EXPERIMENTAL INVESTIGATION OF THE PERFORMANCE OF A FEEDBACK TENSION CONTROL SYSTEM DESIGNED FOR WARPING MACHINES

Year 2019, Volume: 29 Issue: 4, 289 - 299, 31.12.2019

Özge Çelik , Recep Eren , Merve İhtiyar

https://doi.org/10.32710/tekstilvekonfeksiyon.552034

Abstract

This
paper presents a research work which investigates experimentally the
performance of a tension control system realized by a controlled disc brake. An
experimental set-up was established by using a creel with step motor controlled
disc brake, laser distance sensor, yarn tension sensor and a 2-unit winding machine.
A software was developed in C programming language to read yarn tension and bobbin
diameter data and then to control the disc brake by step motor drive. Experimental
investigation was carried out with three different cotton yarn counts and unwinding
speeds. It was shown that yarn tension changed from full to empty bobbin at a
significant amount depending mainly on yarn number and unwinding speed. The feedback
tension control system based on adjusting level of braking responded well to
short, medium and long term tension variations and enabled unwinding tension
control mostly within ±1 cN deviation from the adjusted value. 

Keywords

warping, tension control, creel, tension measurement, weaving preparation

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