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捻系数对中粗特棉纱强伸性的影响分析
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郭明瑞, 唐维娟, 谢春萍, 苏旭中 江南大学生态纺织教育部重点实验室 
中文摘要:纱线的强伸性能与捻系数有着直接关系,了解临界捻系数的分布对合理选用捻系数至关重要。对CJ18.2 tex和CJ14.6 tex两种纱线在不同设计捻系数下的强伸性进行研究。结果表明:所纺CJ18.2 tex纱的临界捻系数约为500,CJ14.6 tex纱的临界捻系数约为460,且在各自临界捻系数附近强力达到最大值。
中文关键词:捻系数  临界捻系数  强伸性
 
Effect of twist factor on middle and high tex cotton yarn’s strength and elongation
Abstract:Yarn strength and elongation have direct relationship with the twist factor. The critical twist factor distribution is of great importance in selecting twist factor. In this paper, the strength and elongation of CJ18.2tex yarn and CJ14.6tex yarn spun with different twist factors were studied. The result shows that the critical twist factor of CJ18.2tex yarn is 500 appropriately and the critical twist factor of CJ14.6tex yarn is 460 appropriately. They own their best strength when spun by using critical twist factors.
keywords:twist factor  critical twist factor  strength and elongation
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