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2022-10-13 10:41:08
<p><section data-tools="135编辑器" data-id="98253" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 10px auto; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; letter-spacing: 4px; font-size: 16px; color: rgb(234, 249, 253); text-shadow: rgb(1, 115, 99) 1px 1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) -1px 1px, rgb(1, 115, 99) -1px -1px, rgb(1, 115, 99) 0px 1.4px, rgb(1, 115, 99) 0px -1.4px, rgb(1, 115, 99) -1.4px 0px, rgb(1, 115, 99) 1.4px 0px, 2px 0px, rgb(195, 217, 223) 0px 3px, rgb(231, 197, 188) 0px 3px, rgb(195, 217, 223) 0px 2px, rgb(231, 197, 188) 0px 2px; font-weight: bold; visibility: visible; overflow-wrap: break-word !important;">织物在染整加工中收缩变形</section></section></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); visibility: visible; overflow-wrap: break-word !important;"></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); visibility: visible; overflow-wrap: break-word !important;">织物在织造及染整加工过程中，通常是经向承受强烈的机械张力，导致织物发生纬向门幅收缩、经向伸长的不稳定状态。<br style="margin: 0px; padding: 0px; max-width: 100%; visibility: visible; outline: none 0px !important; overflow-wrap: break-word !important;"></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); visibility: visible; overflow-wrap: break-word !important;">织物浸轧后，长度即产生不同程度的收缩，再次洗涤仍会继续产生后续收缩。如将这类织物裁制服装，一经水洗，由于织物收缩而使衣服变形走样，给消费者造成很大损失。</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); visibility: visible; overflow-wrap: break-word !important;">最好的解决办法就是在加工过程中减少机械张力，选用无张力的松式机械加工，但从纺纱、织布到印染加工一系列工艺中，要完全达到这个要求，也是不切实际的。</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; visibility: visible; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section><section data-tools="135编辑器" data-id="98253" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 10px auto; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; letter-spacing: 4px; font-size: 16px; color: rgb(234, 249, 253); text-shadow: rgb(1, 115, 99) 1px 1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) -1px 1px, rgb(1, 115, 99) -1px -1px, rgb(1, 115, 99) 0px 1.4px, rgb(1, 115, 99) 0px -1.4px, rgb(1, 115, 99) -1.4px 0px, rgb(1, 115, 99) 1.4px 0px, 2px 0px, rgb(195, 217, 223) 0px 3px, rgb(231, 197, 188) 0px 3px, rgb(195, 217, 223) 0px 2px, rgb(231, 197, 188) 0px 2px; font-weight: bold; visibility: visible; overflow-wrap: break-word !important;">改善织物收缩措施</section></section></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; visibility: visible; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(1, 115, 99); visibility: visible; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; visibility: visible; overflow-wrap: break-word !important;">目前采取的措施 ：</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); font-size: 14px; visibility: visible; overflow-wrap: break-word !important;">就是在染整加工的末道工序，设法使织物的经向纱线有回缩的机会，以恢复纱线的平衡弯曲状态，达到以后减少缩水的目的。<br style="margin: 0px; padding: 0px; max-width: 100%; visibility: visible; outline: none 0px !important; overflow-wrap: break-word !important;"></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px 10px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; text-indent: 2em; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); font-size: 14px; visibility: visible; overflow-wrap: break-word !important;">所以要使织物经过机械作用而形态稳定、不变形，是一项经济上具有十分重大意义的工作。这种整理方法称为<strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(1, 115, 99); visibility: visible; overflow-wrap: break-word !important;">机械预缩整理</span></strong>，它所采用的设备就是预缩机(或称防缩机）。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.544px; text-align: center; visibility: visible; overflow-wrap: break-word !important;"></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; visibility: visible; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section data-tools="135编辑器" data-id="102678" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 10px auto; padding: 0px; outline: 0px; max-width: 100%; text-align: center; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 1.5em 1em; outline: 0px; max-width: 100%; background: rgb(235, 242, 241); visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: inline-block; visibility: visible; overflow-wrap: