The speed, type and production of taker-in have a little effect on SCN removal, while back stationary flat, carding segment and all kinds of suction units have little.

• 刺辊的速度、种类、产量对SCN去除有一定的影响，而后罩板和刺辊下固定分梳板及各种吸风装置对SCN去除影响不大。