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href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="qtz77vs" class="twoCol"><div id="mp7mu8c" 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>?徐州干混砂漿運輸車封頭生產(chǎn)制造廠家無錫國鑫封頭供應(yīng)</p><div id="8k0wsan" class="leftbox clearfix"><h1>徐州干混砂漿運輸車封頭生產(chǎn)制造廠家無錫國鑫封頭供應(yīng)</h1><div id="8usz883" class="proBig"><div id="q8dm8i4" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wrxcchf" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hfbrww8" 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>徐州干混砂漿運輸車封頭生產(chǎn)制造廠家,封頭</p><p><span>***更新：</span>2020-12-01 12:38:54</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="mtfv8o4" 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="jbxsc8c" class="page-proshow02"><p class="title">詳細說明</p><div id="7hklq3z" class="box"><p><p style="text-indent:25px">鈦板不銹鋼封頭熱處理中產(chǎn)生的熱應(yīng)力和組織應(yīng)力，兩者不管是相互抵消還是相互迭加，都會有一個占主導因素，熱應(yīng)力占主導地位時的作用結(jié)果是工件心部受拉，表面受壓。組織應(yīng)力占主導地位時的作用結(jié)果是工件心部受壓表面受拉。鈦板不銹鋼封頭一般的生產(chǎn)流程為，材料的進料、理化、材質(zhì)的下料，徐州干混砂漿運輸車封頭生產(chǎn)制造廠家、產(chǎn)品的熱鍛成型、產(chǎn)品熱處理；一般的檢驗步驟為產(chǎn)品檢驗、產(chǎn)品的精加工，徐州干混砂漿運輸車封頭生產(chǎn)制造廠家、封頭成品的檢驗、標識、再成品的檢驗、再標識；包裝步驟：包裝前進行打字，徐州干混砂漿運輸車封頭生產(chǎn)制造廠家、之后再進行發(fā)運。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。徐州干混砂漿運輸車封頭生產(chǎn)制造廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州干混砂漿運輸車封頭生產(chǎn)制造廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png"></div><p style="text-indent:25px">封頭是工業(yè)上會使用的一種產(chǎn)品，那使用球形封頭有哪些優(yōu)缺點呢？一、質(zhì)量比較好，這種產(chǎn)品的質(zhì)量比較好，抗壓效果好，自身的強度高，能承受的壓力比較大，質(zhì)量比較好，能節(jié)省比較多的成本，也能減少事故發(fā)生的幾率，因為有些產(chǎn)品在使用的時候承受不了這么大的壓力，可能會出現(xiàn)一些事故，造成人員傷亡，質(zhì)量好，能使用的更久，使用壽命增加，可以節(jié)省比較多的成本。二、球形封頭的用途比較廣，工業(yè)上的蒸汽鍋爐，輸送產(chǎn)品的罐裝車內(nèi)還有比較多地方都會使用到球形封頭，種類比較多，用途比較廣，可以滿足不同客戶的需求，優(yōu)點還是比較多的。三、但它也有一些缺點，設(shè)計復雜，設(shè)計這樣的產(chǎn)品比較復雜，并不是比較容易，中間需要花費的時間比較長，對原材料的要求也比較嚴格，要求原材料是可以承受大壓力的材料，原材料要求高，制作麻煩，花費的時間長成了主要的原因。四、球形封頭的價格比較高，球形封頭的價格比較高，這種工業(yè)品的價格比較高，比較多人看到價格都望而生畏，有點高比較多人負擔不起。江蘇原液儲罐封頭加工未經(jīng)加熱，封頭成形后表面維持原有材料的光潔表面，外觀漂亮。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州干混砂漿運輸車封頭生產(chǎn)制造廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178619026503/2262348.png"></div><p style="text-indent:25px">封頭是壓力容器上的端蓋，是壓力容器的一個主要承壓部件。