break-word !important;"><section data-brushtype="text" style="margin: 0px; padding: 6px 1em; outline: 0px; max-width: 100%; font-size: 16px; letter-spacing: 1.5px; color: rgb(135, 205, 222); background: rgb(1, 115, 99); box-shadow: rgb(135, 205, 222) 4px 4px 1px; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(255, 255, 255); visibility: visible; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;">织物缩水主要原因</strong></span></section></section><section style="margin: 1.5em 0px 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; justify-content: flex-start; align-items: flex-start; overflow-wrap: break-word !important;"><section style="margin: 7px 0px 0px; padding: 0px; outline: 0px; max-width: 100%; width: 10px; height: 10px; border-radius: 100%; background: rgb(1, 115, 99); flex-shrink: 0; overflow: hidden; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section data-autoskip="1" style="margin: 0px 0px 0px 10px; padding: 0px 0px 10px; outline: 0px; max-width: 100%; text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; font-size: 14px; color: rgb(255, 255, 255); background: transparent; border-bottom: 1px dashed rgb(255, 255, 255); overflow-wrap: break-word !important;"><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; background-color: transparent; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">1、主要由于加工过程中经纬纱所受张力不同，因此造成经纬纱的弯曲程度差异，经过浸湿后如在自由状态下干燥, 经纬纱的弯曲形状会自动地恢复到平衡状态，即所谓织缩调整作用，结果形成了缩水现象。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; background-color: transparent; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"></span></p></section></section><section style="margin: 1em 0px 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; justify-content: flex-start; align-items: flex-start; overflow-wrap: break-word !important;"><section style="margin: 7px 0px 0px; padding: 0px; outline: 0px; max-width: 100%; width: 10px; height: 10px; border-radius: 100%; background: rgb(1, 115, 99); flex-shrink: 0; overflow: hidden; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section data-autoskip="1" style="margin: 0px 0px 0px 10px; padding: 0px 0px 10px; outline: 0px; max-width: 100%; text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; font-size: 14px; color: rgb(255, 255, 255); background: transparent; border-bottom: 1px dashed rgb(255, 255, 255); overflow-wrap: break-word !important;"><p hm_fix="337:372" style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">2、纤维在浸湿时产生的异向膨胀作用，即纤维的长度和直径均增大，但直径的增大比长度的增大程度大得多。如棉纤维浸湿后直径增大14%，而长度仅增长1.1%〜1.2% ，故织物在浸湿后，织物中的纤维因膨胀而变粗，但长度增加不多，纱线必然随着纤维的变粗而增大了直径。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; background-color: transparent; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"></span></p></section></section><section style="margin: 1em 0px 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; justify-content: flex-start; align-items: flex-start; overflow-wrap: break-word !important;"><section style="margin: 7px 0px 0px; padding: 0px; outline: 0px; max-width: 100%; width: 10px; height: 10px; border-radius: 100%; background: rgb(1, 115, 99); flex-shrink: 0; overflow: hidden; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section data-autoskip="1" style="margin: 0px 0px 0px 10px; padding: 0px 0px 10px; outline: 0px; max-width: 100%; text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; font-size: 14px; color: rgb(255, 255, 255); background: transparent; border-bottom: 1px dashed rgb(255, 255, 255); overflow-wrap: break-word !important;"><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">3、经纬纱在织物中是互相抱绕着的，如纬纱的直径增大了，经纱长度就一定增加，才能保持抱绕纬纱的状态，但经纱在没有增加外力的条件下，长度是不可能增长的，于是纬纱间的距离就势必轧紧，即纬纱的密度增大，结果形成织物的经向收缩。纬纱也有同样的现象。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; background-color: transparent; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"></span></p></section></section><section style="margin: 1em 0px 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; justify-content: flex-start; align-items: flex-start; overflow-wrap: break-word !important;"><section style="margin: 7px 0px 0px; padding: 0px; outline: 0px; max-width: 100%; width: 10px; height: 10px; border-radius: 100%; background: rgb(1, 115, 99); flex-shrink: 0; overflow: hidden; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section data-autoskip="1" style="margin: 0px 0px 0px 10px; padding: 0px 0px 10px; outline: 0px; max-width: 100%; text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; font-size: 14px; color: rgb(255, 255, 255); background: transparent; border-bottom: 1px dashed rgb(255, 255, 255); overflow-wrap: break-word !important;"><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">4、当织物自然干燥后，纤维失去膨胀形态，纱线也回复到原有的粗细，但由于纱线间的摩擦阻力关系，限制了纱线的自由移动，织物就仍保持收缩形态。