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border-left-width: 1px; border-right-style: solid; border-right-width: 1px; border-bottom-style: solid; border-bottom-width: 1px" bordercolor="#1a7db3"> <TABLE width="212" height="48" border="0" align="center" cellPadding="0" cellSpacing="0"> <TBODY> <TR> <TD align="left" vAlign="center" background="/images/contact.jpg"> <table width="210" border="0" cellpadding="0" cellspacing="0"> <tr> <td height="24"> <span><strong>沈阳威克创新焊接讑֤有限公司</strong></span> </td> </tr> <tr> <td height="24">?sh)?024-31029733 31029732</td> </tr> <tr> <td height="24">传真:024-62665536</td> </tr> <tr> <td height="24">手机:13840081050</td> </tr> <tr> <td height="24">E-mail:shenyangweike@163.com</td> </tr> <tr> <td height="24">地址:沈阳?jng)于z区沈大?46-2?/td> </tr> </table> </TD> </TR> </TBODY> </TABLE> </td> </tr> </table> </td> <td height="309" width="10"> </td> <td height="309" width="728" valign="top"> <table cellpadding="0" width="728" style="border-collapse: collapse; border-left-style:solid; border-left-width:1px; 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 id="qsoucqg" class="STYLE4">    新闻中心(j) </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>点焊机电(sh)极的作用是什么?威克专家为?zhn)解?/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>发布旉Q?/strong>2016-12-29 <strong>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="http://www.haoyimin123.com">甉|</a>q个物g在点焊当中还是占有很高地位的Q因ZQ何一台设备都M开甉|Q可以认为电(sh)极直接决定焊接点的质量,多数甉|都是由铬锆铜材质制作而成Q其化学E序为《CuCrZr》因为本w拥有良好的化学物理成分Q质地坚Z耐腐蚀性强Q可以保证在很重的压力下工g不轻易变形压溃,q保证焊接质量?/p> <p>它的主要功能有:(x)</p> <p>向被焊工件传导焊接电(sh)?/p> <p>向被焊工件传递焊接压力?/p> <p>快速导散焊接区的热量?/p> <p>甉|材质Q上面已l表明了(jin)甉|的用途,在制造电(sh)极的材料应具有够高的导늎Q导热率和高温硬度,甉|本n要有_的硬度以?qing)充分的冷却效果Q资料表明电(sh)极与工g间的接触?sh)阻应略低些Q以防止被焊工g表面熔化或电(sh)极与工g表面之间的合金化?/p> <p>在大量生产中甉|的损耗也是不可避免的Q因为本w属于是易耗品Q而h(hun)g是众多企业所考虑的一,CuCrZr相对来说Qh(hun)格实惠,而且质量耐用Q可以满不同h的消费水准?/p> <p>常用的电(sh)极材料适用于哪些范_(d)(x)</p> <p>常用的电(sh)极材料有Q纯钨金属、纯铜金属、纯钼金属、铬铜合金、铝铜合金、铍铜合金、钼铜合金、钨铜合金等?/p> <p>举个例子Q低钢工g--选用甉|Q铬铜合金)(j)Q纯铝工?-选用甉|Q纯钨金属,U钼金属Q铬铜合金)(j)U铜工g--黄铜工g--选用甉|Q铬铜合金)(j)Q纯银工?-选用甉|Q钨铜合金)(j)Q纯镍工?-选用甉|Q铝铜合金,铬铜合金Q,不锈钢工?-选用甉|Q铬铜合金)(j)Q选用甉|Q纯钨金属,U钼金属Q钨铜合金,钼铜合金Q?/p> <p>有次我看见网站上有h留言跟我_(d)点焊时电(sh)极ؓ(f)什么出现粘损的现象Q?/p> <p>其实原因很简单,甉|本n是损耗gQ外在的原因一般是工作热量大、长旉使用它本w就?x)发热,在逐渐的用过E中p损?jin)就会(x)出现工件粘q现象?/p> <p>说了(jin)q么多想必大家对甉|也有一定的?jin)解吧,如果?zhn)还有什么不明白的地方,可以到我的网站上留言Q或者拨打电(sh)话都可以Q随时恭候?zhn)的到来?/p> <p>联系人:(x)张强  ?sh)话Q?3840081050  |站Q?a href="http://www.haoyimin123.com">http://www.haoyimin123.com</a></p> <p> </p> <p> </p> <p>                           --<a href="http://www.haoyimin123.com">沈阳威克创新焊接讑֤有限公司</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_(jng)于洪区沈大\146-2?nbsp; ?sh)话Q?24-31029733 31029732  传真Q?24-62665536  E-mailQ?shenyangweike@163.com   <script type="text/javascript"> var _bdhmProtocol = (("https:" == document.location.protocol) ? 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