Hollowspindle spinning is also called parallel spinning or wrap spinning. It is a kind of new spinning methods.
空心锭子纺纱又称平行纺纱或包缠纺纱，是新型纺纱方法的一种。
2
Three quenched bushes are pressed on the hollowspindle (sleeve) with a big interference fit, thus the spindle can move forward and backward precisely within the bush.
三个大干涉配合的淬火衬套压装在空心轴（镗套）上，因此，主轴能在衬套内前后精确移动；
3
The relevant methods for the complex spinning have been introduced, including rotor spinning, hollowspindle wrap spinning and ring spinning.