Higher range synchronous servo motors

Fourth Quarter 2020 Electrical switching & drive systems & components

With twelve new variants of the synchronous servo motor MS2N, Bosch Rexroth is expanding the performance range of the engine series at the high end. With up to 692 Nm, the maximum torque is almost doubled. These new, compact motors offer high continuous power and an extended speed range to manufacturers.

Bosch Rexroth has increased the continuous power within the small installation space through optimised electromagnetic design and use of the reluctance effect to create torque. The new frame size MS2N13 comprises four compact lengths in three cooling variants each: self-cooling, force-ventilated or water-cooling. With a continuous torque of up to 345 Nm and maximum speeds of up to 3600 rpm, they are particularly suited for powerful applications in plastics processing machines, in forming technology or in heavy duty machining.

The MS2N motor series is a true all-rounder for all applications in automation, and combines dynamics with compact dimensions and maximum energy efficiency. The motors can be configured flexibly, with a wide range of shafts, encoders and holding brakes to choose from. The integrated SafeMotion encoders with the high performance class SIL3/PLe make additional safety components in the machine redundant.

The encoders interact with drive controllers to work as sensors and collect the operational data of the axis. This way, the motors are integrated in the increasingly networked field level of the future. MS2N also plays an integral part in maximising productivity in the new Bosch Rexroth Automation world, dubbed ‘ctrlX Automation’.

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