Loosening sliver of roving for open-end - spinning

摘要

Combing-out roller has loosening elements shaped as points, teeth, needles, pins, combs and the like on its working surface. The difference between the circumferential speed alt. theta 1 of the element on an impact circle and the forwarding speed alt. theta 0 of the sliver/roving varies in the region (alt. theta 1-alt. theta 0) equal 3-20 msec.