</noscript> <script type="text/javascript"> <!-- function stop(){ return false; } document.oncontextmenu=stop; //--> </script> <header class="hl_nei" > <script> var zw=$("html").width(); var tg=$(window).scrollTop(); // 下拉导航缩放 if(tg>1){ $(".n_header").addClass("headb_box"); } $(window).scroll(function(){ if(zw>1200){ var zg=$(window).scrollTop(); if(zg>=10){ $(".n_header").addClass("headb_box"); }else{ $(".n_header").removeClass("headb_box"); } } }); </script> <div class="n_header "> <div class="top"> <div class="top1"> <div class="top1_1"> <div class="head_l"> <a>欢迎访问安徽宏林仪表线缆有限公司！</a></div> <div class="header_right"> <ul> <span class=top_tel><a>0550-7516689</a></span><a>|</a><a href=/index.php?case=archive&act=show&aid=364>免责申明</a><a>|</a><a href=/index.php?case=archive&act=show&aid=334 class=map>网站地图</a><a>|</a><a href=/ class=chinese>中文</a><a>|</a><a href=http://en.ahhonglin.com class=english>English</a> <style type=text/css> .contact_bottom { display: none; } .Albums_left { 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<div class="banner_nei"> <div class="banner_nei_center"> <div class=bg> <img src="http://www.ahhonglin.com//cn/upload/images/202111/16377217253814.jpg" /> </div> <div class=txt> <h1>技术支持 </h1> <p></p> </div> </div> </div> <div class="box box2"> <div class="box2_t"></div> <div class="box2_b"></div> <div class="left"> <!--只展开当前栏目所在一级栏目下的分类--> <!--只展开当前栏目所在一级栏目下的分类--> </div> </script></div> <div class="right"> <div class="right1 news_lists"> <div id="content"> <div class="wz_title"><h3>电缆的填充料有什么作用</h3></div> <div class="contentinfo pc_show">作者：<a>hlyb</a> 添加时间：2016-03-09 15:59:44 </div> <!-- 正文 --> <div>电缆的填充料的作用介绍<br/> 多芯电缆成缆后，在各绝缘线芯间必然会有很大空隙。为了使成缆外径相对圆整以利于包带，挤护套，也为了电缆的稳定，内部结实，必须在空隙中填充材料。填充虽是一种辅助结构，但也是必要的，特别对导线截面大的电缆。</div><div> 电力电缆的填充现采用两种方法，一是用纤维并和填充，填充量按计算出的间隙面积设置；二是用预制发泡塑料条填充，同样按计算面积预制。</div><div> 多芯移动橡套电缆成缆后的填充，一般只是填充中心部位，外侧的几个间隙议案时挤橡胶套时直接嵌入。其原因是橡胶电缆成缆后一般不加包带，也不会采用硬的铠装层，而橡皮比塑料要柔软有弹性。中心填充可采用橡胶皮条，麻绳或则合成纤维条。但是矿用电缆因要承受很大挤压力或则冲击力，对中心填充的要去很好，必须预制马鞍形的填芯，而且必须用含橡胶量比较高的橡皮。</div><div>填充材料有：黄麻，棉纱，橡皮条，塑料条和聚丙烯撕裂薄膜条等。主要要求是用非吸湿材料。对绝缘材料无影响（不起化学反应），廉价等。目前电力电缆主要用聚丙烯撕裂薄膜条和泡沫交联聚乙烯预支条。橡套电缆用黄麻或则橡皮条。</div><p></p><div class="clear"></div> <div class="blank30"></div> <div class="blank30"></div> <!-- 投票 --> <script src="/index.php?case=vote&act=view&aid=161"></script> <div class="view_n"> 浏览： <script src="/index.php?case=archive&act=view_js&aid=161"></script></div> <div class="blank30"></div> <!-- 上下页开始 --> <div id="page"> <strong>上一篇：</strong>无 <div class="blank10"></div> <strong>下一篇：</strong><a href="/index.php?case=archive&act=show&aid=162">控制电缆安装需要注意的问题</a> </div> <!-- 上下页结束 --> <!-- 相关文章开始 --> <!-- 相关文章结束 --> <div class="blank30"></div> <a title="返回顶部" href="#" class="clear floatright"><img alt="返回顶部" src="/images/gotop.gif"></a> <div class="blank30"></div> </div> <div class="clear"></div> </div> 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