<section data-role="outer" class="article135" label="edit by 135editor"><section class="_135editor" data-tools="135编辑器" data-id="115226"><section style="margin: 20px auto;"><section><section style="display: flex; align-items: flex-end; justify-content: flex-end; border-bottom: 3px solid rgb(134, 185, 66);"><section class="assistant" style="width: 110px;"><img class="assistant" style="vertical-align: inherit; width: 100%; display: block; max-width: 100% !important;" src="https://bcn.135editor.com/files/images/editor_styles/bd72b3f09cb697419bfbeae18b5397a6.png" data-width="100%" draggable="false" data-ratio="0.41379310344827586" data-w="145"></section></section><section style="border-right: 1px solid rgb(134, 185, 66); border-bottom: 1px solid rgb(134, 185, 66); border-left: 1px solid rgb(134, 185, 66); border-image: initial; border-top: none; border-radius: 0px 0px 25px 25px; padding: 15px;"><p style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;" align="justify"><span style="font-size: 16px;">&nbsp; &nbsp; &nbsp;梳棉生条中含有较多的短纤维和棉结杂质，且纤维的伸直平行度和分离度不够，难以满足高档纺织品的纺制要求。因此，对质量要求较高的纺织品都要采用经过精梳纺纱系统纺制成的纱线。此外，还有些特殊用途的纱线也大都采用精梳纱线。</span></p><p style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;" align="justify"><span style="font-size: 16px;">&nbsp; &nbsp; &nbsp;在粗梳纺纱系统中的梳棉、并条两工序之间增设精梳工序即组成了精梳纺纱系统。精梳工序由精梳准备机械和精梳机组成。</span><span style="font-size: 16px; background-color: transparent; caret-color: red;">其主要作用是：　　</span></p><p style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;" align="justify"><br></p><p style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;" align="justify"><span style="font-size: 16px; background-color: transparent; caret-color: red;">(1)排除生条中的短绒，提高纤维的长度整齐度，为改善成纱条干、提高成纱强力创造条件；</span></p><p style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;" align="justify"><span style="font-size: 16px; background-color: transparent; caret-color: red;">(2)清除纤维间包含的棉结、杂质，以提高成纱的外观质量；</span></p><p style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;" align="justify"><span style="font-size: 16px; background-color: transparent; caret-color: red;">(3)使纤维得到进一步的伸直、平行和分离，以提高纱线的条干、强力和光泽；</span></p><p style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;" align="justify"><span style="font-size: 16px; background-color: transparent; caret-color: red;">(4)制成条干均匀的精梳棉条，以便下道工序加工。　　&nbsp;</span></p><p style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;" align="justify"><span style="font-size: 16px; background-color: transparent; caret-color: red;">&nbsp; &nbsp; 生条经过精梳加工以后，以排除短纤维42%~50%，排除杂质50%~60%，排除棉结约10%~20%，纤维的伸直度可由50%左右提高到85%~95%，因而精梳纱线在物理机械性能和外观光泽等方面都比同线密度的普梳纱线优越。　</span></p><p style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;" align="justify"><span style="font-size: 16px; background-color: transparent; caret-color: red;">&nbsp; &nbsp; 精梳工序的落棉率较高，且落棉中含有部分长纤维；同时，精梳工序因增加设备和人工，而使加工成本增加。因此，精梳工序的选用，应从提高成纱质量、节约用棉、降低成本等方面综合考虑技术经济效果。</span></p></section></section></section></section><section data-role="paragraph" class="_135editor" style="height: 0px; overflow: hidden;"></section><section class="_135editor" data-role="paragraph"><p><br></p></section></section>