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class="proBig"><div id="fseab8j" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178567669397/247659.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tipbsta" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178567669397/247659.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rlcovco" 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>南通瓜片封頭生產(chǎn)廠家電話,封頭</p><p><span>***更新：</span>2020-12-12 08:26:04</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="3mz7gxz" 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="tso37sh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="o33jard" class="box"><p><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(shí)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(yàn)步驟為：產(chǎn)品檢驗(yàn)、產(chǎn)品的精加工、封頭成品的檢驗(yàn)，南通瓜片封頭生產(chǎn)廠家電話、標(biāo)識(shí)、再成品的檢驗(yàn)、再標(biāo)識(shí)；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(duì)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，南通瓜片封頭生產(chǎn)廠家電話、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。球形的封頭因具有受力均勻，南通瓜片封頭生產(chǎn)廠家電話、應(yīng)力較小的等優(yōu)點(diǎn)被普遍用于壓力較高、直徑較大的高壓容器和特殊需要的場合。南通瓜片封頭生產(chǎn)廠家電話</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通瓜片封頭生產(chǎn)廠家電話,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178567669397/247659.png"></div><p style="text-indent:25px">對(duì)不銹鋼封頭進(jìn)行酸洗，這樣處理了以后才能夠延長其使用的壽命，而且在使用的時(shí)候會(huì)有比較好機(jī)械方面的性能。我們將不銹鋼封頭進(jìn)行酸洗了以后，其表面有一層保護(hù)膜形成，它的致密性是非常好的，能夠起到保護(hù)的作用。而且一定要經(jīng)過鈍化，這樣做是為了能夠讓保護(hù)膜的防腐蝕性能更好。所以大家在進(jìn)行購買不銹鋼封頭的時(shí)候，要注意檢查一下不銹鋼封頭有沒有經(jīng)過酸洗以及鈍化，只有這樣我們購買到的不銹鋼封頭才能夠更好的使用，使用的壽命才會(huì)更久。常州管帽封頭生產(chǎn)廠家直銷封頭的品質(zhì)，直接關(guān)系到壓力容器的長期安全可靠運(yùn)行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通瓜片封頭生產(chǎn)廠家電話,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177996960194/6133964.png"></div><p style="text-indent:25px">不銹鋼封頭的特點(diǎn)是不銹蝕、耐磨損、不結(jié)垢、減小振蕩和噪聲、防凍裂(超越-20℃的低溫下不銹鋼封頭發(fā)生凍裂，高溫的工作環(huán)境只需超越70℃發(fā)生分解，運(yùn)用溫度在-20℃到70℃)、防結(jié)露，熱丟失少、裝置簡單、運(yùn)用壽數(shù)長。由于在施工中選用融接技能，因此不銹鋼封頭也俗稱管帽，其無毒、質(zhì)輕、耐壓、耐腐蝕，正在成為一種耐腐蝕的管件。一般來說，這種原料不光適用于冷水封頭，也適用于熱水封頭，甚至純潔飲用水封頭。普遍運(yùn)用于施工中的不銹鋼封頭銜接方式是將鋼管或配管零件之接合端部份以砂紙磨掉外表層,如外表尚有油脂,應(yīng)用氯乙烯或**拭凈；將兩頭刺進(jìn)電焊套,兩頭必需插達(dá)電焊套之中心點(diǎn),刺進(jìn)時(shí)兩頭點(diǎn)不得有水.