4 Pole Motor Instead Of 6 Poles - The Torque Issues

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4 Pole Motor Instead Of 6 Poles - The Torque Issues

Messaggioda Williamhawk » mar dic 05, 2017 6:24 am


In a flexo printing machine, we are going to upgrade its folding belts system for which, after final calculations, we are required a 3phase 5KW 950rpm motor to provide 600rpm at driven side. A question raises here that what happen if we select a 5KW 1450rpm motor (instead of 5KW 950rpm) and reduce the speed at driven side by reducing the teeth of chain sprockets. Would there be same torque in both cases? This is why that normally 6poles motors are rarely available in our local market while 4poles are easily available. There is no any issue of space for sprockets and motors.


I didn't find the right solution from the Internet.


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