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Industrial Electronics

Compact Electric Drive Promises High Efficiency

04 December 2017

For engineers looking for a more cost-effective and better performing replacement for an AC motor but don’t Source: STOBERSource: STOBERrequire a high specification Servo Drive, the new LeanMotor from STOBER is the ideal solution.

The LeanMotor is a highly efficient and compact electric drive that is significantly lighter and smaller than an asynchronous drive. With the same output as a more expensive servo drive, this makes the new LeanMotor a robust and cost-effective option for those looking for higher performance at a lower cost.

More rugged than a synchronous motor and delivering better performance than an asynchronous motor, it exceeds the IE4 efficiency level in its respective performance group. Its fan-less construction, with integral holding brake, means it is smaller than comparable drives and with a single power connection, very easy to fit.

The LeanMotor can be used for dynamic automation tasks in harsh production environments. It also allows for variable regulation of speed and torque from a standstill to maximum speed with full torque control, without the need for positional sensor elements. Engineers can design more compact and robust machines while users benefit from lower energy consumption and long service life. The smaller size and lower weight combination provide a 30 percent improvement in cost-efficiency. It can regulate more dynamically and efficiently when compared to an asynchronous motor with incremental encoder thanks to its greatly reduced flywheel mass.

When combined with the STOBER SC6 or SI6 drive controllers, the LeanMotor allows for variable regulation of speed and torque, from standstill to maximum speed, without position sensors. Speed and positional accuracy is ± one degree.

Applications include all types of automation and precision positioning, including manufacturing, packaging, paper, converting and pump drives.

To contact the author of this article, email sue.himmelstein@ieeeglobalspec.com


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