所以织物在浸湿后，让其自然干燥，织物的面积往往缩小，厚度增加，表面变得不平。纤维的异向膨胀虽然是织物缩水的原因之一，但所占的百分率不大，所以造成纤维素纤维织物缩水的原因，应以织缩调整作用为主。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); text-align: center; background-color: transparent; overflow-wrap: break-word !important;"></span></p></section></section><section style="margin: 1em 0px 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; justify-content: flex-start; align-items: flex-start; overflow-wrap: break-word !important;"><section style="margin: 7px 0px 0px; padding: 0px; outline: 0px; max-width: 100%; width: 10px; height: 10px; border-radius: 100%; background: rgb(1, 115, 99); flex-shrink: 0; overflow: hidden; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section data-autoskip="1" style="margin: 0px 0px 0px 10px; padding: 0px 0px 10px; outline: 0px; max-width: 100%; text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; font-size: 14px; color: rgb(255, 255, 255); background: transparent; border-bottom: 1px dashed rgb(255, 255, 255); overflow-wrap: break-word !important;"><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">5、织物的缩水率与织物的组织结构和纤维的特性有很大关系。如经纱密度比纬纱密度大很多的卡其、府绸等织物，纬向的缩水率就比经向的缩水小得多。粘胶与棉虽同属纤维素纤维，但由于粘胶纤维的组织结构比较松，湿膨胀率较大，易被拉伸，湿态时更甚，所以粘胶织物的缩水率比棉织物大，即使用机械预缩整殚的方法也不能解决缩水问题。一般只好采用化学交联法，改变粘胶纤维的特性,从而解决粘胶织物的缩水过大的缺点。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; background-color: rgb(255, 255, 255); color: rgb(34, 34, 34); letter-spacing: 0.544px; font-size: 17px; overflow-wrap: break-word !important;"></span></p></section></section></section></section></section><section data-role="paragraph" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section></section><section data-tools="135编辑器" data-id="98253" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;"><section style="margin: 10px auto; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; letter-spacing: 4px; font-size: 16px; color: rgb(234, 249, 253); text-shadow: rgb(1, 115, 99) 1px 1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) -1px 1px, rgb(1, 115, 99) -1px -1px, rgb(1, 115, 99) 0px 1.4px, rgb(1, 115, 99) 0px -1.4px, rgb(1, 115, 99) -1.4px 0px, rgb(1, 115, 99) 1.4px 0px, 2px 0px, rgb(195, 217, 223) 0px 3px, rgb(231, 197, 188) 0px 3px, rgb(195, 217, 223) 0px 2px, rgb(231, 197, 188) 0px 2px; font-weight: bold; overflow-wrap: break-word !important;">机械预缩整理的机理</section></section></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section data-role="paragraph" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">织物预缩整理的目的是<span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">使织物在经纬向预先进行一定量的收缩，以此降低最终成品的缩水率，满足服装加工的质量要求。</span></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">机械预缩处理利用可压缩的橡胶毯携载织物进行预缩。当橡胶毯受力而卷曲时，外弧伸长而内弧收缩，如果将其再反向弯曲，则原来伸长的一面变为收缩，而收缩的一面则伸长。预缩处理时，含有一定湿度的织物紧贴橡胶毯运行，经由压缩区，从橡胶毯的外弧转向内弧，即从拉伸部分转入收缩部分，由于织物被橡胶毯与承压滚筒夹持而不允许滑动，随着该橡胶毯的复原收缩而被压缩，从而发生一定的收缩。</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-align: left; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section></section><div style="text-align: center;"><img src="https://dayaotex-edu.fsh.bcebos.com/v1/dayaotex-edu/1.11.png?authorization=bce-auth-v1%2F59b7a26546d74b64bfd056b483465817%2F2022-10-13T02%3A40%3A05Z%2F-1%2F%2F0df02cca1f713c3cc2d9b20363d0ffc11f07d68ce28191b07db6a6e35f3a5ef7" style="width: 50%;" data-filename=""><br></div><section data-role="paragraph" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 0px; max-width: 100%; min-height: 1em; letter-spacing: 1px; outline: none 0px !important; overflow-wrap: break-word !important;"><br></section><section style="margin: 0px; padding: 0px; max-width: 100%; letter-spacing: 0.544px; line-height: 27.2px; font-family: -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; outline: