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Oil-free synchronous drum motor

03 June 2019

Interroll has introduced a new version of its oil-free drum motor, based on the recently improved Interroll Drum Motor Platform.

Synchronous oil-free drum motors are by nature efficient, which means less heat losses and a much higher power density, as opposed to asynchronous oil-free drum motors which are prone to overheating and power reduction and therefore loss in torque.

The oil-free motor’s performance is only minimally impacted by the different type of lubrication. However, they do require a frequency inverter and speed and torque are slightly reduced compared to a standard synchronous motor lubricated with oil. However, high-speed applications are still possible if the belt pull force is sufficient. This is also true for low-speed applications.