Effect of roving weight and twist coefficient on yarn quality
The roving weight and twist coefficient are key parameters in spinning process.By conducting trial spinning of high-count combing pure cotton yarn,this paper comprehensively explores the impact of roving twist coefficient and roving weight on the linear performance and quality of Sirospun.Firstly,it investigates the impact of the roving weight on the fine yarn process,analyzes the model and principle of roving heavy weight process,and emphasizes the significant contribution of reasonable roving weight to ensure yarn quality,reduce pre-spinning doffing times and improve production efficiency.Secondly,by adjusting the roving twist coefficient in the spinning process,detailed testing and analysis of yarn strength,sliver coefficient of variation(CV),weight,twist and other indicators are conducted to reveal that yarn quality shows a trend of first increasing and then decreasing with the increase of roving twist coefficient.The study highlights the key role of properly controlling roving twist coefficient and weight in improving yarn quality and production efficiency,providing important technical guidance and optimization recommendations for textile production.
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