The asynchronous motor technology offers an easy solution for the e-traction. Two types of induction motor could be differentiated according to the used squirreled cage materiel, namely aluminium and copper. The copper rotor motor is being developed by many OEMs as a premium solution. The economical way to produce rotors for induction motors is the casting, independent of the applied squirrel cage material. High pressure die casting is the casting process attaining the highest productivity. The cast parts are near net shaped and often are they used unmachined in their as-cast condition.

    The actual industrial demands, due to the used very high motor rpm, require parts with improved physical properties, i.e. high tensile strength with good electrical conductivity in very narrow slots. Just only the pressure die casting technology is ready to fulfil the mentioned requirements.

    In the case of copper rotor, two manufacturing technologies are still in the race, namely the fabricated and the cast squirrel cage. Just only with the casting technology is possible to fill the newly developed very narrow rotor slots. Today it is possible to cast 1.3 mm thin slots with a stack length of 200 mm.

    At present, the Breuckmann group is developing in Hungary together with the University of Miskolc and Öntögepszerviz Kft. a casting system and a manufacturing cell for large-volume production of rotors with high process reliability. In the foreseeable future, the company will offer economically advantageous solutions for the industrial production of rotors for asynchronous motors.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Copper Rotor Technology for High Efficiency Motors


    Additional title:

    Lect.Notes Mechanical Engineering


    Contributors:

    Conference:

    Vehicle and Automotive Engineering ; 2018 ; Miskolc, Hungary May 23, 2018 - May 25, 2018



    Publication date :

    2018-05-10


    Size :

    13 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




    Copper Rotor Technology for High Efficiency Motors

    Bárdos, András / Walczer, Csaba / Kéri, Zoltán et al. | TIBKAT | 2018


    Rotor motors

    Online Contents | 2006


    The Case for Induction Motors with Die-cast Copper Rotors for High Efficiency Traction Motors

    Peters, Dale T. / Brush, Edwin F. / Kirtley, James L. et al. | SAE Technical Papers | 2009


    Compliant Core-Rotor Stepping Motors

    Hassanein, A.A. | Online Contents | 1995


    Step motors with rotor source

    Vasil'Ev, Yu.K. / Prokof'Ev, Yu.A. / Vainberger, G.Ya. | Engineering Index Backfile | 1963