Journal of the Textile Institute · 1976 · 22 citations · 0 references
Natural SciencesManufacturing EngineeringMaterials ScienceMechanical Behavior Of MaterialsPapermakingStructural MaterialsMachiningTextile MaterialsFiber SpinningSpinning TechnologyThreadThreading
An apparatus made to study the form taken by threads laid on a moving belt under different conditions is described. This mechanism of laying down the thread is a partial imitation of the mechanism of laying down the filaments emerging from the spinnerets during the manufacturing process of spun-bonded non-woven fabrics. It is shown that the form of the laid-down thread can vary according to the type of thread, the height of the feed point, and the ratio of the feed speed to the belt speed. It is also shown that there is a critical value of the speed ratio at which the form changes its geometry considerably. The conditions for a homogeneous and controlled form of the laid thread are deduced.