none 0px !important; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; outline: none 0px !important; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; outline: none 0px !important; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; outline: none 0px !important; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; outline: none 0px !important; overflow-wrap: break-word !important;"><section data-width="100%" style="margin: 0px; padding: 0px; max-width: 100%; width: 677px; outline: none 0px !important; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 0px; max-width: 100%; min-height: 1em; text-align: center; color: rgb(0, 0, 0); letter-spacing: 1px; outline: none 0px !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 12px; color: rgb(1, 115, 99); outline: none 0px !important; overflow-wrap: break-word !important;">橡胶带屈曲变形情况</span></section><section style="margin: 0px 8px; padding: 0px; max-width: 100%; min-height: 1em; color: rgb(0, 0, 0); letter-spacing: 0.544px; outline: none 0px !important; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; max-width: 100%; min-height: 1em; color: rgb(0, 0, 0); letter-spacing: 0.544px; text-indent: 2em; outline: none 0px !important; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); outline: none 0px !important; overflow-wrap: break-word !important;">平放时上下两边相等(AB=CD=EF)，弯曲时，则一面收缩，另一面伸长，见图2（b）（c）所示，A’B’＜E’F’或A“B”大于E“F”。</span></section></section></section></section></section></section></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-align: left; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); font-size: 14px; overflow-wrap: break-word !important;">通常，织物在人机前经适当给湿(10％一15％)和加热处理，使纤维变得比较柔软和具有较大的可塑性，也有在给湿前(烧毛整理后)先经轻浆渗透或泡沫上浆、烘筒干燥处理，以加强预缩控制和提高预缩效果。织物经由橡胶毯预缩时，先预烘去除部分水分，出机后再经无张力的毛毯烘燥机进行烘干和烫平，消除压缩时因收缩过多而产生的皱纹，以获得丰满的手感和柔和的光泽。</span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section data-tools="135编辑器" data-id="98253" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 10px auto; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; letter-spacing: 4px; font-size: 16px; color: rgb(234, 249, 253); text-shadow: rgb(1, 115, 99) 1px 1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) -1px 1px, rgb(1, 115, 99) -1px -1px, rgb(1, 115, 99) 0px 1.4px, rgb(1, 115, 99) 0px -1.4px, rgb(1, 115, 99) -1.4px 0px, rgb(1, 115, 99) 1.4px 0px, 2px 0px, rgb(195, 217, 223) 0px 3px, rgb(231, 197, 188) 0px 3px, rgb(195, 217, 223) 0px 2px, rgb(231, 197, 188) 0px 2px; font-weight: bold; overflow-wrap: break-word !important;">预缩整理机的构成</section></section></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; border-width: 0px; border-style: initial; border-color: initial; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">预缩整理机的主要机构是一条环状无缝的毛毡或橡胶毯，包裹在给布辊筒（即加压棍）上，形成了弹性物质的拉伸部分，随即该环状毛毡或橡胶毯转为包裹在加热的大烘筒或承压辊上。</span></section><section style="margin: 0.63em 8px 1.8em; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-align: left; border-width: 0px; border-style: initial; border-color: initial; color: rgb(25, 25, 25); line-height: 30.4px; font-family: "PingFang SC", Arial, 微软雅黑, 宋体, simsun, sans-serif; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; border-width: 0px; border-style: initial; border-color: initial; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">这时原在给布辊上被拉伸的毛毡或橡胶毯，到了大辊筒上，即转变为收缩状态，毛毡或橡胶毯的表面即从外边弧转变为内边弧，使紧压于毛毡或橡胶毯上的织物同时也收到压缩的效果，织物上的水分和电热靴及大烘筒或承压辊上的热量，可以增加纤维的可塑性，从而增进织物的压缩作用。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.544px; overflow-wrap: break-word !important;"></span></section><section style="margin: 0.63em 8px 1.8em; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-align: left; border-width: 0px; border-style: initial; border-color: initial; color: rgb(25, 25, 25); line-height: 30.4px; font-family: "PingFang SC", Arial, 微软雅黑, 宋体, simsun, sans-serif; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; border-width: 0px; border-style: initial; border-color: initial; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">如以橡胶毯预缩机为例，从图3可以看出当橡胶毯围绕于给布辊与承压辊之间，是橡胶毯表面一部分伸长，另一部分收缩，包在给布棍上的橡胶毯a段，表面是伸长的，在承压辊上的a'段，表面是收缩的。运转时由a段到a'段，恰由表面伸长状态变为收缩状态。b和b’段位在橡胶毯中部，所以b’段的长度是不变的，即b= b’。