of the flywheel. Give us a call at 1-800-Grainger and ask for the Compressor Team to resolve any doubt.

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