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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>ϲ뿪Ͻ:多点焊机的鉴定工?/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>2019-05-27 <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 <a href="//www.dycmm.icu/" title="ͳһͼϲ">ͳһͼϲ</a>的鉴定工作:</p> <p>    焊接参数定之后Q品焊接质量的可靠性,在很大程度上取决于机器工作的E_性,因此Q在机器安装调试合格后,必须对焊机工作的E_性进行鉴定,只有E_性鉴定合格的机器Q才能投入生产,鉴定的方式和要求Q随该机器将要焊接的材料cd、品种cd其可靠性要求的不同而不同?/p> <p>    焊接一般品的焊机、安装、调试合格后Q用试片焊接一定数量的焊点Q经目视Q或用不过10倍的攑֤镜)查表面无q深的压痕、裂UV烧伤、再撕破查焊点直径大及均匀性,合格后,焊接一件品,l检验合|卛_投入使用?/p> <p>    焊接航空或航天品的机器Q安装、调试合格后Q还必须安装有关标准的规定,焊接一定数量的试gQ经目视验、金相检验、X线透照查和拉试验Q来评定机器工作的稳定性,以确定机器能否用于生产或允许其焊接品的cd?/p> <p>    下面以(电阻焊、铝、镁、非淬性硬钢及合金、镍合金、耐热合金及钛合金的点焊和~焊QMIL-W-6858D的机器鉴定的规定ZQ介l以下机器的鉴定Ҏ和要求?/p> <p>1、材料:</p> <p>Ac:铝合金和镁合金?/p> <p>Bc:奥氏体、铁素体钢、沉淀化钢、镍和钴基合金?/p> <p>Cc:钛和钛合金?/p> <p>    对于acL料,鉴定实验用包铝的2024T3?075T6铝合金,对于BcdCcL料,鉴定实验?00pd的不锈钢Q如生中不用这些材料,则选用生中常用的材料?/p> <p>    鉴定实验中材料的厚度Qؓ机器铭牌所规定的最厚度和最大厚度,每种厚度焊接一l实片,对于点焊机,每组试片焊接105个焊点ƈ加工?05个实栗?/p> <p>验:</p> <p>1?00%目视验?/p> <p>2?00%X线透照验?/p> <p>3、Q?个焊点实栯行金相检验?/p> <p>4?00个焊点试样作为拉力实验?/p> <p>评定Q?/p> <p>1、目视检验,X线验和金相验的l果应符合相应的质量标准?/p> <p>2、每个焊点试L抗剪力和100个焊点试h剪力的^均|均不于标准的规定|q符合以下要求:</p> <p>    对于铝合金和镁合金,100个焊Ҏ拉实验结果中Q?0%的焊Ҏ剪力应在q_值的?2.5%范围内,q且全部的焊点的抗剪力均在^均值的?5%范围内?/p> <p>    对于钢及其它材料Q?00个焊点的抗拉实验l果中,86%的焊点的抗剪力在q_值的?0%范围内,且全部焊点的抗剪力在q_值的?0%范围内?/p> <p>    W合上述鉴定l果的机器,且实片实验结果都W合最高等U的质量标准Q则该机器便可焊接质量等U最高的焊gQ取得焊接高{焊接接头的机器,当然适用于焊接较低等U的焊接接头?/p> <p>    国内q行机器鉴定的经验证明,Z保证机器鉴定的可靠性和鉴定l果的适用性,鉴定实片的材料宜采用比较隄的合金,如鉴定焊接铝合金的机器,用LY12CZ或LC9CSQ鉴定焊接钢、钛材料的机器,鉴定实片宜用30CrMnSiA钢?/p> <p>    ~焊机的鉴定Q国外标准(如MIL-W-6858C{)规定Q在焊缝长度不小?00mm的焊~上Q切?个横向试样和4个纵向实P长度不小?5mmQ放?5-40倍进行金相检查,其焊核尺寸、焊透率和气孔、裂U等~陷应符合相应的质量标准?/p> <p>    对于鉴定合格的机器,应填写机器鉴定的合格证明Q有的标准、在机器鉴定Ӟ要求建立焊接甉|波Ş囄?案,便于每月Ҏ器检查时q行对照?/p> <p> </p> <p> </p> <p> </p> <p>                          --沈阳威克创新焊接讑֤有限公司</p> <p> </p> <p> </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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