莱赛尔纱超大牵伸纺纱工艺的优化

纺织学报 ›› 2016, Vol. 37 ›› Issue (3): 25-30.

莱赛尔纱超大牵伸纺纱工艺的优化

收稿日期:2015-01-15 修回日期:2015-09-24 出版日期:2016-03-15 发布日期:2016-03-16

Process optimization of superhigh draft spinning of Lyocell yarnesr

Received:2015-01-15 Revised:2015-09-24 Online:2016-03-15 Published:2016-03-16

摘要/Abstract

摘要：

针对纺制莱赛尔纱时超大牵伸条干恶化严重、大颗粒棉结和毛羽较多等纺纱难点，采用模糊决策方法对超大牵伸纺制莱赛尔纱的关键技术进行优化分析，并探讨中区和前区的上销结构、中上罗拉型式对7.4tex紧密莱赛尔单纱成纱质量的影响，应用模糊聚类分析对密切值法和Borda法的决策结果进行验证，结果表明：牵伸前区和中区采用大前冲上销，中上罗拉使用低硬度高弹性软胶辊时，可有效改善7.4tex莱赛尔紧密单纱的成纱质量水平，能满足开发莱赛尔高档纺织面料的纱线的质量要求，牵伸中区关键工艺参数对莱赛尔成纱质量影响最大。

关键词: 超大牵伸, 莱赛尔纱, 模糊决策, 模糊聚类, 优化工艺

Abstract:

In order to solve spinning difficulties of Lyocell yarns in super high drafting that is prone to worsen yarn evenness, increase more neps and hairiness, this article used fuzzy decision method to optimize the spinning key technologies of super high draft spinning lyocell fiber, we also discussed the influence of the top pin and the central-top roller for 7.4tex closely lyocell yarn qualities. The fuzzy clustering method were used to verify the decision results of intimate data method and borda method, the results show that 7.4tex closely lyocell yarn qualities can be effectively improved, under the conditions that the front area and the central area use front-extended top pin combined with rubber-covered rollers, which can satisfy yarn quality requirements of developing high-grade lyocell textile fabrics, we could also know that the center-area key process parameters have the greatest impact on Lyocell yarns.

Key words: super high draft, Lyicell yarn, fuzzy decision, fuzzy clustering, optimization process

代丽梅谢春萍刘新金张洪. 莱赛尔纱超大牵伸纺纱工艺的优化[J]. 纺织学报, 2016, 37(3): 25-30.

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