Lean engine
Light but robust
A world first from Stöber: the sensorless lean motor is significantly lighter and smaller than an asynchronous drive and cheaper and more robust than a servo drive, while delivering the same performance. With the lean motor, speed and torque can be infinitely adjusted from standstill to maximum speed with full torque control.
For this purpose, Stöber has combined the drive with the SC6 and SI6 controllers. Positioning encoders are therefore not required. The speed deviation is less than one percent and the positioning accuracy is plus/minus one degree. Because the controllers have a very compact design, users save costs when purchasing, commissioning and maintaining them - and are more flexible in their design at the same time. As the motor does not require any sensors at all, only a standard power cable without additional wires or shielding is required.
With an efficiency of up to 96 percent, the lean motor can exceed efficiency level IE4 in the respective power group. Asynchronous motors usually only achieve a similar level of efficiency by using more or higher-quality materials such as copper. As a result, these motors are larger and heavier. The new motor class is used, for example, for dynamic automation tasks in harsh production environments. as
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