<section data-role="outer" label="Powered by 135editor.com"><section class="_135editor" data-tools="135编辑器" data-id="109844"><section style="text-align: center;margin: 10px auto;transform-style: preserve-3d"><section class="assistant" style="width: 35px; margin-left: auto; transform: translateZ(10px);"><img class="assistant" style="vertical-align: inherit; width: 100%; display: block; transform: rotateY(180deg); max-width: 100% !important;" src="https://image2.135editor.com/cache/remote/aHR0cHM6Ly9tbWJpei5xbG9nby5jbi9tbWJpel9wbmcvSmFGdlB2dkEySjIzSEJsdFJnVnF6RGg5dkdmWHVHbktMRndtYU9TV1JUNkR6U01vNno2UmE5akhzVUNXNXpWeFJkY3dFMWxHM2dDVm5pYjNDcjlsRkxRLzA/d3hfZm10PXBuZw==" data-width="100%" data-ratio="1.4" data-w="50"></section><section style="background: linear-gradient(to right,#fff 0%,#ffa438 100%);margin: -35px 10px 0 6px;transform: translateZ(9px);-webkit-transform: translateZ(9px);-moz-transform: translateZ(9px);-ms-transform: translateZ(9px);-o-transform: translateZ(9px);"><section style="border: 1px solid rgb(255, 164, 56); padding: 25px 12px 12px 25px; transform: translate(-6px, 6px);"><section data-autoskip="1" class="135brush" style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(42, 38, 36); background: transparent;"><p style="vertical-align:inherit;" hm_fix="356:451">针织要求条干（也就是纱线的粗细均匀程度）更高，柔软性好，一定的强度和延伸性、捻度（纱捻度都比较低）在针织机上形成针织物的过程中，纱线要受到复杂的机械作用，如拉伸、弯曲、扭转、摩擦等。为保证生产的正常进行以及产品的质量，针织用纱应满足以下要求：</p></section><section style="display: flex;justify-content: flex-start;align-items: center;margin-top: 10px;"><section class="assistant" style="width: 5px; height: 16px; background-color: rgb(255, 164, 55); overflow: hidden; transform: skew(-18deg);"></section><section class="assistant" style="width: 5px; height: 16px; background-color: rgb(255, 164, 55); margin-left: 7px; overflow: hidden; transform: skew(-18deg);"></section></section></section></section></section></section><section class="_135editor" data-tools="135编辑器" data-id="109684"><section style="text-align: center;margin: 10px auto;"><section><section style="display: flex;justify-content: flex-start;align-items: center;"><section style="width: 32px; height: 25px; background: linear-gradient(rgb(255, 240, 158) 0%, rgb(255, 240, 158) 90%, rgb(255, 189, 74) 90%, rgb(255, 189, 74) 100%);"><section style="font-size: 16px;letter-spacing: 1px;color: #ffbd4a;line-height: 25px;"><strong>0</strong><strong class="autonum" data-original-title="" title="">1</strong></section></section><section style="width: auto; height: 25px; background-color: rgb(140, 183, 246); padding: 0px 5px;"><section style="letter-spacing: 1px; color: rgb(254, 254, 254); line-height: 25px;"><strong class="135brush" data-brushtype="text">纱线应具有一定的强度和延伸性</strong></section></section></section><section style="border: 1px solid rgb(253, 234, 131); padding: 25px 0px 0px 20px; margin: -13px 0px 0px 15px;" hm_fix="277:295"><section data-autoskip="1" class="135brush" style="padding-right: 20px; text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(82, 82, 82); background: transparent;"><p style="vertical-align:inherit;">纱线的强度是针织用纱的重要品质指标。由于纱线在准备和织造过程中经受一定的张力和反复的载荷作用，因此，针织用纱必须具有一定的强度。此外，纱线在编织成圈过程中，还要受到弯曲和扭转变形，因此还要求针织用纱具有一定的延伸性，以便于编织过程中弯曲成圈，并减少纱线断头。