?!DOCTYPE html> 【准讯电子?电\板的保养斚w的介l?/title> <link href="http://www.gradesecret.com/skin/lh6147/101.css" rel="stylesheet" type="text/css" /> <script type='text/javascript' src='http://oldfile.4e8.com/skin/lh6147/js/jquery.min.js?v=1'></script> <script type='text/javascript' src='http://oldfile.4e8.com/skin/lh6147/js/lanrentuku.js?v=1'></script> <script type='text/javascript' src='http://oldfile.4e8.com/skin/lh6147/js/jquery.SuperSlide.2.1.1.js?v=1'></script> <script type="text/javascript" src="http://filecdn.qkk.cn/libs/jquery/2.1.4/jquery.min.js"></script> <script type='text/javascript' src='http://oldfile.4e8.com/skin/lh6147/js/jqthumb.min.js?v=1'></script> <script type="text/javascript" src="http://filecdn.qkk.cn/javascript/changedevice.js?site=0"></script> <script type="text/javascript"> $(function(){ $('.apply img').jqthumb({ width: 270, height: 270, after: function(imgObj){ imgObj.css('opacity', 0).animate({opacity: 1},1000); } }); }); </script> <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><!--D--> <div class="nav"> <div class="nav_con"> <div class="logo"> <img src="http://tjzxdz.net/site/7211/upload/config/logo.png"> </div> <div class="nav_list"> <ul> <li><a href="http://www.gradesecret.com/" title="准讯电子" >首页</a></li><li><a href="http://www.gradesecret.com/xwzx/" title="公司新闻" zfydh="MM_105" class="on">公司新闻</a></li><li><a href="http://www.gradesecret.com/cpzs/" title="产品展示" zfydh="MM_101" >产品展示</a></li><li><a href="http://www.gradesecret.com/alzs/" title="施工讑֤" zfydh="MM_102" >施工讑֤</a></li><li><a href="http://www.gradesecret.com/gywm/" title="关于我们" zfydh="MM_100" >关于我们</a></li><li class="last"><a href="http://www.gradesecret.com/lxwm/" title="联系我们" zfydh="MM_104" >联系我们</a></li> </ul> </div> </div> </div><!--nbanner--> <div id="slideBox" class="slideBox_ziye"> <div class="bd"> <ul class="reset_ul"> <li class="Ad_hdp_01"><img src="http://file.hk7.ejion.net/site/7211/upload/ad/images/nbanner.jpg?v=20211202143030" width="1920" height="350" alt="" border="0" /></li> </ul> </div> </div> <script id="jsID" type="text/javascript"> var ary = location.href.split("&"); jQuery("#slideBox").slide( { mainCell:".bd ul", effect:ary[1],autoPlay:true,trigger:ary[3],easing:ary[4],delayTime:500,mouseOverStop:ary[6],pnLoop:ary[7] }); </script> <div class="about_con"> <div class="ac_box"> <div class="about_nav"> <div class="about_us">公司新闻</div> <div class="about_column"> <img src="http://oldfile.4e8.com/skin/lh6147/img/house_03.png"> <span>首页</span> <span>>></span> <span>公司新闻</span> </div> </div> </div> <div class="about_content"> <div class="about_box"> <div class="abt_column"> <ul> <div class="left_menu"><ul><li class="left_menu_1"><a href="http://www.gradesecret.com/xwzx/xyzx/" class="on" ref="10007">新闻资讯</a></li><li class="left_menu_1"><a href="http://www.gradesecret.com/xwzx/xyxx/" ref="10014">行业信息</a></li></ul></div><script type="text/javascript">$(document).ready(function() {$(".left_menu a[rex='nolink']").each(function(){var objThis=$(this);objThis.attr("href", "javascript:void(0)");objThis.click(function(){MMM_classMenu(this,objThis.attr("rel"));});});$(".left_menu .on").each(function(){var _arr=$(this).attr("ref").split(',');for (var i=0;i<_arr.length;i++){$("#leftmenu" + _arr[i]).show();}});});function MMM_classMenu(obj,sid){if ($("#leftmenu" + sid).is(":hidden")){$("#leftmenu" + sid).show();$(obj).parent().addClass("classmenuopen");}else{$("#leftmenu" + sid).hide();$(obj).parent().removeClass("classmenuopen");}}</script> </ul> </div> <div class="about_text"> <h3>电\板的保养斚w的介l?/h3> <p><p>       攚w开放以来,我国׃在劳动力资源、商场、投资等斚w的优惠政{,吸引了欧制造业的大规模搬运Q电路板焊接大量的电子品及刉商工厂设立在我国Q天z电路板加工的生产工艺多U多P当然电\板加工h格就多种多样了,在选择电\板加工厂家的时候,不同的线路板厂家电\板加工h格是不同的,我们C襉K喜欢货比三家Q电路板加工h同样如此Q厂家不同hD然不一栗?/p> <p style="text-align: center;"><img src="http://admin.zhunxun.hk3.site.ejion.net/site/7211/upload/cpzs/upload/2018326/907259201632114317-129.jpg" alt="天|电\板加? width="400" /></p> <div><span style="white-space:pre"> </span>印刷电\板加工厂分布在北部和南部。南部多层印制电路板较多Q北部单侧印制电路板较多。主要有质多氯联苯、铝基板和翔宇多氯联苯。在使用q程中,应定期对电\板进行维护,以确保电路板工作状态良好,降低电\板故障率。对使用中的电\板的l护分ؓ以下几种情况Q?。半l护Q?1)每季度清z一ơ电路板上的灰尘Q可用专门针对电路板的清z液q行清洗Q清z完电\板上的灰后Q用吚w机吹q电路板上的灰尘。(2Q观察电路中的电子元件是否有高温痕迹Q电解电容器是否有鼓漏现象,如有应更换?。每q维护:1清理电\板上的灰。如果发现电解电容器的容量小于标U容量的20%Q则应更换电解电容器的容量,更换电解电容器的寿命Uؓ10q_以保证电路板的工作性能。(3Q对于涂有散热硅脂的大功率装|,应检查散热硅脂是否干燥。对于干备,应去除散热硅脂,q涂上新的散热硅脂,以防止散热不良导致电路板大功率设备烧毁?/div> <div> </div></p> <p class="page"> <span>上一:</span> <script type="text/javascript" src="http://tjzxdz.net/include/nextpage.aspx?type=1&channelid=105&classid=10007&id=240"></script> <span>下一:</span> <script type="text/javascript" src="http://tjzxdz.net/include/nextpage.aspx?type=2&channelid=105&classid=10007&id=240"></script> </p> </div> </div> </div> </div><div class="footer"> <div class="footer_box"> <div class="L"> </br> Copyright 准讯Q天z)电子有限公司 All Rights Reserved.  <a href="http://www.gradesecret.com/">天|SMT贴片加工</a>,<a href="http://www.gradesecret.com/">天|电子加工</a>,<a href="http://www.gradesecret.com/">天|电\板加?/a>联系电话Q?22-25763532 </div> <div class="R"> <img src="http://file.hk7.ejion.net/site/7211/upload/ad/images/ewm.png?v=20211202143030" width="87" height="87" alt="" border="0" /> </div> </div> </div> <a href="http://www.gradesecret.com/">شŮܳ3D,ŷƬ ߿,ƷaƷӰԺ,91Ʒˮ,ŷ츾Ȥ칫XXƵ</a> <script> (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); </script> </body>