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src="http://tyunfile.71360.com/UploadFile/ztzdhsb/637184159508007812/19890.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2zv22de" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/ztzdhsb/637184159508007812/19890.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2egifr3" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>重慶PTA鉆桿堆焊房車</p><p><span>***更新：</span>2020-06-18 02:24:04</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="pjwt222" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">箴拓自動(dòng)化設(shè)備（上海）有限公司</a></p><p><span>聯(lián)系人：</span>黃明</p><p><span>郵箱: </span>ztweld@163.com</p><p><span>電話: </span>18939866305</p><p><span>傳真: </span>021_39907129</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-39907159</p><p><span>地址: </span>寶安公路2940號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="3krtk7y" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3jqsoqf" class="box"><p><p style="text-indent:25px"> 閥門等離子堆焊機(jī)是解決閥門密封面耐磨、耐蝕、耐高溫問題的專業(yè)化設(shè)備。眾所周知，閥門內(nèi)漏的主要原因是密封面的損壞，造成密封面損壞的原因很多，主要有機(jī)械原因和化學(xué)原因，其中磨粒磨損，重慶PTA鉆桿堆焊房車、沖擊磨損、壓力磨損為機(jī)械原因，腐蝕和氣蝕磨損為化學(xué)原因。閥門密封面都要受到上述一種或兩種以上的復(fù)合磨損。尤其是**閥門，如高溫高壓電站閥、核工業(yè)閥門、長輸管線閥門、井口閥、石油化工閥門等，其工況條件十分惡劣，有的工作壓力高達(dá)，有的工作溫度高達(dá)540℃以上，有的要求開啟10萬次密封面不損壞，有的閥門要求使用30年密封面不泄漏，這樣苛刻的要求，不是普通材料和一般工藝所能解決的，重慶PTA鉆桿堆焊房車。因此，一些工業(yè)發(fā)達(dá)國家在閥門密封面的堆焊材料、焊接工藝、焊接設(shè)備方面進(jìn)行了大量的試驗(yàn)研究，其中等離子堆焊技術(shù)**為成功，重慶PTA鉆桿堆焊房車。為此我們公司吸取國內(nèi)外同類產(chǎn)品的優(yōu)點(diǎn)，并結(jié)合本公司在多年在焊接領(lǐng)域?qū)嵤┊a(chǎn)品的經(jīng)驗(yàn)研發(fā)并設(shè)計(jì)了一款閥門-多功能等離子熔覆堆焊**設(shè)備（PTA），主要針對閥門制造業(yè)中的各種閥門自動(dòng)化堆焊，下面就介紹三偏心蝶閥堆焊的案例。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶PTA鉆桿堆焊房車" src="http://tyunfile.71360.com/UploadFile/ztzdhsb/637184159508007812/19890.jpg"></div><p style="text-indent:25px">2.4等離子弧堆焊粉末等離子弧和摔絲等離子弧堆焊鉆基合金都是利用等離子弧做為熱源,所不同的是填充材料分別為合金粉末和點(diǎn)焊成排狀(根據(jù)堆焊面窕度)的焊絲。由于等離子弧是通過3種壓縮效應(yīng)得到的電弧,因而電弧熱量很高,焰心處達(dá)18000-24000K,而且溫度下降緩慢(圖1、2),其電弧的熱量分布非常適于堆焊。同時(shí)等離子電弧具有可控性,可以通過調(diào)整轉(zhuǎn)移弧電流、電壓、離子氣流量和噴嘴的壓縮比等諸多參數(shù),較大范圍地調(diào)節(jié)熱效應(yīng)及電弧的剛度。因而具有熔深淺而均勻,母材對焊層的稀釋率低,堆焊金屬熔敷率高,焊道成型好等系列優(yōu)點(diǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶PTA鉆桿堆焊房車" src="http://tyunfile.71360.com/UploadFile/ztzdhsb/637184159507607422/9142187.jpg"></div><p> 耐磨層的堆焊 </p> <p> <br /> </p> <p> <br /> </p> <p> 為了解決截齒在采煤過程中的快速磨損失效問題，采用堆焊方式（或其他冶金方式）在截齒錐頂（硬質(zhì)合金刀頭）以下齒體部位，沿圓周方向堆焊一個(gè)寬度約20-30mm、厚度2-3mm的環(huán)形帶。此環(huán)形帶即稱之為耐磨堆焊層。常用的耐磨堆焊材料為馬氏體堆焊合金（Ｄ３１７，Ｄ３２７，ＤＧ７等）、高鉻Fe-Cr-C合金系（Ｄ６８８，Ｄ６３８等）、碳化鎢、碳化鈮等。從機(jī)理上講，截齒耐磨堆焊層的作用是： </p> <p> <br /> </p> <p> <br /> </p> <p> 提升截齒壽命需要掌握的技巧： </p> <p> 截齒是我們?nèi)粘５V業(yè)生產(chǎn)常見的產(chǎn)品，是用于采煤機(jī)順利運(yùn)作的關(guān)鍵，關(guān)于截齒使用壽命提升方法，希望客戶朋友能夠了解。 </p> <p> 1、在齒頭上采用等離子噴焊耐磨層； </p> <p> 2、齒頭部分釬焊硬質(zhì)合金耐磨環(huán)； </p> <p> 3、齒頭部分鑲嵌硬質(zhì)耐磨焊條； </p> <p> 4、增大合金頭，如果巖層硬度高的話，就把合金頭增大，以抵抗巖層硬度。 </p> <p> 了解掌握以上四點(diǎn)截齒壽命提升方法，希望客戶朋友掌握了解。 </p> <p> <br /> </p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/296414.html</p></div></div></div></div></div><div id="x3hjlnz" class="page-right twoColRt"><div id="fzgifmj" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xht3mjl" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="wld3urd" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" 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