THE INFLUENCE OF THE DELIVERY CYLINDER OF RING SPINNING MACHINE ON YARN QUALITY INDICATORS

Alijon A. Yusupov; Muhammad R. Sadikov; Orifjon T. Mamatqulov; Akhatjon A. Abdusaidov

Authors

Alijon A. Yusupov PhD, Assistant, Department of Mechanics, Namangan State Technical University, Namangan, Uzbekistan
Muhammad R. Sadikov PhD, Assistant, Department of "Labor Protection and Ecology," Namangan State Technical University, Namangan, Uzbekistan
Orifjon T. Mamatqulov Associate Professor, Department of Technological Machines and Equipment, Namangan State Technical University, Namangan, Uzbekistan
Akhatjon A. Abdusaidov Assistant Department of Technological Machines and Equipment, Namangan State Technical University, Namangan, Uzbekistan

Keywords:

Ring spinning machine, delivery cylinder, flute, groove, yarn quality, hairiness, unevenness, strength, elongation, geometric parameters, fiber motion.

Abstract

This article investigates the influence of the flutes (grooves or notches) on the surface of the delivery cylinder (i.e., the final drafting pair) in a ring spinning machine on yarn quality. The study examines the geometric shape, depth, spacing, and orientation of the fluted cylinders as variable parameters and analyzes their impact on key yarn quality indicators—strength, elongation, hairiness, and unevenness. Experimental work was conducted using yarns made from natural fibers (cotton). The obtained results demonstrate that properly designed fluted cylinders ensure controlled fiber movement, improving yarn uniformity and reducing hairiness. At the same time, incorrect flute parameters may lead to fiber breakage and degradation of yarn quality. The article concludes with recommendations for optimal flute geometry and parameters.