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class="home-main container clearfix"><div id="rb3cnut" class="twoCol"><div id="l7eb4cu" 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</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>?無錫爐底封頭生產(chǎn)廠家直銷無錫國鑫封頭供應</p><div id="3lcjyzl" class="leftbox clearfix"><h1>無錫爐底封頭生產(chǎn)廠家直銷無錫國鑫封頭供應</h1><div id="i7nkpln" class="proBig"><div id="edk3zeu" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178052369837/6358953.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jtlnamj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178052369837/6358953.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="87n8x3v" 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)品關鍵詞：</span>無錫爐底封頭生產(chǎn)廠家直銷,封頭</p><p><span>***更新：</span>2021-01-18 03:16:12</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="8tkhs7n" 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="v7vucwy" class="page-proshow02"><p class="title">詳細說明</p><div id="2ikmt7j" class="box"><p><p style="text-indent:25px">封頭不可以因為出現(xiàn)溫差而導致封頭的體積出現(xiàn)膨脹或者是收縮，這都是因為溫差而產(chǎn)生的熱應力，較終會導致工件的表面受到壓力而拉傷。在進行環(huán)縫處理的時候，焊縫的兩側(cè)在加熱的寬度上都不能小于整個壁厚的兩倍。如果只局部加熱的話，較好是可以采用火焰的噴燒或者是其他的形式。正常情況下熱處理的溫度較好是可以控制在620℃±10，而爐內(nèi)的工件溫差也不能大于65℃。在整個保溫結(jié)束之后，無錫爐底封頭生產(chǎn)廠家直銷，無錫爐底封頭生產(chǎn)廠家直銷，無錫爐底封頭生產(chǎn)廠家直銷，可以隨著爐子慢慢的將溫度降低到00℃以下，之后才可以將工件出爐進行冷卻。們在對不銹鋼封頭進行酸洗了以后，一定要經(jīng)過鈍化，這樣做就是為了能夠讓保護膜的防腐蝕性能更好。無錫爐底封頭生產(chǎn)廠家直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫爐底封頭生產(chǎn)廠家直銷,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178052369837/6358953.png"></div><p style="text-indent:25px">球形封頭是壓力罐密封容器中的一種，由是以球殼的球冠部分所形成的封頭，能夠安裝在容器為其提供密封能力和承載壓力。產(chǎn)品的材料通常使用碳鋼、不銹鋼、合金鋼等材料制成，外表光滑形狀呈半圓狀。適用與是氣體、液體和蒸汽等容器中。球形封頭鍛造工藝成熟，表面光滑，耐酸堿耐高溫，外觀美觀，質(zhì)地符合使用要求，主要用在。石油、電子、化工、醫(yī)藥、輕紡、食品、機械、工程等行業(yè)，具有不錯的效果。球形封頭和筒體采用同樣薄厚還有益于降低鑄造缺陷、提升電焊焊接品質(zhì)，也相對減少器皿制造成本。但當壁厚較為大時，從節(jié)省鋼板材、控制成本的視角考慮，那樣的設計方案看起來不科學。蘇州釀酒設備封頭生產(chǎn)廠家在耐腐蝕性能上，不銹鋼封頭還是跟不銹鋼一樣具有優(yōu)異的性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫爐底封頭生產(chǎn)廠家直銷,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178619026503/2262348.png"></div><p style="text-indent:25px">現(xiàn)在，封頭廠的我就來跟大家講一講封頭加工需要注意的一些要點吧！首先，封頭一般是采用厚板沖壓成形，由于材料在成形過程中各部分的應力應變狀態(tài)不同，使得沖壓成形后的封頭各部分的壁厚也不相同，因此，封頭成形不能忽視壁厚變化。影響封頭壁厚變化的主要因素有成形材料的力學性能、變形程度以及沖壓模具結(jié)構(gòu)。材料強度越低，壁厚減薄量越大；變形程度越大以及模具間隙和凹模圓角越小，則壁厚減薄量越大；模具潤滑狀況不佳，減薄量增大。其次，封頭沖壓成形模具間隙不能過小。在封頭拉深成形過程中，其直邊急劇增厚，尤其是直邊長度在lOOmm以上時，增厚更為嚴重，其增厚率可達10%以上。因此封頭成形模具間隙不能過小，應大于料厚的10%，否則，材料無法通過模具間隙，工件底部嚴重變薄甚至拉破，但模具間隙過大、凹模圓角過大，將降低壓邊效果，又會在封頭上部產(chǎn)生褶皺。因此，封頭沖壓成形模具的間隙要合理選擇。末尾，瓜瓣類厚板成形不能忽視冷校形。瓜瓣類厚板零件，一般采用熱沖壓成形。