<section data-role="outer" class="article135" label="edit by 135editor"><section class="_135editor" data-tools="135编辑器" data-id="125846"><section style="margin: 10px auto;"><section style="display: flex;align-items: center;"><section style="flex-shrink: 0;"><section style="width: 7px; height: 7px; background-color: rgb(19, 124, 209); overflow: hidden;"></section></section><section style="width: 100%; max-width: 100% !important;" data-width="100%"><section style="width: 100%; border-top: 1px solid rgb(212, 231, 246); height: 1px; overflow: hidden; max-width: 100% !important;" data-width="100%"></section></section></section><section style="padding: 3px 0px;"><section data-autoskip="1" class="135brush" style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background-color: rgb(250, 252, 254); padding: 10px 15px;"><p style="line-height:1.75em"><span style="color: rgb(0, 0, 0); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">　　细纱牵伸不开俗称出硬头，其根本原因是牵伸力大于握持力，凡是影响牵伸力和握持力的因素都可能造成牵伸不开，其主要原因有以下几点。</span></p><section class="_135editor" data-tools="135编辑器" data-id="125844"><section style="margin: 10px auto;"><section style="display: flex;align-items: center;margin: 0 0 8px;"><section style="flex-shrink: 0;display: flex;align-items: center;"><section style="font-size: 16px; color: rgb(255, 255, 255); background-color: rgb(19, 124, 209); width: 25px; height: 25px; border-radius: 100%; display: flex; justify-content: center; align-items: center;"><p style="font-size: 14px; line-height: 1.75em;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="color:#000;"><strong class="autonum" data-original-title="" title="">1</strong></span></p></section><section style="font-size: 16px; color: rgb(19, 124, 209); text-align: center; padding: 0px 5px;"><p style="line-height:1.75em"><span style="font-size: 14px; color: #000000;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong class="135brush" data-brushtype="text">粗纱捻系数</strong></span></p></section></section><section style="width: 100%; max-width: 100% !important;" data-width="100%"><section style="width: 100%; border-top: 1px solid rgb(157, 201, 236); height: 1px; overflow: hidden; max-width: 100% !important;" data-width="100%"></section></section><section style="flex-shrink: 0;"><section style="width: 7px; height: 7px; background-color: rgb(137, 221, 97); overflow: hidden;"></section></section></section><section style="padding: 10px 13px;"><section data-autoskip="1" class="135brush" style="line-height: 1.75em;"><p style="line-height:1.75em"><span style="color: rgb(0, 0, 0); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">　　粗纱捻系数大时，粗纱条紧密度增加，抱合力好，纤维间摩擦阻力加大，牵伸力相应增大，在细纱后区隔距、后区牵伸倍数不变的条件下，致使须条得不到有效地解捻，以较大的捻回进入主牵伸区，而出现牵伸不开现象。但粗纱捻系数不宜过小，过小时，在喂入细纱机时易产生意外牵伸，产生细节，影响产品质量。</span></p></section></section></section></section><section class="_135editor" data-tools="135编辑器" data-id="125844"><section style="margin: 10px auto;"><section style="display: flex;align-items: center;margin: 0 0 8px;"><section style="flex-shrink: 0;display: flex;align-items: center;"><section style="font-size: 16px; color: rgb(255, 255, 255); background-color: rgb(19, 124, 209); width: 25px; height: 25px; border-radius: 100%; display: flex; justify-content: center; align-items: center;"><p style="font-size: 14px; line-height: 1.75em;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="color:#000;"><strong class="autonum" data-original-title="" title="" data-num="2">2</strong></span></p></section><section style="font-size: 16px; color: rgb(19, 124, 209); text-align: center; padding: 0px 5px;"><p style="line-height:1.75em"><span style="font-size: 14px; color: #000000;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong class="135brush" data-brushtype="text">细纱导纱动程</strong></span></p></section></section><section style="width: 100%; max-width: 100% !important;" data-width="100%"><section style="width: 100%; border-top: 1px solid rgb(157, 201, 236); height: 1px; overflow: hidden; max-width: 100% !important;" data-width="100%"></section></section><section style="flex-shrink: 0;"><section style="width: 7px; height: 7px; background-color: rgb(137, 221, 97); overflow: hidden;"></section></section></section><section style="padding: 10px 13px;"><section data-autoskip="1" class="135brush" style="line-height: 1.75em;"><p style="line-height:1.75em"><span style="color: rgb(0, 0, 0); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">　　当细纱导纱动程的移动方向与须条的捻向相同时，牵伸力最大，握持力小于牵伸力出现牵伸不开现象，当须条的捻向与导纱动程移动方向相反时，牵伸力较小，对减少牵伸不开有利。</span></p></section></section></section></section><section class="_135editor" data-tools="135编辑器" data-id="125844"><section style="margin: 10px auto;"><section style="display: flex;align-items: center;margin: 0 0 8px;"><section style="flex-shrink: 0;display: flex;align-items: center;"><section style="font-size: 16px; color: rgb(255, 255, 255); background-color: rgb(19, 124, 209); width: 25px; height: 25px; border-radius: 100%; display: flex; justify-content: center; align-items: center;"><p style="font-size: 14px; line-height: 1.75em;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><span style="color:#000;"><strong class="autonum" data-original-title="" title="" data-num="3">3</strong></span></p></section><section style="font-size: 16px; color: rgb(19, 124, 209); text-align: center; padding: 0px 5px;"><p style="line-height:1.75em"><span style="font-size: 14px; color: #000000;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;"><strong class="135brush" data-brushtype="text">粗纱定量</strong></span></p></section></section><section style="width: 100%; max-width: 100% !important;" data-width="100%"><section style="width: 100%; border-top: 1px solid rgb(157, 201, 236); height: 1px; overflow: hidden; max-width: 100% !important;" data-width="100%"></section></section><section style="flex-shrink: 0;"><section style="width: 7px; height: 7px; background-color: rgb(137, 221, 97); overflow: hidden;"></section></section></section><section style="padding: 10px 13px;"><section data-autoskip="1" class="135brush" style="line-height: 1.75em;"><p style="line-height:1.75em"><span style="color: rgb(0, 0, 0); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;">　　粗纱定量增加，意味着细纱牵伸时的牵伸力增加，在同样胶辊状态下和后区牵伸倍数、粗纱捻系数一定情况下，定量重的粗纱所需要的细纱握持力要大于定量轻的粗纱所需的握持力，所以粗纱定量对细纱牵伸的握持力有较高的要求。粗纱的定量应与钳口隔距相适应，避免细纱牵伸过程中，纱条在钳口处存在牵伸力的剧烈波动，而影响细纱的正常牵伸。</span></p></section></section></section></section></section></section><section style="display: flex;align-items: center;"><section style="width: 100%; max-width: 100% !important;" data-width="100%"><section style="width: 100%; border-top: 1px solid rgb(212, 231, 246); height: 1px; overflow: hidden; max-width: 100% !important;" data-width="100%"></section></section><section style="flex-shrink: 0;"><section style="width: 7px; height: 7px; background-color: rgb(137, 221, 97); overflow: hidden;"></section></section></section></section></section><section class="_135editor" data-role="paragraph"><p><br></p></section></section>