Slivers are fed through the lapper that smooths them to a thin layer of fibers which is wound onto a roll.
送入成卷机的棉条被拉伸成薄层并卷绕在筒管上。
Aiming at the poor web uniformity of non-woven fabrics produced by traditional cross lapper, the motion control bus SERCOS is applied in the digital servo system of the W1251 cross lapper.