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2012-11-16 16:01:07
<section class="_135editor" data-role="paragraph" style="font-size: medium; 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); font-size: 14px; 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;"><br></p><section class="_135editor" data-role="paragraph" style="font-size: medium; 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); font-size: 14px; 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: 15px; overflow-wrap: break-word !important; outline: none 0px !important;"> 答 镍网目数的选择对印制效果有一定的影响。一般镍网目数的高低是根据花型精细程度来决定的,对块面花型主要依据是使用坯布、采用工艺、保证印制均匀度。对于线条、点子等精细花纹镍网目数的选用依据,是保证在各方向连续不断线的最细尺寸应是孔间距乘以系数1.65,即印制最细线条与镍网目数的关系为:</span></p></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-size: 14px; 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/yinranwenti4z177.jpg" _src="http://dayaotex-img.gz.bcebos.com/article/fffspic/yinranwenti4z177.jpg" draggable="false" data-ratio="0.254606365159129" data-w="597" style="max-inline-size: 100%; margin: 0px; padding: 0px; max-width: 100%; width: 444px; overflow-wrap: break-word !important; outline: none 0px !important; height: auto !important;"></p></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-size: 14px; 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: 15px; overflow-wrap: break-word !important; outline: none 0px !important;"> 显,对此可选用稍高目数的镍网,或略增加线条粗度加以改善。对点子、线条、劈丝选用高目数会影响其饱满度,因镍网目数越高,虽然网孔密度增加,但网孔直径变小,增大了给浆阻力,单位面积内给浆减少,一定程度上影响了花型饱满度,且对开车不顺造成局部堵网。如适用于60.45孔/cm(155目)镍网的印制线条,改用72.15孔/cm(185目)镍网印制,其线条饱满度反而差。对于块面花型一般选31.2孔/cm(80目)镍网,既能保证匀染度,印制时开车也顺利。</span></p></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-size: 14px; 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: 15px; overflow-wrap: break-word !important; outline: none 0px !important;"> 其他因素对印制效果也会产生一定影响。</span></p></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-size: 14px; 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: 15px; overflow-wrap: break-word !important; outline: none 0px !important;"> ①制网工艺。制网挂感光胶要稍厚些,显影后使线条形成“色沟区”。在印制过程中色浆充满“色沟区”,增加线条饱满度。</span></p></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-size: 14px; 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: 15px; overflow-wrap: break-word !important; outline: none 0px !important;"> ②使用坯布。除坯布纱支粗细、坯布光洁度会影响线条精细度外,坯布的亲水性也很重要。因为在印制过程中,“色沟区”的色浆要绝大部分转移到坯布上,如果坯布吸湿亲水性不一样,给浆压力大小一样,在使用同样目数镍网同工艺条件下,纯棉织物印制的饱满度要比涤/棉织物明显好。</span></p></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-size: 14px; 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: 15px; overflow-wrap: break-word !important; outline: none 0px !important;"> ③印制工艺。对线条印制要求采用能变性好的色浆,色浆要稍厚些,保证透网性好,花筒排列尽量在后面,以避免经后花筒挤压,机械错动,造成粘搭影响花纹精细度。</span></p></section><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></section><section class="_135editor" data-role="paragraph" style="font-size: medium; 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><section class="_135editor" data-role="paragraph" style="font-size: medium; 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;"><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" style="font-size: medium; 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><section class="_135editor" data-role="paragraph" id="autoparagraph" style="font-size: medium; 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; 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