rotor and stator detail of electric dc motor on a white background

attached background ball bearing closeup coil commutator connect copper current design detail device direct disposal electric electrical electricity electro electromagnetic electromechanical electromotor electronic electrotechnics electrotechnology engine engineering epoxy equipment ferrite ferromagnetic field gray green induction inductor industry inside isolated laminations machine macro magnet magnetic material mechanical mechanism metal motor nobody open part paste power recycle repair replace resin rotary rotate rotor round service sheet stator steel switch technical technology transformer waste white winding wire