| 摘要 |
<p>The motor has frame (1') ensuring the concentricity of a stator (1)-rotor (5) and made of a plastic material of good heat resistance and embedded in another frame (2'), where the latter frame is made of another plastic material resistant to chemical agents such as caustics, acids, trichloroethylene, detergents, petrol, and antioxidants. The former frame is made of polybutylene terephthalate (PBT), and the latter frame is made of polyamide 12 (PA 12) or polypropylene with 30 percent glass fiber. The former frame includes two flanges fixed together by screws (9).</p> |
