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class="home-main container clearfix"><div id="mevrstp" class="twoCol"><div id="svctfws" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/second-wjgj_guanjianbi/">管件</a>?<a href="http://www.cdcfah.com/cp/third-guanjianbi_fengtou/">封頭</a>?常州制藥設(shè)備封頭制造廠無錫國鑫封頭供應(yīng)</p><div id="uxjp8ip" class="leftbox clearfix"><h1>常州制藥設(shè)備封頭制造廠無錫國鑫封頭供應(yīng)</h1><div id="xagx5wn" class="proBig"><div id="wj3ufgh" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179482507527/8505274.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="txy7ght" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179482507527/8505274.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yb8nzvm" 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>常州制藥設(shè)備封頭制造廠,封頭</p><p><span>***更新：</span>2020-12-23 04:21:37</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="xpghvri" 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: </span>0510-83897088</p><p><span>地址: </span>玉祁街道曙光村</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="hofrabx" class="page-proshow02"><p class="title">詳細說明</p><div id="qzvmyjv" class="box"><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、為了避免薄封頭拉伸時起皺和鼓包，可先將毛坯初次予壓成拱形。S/Di=0.6~2%時，壓凸R≈0.8~0.9Di.對于直徑大而壁薄的封頭，可分2~3次壓凸，由淺至深的壓至規(guī)定的R值。2、拼接的毛坯料的焊接接頭余高須全部打磨至與母材平齊后才可以進行壓制。當板料拼接時，其外面一條焊縫距板中心距離應(yīng)小于0.25Di且小板寬不得小于300mm.(Di--封頭內(nèi)直徑)3、拼接的毛坯板料壓凸后，需用放大鏡嚴格檢查是否有裂紋，當有懷疑時，可作表面探傷檢查。4，常州制藥設(shè)備封頭制造廠、拼接的毛坯板料壓凸時，焊接接頭處產(chǎn)生裂紋時，應(yīng)把裂紋清理掉，按工藝要求做焊補與探傷。封頭檢驗檢測標準：1、檢驗用量具：檢驗用鋼直尺，常州制藥設(shè)備封頭制造廠、銅卷尺應(yīng)分別符合JJG1和JJG4的規(guī)定，常州制藥設(shè)備封頭制造廠。直角尺和角規(guī)或其它量具應(yīng)符合有關(guān)標準或技術(shù)文件的規(guī)定。封頭在工作時可以保證調(diào)節(jié)閥的正確定位。常州制藥設(shè)備封頭制造廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州制藥設(shè)備封頭制造廠,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179482507527/8505274.png"></div><p style="text-indent:25px">橢圓封頭管帽中不*有粉料和物料的熱交換，還有水和物料的熱交換，但是不管哪種介質(zhì)對于設(shè)備的內(nèi)外側(cè)侵蝕、沖洗和結(jié)垢都有所不同，比如復(fù)雜的環(huán)境等。如果對板邊縱向的彎曲抗力越小的話，那么就會更加的任意發(fā)生起皺。比如帶有S、Cl-的介質(zhì)的話，那么碳鋼必定會出現(xiàn)比較嚴重的侵蝕，而不銹鋼也會產(chǎn)生點蝕或者是核應(yīng)力之間發(fā)生侵蝕而導(dǎo)致破裂，這種情況的發(fā)生就會造成換熱設(shè)備的運行周期縮短，像是有機的橢圓封頭正常情況下都是需要帶有一定厚度的，這就需要多道的涂裝和高溫的烘烤，所以整個施工的工藝還是比較復(fù)雜的，較主要的是其耐溫的性能不怎么好，特別是油品的橢圓封頭，在每次檢驗時都要使用高壓的蒸汽進行吹掃，所以比較容易造成涂層的破壞情況。浙江儲氣罐封頭廠商封頭的衛(wèi)生性能是否符合國家標準規(guī)定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州制藥設(shè)備封頭制造廠,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178521136554/4515182.png"></div><p style="text-indent:25px">工作人員穿戴好勞保用品，配置好封頭酸洗液，將配制好的酸洗液均勻的涂在產(chǎn)品表面；切記，酸洗過程中不得有明顯的腐蝕痕跡；第四，氧化皮徹底去除，焊縫熱影響區(qū)域及熱加工封頭表面不得有氧化色。