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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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href="http://www.cdcfah.com/cp/third-guanjianbi_fengtou/">封頭</a>?上海反應(yīng)釜封頭制造廠無錫國鑫封頭供應(yīng)</p><div id="thd9ztf" class="leftbox clearfix"><h1>上海反應(yīng)釜封頭制造廠無錫國鑫封頭供應(yīng)</h1><div id="xxtxrdr" class="proBig"><div id="nbxbvh7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177986022692/3812274.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="9lhd77f" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177986022692/3812274.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ddx77vd" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海反應(yīng)釜封頭制造廠,封頭</p><p><span>***更新：</span>2021-02-06 01:17:59</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7hbfhl9" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫國鑫封頭制造有限公司</a></p><p><span>聯(lián)系人：</span>魏峰潔</p><p><span>郵箱: </span>239703@qq.com</p><p><span>電話: </span>13861726550</p><p><span>傳真: </span>0510_83898088</p><p><span>網(wǎng)址: </span>http://www.wxgxft.com</p><p><span>手機(jī): </span>0510-83897088</p><p><span>地址: </span>玉祁街道曙光村</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="9jnj9vz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ffbfhln" class="box"><p><p style="text-indent:25px">現(xiàn)在封頭是比較多行業(yè)都會應(yīng)用到的一種配件，作為一種比較好的產(chǎn)品，可以惠及比較多人，由于主要用在氣缸等領(lǐng)域，所以為了施工人員的人生健康，上海反應(yīng)釜封頭制造廠，我們在購買不銹鋼封頭的時候不能馬虎，下面封頭廠來給大家不銹鋼封頭主要是干什么用的。不銹鋼封頭主要是在氣缸蓋和氣缸體之間起到契合作用的零件，它在生產(chǎn)過程中受冷卻速度、材料成分和熱處理工藝的影響。冷卻速度越快，含碳量和合金成分越高，不均勻塑性變形和殘余應(yīng)力越大。這與其主要材質(zhì)和工藝有比較大的關(guān)系。然而，上海反應(yīng)釜封頭制造廠，不銹鋼封頭在結(jié)構(gòu)轉(zhuǎn)變前就已經(jīng)產(chǎn)生了熱應(yīng)力，而結(jié)構(gòu)應(yīng)力是在結(jié)構(gòu)轉(zhuǎn)變過程中產(chǎn)生的，上海反應(yīng)釜封頭制造廠。在整個冷卻過程中，熱應(yīng)力和組織應(yīng)力的共同作用就是工件的實際應(yīng)力。所以當(dāng)結(jié)構(gòu)應(yīng)力為主時，工件中間受壓，表面受拉。球形封頭能夠安裝在容器為其提供密封能力和承載壓力。上海反應(yīng)釜封頭制造廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海反應(yīng)釜封頭制造廠,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177986022692/3812274.png"></div><p style="text-indent:25px">不銹鋼封頭在質(zhì)量外觀上有哪些特殊要求呢？我現(xiàn)在就為大家簡要介紹一下。首先不銹鋼封頭在產(chǎn)品質(zhì)量上的控制其實和一般的封頭沒有什么太大區(qū)別。不銹鋼封頭一般的生產(chǎn)流程為：不銹鋼封頭材料的進(jìn)料、理化、材質(zhì)的下料、產(chǎn)品的熱鍛成型、產(chǎn)品熱處理；封頭一般的檢驗步驟為：產(chǎn)品檢驗、產(chǎn)品的精加工、封頭成品的檢驗、標(biāo)識、再成品的檢驗、再標(biāo)識；包裝步驟：包裝前進(jìn)行打字、之后再進(jìn)行發(fā)運(yùn)。不銹鋼封頭通常用于緊固比較多種類汽車的尾氣管,這種產(chǎn)品也與某些產(chǎn)品例如一種錐度螺母，它可以用于緊固汽車尾氣管裝置。這種設(shè)備和裝置至少包括不銹鋼封頭內(nèi)與汽車尾氣管相連的隔熱圈,隔熱圈安裝在橢圓型不銹鋼管內(nèi)與汽車尾氣管外的中間,不銹鋼管一頭做成錐度外螺紋且開均分三瓣內(nèi)也錐度,旋錐度螺母越緊對隔熱圈密封也越緊機(jī)械連接。