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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>电线电缆的尺寸检查</h3></div> <div class="contentinfo pc_show">作者：<a>hlyb</a> 添加时间：2016-03-09 16:02:36 </div> <!-- 正文 --> <div> 购买电线电缆，不仅对其质量上严格把关，电线电缆厂家认为对电线电缆的尺寸也要进行一定的检查，而电线电缆的尺寸检查包括：外径测量、导体绞合节距的测量、称重截面的测量、绝缘皮或护套的厚度测量、包带间隙、重叠率的测量;下面电缆厂家对这几种测量为大家做简单介绍：</div><div> 1、外径测量：对电线电缆外径的测量方法有：直接测量法、纸带法、刻度放大镜法;我们最常用的有直接测量法、纸带法。</div><div> 2、导体绞合节距的测量 ：节距就是导电线芯上的单线在旋转一周所发生的位移。电线电缆的节距包括束线节距、绞线节距、成缆节距、绕包节距。</div><div> 3、称重截面的测量：电缆的规格通常以标称截面来表示，一般以直流电阻来考核衡量，实际生产中还要测量称重截面，通过称重截面与直流电阻的关系来进行导体绞合的改进，以达到最合理的设计。测量工具：电子秤、钢皮尺。</div><div> 4、绝缘皮或护套的厚度测量：对电线电缆绝缘或护套厚度的测量方法一般有两种：外径测量法和直接测量法</div><div> 5、包带间隙、重叠率的测量：测量工具：游标卡尺</div><div> 6、编织密度的测量：测量工具：千分尺</div><p><br class="Apple-interchange-newline"/></p><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=165"></script> <div class="view_n"> 浏览： <script src="/index.php?case=archive&act=view_js&aid=165"></script></div> <div class="blank30"></div> <!-- 上下页开始 --> <div id="page"> <strong>上一篇：</strong><a href="/index.php?case=archive&act=show&aid=164">电线电缆中三种编织层的作用</a> <div class="blank10"></div> <strong>下一篇：</strong><a href="/index.php?case=archive&act=show&aid=166">电缆表面没有暴露出故障点怎么办</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 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