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AC or DC? Posted by MI-Roger [Email] (#882) [Profile/Gallery] (more from MI-Roger) on Fri, 10 Dec 2010 03:54:36 In Reply to: OT: Slowing down an electric motor?, Eiron, Thu, 9 Dec 2010 22:41:55 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Since motor RPM is listed as 3400 RPM it sounds as if it is an Alternating Current motor, but the 24v is odd. Assuming it is AC you will not be able to reduce motor speed by lowering voltage, you will only burn up the motor by trying it. For reducing the speed of an AC motor you will need a very small VFD (variable frequency drive).
Almost all wheel grinder motors operate at 3400 RPM. Why the desire to slow the motor for your home built belt grinder? A 2:1 pulley arrangement will easily drop your belt speed without worry about motor heat and burn out.
posted by 98.250.156...
_______________________________________ Saabs owned: 2008 9-5 Aero Sedan, sold at 227K miles 2006 9-3SC 2.0T - Wife's daily driver 2000 Viggen Convertible - Sold May, 2022 1964 Quantum IV Formula Car - Retirement project 2000 9-5lpt Sedan, sold at 318K miles
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