<section data-role="outer" class="article135" label="edit by 135editor"><section data-id="us158593" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; border-width: 0px; border-style: initial; border-color: currentcolor; visibility: visible; font-family: 微软雅黑; overflow-wrap: break-word !important;" class="_135editor"><section label="Powered by 135editor.com" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; line-height: 2em; visibility: visible; overflow-wrap: break-word !important;">随着客户对纱线质量要求的不断提高，纺纱企业更加注重严控成纱质量。目前，影响布面质量的有害疵点主要有粗节、细节、条干不匀、飞花、棉结和异常疵点等。通过规范生产操作，注重维设备护保养、工艺调整和质量控制，纺纱企业可以将纱疵控制在正常范围内。本期一线交流介绍一些企业减少纱疵的技术措施，希望能对读者有所帮助。<br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></p></section></section><section data-id="85565" data-custom="#575C77" data-color="#575C77" data-tools="135编辑器" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; border-width: 0px; border-style: initial; border-color: currentcolor; visibility: visible; font-family: 微软雅黑; overflow-wrap: break-word !important;" class="_135editor"><section style="margin: 5px 0px 0px; padding: 0px; outline: 0px; max-width: 100%; display: inline-block; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 2px 5px 0px; outline: 0px; max-width: 100%; color: inherit; border-bottom: 1px solid rgb(87, 92, 119); border-top-style: none; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: inherit; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: -5px 0px 2px 7px; padding: 0px; outline: 0px; max-width: 100%; width: 6px; height: 23px; color: rgb(255, 255, 255); display: inline-block; background-color: rgb(87, 92, 119); visibility: visible; transform: rotate(45deg); overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section><section style="margin: 2px 0px 0px -17px; padding: 0px; outline: 0px; max-width: 100%; border-width: 5px 3px 0px; border-style: solid; border-color: rgb(87, 92, 119) transparent transparent; width: 0px; height: 0px; display: inline-block; visibility: visible; transform: rotate(45deg); overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section></section><section style="margin: -34px 0px 0px 15px; padding: 0px; outline: 0px; max-width: 100%; color: inherit; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 5px 15px 0px; outline: 0px; max-width: 100%; color: inherit; visibility: visible; overflow-wrap: break-word !important;"><span data-brushtype="text" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: inherit; font-size: 18px; visibility: visible; overflow-wrap: break-word !important;">合理配置工艺参数减少纺纱纱疵</span></section></section></section></section></section><p style="margin-top: 10px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; visibility: visible; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify">减少纺部半成品纱疵可以有效地降低细纱千锭时断头率，而降低细纱断头率可以提高产量、降低吨纱成本、稳定成纱质量，为提升企业产品竞争力创造有利条件。我们总结了几项具体做法。</p><p style="margin-top: 10px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; visibility: visible; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-top: 10px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; visibility: visible; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify"><span style="letter-spacing: 0.544px; caret-color: red;">在精梳工序，做好精梳梳理元件的优化配置及管理工作可以获得较好的梳理效果，通过积极有效的选择与之相对应的技术措施，尽量减少顶梳、锡林的嵌花现象，避免纤维以束状结构进入棉网中，减少下道工序断头几率。定期检查牵伸齿形带、圈条齿形带的张力状态和磨损情况，合理调节圈条张力，在减少圈条器拥堵的同时可以降低并条高架断头的几率。</span><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; visibility: visible; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; visibility: visible; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify">将粗纱的钳口隔距、罗拉中心距、后区牵伸倍数适当减小均有利于降低细纱条干CV值。但上述工艺的收紧必然会使纱条牵伸力和浮游纤维控制力增大，必须将握持力和牵伸力、引导力和控制力同步发展才能正常牵伸，防止因粗纱工艺不良、牵伸元件与加压机构缺陷引发的不良牵伸。因此，粗纱的钳口隔距、罗拉中心距、后区牵伸倍数以及总牵伸倍数寻求一个最佳结合。</p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify">同时要加强操作管理工作，减少机台不洁飞花附入纱条、卷绕机构对纱条不良作用等因素的影响，如果这些缺陷较为严重可能会使细纱产生偶发性纱疵。</p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify"><br></p><section data-id="85565" data-custom="#575C77" data-color="#575C77" data-tools="135编辑器" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; border-width: 0px; border-style: initial; border-color: currentcolor; font-family: 微软雅黑; overflow-wrap: break-word !important;" class="_135editor"><section style="margin: 5px 0px 0px; padding: 0px; outline: 0px; max-width: 100%; display: inline-block; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 2px 5px 0px; outline: 0px; max-width: 100%; color: inherit; border-bottom: 1px solid rgb(87, 92, 119); border-top-style: none; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: inherit; overflow-wrap: break-word !important;"><section style="margin: -5px 0px 2px 7px; padding: 0px; outline: 0px; max-width: 100%; width: 6px; height: 23px; color: rgb(255, 255, 255); display: inline-block; background-color: rgb(87, 92, 119); transform: