The part name and material / characteristic corresponding to the product serial number ﹣ serial number name, material / characteristic serial number name, material 1, stator part 1, adopting the overall stretching shell, with high waterproof performance; 2, adopting the high-performance magnetic tile, ensuring the stable operation under continuous long-term operation 5, reducer shell part 1, adopting the machining center, ensuring the product accuracy and stability; 2, adopting the oil bearing at the output end, The motor has low running noise, more stable 22 kinds of water-proof rings are installed in many places, and the water-proof performance is improved more effectively. 6. The gear parts are made of high mechanical strength and rigid materials, which are resistant to repeated impact to ensure that the motor can work stably for a long time. 3. Armature parts