同時還要注意，在加工封頭產(chǎn)品的時候，其焊縫中的飛濺物以及熔渣等雜質(zhì)必須要徹底去除干凈；同時在產(chǎn)品表面不得有顏色不均勻的痕跡，表面不得有碳鋼的微粒，碳鋼銹色。較后所得到的鈍化膜應(yīng)較為均勻統(tǒng)一。需要注意的是，在對封頭產(chǎn)品進行熱處理的過程中，其表面可能會產(chǎn)生一層黑色的氧化層。</p><p style="text-indent:25px">壓制封頭前需要做哪些準備工作？1、運行前檢查：開機前檢查油箱上的油位指示器，如缺油應(yīng)及時補充至正常油位。檢查周圍環(huán)境是否有影響正常工作的障礙物。開機后應(yīng)先使設(shè)備各部空運轉(zhuǎn)2～3次，確認各部正常后方可正式工作。2、作業(yè)操作：將封頭平穩(wěn)放置在工裝的園環(huán)上。將2個插銷拉出至適當位置，防止封頭受壓后上移。按下按鈕，使壓頭前進或后退即可完成封頭橢圓修正工序。該設(shè)備修正封頭直徑為2150-2420mm之間。操作臺上的紅色按鈕是緊急停止按鈕，工作過程中發(fā)生異常時，按下此按鈕。工作結(jié)束后，應(yīng)及時切斷電源。按規(guī)定保養(yǎng)設(shè)備。3、安全注意要求：油缸不允許超載和超行程使用。液壓系統(tǒng)較高壓力不得超過16Mpa。操作工不允許調(diào)整溢流閥。設(shè)備啟動后，操作工不得擅自離開操作臺，如需離開，應(yīng)關(guān)閉設(shè)備，并切斷電源。從事設(shè)備調(diào)試、維修和保養(yǎng)時，必須切斷電源，使設(shè)備完全處于斷電狀態(tài)，并在電控柜上‘有人作業(yè)，禁止合閘’的警示牌，并設(shè)專人監(jiān)護。完畢后，須經(jīng)確認一切正常，方可摘除警示牌，重新啟動設(shè)備。半球封頭是由一塊園形坯料，經(jīng)圧制而成其為半球形。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州制藥設(shè)備封頭制造廠,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177996960194/6133964.png"></div><p style="text-indent:25px">對于有些封頭來說，常常會用到電阻焊接工藝來進行加工處理，不過在使用這種技術(shù)時有些常識是需要大家了解的，下面將具體的為您講解。封頭電阻焊熔核形成時，始終被塑性環(huán)包圍，熔化金屬與空氣隔絕，冶金過程簡單。加熱時間短，熱量集中，故熱影響區(qū)小，變形與應(yīng)力也小，通常在焊后不必安排校正和熱處理工序。而焊接時，封頭焊后一般都會產(chǎn)生變形，如果變形量超過允許值，就會影響使用，產(chǎn)生的主要原因是焊件不均勻地局部加熱和冷卻，因為焊接時，焊件*在局部區(qū)域被加熱到高溫，離焊縫愈近，溫度愈高，膨脹也愈大。因此，當封頭和電極已定時，封頭的電阻取決于它的電阻率。而電阻率是被焊材料的重要性能，所以電阻率高的金屬其導(dǎo)熱性差(如不銹鋼)，電阻率低的金屬其導(dǎo)熱性好(如鋁合金)。總之，點焊不銹鋼時產(chǎn)熱易而散熱難，點焊鋁合金時產(chǎn)熱難而散熱易。被調(diào)介質(zhì)為粘性流體或含有固體懸浮物時，用封頭可以克服介質(zhì)對閥桿移動的阻力。常州制藥設(shè)備封頭制造廠</p><p style="text-indent:25px">封頭成形不能忽視壁厚變化。常州制藥設(shè)備封頭制造廠</p><p style="text-indent:25px">封頭用以制造機械零件、工件、工具或毛坯的成形加工方法。不銹鋼封頭鍛造的受力面積會有所減少，所需要的荷載也會降低；當加工硬化達一定程度時，如繼承形變，便有開裂或脆斷的危險，成形后其殘余應(yīng)力極易引起工件自爆破裂。擺輾、擺旋鍛和輾環(huán)也可用精鍛加工。不銹鋼封頭的承受壓力，恢復(fù)力是封頭一個重要的參數(shù)，承受壓力低可能會導(dǎo)致使用中封頭有開裂的情況發(fā)生。如果我們提高橢圓不銹鋼封頭的加工溫度，再改變其大小，同時在變形的時候?qū)⑾鄳?yīng)的壓制區(qū)域變大，還可以將它的量控制在一定程度。常州制藥設(shè)備封頭制造廠</p><p style="text-indent:25px">無錫國鑫封頭制造有限公司主要經(jīng)營范圍是機械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團隊和良好的市場口碑。公司業(yè)務(wù)分為封頭，不銹鋼封頭，碳鋼封頭，鋁封頭等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供良好的產(chǎn)品和服務(wù)。公司從事機械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。國鑫封頭憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2522534.html</p></div></div></div></div></div><div id="h8dfbco" class="page-right twoColRt"><div id="ustulhi" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="loplxtu" class="recomPic likePro"><a href="http://www.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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="tb83wnj" class="recomPic 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