?!DOCTYPE html> 分享检查控制电缆质量的方法 - 金华市梅兰日兰电气有限公?/title> <meta name="Keywords" content=""> <link href="/template/NESTXY00007/css/bootstrap.min.css" rel="stylesheet"> <link href="/template/NESTXY00007/css/style.css" rel="stylesheet"> <link href="/template/NESTXY00007/css/shake.css" rel="stylesheet"> <link href="/template/NESTXY00007/dist/aos.css" rel="stylesheet" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div style="position:fixed;left:-9000px;top:-9000px;"></div> <header data-headroom id="header" class="navbar navbar-default navbar-fixed-top" role="navigation"> <div class="navbar-top visible-lg"> <div class="container"> <span class="pull-left">金华市梅兰日兰电气有限公司为您免费提?a href="/">金华电缆</a>?a href="/supply/">金华电线电缆批发</a>?a href="/news/">金华电线厂家</a>等相关信息发布和最新资讯,敬请关注?/span> <span class="pull-right"><script type="text/javascript" src="http://home.nestcms.com/32129/stat/"></script></span> </div> </div> <div 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href='http://www.91suoyin.com/news/58.html'>http://www.91suoyin.com/news/58.html</a></p> </article> <article class="info"> <div class="bd"> <div><p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">下面<b>金华电缆</b>?b><b>金华电线</b>电缆</b>及金华电线厂家来分享检查控制电缆质量的方法?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">一:测控制电缆绝缘介质的共同?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">控制电缆缘介质直径波动首要影响电缆的回波系数,此项检查可剖出一段电缆的绝缘介质,用千分尺细心栓查各点外径,看其是否共同?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">二:察绝缘介质的整度</span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">规范控制电缆的截面很圆整,电缆外导体、铝泊贴于绝缘介质的表面面。介质的表面面越圆整,铝箔与它表面的空地越小,越不圆整空地就越大。实践证明,空地越小电缆的功用越好,其他,大空地空气简单侵入屏蔽层而影响电缆的使用寿命?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">三:察电缆成圈形?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">电缆成圈不仅是个漂亮问题。并且也是质量问题。电缆成圈平坦,各条电缆坚持在同一同心平面上,电缆与电缆之间成圆弧平行地整体触摸,可减少电缆彼此受力,堆积不易变形损害,因此在检验电缆质量时对此不可漫不经心?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">四:查铝箔的质量</span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">控制电缆中起重要屏蔽效果的是铝箔,它在避免外来开路信号搅扰与有线电视信号汇露方面具有重要效果,因此对新进控制电旨应检查铝箔的质量。首先,剖开护套层,调查编织网线和铝箔层表面是否坚持杰出光泽;其次是取一段电缆,紧紧绕在金属小轴上,拉直向反向转绕,重复几回,再割开电缆护套层观看铝箔有无折裂现象,也可剖出一小段铝箔在手中重复揉搓和拉伸,经屡次揉搓和拉伸仍未断裂,具有耐性的为合作呕,否则为次品?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">五:查外护层的挤包紧?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">高质量的控制电缆外护层都包得很紧,这样可缩小屏蔽层内空地,避免空气进入形成氧化,避免屏蔽层的相对滑动引起电功用飘移,但挤包太紧会形成剥头不方便,添加施工难度。检查方法是?m长的电缆,在端部肃去护层,以用力不能拉出线芯为适宜?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">六:测控制电缆的编织?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;">控制电缆的纺织网线对控制电旨的屏蔽功用起着重要效果,并且在会合供电有线电视线路中仍是电源的回路途,因此控制电缆质量检测须对纺织网是否紧密平坦进行观察,方法是剖开控制电缆外护套,剪一小段控制电缆编织网,对编织网数量进行断定,如果与所给方针数值相符为合格,其他对单根纺织网线用螺旋测微器进行测量,在平等价格下,线径越粗质量越好?/span> </p> <p style="text-indent:2em;"> <span style="font-size:14px;line-height:2;"><img src="/uploads/image/20180329/20180329162031_5013.jpg" alt="" /><br /> </span> </p> <p style="text-indent:2em;"> <br /> </p> <p style="text-indent:2em;"> <br /> </p></div> </div> <p align="center" class="pageLink"></p> <p class="text-right">作者:www.91suoyin.com</p> </article> <hr class="m-sx-40" /> <div class="newArtiNext"><div>上一?<a href="59.html">电线电缆接头处发热的原因有哪?/a></div> <div>下一?<a href="57.html">金华电线的选用要遵循四大原?/a></div> </div> <div class="tag">相关标签?a href='/key.aspx?k=%b5%e7%c0%c2'>电缆</a>,</div> </div> <div class="col-xs-12 col-sm-12 col-md-3 col-lg-3"> <div class="ny-right"> <form method="post" class="search-form" action="/key.aspx" name="formsearch"> <input type="hidden" name="kwtype" value="0" /> 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