</span></section><section style="margin: 0.63em 8px 1.8em; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-align: left; border-width: 0px; border-style: initial; border-color: initial; color: rgb(25, 25, 25); line-height: 30.4px; font-family: "PingFang SC", Arial, 微软雅黑, 宋体, simsun, sans-serif; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; border-width: 0px; border-style: initial; border-color: initial; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">在给布辊时a＞b，而到了承压辊时，就变成a’＜b’。同时橡胶毯经给布辊及承压辊压轧后，部分受到剧烈的压缩作用，到了S点后，橡胶毯才逐渐恢复到原来的厚度，于是就产生了向后挤缩的反作用力F，向承压辊方向挤压，结果就增大了对织物的压缩作用。热的作用加强了纤维的可塑性，则更有利于收缩。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.544px; overflow-wrap: break-word !important;"></span></section><section style="margin: 0.63em 8px 1.8em; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-align: left; border-width: 0px; border-style: initial; border-color: initial; color: rgb(25, 25, 25); line-height: 30.4px; font-family: "PingFang SC", Arial, 微软雅黑, 宋体, simsun, sans-serif; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; border-width: 0px; border-style: initial; border-color: initial; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">因此预缩好的织物，离开承压辊时就应拉离橡胶毯, 使其不再与橡胶毯接触。由于橡胶毯在后面的导辊上又呈拉伸状态，如织物仍紧贴在橡胶毯上，就会再被拉伸而消除了预缩效果。</span></section></section></p><p><div style="text-align: center;"><img src="https://dayaotex-edu.fsh.bcebos.com/v1/dayaotex-edu/1.12.jpg?authorization=bce-auth-v1%2F59b7a26546d74b64bfd056b483465817%2F2022-10-13T02%3A40%3A46Z%2F-1%2F%2F00ed4010c39f477d4460be1a4be4d6b8cf8577710b2c755a95a674a27f9ec98f" data-filename="" style="width: 25%;"></div><section data-role="paragraph" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;"><section style="margin: 0.63em 8px 1.8em; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-align: left; border-width: 0px; border-style: initial; border-color: initial; color: rgb(25, 25, 25); line-height: 30.4px; font-family: "PingFang SC", Arial, 微软雅黑, 宋体, simsun, sans-serif; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; border-width: 0px; border-style: initial; border-color: initial; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><br></span></section><p style="margin-top: 0.63em; margin-bottom: 1.8em; outline: 0px; max-width: 100%; clear: both; min-height: 1em; text-align: center; border-width: 0px; border-style: initial; border-color: initial; color: rgb(25, 25, 25); line-height: 30.4px; font-family: "PingFang SC", Arial, 微软雅黑, 宋体, simsun, sans-serif; overflow-wrap: break-word !important;"><span style="color: rgb(1, 115, 99); font-size: 12px; letter-spacing: 0.544px;">图3 橡胶毯预缩机压迫收缩的原理</span></p><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">机械预缩整理是用机械和物理方法改善织物中经向纱线的织缩状态，由于在前工序加工时，织物经向常呈被拉伸状态，造成了经纱在织物中伸得太直的后果，即经纱的织缩比正常状态者为低，机械预缩就是解决或改善经纱织缩的不正常状态。换句话说，就是解决或改善了织物的经向缩水问题。</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; letter-spacing: 0.544px; overflow-wrap: break-word !important;"></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section></section><section data-tools="135编辑器" data-id="98253" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;"><section style="margin: 10px auto; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; text-align: center; letter-spacing: 4px; font-size: 16px; color: rgb(234, 249, 253); text-shadow: rgb(1, 115, 99) 1px 1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) -1px 1px, rgb(1, 115, 99) -1px -1px, rgb(1, 115, 99) 0px 1.4px, rgb(1, 115, 99) 0px -1.4px, rgb(1, 115, 99) -1.4px 0px, rgb(1, 115, 99) 1.4px 0px, 2px 0px, rgb(195, 217, 223) 0px 3px, rgb(231, 197, 188) 0px 3px, rgb(195, 217, 223) 0px 2px, rgb(231, 197, 188) 0px 2px; font-weight: bold; overflow-wrap: break-word !important;">预缩整理工艺要点</section></section></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><section style="margin: 0px 8px 20px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">预缩处理时一定要保持三个稳定，即预缩机车速保持稳定，进入橡胶毯单元的织物回潮率保持稳定，以及橡胶毯单元中承压烘筒的蒸汽压力保持稳定。加工过程中，必须在织物上做缩水率监测标记，检查、核对织物预缩率，发现问题要及时进行调整，确保缩率稳定。在预缩设备操作过程中，必须加强人员操作管理和设备管理，以防止疵病产生， 同时还要掌握疵病的解决方法以减少疵病率。表1列出了预缩处理时设备操作的要点。