Thanks to our patented cut and fill technology, we succeed in filling the rotor in a uniform and controlled manner and thus create the basis for the optimal performance of your e-motor.
The fields of application of copper rotors can be divided into two classes.
Rotors for industrial motors: Here the rotational speeds are often less, so that we can work with pure copper as the rotor material.
Rotors for e-mobility: Outstanding motor efficiency is achieved here for high rotational speed concepts. The copper rotor is under strong mechanical stress caused by the centrifugal forces of the rotating mass. The required rotational speed of a given rotor diameter determines whether it is possible to use technically pure copper. If the threshold is exceeded in relation to thermo-mechanical loads, we recommend our pure copper mircoalloy, which offers increased tensile strength and high temperature strength.