| 摘要 |
<p>Open-end spinning rotor having a shaft which is journalled in bearings is provided with an electric drive formed by a stator and rotary armature supporting on its inner face parpherally spaced, axially extending permanent magnets which are embedded in polyamide. Axially extending portions of polyamide are provided with axially extending bores in which can be located dynamic balancing wts. Spinning rotor can be balanced effectively in a speedy manner.</p> |
