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border-right-style:solid; border-right-width:1px; border-top-width:1px; border-bottom-style:solid; border-bottom-width:1px" height="484" bordercolor="#1A7DB3"> <tr> <td height="28" background="/images/Title07.jpg"><span class="STYLE4">    新闻中心 </span></td> </tr> <tr> <td width="728" align="center" valign="top" style="line-height: 200%; padding-left: 5px; padding-top: 5px; color:#333333"> <table width="700" border="0" align="CENTER" cellpadding="0" cellspacing="0" style="margin-top:5px;"> <tr> <td><table width="722" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="30" height="36"> </td> <td width="673" align="center" style="color:#000000; font-size:16px; font-weight:bold"> <h1>ϲ2019꿪ѯ:点焊机电?/h1> </td> <td width="51"> </td> </tr> <tr> <td> </td> <td> </td> <td> </td> </tr> </table></td> </tr> <tr> <td align="center" style="color:#999999"><strong class="njp">发布旉Q?/strong>2016-10-19 <strong class="njp">来源Q?/strong>沈阳威克创新焊接讑֤有限公司 </td> </tr> <tr> <td height="20"> </td> </tr> <tr> <td> <p> <a href="//www.dycmm.icu/">ͳһͼϲ</a> www.dycmm.icu 什么是<a href="//www.dycmm.icu/" title="ͳһͼϲ">ͳһͼϲ</a>Q?/p> <p>{:在点焊过E中两个甉|间生电弧放电,利用电弧的热量熔化金属达C焊g接合的过E,焊接讑֤上的甉|输入与输出的两个端子都叫甉|?/p> <p>铬锆铜是最常见而又必不可少的东西,一个好的电极直接媄响焊接整体性h与质量的标准Q质量过的甉|可以辑ֈ指标很好的^衡?/p> <p>1、优良的导电性:保证焊接回\L最化Q获得优质的点焊质量?/p> <p>2、高温机械性能Q比较高的Y化温度保证焊接高温环境下甉|材料的性能及寿命gѝ?/p> <p>3、较高的耐磨抗损Q电极不易磨损、g长用寿命、降低成本?/p> <p>4、较高的度和强度:保证甉|头在一定的压力下工作不易变形压溃,保证焊接质量?/p> <p> ׃甉|的接触面U决定着甉|密度Q电极材料的电阻率和导热性关pȝ热量的生和散失Q因此,甉|的Ş状和材料对熔核的形成有显著媄响。随着甉|端头的变形和损Q接触面U增大,焊点强度降低?/p> <p>ȝQ?/p> <p>甉|是我们日常工作用较多的材料Q但是在使用q程中会遇到一些问题,比如甉|_住的情况,那是什么原因导致的呢?</p> <p>{:q是因ؓ采用的电极材料ؓCUCR或者CUCUZRQ材料中的CU在焊接时接触高温熔化Ӟ镀锌板的锌zn与cu反应会生成CU与ZN的合金,而CUZN是黄铜合金的成分Q在q过E生了化学反应Q损耗了甉|材质Q因而生粘住现象?/p> <p>甉|使用q久Q表面会产生氧化层,q样会对焊接有媄响,需要我们用砂纸或者锉刀修磨Q但是不可以修的高低不^Q也或者用电极修器Q它是用于焊接电极磨损后的整体修整将上下甉|UdC机刀头两侧,焊钳加压Q同时被修磨机刀头开始旋转,切削讑֮的时间后Q电极端面被修出新的表面Q压堆变形和表面氧化层被修理掉?/p> <p> </p> <p> </p> <p> </p> <p>                            --<a href="//www.dycmm.icu/" title="ͳһͼϲ">ͳһͼϲ</a></p> </td> </tr> <tr> <td height="20"> </td> </tr> </table></td> </tr> </table> </td> </tr> </table> ?table border="0" width="970" height="68" cellspacing="1" cellpadding="0" background="/images/bott_bg.gif" align="center"> <tr> <td height="20" > <p align="center" style="padding-top:10px"> <font color="#FFFFFF">版权所?沈阳威克创新焊接讑֤有限公司Copyright ©2007-2018 </font> </p><br /> </td> </tr> <tr> <td> <p align="center"> 地址Q沈阛_于洪区沈大\146-2?nbsp; 电话Q?24-31029733 31029732  传真Q?24-62665536  E-mailQ?shenyangweike@163.com   </p> </td> </tr> </table> <table border="0" width="970" height="48" cellspacing="1" cellpadding="0" align="center"> <tr> <td> <p align="center"> ICP备案P辽ICP?2005499?/p> </td> </tr> </table> <script>(function(){ var src = (document.location.protocol == "") ? 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