, ensures further fibre cleaning and removal of neps from the material that is fed. waste removal is done with automatic waste evacuation system. drawing (silver form to roving bobin form) the drawing department consists of the newest autoleveller and high-end drawing machines where to ends of carded...
more hairs and fly while converting it directly to yarn when a high draft is applied. in contrary, rovings are finer and twisted so the chances for generation of hairs and fly are less with the roving operation. roving frames are also called speed frames, flyer frames, and most popularly simplex machines...