然后刺進(jìn)焊接控制器之二次線,開始焊接，進(jìn)程中不得移動(dòng)或碰觸及中途堵截電源或使二次線接合點(diǎn)松脫，焊接完結(jié)一小時(shí)后接合點(diǎn)徹底冷卻才能夠加壓於管內(nèi)及由外扳動(dòng)鋼管,以確保接合點(diǎn)不變形。</p><p style="text-indent:25px">球形封頭的性能與特點(diǎn)分析：1、從受力情況看：球形封頭的兩向應(yīng)力相等，而且在相同的P和D條件下，球形封頭上的應(yīng)力*為筒體上的周向應(yīng)力的一半；橢圓形封頭經(jīng)線曲率變化平滑連續(xù)，故應(yīng)力分布比較均勻，對(duì)于標(biāo)準(zhǔn)橢圓形封頭ab2，在相同的P和D條件下，封頭較大的薄膜應(yīng)力數(shù)值上與圓筒中的周向應(yīng)力相等。故橢圓形封頭的受力狀況*次于半球形封頭，而比其它封頭好；2、從制造難易程度看：橢圓形封頭的深度比半球形封頭淺的多，較易制造；3、從制造所使用的材料多少來看：從理論上講，在一些條件均相同之下，標(biāo)準(zhǔn)橢圓形封頭壁厚大約比半球形封頭厚一倍，而與圓筒的壁厚相近。故球形封頭比橢圓形封頭更節(jié)約材料。4、從結(jié)構(gòu)上看：球形封頭為半個(gè)球殼。5、球形封頭因具有受力均勻、應(yīng)力較小的等優(yōu)點(diǎn)被普遍用于壓力較高、直徑較大的高壓容器和特殊需要的場合；橢圓形封頭經(jīng)線曲率變化平滑連續(xù)，易于沖壓成型，是目前應(yīng)用較多的封頭。封頭產(chǎn)品的原材料，是確保產(chǎn)品質(zhì)量的一相底子。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通瓜片封頭生產(chǎn)廠家電話,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177910388310/6512245.png"></div><p style="text-indent:25px">球形封頭的特點(diǎn)：球形封頭的受力比橢圓形封頭和碟形封頭好；球形封頭的計(jì)算厚度是相同條件下筒體計(jì)算厚度的一半；（依據(jù)是薄壁殼體的無力矩理論，大家可以查詢相關(guān)手冊(cè)或者教科書，我就不給大家展示了），但是球形封頭的制造減薄量比橢圓形封頭和碟形封頭都要大一些，約15%。球形封頭的應(yīng)用場合：一般用在高壓設(shè)備中。另外，對(duì)于壓力稍微高一點(diǎn)且直徑比較大的塔器，如果用橢圓形封頭，可能計(jì)算出來的壁厚比較大。這種情況下，比較多人傾向采用球形封頭，目的是降低厚度，從而節(jié)省材料。但是球形封頭的容積比橢圓形封頭的大，塔釜的積液量也就相對(duì)較大，這容易造成工藝介質(zhì)大量積存和浪費(fèi)。所以對(duì)于這種情況，到底選擇球形封頭還是橢圓形封頭，還需要斟酌一下。封頭用于對(duì)調(diào)節(jié)質(zhì)量要求高的重要調(diào)節(jié)系統(tǒng)。安徽火鍋設(shè)備封頭報(bào)價(jià)</p><p style="text-indent:25px">封頭制作單位應(yīng)建立健全契合國家壓力容器安全監(jiān)察組織有關(guān)法規(guī)需求的質(zhì)量體系，以確保橢圓封頭質(zhì)量。南通瓜片封頭生產(chǎn)廠家電話</p><p style="text-indent:25px">球形封頭制造方法如下：1、鍛壓法：用型鍛機(jī)將管子端部或一部分予以沖伸，使外徑減少，常用型鍛機(jī)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(kuò)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(gè)輥，兩個(gè)固定輥，一個(gè)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。南通瓜片封頭生產(chǎn)廠家電話</p><p style="text-indent:25px">無錫國鑫封頭制造有限公司總部位于玉祁街道曙光工業(yè)園，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(tái)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(yùn)用于壓力容器設(shè)備、制藥設(shè)備、環(huán)保設(shè)備、罐體運(yùn)輸車輛等行業(yè)的公司。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(jī)械及行業(yè)設(shè)備的主力軍。國鑫封頭繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。國鑫封頭始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: 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