</span><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.544px; text-align: center; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.544px; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 15px; overflow-wrap: break-word !important;"></strong></strong></section><section data-tools="135编辑器" data-id="95464" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;"><section style="margin: 2em auto; padding: 0px; outline: 0px; max-width: 100%; text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section data-tools="135编辑器" data-id="98253" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 10px auto; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 4px; font-size: 16px; color: rgb(234, 249, 253); text-shadow: rgb(1, 115, 99) 1px 1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) 1px -1px, rgb(1, 115, 99) -1px 1px, rgb(1, 115, 99) -1px -1px, rgb(1, 115, 99) 0px 1.4px, rgb(1, 115, 99) 0px -1.4px, rgb(1, 115, 99) -1.4px 0px, rgb(1, 115, 99) 1.4px 0px, 2px 0px, rgb(195, 217, 223) 0px 3px, rgb(231, 197, 188) 0px 3px, rgb(195, 217, 223) 0px 2px, rgb(231, 197, 188) 0px 2px; font-weight: bold; overflow-wrap: break-word !important;">预缩整理易出现的问题与防治</section></section></section></section></section></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; text-indent: 2em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;">预缩整理易出现的问题有鱼鳞斑、经向折皱、轧皱、纬斜、落布湿、缩率不足、门幅窄等。<br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></span></section><section style="margin: 0px 8px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; min-height: 1em; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section><ul class="list-paddingleft-1" style="margin-right: 8px; margin-bottom: 0px; margin-left: 8px; padding-left: 1.2em; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;"><li style="outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px 0px 10px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">鱼鳞斑</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">。</span></strong><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">由橡胶毯部分老化及织物预缩不匀造成。对已出疵病老化的橡胶或呢毯进行研磨或调换。</span></span></section></li><li style="outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px 0px 10px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">经向折皱</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">。</span></strong><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">由于预缩前的织物已经向皱纹或织物进预缩机时经向张力过大造成。在前工序加工中注意防止经向折皱的产生，即预缩时可放松绷布架，减少经向张力，以解决经向折皱问题。</span></span></section></li><li style="outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px 0px 10px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;"> 轧皱</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">。</span></strong><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">进布张力太小，布面过松，给布辊左右压力不等，坯布边口太松或两边边口松紧不匀等均可造成轧皱。可调节绷布架增加进布张力，调节进布轧辊保持两边压力均匀一致。<br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></span></span></section></li><li style="outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px 0px 10px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"> <span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">纬斜</strong></span><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">。</strong>造成原因有进布位置不正、导布辊不平整、给布辊两边压力不均等。加工时应摆正进布位置，保证导布辊平直，并调节压力，使给布辊两端压力均匀一致。</span></section></li><li style="outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px 0px 10px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">落布湿</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">。由于织物在加工过程中给湿过度造成。故在预缩过程中，要控制好喷雾量及运行车速，可降低车速，以使落布被充分烘干。</span></span></section></li><li style="outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px 0px 10px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">缩率不足</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">。预缩效果不好，尺寸稳定性差。这是由于承压辊位置太高、承压辊温度太低、给布辊压力不够、进出布张力太大等原因造成的。可适当降低承压辊位置，控制喷雾给湿，提高承压辊汽压，加大给布辊压力，减少进出布张力。</span></span></section></li><li style="outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(1, 115, 99); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">门幅窄</span></strong></span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(63, 63, 63); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">。</span></strong><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; overflow-wrap: break-word !important;">由于前工序加工造成预缩前门幅不足，或是预缩时进布张力过大，导致织物经预缩后门幅变窄。在前面各加工工序中要严格按工艺操作，保证来布幅宽符合要求；同时在预缩加工过程中，要注意适当减小进布张力。</span></span></p></li></ul></p>