</p></section><section style="display: flex;justify-content: flex-end;margin-top: 15px;"><section style="line-height: 0; width: 20px; transform: rotate(-90deg) translate(-1px, 1px);"><svg id="图层_1" data-name="图层 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 42 42" xml:space="default"><polygon class="cls-1" style="fill:none;stroke:#8cb7f6;stroke-linecap:round;stroke-linejoin:round;stroke-width:3px;" points="1 1 1 41 41 41 1 1"></polygon></svg></section></section></section></section><section class="box-edit _135editor" style="margin-top: 25px;"><section style="display: flex;justify-content: flex-start;align-items: center;"><section style="width: 32px; height: 25px; background: linear-gradient(rgb(255, 240, 158) 0%, rgb(255, 240, 158) 90%, rgb(255, 189, 74) 90%, rgb(255, 189, 74) 100%);"><section style="font-size: 16px;letter-spacing: 1px;color: #ffbd4a;line-height: 25px;"><strong>0</strong><strong class="autonum" data-original-title="" title="">2</strong></section></section><section style="width: auto; height: 25px; background-color: rgb(140, 183, 246); padding: 0px 5px;"><section style="letter-spacing: 1px; color: rgb(254, 254, 254); line-height: 25px;"><strong class="135brush" data-brushtype="text">纱线应具有良好的柔软性</strong></section></section></section><section style="border: 1px solid rgb(253, 234, 131); padding: 25px 0px 0px 20px; margin: -13px 0px 0px 15px;"><section data-autoskip="1" class="135brush" style="padding-right: 20px; text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(82, 82, 82); background: transparent;"><p style="vertical-align:inherit;">针织用纱的柔软性比机织用纱要求高。因为柔软的纱线易于弯曲和扭转，并使针织物中的线圈结构均匀、外观清晰美观，同时还可减少织造过程中纱线的断头以及对成圈机件的损伤。</p></section><section style="display: flex;justify-content: flex-end;margin-top: 15px;"><section style="line-height: 0; width: 20px; transform: rotate(-90deg) translate(-1px, 1px);"><svg id="图层_1" data-name="图层 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 42 42" xml:space="default"><polygon class="cls-1" style="fill:none;stroke:#8cb7f6;stroke-linecap:round;stroke-linejoin:round;stroke-width:3px;" points="1 1 1 41 41 41 1 1"></polygon></svg></section></section></section></section><section class="box-edit _135editor" style="margin-top: 25px;"><section style="display: flex;justify-content: flex-start;align-items: center;"><section style="width: 32px; height: 25px; background: linear-gradient(rgb(255, 240, 158) 0%, rgb(255, 240, 158) 90%, rgb(255, 189, 74) 90%, rgb(255, 189, 74) 100%);"><section style="font-size: 16px;letter-spacing: 1px;color: #ffbd4a;line-height: 25px;"><strong>0</strong><strong class="autonum" data-original-title="" title="">3</strong></section></section><section style="width: auto; height: 25px; background-color: rgb(140, 183, 246); padding: 0px 5px;"><section style="letter-spacing: 1px; color: rgb(254, 254, 254); line-height: 25px;"><strong class="135brush" data-brushtype="text">纱线应具有一定的捻度</strong></section></section></section><section style="border: 1px solid rgb(253, 234, 131); padding: 25px 0px 0px 20px; margin: -13px 0px 0px 15px;"><section data-autoskip="1" class="135brush" style="padding-right: 20px; text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(82, 82, 82); background: transparent;"><p style="vertical-align:inherit;">一般来说，针织用纱的捻度比机织用纱要低。若捻度过大，纱线的柔软性就差，织造时不易被弯曲、扭转，还容易产生扭结，造成织疵，使织针受到损伤；此外，捻度过大的纱线会影响针织物的弹性，并使线圈产生歪斜。但针织用纱的捻度也不能过低，否则会影响其强度，增加织造时的断头，且纱线膨松，使织物容易起毛起球，降低针织物的服用性能。因此，正确地选择捻度是合理选用纱线的一项重要途径。针织物的用途不同，捻度要求也有所区别。</p><p style="vertical-align:inherit;">汗布要求滑爽、紧密、表面光洁、纹路清晰，纱的捻度要大些，可接近同线密度机织用经纱标准。外衣用纱线捻度应取大些，以增强挺括性、改善起毛起球现象。棉毛布、弹力布要求手感柔软，富有弹性，纱的捻度应稍低些，一般采用同线密度机织用纬纱捻度的下偏差。起绒针织物用纱，为便于拉绒，且使绒头厚薄均匀，捻度要求更小一些。<br>另外捻度的大小还随纱线线密度而异。</p></section><section style="display: flex;justify-content: flex-end;margin-top: 15px;"><section style="line-height: 0; width: 20px; transform: rotate(-90deg) translate(-1px, 1px);"><svg id="图层_1" data-name="图层 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 42 42" xml:space="default"><polygon class="cls-1" style="fill:none;stroke:#8cb7f6;stroke-linecap:round;stroke-linejoin:round;stroke-width:3px;" points="1 1 1 41 41 41 1 1"></polygon></svg></section></section></section></section></section></section><section class="_135editor" data-role="paragraph"><p style="vertical-align:inherit;"><br></p></section></section>