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id="etkhghj" class="proBig"><div id="w8gsurt" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179056133211/8991729.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="h3hjq2j" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179056133211/8991729.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xry2nkh" 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>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>南京油罐封頭生產(chǎn)廠家直銷,封頭</p><p><span>***更新：</span>2020-12-22 02:19:39</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="mg2jk8g" 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="nsph7i7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="vurjbyf" class="box"><p><p style="text-indent:25px">封頭與壓力容器、管道、法蘭盤，南京油罐封頭生產(chǎn)廠家直銷、彎頭、三通、四通等一起使用，南京油罐封頭生產(chǎn)廠家直銷。至于該產(chǎn)品的質(zhì)量，可以根據(jù)使用要求進(jìn)行定制，從而卓著的延長壓力容器的使用壽命，長期使用也不用擔(dān)心。隨著技術(shù)發(fā)展，目前封頭產(chǎn)品的功能性也越來越多樣化。大家都知道，在現(xiàn)代城市的建設(shè)過程中高壓鍋、大型熱加設(shè)備、石油儲(chǔ)蓄罐等帶有管道的器材在實(shí)際應(yīng)用過程中，就會(huì)涉及到截?cái)嗝娣饪趩栴}。這時(shí)候就會(huì)使用到各種各樣的封頭產(chǎn)品，南京油罐封頭生產(chǎn)廠家直銷。除了技術(shù)水平不斷提升之外，其實(shí)產(chǎn)品的材質(zhì)選擇也有了很大的改變。目前在一些使用場所中，我們可以選用新型的耐高壓、耐高溫、且抗壓能力強(qiáng)的原料來制作所需要的封頭產(chǎn)品。同時(shí)隨著封頭功能越來越多樣化，使得它的發(fā)展也是越來越壯大，在各大機(jī)械行業(yè)中頻繁使用到的封口材料。封頭普遍應(yīng)用于制藥，化工，原子能，航天，機(jī)械它等方面。南京油罐封頭生產(chǎn)廠家直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京油罐封頭生產(chǎn)廠家直銷,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179056133211/8991729.png"></div><p style="text-indent:25px">封頭在加工時(shí)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(shí)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(diǎn)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(gè)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(tái)，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(diǎn)應(yīng)均勻分布且不小于12個(gè)，主要檢查過渡區(qū)部分及修磨處蘇州雙相鋼封頭制造廠封頭的使用方式很簡單，不需要進(jìn)行過多的培訓(xùn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京油罐封頭生產(chǎn)廠家直銷,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179500944961/6307218.png"></div><p style="text-indent:25px">對(duì)于有些封頭來說，常常會(huì)用到電阻焊接工藝來進(jìn)行加工處理，不過在使用這種技術(shù)時(shí)有些常識(shí)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(shí)，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(shí)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(shí)，封頭焊后一般都會(huì)產(chǎn)生變形，如果變形量超過允許值，就會(huì)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?yàn)楹附訒r(shí)，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(dāng)封頭和電極已定時(shí)，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)?？傊?，點(diǎn)焊不銹鋼時(shí)產(chǎn)熱易而散熱難，點(diǎn)焊鋁合金時(shí)產(chǎn)熱難而散熱易。</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(duì)不銹鋼管道進(jìn)行密封的零件。在它制造的過程中，有一個(gè)工藝程序是需要謹(jǐn)慎再謹(jǐn)慎的，那是熱處理工藝。在對(duì)鈦板不銹鋼封頭進(jìn)行熱處理的過程中是很容易出現(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(shí)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(shí)，因比容的增大會(huì)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?，F(xiàn)在封頭是比較多行業(yè)都會(huì)應(yīng)用到的一種配件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京油罐封頭生產(chǎn)廠家直銷,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178907884130/2465970.png"></div><p style="text-indent:25px">在使用狀態(tài)下的壓力容器產(chǎn)生的主要應(yīng)力有：容器內(nèi)的壓力產(chǎn)生的應(yīng)力；焊接殘余應(yīng)力；由于不銹鋼封頭成形加工產(chǎn)生的殘余應(yīng)力。三個(gè)應(yīng)力的疊加，使不銹鋼封頭與筒體連接的環(huán)焊縫部分存在的拉伸應(yīng)力大。所以不銹鋼封頭與筒體連接的環(huán)焊縫兩側(cè)易產(chǎn)生應(yīng)力腐蝕。而表面的劃痕，焊渣，飛濺，表面清洗不，采用含氯離子的保溫材料等因表面防護(hù)不當(dāng)會(huì)引起表面點(diǎn)腐蝕并誘發(fā)應(yīng)力腐蝕。封頭是壓力容器的重要受力部件，對(duì)于承接容器部件有比較重要的作用，封頭無論在選材還是制造技術(shù)是比較嚴(yán)格的，只有達(dá)到的要求才能運(yùn)用到工作的實(shí)踐中。1、封頭使用條件比較苛刻。封頭不但承受著大小不同的壓力載荷(在一般情況下還是脈動(dòng)載荷)和其他載荷，而且有的還是在高溫或深冷的條件下運(yùn)行，工作介質(zhì)又往往具有腐蝕性，工況環(huán)境比較惡劣。2、封頭容易超負(fù)荷。容器內(nèi)的壓力常常會(huì)因操作失誤或發(fā)生異常反應(yīng)而迅速升高，而且往往在尚未發(fā)現(xiàn)的情況下，容器即已破裂。破裂后容器的可能力就會(huì)降低，從而影響工作的進(jìn)程，耽誤工作的進(jìn)度。因此制造的封頭，提高封頭的承載力。不銹鋼封頭通常用于緊固比較多種類汽車的尾氣管。無錫粉罐運(yùn)輸車封頭生產(chǎn)制造廠家</p><p style="text-indent:25px">封頭是石油化工、原子能到食品制藥諸多行業(yè)壓力容器設(shè)備中不可缺少的重要部件。南京油罐封頭生產(chǎn)廠家直銷</p><p style="text-indent:25px">封頭應(yīng)對(duì)環(huán)向應(yīng)力在時(shí)，封頭過渡區(qū)將開始出現(xiàn)壓應(yīng)力，若長短軸比值繼續(xù)增大，封頭過渡區(qū)邊緣的壓應(yīng)力值將迅速增大，即封頭越淺，封頭邊緣的壓應(yīng)力值越高，所以將封頭長短軸比值限制在2.6以內(nèi)較為合理。封頭厚度除應(yīng)滿足強(qiáng)度要求外，對(duì)大直徑薄壁的橢圓封頭，還要提放由于封頭過渡區(qū)的壓應(yīng)力，產(chǎn)生內(nèi)壓下的彈性失穩(wěn)，為此封頭頭厚度還應(yīng)滿足剛度要求。封頭是指用以封閉容器端部使其內(nèi)外介質(zhì)隔離的元件，又稱端蓋。圓筒形容器的封頭一般都是迥轉(zhuǎn)殼體。南京油罐封頭生產(chǎn)廠家直銷</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)型公司。國鑫封頭致力于為客戶提供良好的封頭，不銹鋼封頭，碳鋼封頭，鋁封頭，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。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(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2505337.html</p></div></div></div></div></div><div id="jd2z3qk" class="page-right twoColRt"><div id="ti32hub" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3pcz3bi" 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