<section data-role="paragraph" class="_135editor" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; font-size: 16px; overflow-wrap: break-word !important; outline: none 0px !important;">　　由于工艺、设备、操作等原因，实际生产出的纱线的线密度与要求生产的纱线会有一定的偏差。把实际纺得的管纱线密度称为实际线密度，记为Tta。纺纱工厂生产任务中规定生产的最后成品的纱线密度称为公称线密度，一般须符合国家标准中规定的公称线密度系列。公称线密度又称名义线密度。记为Tt。纺纱工艺中，考虑到筒摇伸长、股线捻缩等因素，为使纱线成品线密度符合公称线密度而定的管纱线密度称为设计线密度，记为Tts。纱线的线密度偏差一般用重量偏差△Tt来表示，重量侗差△Tt又称线密度(号数)偏差。其计算式为：</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); text-align: center; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><img src="http://dayaotex-img.gz.bcebos.com/article/fffspic/fzmlsj1395.png" _src="http://dayaotex-img.gz.bcebos.com/article/fffspic/fzmlsj1395.png" data-ratio="0.10565110565110565" data-w="407" style="margin: 0px; padding: 0px; max-inline-size: 100%; max-width: 100%; overflow-wrap: break-word !important; outline: none 0px !important; width: 25%;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; font-size: 16px; overflow-wrap: break-word !important; outline: none 0px !important;">　　重量偏差为正值，说明纺出的纱线实际线密度大于公称线密度，即纱线偏粗，若销售筒子纱(定重成包)则因长度偏短而不利于用户；若销售绞纱(定长成包)则因重量偏重而不利于生产广。重量偏差为负值，则于上述情况相反。若式(2—10)中带入的纱线线密度为公制支数，则结果称为“支数偏差”，若式(2—10)中带入的纱线线密度为旦数，则结果称为“纤度偏差”。</span></p></section><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><br></p></section></section></section></section>