由于熱壓收縮率難以控制，故在設計模具時一般不予考慮，而是在成形后進行冷校形，以保證其形狀和尺寸的精度要求，所以瓜瓣類厚板成形不能忽視冷校形。</p><p style="text-indent:25px">球形封頭壓力容器結(jié)構(gòu)不連續(xù)簡介：壓力容器的結(jié)構(gòu)不連續(xù)區(qū)往往是壓力容器的高應力區(qū)，一般說來，壓力容器的結(jié)構(gòu)不連續(xù)區(qū)可分為總體結(jié)構(gòu)不連續(xù)區(qū)和局部結(jié)構(gòu)不連續(xù)區(qū)兩種?？傮w結(jié)構(gòu)不連續(xù)是指對結(jié)構(gòu)相當大的部分產(chǎn)生影響的應力或應變源，例如封頭與殼體連接區(qū)、設備法蘭與殼體連接區(qū)、接管區(qū)、不同直徑或厚度或材料的連接區(qū)等；局部結(jié)構(gòu)不連續(xù)是指對結(jié)構(gòu)相對較小的范圍內(nèi)產(chǎn)生影響的應力或應變源，例如小的圓角半徑、小的連接件、部分焊透的焊縫或小孔等。比較多結(jié)構(gòu)，如壓力容器開孔接管區(qū)等既存在總體結(jié)構(gòu)不連續(xù)因素，又存在局部結(jié)構(gòu)不連續(xù)因素。由于結(jié)構(gòu)不連續(xù)區(qū)的幾何結(jié)構(gòu)一般較為復雜，比較難用解析法進行精確求解，通常采用有限元方法進行計算。鋁封頭由于原料比較特別，冬季環(huán)境枯燥假如長期保存需求做好保護措施。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫爐底封頭生產(chǎn)廠家直銷,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179688209406/4267871.png"></div><p style="text-indent:25px">封頭加工中的常見問題以及解決方法。(1)麻點：麻點現(xiàn)象可能是由于本身板材表面的就有麻點，也有可能是在沖壓，壓鼓，旋壓各個工序中，模頭處理不干凈引起的。解決辦法：比較輕的麻點現(xiàn)象，可以利用打磨處理，超過0.2mm就要進行補焊，補焊后，打磨趕緊。(2)劃傷：主要是在搬運過程中，操作不當引起的。例如：吊鉤劃痕，叉車劃痕。解決方法：首先在吊鉤和叉車與封頭接觸面墊保護膜，出現(xiàn)劃傷后，進行打磨，嚴重的進行補焊，劃傷面積超過25%要整體處理。(3)鼓包：由于壓邊模壓邊力過小，也有可能材質(zhì)厚薄不均勻引起的。解決方法：利用專業(yè)的鼓包修整機，修正不了就需要用旋壓修正，一點一點修正。(4)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，對變形封頭進行加熱，然后用水迅速冷卻，或者是可以用旋壓修正。(5)橘皮現(xiàn)象：大多數(shù)的橘皮現(xiàn)象出于板材本身有分層現(xiàn)象，然而肉眼是觀察不出來的，只能是在沖壓，壓鼓工序中，橘皮現(xiàn)象才能被發(fā)現(xiàn)。解決方法：比較淺的橘皮現(xiàn)象，可以經(jīng)過細微的打磨處理干凈，比較深的，則需要進行補焊，補焊后再打磨。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。江蘇化工液體運輸車封頭廠商</p><p style="text-indent:25px">盡管封頭拼接是經(jīng)過100％測試的，但合格級別卻有所不同，并且隨設備外殼而變化。無錫爐底封頭生產(chǎn)廠家直銷</p><p style="text-indent:25px">在現(xiàn)代城市的建設過程中高壓鍋、大型熱加設備、石油儲蓄罐等帶有管道的器材在實際應用過程中，就會涉及到截斷面封口問題，這樣封頭就誕生了。它就是在封口器材的基礎上經(jīng)過無數(shù)人的努力，經(jīng)過專業(yè)的改造而出現(xiàn)的。現(xiàn)在出現(xiàn)的產(chǎn)品的原材料的選擇上有了比較大的改變，不同于以往選用鋼鐵材料，而是選用新型的耐高壓高熱，抗壓能力強的原料。它具有以往的材料都不具有的優(yōu)點，能適用在各個地方，并且使用年限長，質(zhì)量過硬，不存在維修問題。封頭功能越來越多樣化，使得它的發(fā)展也是越來越壯大，在各大機械行業(yè)中頻繁使用到的封口材料。它的功能得到了比較大的提升，在抗壓能力上它的性能優(yōu)良比較大程度的改變，密封性也比原來更加優(yōu)良。無錫爐底封頭生產(chǎn)廠家直銷</p><p style="text-indent:25px">無錫國鑫封頭制造有限公司是一家主營封頭、橢圓封頭、碟形封頭、球冠封頭、半球封頭、錐形封頭、爐臺殼體、平底封頭、攪拌車封頭、**車封頭、SF/SS 雙層油罐封頭、方圓封頭、鴨蛋封頭及雙相鋼、鋁鎂合金、鈦合金等特種材料封頭。主要運用于壓力容器設備、制藥設備、環(huán)保設備、罐體運輸車輛等行業(yè)的公司，致力于發(fā)展為創(chuàng)新務實、誠實可信的企業(yè)。公司自創(chuàng)立以來，投身于封頭，不銹鋼封頭，碳鋼封頭，鋁封頭，是機械及行業(yè)設備的主力軍。國鑫封頭始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。國鑫封頭始終關注機械及行業(yè)設備行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2894371.html</p></div></div></div></div></div><div id="3bik83y" class="page-right twoColRt"><div id="ke3jbvs" class="box01 margin10 clearfix"><h3><a 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