<section class="_135editor" data-role="paragraph" 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%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp; &nbsp; 弯辊丝光机(图6-32)的扩幅去碱部分采用弯辊使带碱织物扩幅。通常用不浸在洗液中的8～12根橡胶弯辊和浸在洗液中的8～12根铸铁弯辊,也有全部用浸在洗液中的铸铁弯辊。</p><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; text-align: center; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><img src="http://dayaotex-img.gz.bcebos.com/article/fffspic/rzsb6019.png" _src="http://dayaotex-img.gz.bcebos.com/article/fffspic/rzsb6019.png" data-ratio="0.4745484400656814" data-w="609" style="margin: 0px; padding: 0px; cursor: pointer; width: 464px; max-inline-size: 100%; max-width: 100%; overflow-wrap: break-word !important; outline: none 0px !important; height: auto !important;"></p><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 橡胶弯辊是被动辊,由带碱织物带动;铸铁弯辊是主动辊,由齿轮传动。</p><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 弯辊丝光机的其他部分基本上与布铗丝光机相同,其扩幅部分的弯辊由弯芯轴、轴套和套筒组成。芯轴上套有多节胶木或铸铁套筒,以防芯轴被磨损。在轴套外套有多节可以转动的铸铁套筒,轴套和套筒之间有滚珠轴承。而橡胶弯辊是在铸铁套筒的外面再包一层橡胶,以抗腐蚀和增加扩幅时的摩擦力。弯辊的扩幅是当织物紧贴弯辊的凸形弧面时,经向张力产生纬向分力而将织物拉宽。其扩幅能力的大小与弯辊的直径、圆弧半径及其织物在弯辊的包绕角有关。</p><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 一般来说,扩幅力与弯辊的直径成正比,与圆弧半径成反比。织物从凹弧到凸弧的包绕角越大,扩幅效果越好。</p><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 弯辊丝光机占地面积小,结构紧凑,但扩幅效果差,易产生纬弯和边密中稀的经密不匀及门幅难控制等问题,故应用较少。</p><p style="max-inline-size: 100%; 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, &quot;Microsoft YaHei&quot;, sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section>