The Die-Cast Copper Motor Rotor Is a Commercial Reality By Dr. John G. Cowie Copper Development Association Inc. The die-casting technology developed by the copper industry is now in commercial use and proving to be a robust process. Although still in early production, this new manufacturing process is confirming our development team's analysis that it is an economical method to manufacture copper rotors that significantly improves motor efficiency. Motors with cast copper rotors are now sold commercially by an innovative motor manufacturer, SEW Eurodrive. We believe more companies will make similar new-product announcements within a few months. MORE >>

Update: Copper Motor Rotor is published monthly by the Copper Development Association Inc. to provide current information of interest to those in the electric motor and related industries. CDA assumes no responsibility or liability in connection with this publication and makes no warranties of any kind with respect to the information contained herein.