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clearfix"><p class="current"> 當(dāng)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>?上海分散設(shè)備封頭生產(chǎn)廠家直銷無錫國鑫封頭供應(yīng)</p><div id="goz3syz" class="leftbox clearfix"><h1>上海分散設(shè)備封頭生產(chǎn)廠家直銷無錫國鑫封頭供應(yīng)</h1><div id="f7cyevl" class="proBig"><div id="pstz3ne" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178529388412/530779.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pnt3h7v" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178529388412/530779.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="be8pvwc" 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>上海分散設(shè)備封頭生產(chǎn)廠家直銷,封頭</p><p><span>***更新：</span>2021-01-07 09:22:26</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="8wgcyeu" 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="eti82nd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3kqrxyy" class="box"><p><p style="text-indent:25px">封頭冷加工的特點(diǎn)和封頭熱加工的特點(diǎn)比較：1，上海分散設(shè)備封頭生產(chǎn)廠家直銷、未經(jīng)加熱，不會(huì)發(fā)生材質(zhì)劣化，特別適合不銹鋼封頭加工。因加熱，會(huì)發(fā)生材質(zhì)劣化，導(dǎo)致不銹鋼封頭耐腐蝕性下降，不適合不銹鋼封頭加工，上海分散設(shè)備封頭生產(chǎn)廠家直銷。2、未經(jīng)加熱，不會(huì)產(chǎn)生冷卻收縮導(dǎo)致的尺寸變化，形狀規(guī)整，尺寸精確且一致性好。加熱成形，上海分散設(shè)備封頭生產(chǎn)廠家直銷，導(dǎo)致模具受熱膨脹和封頭冷卻收縮，尺寸難以控制且一致性差。3、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。因加熱，封頭成形后的表面氧化皮嚴(yán)重，且難以去除。封頭的結(jié)構(gòu)原理適合于制作大口徑閥門。上海分散設(shè)備封頭生產(chǎn)廠家直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海分散設(shè)備封頭生產(chǎn)廠家直銷,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178529388412/530779.png"></div><p style="text-indent:25px">封頭改變鋼錠的鑄態(tài)結(jié)構(gòu)，在熱鍛過程中經(jīng)過再結(jié)晶，粗大的鑄態(tài)組織變成細(xì)小晶粒的新組織，并減少鑄態(tài)結(jié)構(gòu)的缺陷，提高鋼的機(jī)械性能；另外，熱鍛能夠提高鋼的塑性，這對一些低溫時(shí)較脆難以鍛壓的高合金鋼尤為重要。不銹鋼封頭的組織應(yīng)力的大小與工件在馬氏體相變區(qū)的冷卻速度,形狀，材料的化學(xué)成分等因素有關(guān)。不銹鋼封頭組織應(yīng)力變化的較終結(jié)果是表層受拉應(yīng)力,心部受壓應(yīng)力,恰好與熱應(yīng)力相反。不銹鋼封頭在進(jìn)行操作時(shí)任何工件在熱處理過程中。上海吸收塔封頭加工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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海分散設(shè)備封頭生產(chǎn)廠家直銷,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177962917314/1660625.png"></div><p style="text-indent:25px">封頭是可以用于做成罐形壓力容器的上下底，或者是在管道到頭時(shí)，用一個(gè)封頭把管子用焊接的形式密封住。需要注意的是，在實(shí)際應(yīng)用中，在將不銹鋼封頭進(jìn)行焊接之后，是不允許再拆卸的。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。因而封頭的品質(zhì)直接關(guān)系到壓力容器的長期安全可靠運(yùn)行。在不同的應(yīng)用場合中，對于不銹鋼封頭的形狀和使用要求是不一樣的，所以我們在選購的過程中，需要認(rèn)真考慮，確保不銹鋼封頭的質(zhì)量。</p><p style="text-indent:25px">對于封頭現(xiàn)在人們也正在研究使用磷化潤滑的方法，不止是否有可能。封頭的溫鍛的優(yōu)勢在于可以提高鍛件的精度和質(zhì)量，同時(shí)又沒有冷鍛那樣大的成形力。溫鍛工藝的應(yīng)用與鍛件材料、鍛件大小、鍛件復(fù)雜程度有密切的關(guān)系。一般而言，對于形狀不太復(fù)雜的低碳、低合金鋼小型精密模鍛件，采用冷鍛工藝可以成形；對于形狀復(fù)雜的中小型中碳鋼精密模鍛件，冷鍛方法難以解決其成形問題，或單純采用冷鍛工藝成本偏高，則可采用溫鍛成形。封頭鋼的再結(jié)晶溫度大約在750℃左右。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海分散設(shè)備封頭生產(chǎn)廠家直銷,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179500944961/6307218.png"></div><p style="text-indent:25px">旋壓橢圓封頭的制造過程一般包括了下料、壓鼓和翻邊。翻邊是使用翻邊機(jī)器加工封頭的折邊部分，再由內(nèi)成型輪壓制封頭折邊部分的半徑，翻邊成型后是旋壓橢圓封頭了，它其實(shí)是一種特定幾何形狀的碟形封頭。另一方面，標(biāo)準(zhǔn)橢圓封頭與旋壓橢圓封頭在壓力分布上也不一樣。旋壓橢圓封頭的周向應(yīng)力在公切點(diǎn)處的應(yīng)力標(biāo)準(zhǔn)比標(biāo)準(zhǔn)橢圓封頭的周向應(yīng)力要大。不銹鋼封頭在生產(chǎn)的時(shí)候，是一定會(huì)進(jìn)行酸洗的，因?yàn)榉忸^生產(chǎn)中表面的不銹鋼一層保護(hù)膜會(huì)受到破壞，一般使用的壽命都不會(huì)特別的長。不銹鋼封頭是石油化工、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。上海分散設(shè)備封頭生產(chǎn)廠家直銷</p><p style="text-indent:25px">五金封頭零件的外表粗糙度也應(yīng)當(dāng)依據(jù)合作外表的實(shí)際需要，作出恰當(dāng)?shù)囊?guī)則。上海分散設(shè)備封頭生產(chǎn)廠家直銷</p><p style="text-indent:25px">拼接焊縫的質(zhì)量，必須要滿足一定的要求，才能夠確保后期安全使用。大家應(yīng)當(dāng)知道，在當(dāng)前的封頭市面中，由于鋼板原材料的尺寸一般是1500寬，因而當(dāng)其尺寸較大的情況就選需要進(jìn)行拼接處理。那么橢圓封頭在進(jìn)行拼接的時(shí)候，你知道應(yīng)當(dāng)滿足哪些要求嗎？針對于這一問題，首先橢圓封頭拼接的距離需要滿足一定的要求。這是因?yàn)楹附訜嵊绊憛^(qū)是個(gè)高應(yīng)力區(qū)，并且在該區(qū)的化學(xué)成分會(huì)有燒損，拼接時(shí)焊縫方向要求只允許是徑向和環(huán)向。兩塊板材拼接時(shí)，兩端端口采用倒角傾斜，使兩塊板更加容易焊透。上海分散設(shè)備封頭生產(chǎn)廠家直銷</p><p style="text-indent:25px">無錫國鑫封頭制造有限公司位于玉祁街道曙光工業(yè)園。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)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(jī)械及行業(yè)設(shè)備良好品牌。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(yù)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/2743071.html</p></div></div></div></div></div><div id="zct7xvq" class="page-right twoColRt"><div id="salrc3r" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dwcijhs" 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(qiáng) 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(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="rukab8m" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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