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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>哈尔滨点焊机?sh)压监?/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>2019-11-14 <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">哈尔滨点焊机</a>?sh)压监控Q?/p> <p>    ?sh)压监控仪器主要有两U类型,?sh)压U分监控和电(sh)压差值监控AQ国内外都发展了(jin)q两UA器,各类仪器的结构和_ֺ虽然不同Q但基本原理是相似的?/p> <p>    甉|间电(sh)压信P直接从两甉|上读出,lo(h)波器送入差值电(sh)路,滤L器用以减噪声的q扰Q差值电(sh)路应完成甉|间电(sh)压最大值的记忆Qƈ与随后测到的下降的电(sh)压值和减求出差|差D入比较器与电(sh)压预|值相比较Q当?sh)压D到预||则通过焊接l端装置切断焊接甉|?/p> <p>    在电(sh)路设计时Q考虑到机器主回\的干扎ͼ如电(sh)源电(sh)压突然下跌)(j)Q防止点焊初期切断电(sh),监控器电(sh)路不?x)在焊接的?周内切断甉|Q保证了(jin)焊接E序的进行,另外Q定时器与控制系l是q行的功能,在电(sh)压控制不起作用时Q电(sh)压差D不到预置|(j)定时器按预调的时间切断焊接电(sh),q时Q报警红灯亮Q标C一个焊点的质量怀疑?/p> <p>    ?sh)压U分监控器由整流?sh)\、积分器、变换电(sh)路、计数器、比较器和报警电(sh)路等部分l成Q电(sh)压信L(fng)整流?sh)\成ؓ(f)单性电(sh)压信P它输l积分电(sh)路和时序?sh)\Q完成电(sh)压积分运,所得模拟的U分量,变换?sh)\~程数字量,q给计数器和昄器,U分值同时给比较器,与预|上限和下限q行比较Q超?gu)围则l报警器Q标C焊点质量不合要求?/p> <p>    ?sh)压监控仪结构简单,从两甉|上引两条导线则可以读ZP使用Ӟ应注意引出导U安装在甉|上的位置Q引出线的位|应量靠近焊接区,一般不过30mmQ但也有相距100mm之远Q具体可l合机器特点而定?/p> <p> </p> <p> </p> <p> </p> <p>                               --沈阳威克创新焊接讑֤有限公司</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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