立即登录
去注册
其他登录方式
手机验证码
忘记密码?
点击获取验证码
立即登录
去注册
其他登录方式
账号登录
点击获取验证码
立即注册
已有账号?去登录
点击获取验证码
确定
已有账号?去登录
2023-06-06 16:29:32
<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;"><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;"> 桑蚕丝(bombyx mori silk,mulberry silk)织物种类很多,各类织物都具有特殊的风格和手感特征,因此加工的工艺流程与加工工艺均有一定的差异。图1-2为剑杆织机、片梭织机制织桑蚕丝织物的工艺流程。</p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br></p><p style="text-align: center; max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><img src="https://dayaotex-edu.fsh.bcebos.com/v1/dayaotex-edu/epub_25559194_5.jpg?authorization=bce-auth-v1%2F59b7a26546d74b64bfd056b483465817%2F2023-06-06T08%3A29%3A25Z%2F-1%2F%2F81a91c886b7aff1e59a5d26a1c349d5c14e5b037409b2fc1666b17726780dce5" data-filename="" style="width: 562px;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></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;"> 图1-2 桑蚕丝织物在剑杆织机、片梭织机上织造的工艺流程图1-2所示工艺流程。</p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; 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><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;"> 既适用于平经平纬桑蚕丝织物,也适用于绉经绉纬桑蚕丝织物。对于平经平纬桑蚕丝织物,经纬向采用并合捻丝工序,是区别于有梭织机的工艺流程。其捻度的多少是以不影响织物风格为前提(一般100~250捻/m为宜)。经向加捻的目的是为了提高丝线的强力、抱合力,减少在准备织造各工序中产生的起毛、分裂与断头,对原料的品质要求可适当降低;平纬织物纬向加捻的目的是为避免纺类织物的多根无捻组合纬丝在引纬时(剑杆头钳纬、交接纬)的失误。此外,若按有梭织造的工艺要求,低捻可不必用定形机定形,然而由于高速整经与高速织造,致使整经中丝线扭缩多,织造中滚绞严重,为此对低捻丝必须经过定形机定形,其目的是消除因加捻而产生丝线内部的应力和伸长不匀现象,并对桑蚕丝有预缩作用,从而减少真丝绸上的宽急经和经柳织疵。</p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; 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><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;"> </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 class="_135editor" data-role="paragraph" id="autoparagraph" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 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; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; font-family: 微软雅黑, "Microsoft YaHei", sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section>