Introduction to dc motor controller in the stator frame

Dc motor controller is composed of stator and rotor of two parts, one of the stator and the rotor is composed of multiple components. For example, the stator is composed of base, main pole, commutating pole, end cover, bearing and electric brush device, etc. Below small make up said the stand in the stator. Motor controller of the stator is known as the base, its function has the following points: 1. Can be used for fixed main pole, commutating pole and end cover, the support of the whole motor controller and fixed effect. 2. Since it itself is part of the magnetic circuit, so as to make access between the magnetic pole. Ensure the base has enough mechanical strength and good permeability performance. Through the above, do you know about whether dc motor controller in the stator frame.