久色网,中文字幕综合在线分类,狠狠狠欧美一区二区欧美,久草综合视频
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src="/uploads/180411/1-1P4110SPX29-lp.jpg" style="margin-right: 10px; float: left; width: 180px; height: 180px;" /><a href="http://"><span style="font-size:36px;">中頻彎管特點</span></a></h3> <p align="left"> <span style="font-size:20px;">1.中頻彎管采用垂直外特性的電源，直流時采用正極性（焊絲接負極）</span></p> <p align="left"> <span style="font-size:20px;">2.<a href="http://">中頻彎管</a>一般適合于6mm以下薄板的焊接，具有焊縫成型美觀，焊接變形量小的特點</span></p> <p align="left"> <span style="font-size:20px;">3.保護氣體為氬氣，純度為99.99%。當焊接電流為50~50A時，氬氣流量為8~0L/min，當電流為50~250A時，氬氣流量為2~5L/min。</span></p> <p align="left"> <span style="font-size:20px;">4.焊接電弧長度，焊接普通鋼時，以2~4mm為佳，而焊接不銹鋼時，以~3mm為佳，過長則保護效果不好。</span></p> <p align="left"> <span style="font-size:20px;">5.中頻彎管為防止焊接氣孔之出現(xiàn)，焊接部位如有鐵銹、油污等務必清理干凈。</span></p> <p align="left"> <span style="font-size: 20px;">6.鎢極從氣體噴嘴突出的長度，以4~5mm為佳，，在角焊等遮蔽性差的地方是2~3mm，在開槽深的地方是5~6mm，噴嘴至工作的距離一般不超過5mm。</span></p> <p align="left"> <span style="font-size:20px;">7.<a href="http://">中頻彎管</a>對接打底時，為防止底層焊道的背面被氧化，背面也需要實施氣體保護。</span></p> <p align="left"> <span style="font-size:20px;">8.防風與換氣。有風的地方，務請采取擋網(wǎng)的措施，而在室內(nèi)則應采取適當?shù)膿Q氣措施。</span></p> <p align="left"> <span style="font-size:20px;">9.中頻彎管為使氬氣很好地保護焊接熔池，和便于施焊操作，鎢極中心線與焊接處工件一般應保持80~85°角,填充焊絲與工件表面夾角應盡可能地小，一般為0°左右。</span></p> <p> <span style="font-size:20px;">表面夾角應盡可能地小，一般為0°左右。</span></p> <div id="rxkuocjdbj" class="float_c news-page fs_14"> <div id="rxkuocjdbj" class="f_l"> 上一篇：<a href='/gsxw/1820.html'>什么是三通</a> </div> <div id="rxkuocjdbj" class="f_r"> 下一篇：<a href='/gsxw/1838.html'>彎頭倒角機的加工板材注意事項</a> </div> </div> </div> </div> </div> </div> <div id="rxkuocjdbj" class="footer"> <div id="rxkuocjdbj" class="w_1200 float_c pos_r"> <div id="rxkuocjdbj" class="f_l"> <ul class="list_none footer_ul"> <li> <span>關于我們</span> <a href="/guanyuoushang/">關于奧程</a> <a href="/oushangfengcai/">企業(yè)文化</a> <a href="/shengchanshili/">生產(chǎn)實力</a> <a href="/fuwuliucheng/">服務流程</a> <a href="/fuwulinian/">服務理念</a> </li> <li> <span>設備列表</span> <a href="/bzdtbj/">彎頭機系列</a> <a 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