rotate(45deg); overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section style="margin: 2px 0px 0px -17px; padding: 0px; outline: 0px; max-width: 100%; border-width: 5px 3px 0px; border-style: solid; border-color: rgb(87, 92, 119) transparent transparent; width: 0px; height: 0px; display: inline-block; transform: rotate(45deg); overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section></section><section style="margin: -34px 0px 0px 15px; padding: 0px; outline: 0px; max-width: 100%; color: inherit; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 5px 15px 0px; outline: 0px; max-width: 100%; color: inherit; overflow-wrap: break-word !important;"><span data-brushtype="text" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: inherit; font-size: 18px; overflow-wrap: break-word !important;">完善并粗工序控制半制品质量</span></section></section></section></section></section><p style="margin-top: 10px; margin-bottom: 25px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify">在并条工序，棉条经过精梳工序梳理后，纤维分离度、平行度、伸直度好，但纤维之间抱合力差，易松散、发毛，同时纤维在后道工序中不会再有梳理机会。因此，并粗工序要在须条加捻之前减小牵伸作用对棉条内部结构的恶化，减少引起边缘纤维不良的因素，减少短绒、飞花附入棉条，减轻棉条退饶、卷绕时的摩擦、揉搓、纠缠、扭卷，从而减少因摩擦、搓揉、纠缠、扭卷形成的棉结。</p><p style="margin-bottom: 25px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify">第一，减小牵伸倍数和牵伸力可以减少短绒和棉结增长率，从而改善条干。第二，根据棉条定量，选择较小的出条喇叭口直径可以改善棉条紧密度，减少棉条在粗纱机后喂入时局部破条的几率，从而改善条干和毛羽。第三，根据棉条定量、条桶容量，设计合理的定长，避免棉条容量太满造成顶部棉条与圈条底盘之间挤压过度而增加摩擦、揉搓、扭卷形成棉结。第四，要控制熟条重量偏差，降低熟条条干CV值，防止因并条工序不良因素造成细纱长细节。</p><p style="margin-bottom: 25px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify">因此，并条工序应在消灭长细节的前提下降低熟条的条干CV值。这些主要通过合理设计工艺路线、配置牵伸元件与加压机构，加强运转管理与机台清整洁等措施来实现。</p><p style="margin-bottom: 25px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify">在粗纱工序，粗纱条干CV值和纱条纤维的结构均会影响纱线的条干CV值和常发性纱疵。粗纱质量CV值会影响细纱质量CV值，粗纱纱疵会影响细纱偶发性纱疵。</p><section data-id="85565" data-custom="#575C77" data-color="#575C77" data-tools="135编辑器" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; border-width: 0px; border-style: initial; border-color: currentcolor; font-family: 微软雅黑; overflow-wrap: break-word !important;" class="_135editor"><section style="margin: 5px 0px 0px; padding: 0px; outline: 0px; max-width: 100%; display: inline-block; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 2px 5px 0px; outline: 0px; max-width: 100%; color: inherit; border-bottom: 1px solid rgb(87, 92, 119); border-top-style: none; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: inherit; overflow-wrap: break-word !important;"><section style="margin: -5px 0px 2px 7px; padding: 0px; outline: 0px; max-width: 100%; width: 6px; height: 23px; color: rgb(255, 255, 255); display: inline-block; background-color: rgb(87, 92, 119); transform: rotate(45deg); overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section style="margin: 2px 0px 0px -17px; padding: 0px; outline: 0px; max-width: 100%; border-width: 5px 3px 0px; border-style: solid; border-color: rgb(87, 92, 119) transparent transparent; width: 0px; height: 0px; display: inline-block; transform: rotate(45deg); overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section></section><section style="margin: -34px 0px 0px 15px; padding: 0px; outline: 0px; max-width: 100%; color: inherit; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 5px 15px 0px; outline: 0px; max-width: 100%; color: inherit; overflow-wrap: break-word !important;"><span data-brushtype="text" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: inherit; font-size: 18px; overflow-wrap: break-word !important;">调整回潮率降低粗号混纺纱纱疵</span></section></section></section></section></section><p style="margin-bottom: 25px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify">我公司针对用户反映R/C65/3542tex纱线纱疵高、断头多的问题，通过倒筒子及分析百管纱疵，查明了产生以上问题的原因。通过采取一系列措施，使纱线质量达到了用户要求。</p><p style="margin-bottom: 25px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify">通过分析某一批纱线发现，前纺工序纱疵为56%。经调查发现，这批纱线半成品回潮率较小，棉条混和后标准回潮率为11.4%，但实际回潮率仅7.5%～7.8%。我们采取粘胶纤维预处理、圆盘加湿、梳棉工序保湿等措施，使梳棉条回潮率达到9.5%。并条工序生产区域也相应加湿，并采用碳黑胶辊，防止胶辊吸带和缠绕，棉条混和后实际回潮率达到8.5%以上。通过加湿，使纺纱生产明显改善，纱疵也明显减少。</p><p style="margin-bottom: 25px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify">纺制粗号纱的细纱前罗拉速度较高，宜采取大隔距、重加压工艺，并采用合理的加压档位，以保证牵伸力与握持力相适应，也减少对胶辊、胶圈造成的损伤。</p><p style="margin-bottom: 25px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify">由于是粗号纱，如果捻接过程中接头参数调节不当，本身就会形成一个疵点，且在布面显现。所以在捻接过程中，吹散纱尾、纱尾叠加、喷气捻接以及络筒速度等参数都要优选。通过调整捻接器及捻接腔，槽筒速度降低到1200米/分钟，主要清纱工艺参数为短粗+130%×1厘米、长粗+30%×15厘米、长细-40%×20厘米，倒筒十万米纱疵达到4个左右。</p><p style="margin-bottom: 5px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(34, 34, 34); letter-spacing: 0.544px; text-align: justify; font-size: 16px; line-height: 2em; font-family: 微软雅黑; overflow-wrap: break-word !important;" align="justify">通过以上各项措施的实施，该品种纱线的生产稳定，百管纱疵明显改善，得到了用户的认可。</p><section class="_135editor" data-role="paragraph"><p><br></p></section></section>