Interroll has introduced a new version of its oil-free drum motor based on the new and improved Drum Motor Platform. Oil-free motors have been installed and are currently in use as a proven solution for many applications, in particular in the food industry, since 2010. The new oil-free drum motors introduced into the market are based on the improved Interroll Drum Motor Platform. Synchronous oil-free drum motors are very efficient, with 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.
Compared to standard drum motors, the oil-free motor’s performance is only minimally impacted by the different type of lubrication. Also, compared to a standard asynchronous motor, oil-free synchronous motors are stronger and better performing. But they 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. Typical oil-free motor applications include transportation and packaging of lightweight goods such as candy, chocolate or pralines.
No Leakage Issues In Sensitive Production Processes
Food manufacturers who have to comply with certain restrictions regarding food contamination can benefit from this new option. Oil-free drum motors can be used for any application where the belt moves slowly (i.e., when the production process is in steps and accuracy is of paramount importance, like portioning and cutting for instance). When installed correctly, the Drum Motors do not have leakage issues. The oil-free drum motor makes the entire production flow safer as it eliminates any potential risk of oil contamination. It works well in cool temperatures, which are often a requirement in the food manufacturing sector, for example, in certain industries such as fish processing.
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