不銹鋼封頭用于下列產(chǎn)品，也就是雙出氣口管道內(nèi)與各類型尾氣管進(jìn)氣口處有緊固錐度螺母緊固裝置機(jī)械連接。解決了尾氣管裝置容易生銹、影響汽車美觀的問題。結(jié)構(gòu)簡單、裝拆方便,使單管排氣轎車變成雙管后尾部看過去更氣魄,普遍應(yīng)用于各種轎車的尾氣管上。南京原水處理設(shè)備封頭報價橢圓封頭保養(yǎng)技巧：不在露天存放，防雨淋。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海反應(yīng)釜封頭制造廠,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178464017738/4893118.png"></div><p style="text-indent:25px">封頭是一種由旋轉(zhuǎn)橢圓球面和圓筒形直段兩部分組成的封頭，若是管道到頭不準(zhǔn)備現(xiàn)延伸了，可以用橢圓封頭焊到管子上，做為一個末端來使用?；蛘呤菍⑵溆迷趬毫θ萜魃?，上下各有一個封頭，中間是一個直管段，做為壓力容器的罐子用。橢圓封頭變形由于圓片的大塊與接頭本身的實際厚度不一致，沖壓沖邊力不均勻或熱處理時，冷熱不均與引起的。解決方發(fā)：可以利用熱脹冷縮原理，對變形封頭進(jìn)行加熱，然后用水迅速冷卻，或者是可以用旋壓修正。</p><p style="text-indent:25px">鈦板不銹鋼封頭屬于不銹鋼封頭的一種，主要是用來對不銹鋼管道進(jìn)行密封的零件。在它制造的過程中，有一個工藝程序是需要謹(jǐn)慎再謹(jǐn)慎的，那是熱處理工藝。在對鈦板不銹鋼封頭進(jìn)行熱處理的過程中是比較容易出現(xiàn)熱應(yīng)力的，原因是加熱和冷卻的過程中，表層和心部的冷卻速度和時間的不一致，有溫差存在。另外還比較容易出現(xiàn)組織應(yīng)力，主要是由于組織的變化即奧氏體向馬氏體轉(zhuǎn)變時，因比容的增大會伴隨工件體積的膨脹，工件各部位先后相變，造成體積長大不一致。半球形封頭常用在高壓容器上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海反應(yīng)釜封頭制造廠,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178506859299/3162147.png"></div><p style="text-indent:25px">在現(xiàn)行各種封頭中，標(biāo)準(zhǔn)橢圓封頭以其制造加工容易，應(yīng)力分布狀況理想以及節(jié)省材料等優(yōu)點而被普遍使用。封頭拼接焊縫屬A類，從橢圓封頭的制造來看，一般是先拼接后壓制成型。在壓制過程中，內(nèi)部缺陷可能會延伸，同時又可能產(chǎn)生新缺陷。因此，探傷實際的選擇顯得非常重要。有明確規(guī)定說：成型后的封頭應(yīng)在形狀檢查合格后再進(jìn)行無損探傷。由于壓制成型后的焊縫形狀復(fù)雜，如果透明方法選擇不當(dāng)，容易造成漏檢。通常采用定向曝光機(jī)可獲得質(zhì)量較高的檢測結(jié)果，但此法工作效率低、勞動強(qiáng)度大。凡冷成形加工都會產(chǎn)生一定的殘余應(yīng)力和冷作強(qiáng)化，封頭也不例外。如遇上容器的安裝應(yīng)力、焊接殘余應(yīng)力、熱應(yīng)力時，將產(chǎn)生應(yīng)力疊加，如果使用在有應(yīng)力腐蝕的環(huán)境時，在短時間內(nèi)有可能會產(chǎn)生應(yīng)力腐蝕裂紋?，F(xiàn)在封頭是比較多行業(yè)都會應(yīng)用到的一種配件。無錫鋼包封頭廠</p><p style="text-indent:25px">封頭可以克服閥桿的摩擦力，去除不平衡的影響。上海反應(yīng)釜封頭制造廠</p><p style="text-indent:25px">封頭在加工時有許多工序可直接影響到封頭的的質(zhì)量好壞，那么在封頭加工的時候到底有哪些要求我們?nèi)プ⒁獾哪?1、外圓周長：在封頭端部直邊部分測量2、內(nèi)直徑差：在封頭端部直邊部分測量4點以上任意位置的內(nèi)直徑，取其中直徑的差值。3、封頭總深度：在封頭端面任意兩個直徑位置上放直尺或拉緊鋼絲，在封頭中心垂直測量封頭總深度。4、直邊高度：在封頭直邊部位用鋼角尺和鋼直尺測量，5、直邊傾斜度：在封頭端面直徑部位上拉一鋼絲或放置直尺，用直角尺一邊與拉緊的鋼絲或直尺重臺，另一邊與封頭接觸，在直邊部位測量直角尺與封頭的距離。7、厚度：采用超聲波測厚儀測定，測點應(yīng)均勻分布且不小于12個，主要檢查過渡區(qū)部分及修磨處上海反應(yīng)釜封頭制造廠</p><p style="text-indent:25px">無錫國鑫封頭制造有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型的公司。公司業(yè)務(wù)涵蓋封頭，不銹鋼封頭，碳鋼封頭，鋁封頭等，價格合理，品質(zhì)有保證。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。國鑫封頭秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3182239.html</p></div></div></div></div></div><div id="99hlvzl" class="page-right twoColRt"><div id="xf9lxjv" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fbvpbnp" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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