所起的作用是密封作用。一是做成了罐形壓力容器的上下底，二是管道到頭了，不準備再向前延伸了，那就用一個封頭在把管子用焊接的形式密封住。和封頭的作用差不多的的產(chǎn)品有盲板和管帽，不過那兩種產(chǎn)品是可以拆卸的。而封頭焊好了之后是不可以再拆卸的。與之配套的管件有壓力容器、管道、法蘭盤、彎頭、三通、四通等產(chǎn)品。封頭的品質(zhì)直接關(guān)系到壓力容器的長期安全可靠運行。國鑫封頭廠是專業(yè)從事碳鋼、合金鋼、不銹鋼等各種高中低壓管道及配件生產(chǎn)銷售的大型企業(yè)，從原材料進廠復檢，生產(chǎn)過程中間控制直到成品出廠始終堅持全檢制和無損探傷。公司擁有一整套用于管件產(chǎn)品的化學分析、機械性能、金相分析、磁粉探傷、超聲波探傷、X光探傷及水壓爆破等實驗手段，可完全滿足用戶提出的各項檢測要求。</p><p style="text-indent:25px">在現(xiàn)行各種封頭中，標準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行無損探傷。由于壓制成型后的焊縫形狀復雜，如果透明方法選擇不當，容易造成漏檢。通常采用定向曝光機可獲得質(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。球形的封頭比橢圓形的封頭更節(jié)約材料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州干混砂漿運輸車封頭生產(chǎn)制造廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178090075643/961728.png"></div><p style="text-indent:25px">球形封頭制造方法如下：1、鍛壓法：用型鍛機將管子端部或一部分予以沖伸，使外徑減少，常用型鍛機有旋轉(zhuǎn)式、連桿式、滾輪式。2、滾軋法：一般不用芯軸，適合于厚壁管內(nèi)側(cè)圓緣。在管內(nèi)放置芯子，外周用滾輪推壓，用于圓緣加工。沖壓法：在沖床上用帶錐度的芯子將管端擴到要求的尺寸和形狀。3、彎曲成形法：有三種方法較為常用，一種方法叫伸展法，另一種方法叫沖壓法，第三種滾輪法，有3－4個輥，兩個固定輥，一個調(diào)整輥，調(diào)整固定輥距，成品管件就是彎曲的。4、鼓脹法：一種是在管內(nèi)放置橡膠，上方用沖子壓縮，使管子凸出成形；另一種方法是液壓鼓脹成形，在管子中部充入液體，液體壓力把管子鼓成所需要的形狀，波紋管的生產(chǎn)大部分用的是這種方法。封頭水壓試驗用水氯離子含量不得大于25mg/L，試驗后要及時吹干。上海干燥設(shè)備封頭企業(yè)</p><p style="text-indent:25px">封頭由于填料的塑性，會產(chǎn)生徑向力，而且會同閥桿之間緊密接觸。徐州干混砂漿運輸車封頭生產(chǎn)制造廠家</p><p style="text-indent:25px">封頭加工常用的設(shè)備及工具：（1）加熱設(shè)備。煤氣爐，大型工廠大多采用煤氣爐。現(xiàn)加熱采用室式或反射式加熱爐，應(yīng)盡可能采用燃油或燃氣加熱，因為其特點是燃燒干凈、效率高，溫度易控制、不易過燒、不易脫碳。加熱爐應(yīng)配置測溫裝置和溫度記錄儀。（2）封頭壓機有單動、雙動兩種；還分水壓機、油壓機兩種。單動即只有沖壓缸，無壓邊缸，只有中小工廠在用。大型工廠都用雙動，即有一個壓邊缸、一個沖水壓機的傳動介質(zhì)為水，便宜，動作迅速，不平穩(wěn)，對密封要求沒有油壓機高，效率低于油壓機，導向要求不嚴。油壓機的傳動介質(zhì)為油，換一次油要比水貴，傳動平穩(wěn)，對密封要求高，對導向要求高，對油的要求高，濾油不行或比較快換向、關(guān)閉油路都會使系統(tǒng)中某些動作產(chǎn)生沖擊，使壓機動作不平穩(wěn)，因此要勤濾油，按時換油，換油時徹底清洗油路、油箱。（3）使用工裝。各種封頭成形上、下模及支腳等（必須按相關(guān)技術(shù)條件驗收，不應(yīng)有氣孔、縮松、夾渣等，幾何尺寸精度、曲線經(jīng)檢驗合格方可使用）。（4）常用工具。緊固扳手、大錘、撬棍、鋼尺、卷尺、光電測溫儀、內(nèi)外卡尺、搬運工具等。徐州干混砂漿運輸車封頭生產(chǎn)制造廠家</p><p style="text-indent:25px">無錫國鑫封頭制造有限公司致力于機械及行業(yè)設(shè)備，是一家生產(chǎn)型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下封頭，不銹鋼封頭，碳鋼封頭，鋁封頭深受客戶的喜愛。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/2223003.html</p></div></div></div></div></div><div id="k8ni3fy" 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