The part name corresponding to the product number and the material / characteristic number name material / characteristic number name material 1 the base is made of high-temperature resistant material, with small deformation under high temperature condition, the motor works stably 4 the brush holder parts are made of low-noise, long-life electric brush, the motor can work for a long time under low noise condition 2 the rear end cover is made of progressive die stamping process, with good product consistency and high motor coaxiality. More stable operation 5. High performance magnetic tile is used for stator parts, and the operation is more stable under high temperature 3. Armature parts 1. High temperature enameled wire is used, and the motor can work stably under high temperature environment; 2. Silent bearing is used, and the motor operation noise is small; 3. Full automatic is used.