無(wú)錫粉罐運(yùn)輸車封頭生產(chǎn)制造廠家無(wú)錫國(guó)鑫封頭供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="封頭的力學(xué)性能一直是封頭行業(yè)的關(guān)鍵，封頭廠家一直在深入的研究，由于橢圓封頭的深度介于半球形和碟形封頭之間，對(duì)沖壓設(shè)備及模具的要求、制造難度亦介于兩者之間，即比半球封頭容易，比碟形封頭困難。近年來(lái)由于采用旋壓制造工藝，為制造大直徑橢圓形封頭帶"><meta name="keywords" content="無(wú)錫粉罐運(yùn)輸車封頭生產(chǎn)制造廠家,封頭"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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class="button">聯(lián)系我們</a></div></div><div id="dlbrxn5" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)錫國(guó)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="xbj75zx" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="l75lz5x" class="box"><p><p style="text-indent:25px">封頭的力學(xué)性能一直是封頭行業(yè)的關(guān)鍵，封頭廠家一直在深入的研究，由于橢圓封頭的深度介于半球形和碟形封頭之間，對(duì)沖壓設(shè)備及模具的要求、制造難度亦介于兩者之間，即比半球封頭容易，比碟形封頭困難。近年來(lái)由于采用旋壓制造工藝，為制造大直徑橢圓形封頭帶來(lái)了方便。橢圓封頭廠家封頭沖壓——采取冷壓或熱壓的方法，在水壓機(jī)或油壓機(jī)上，用上下模和壓邊圈直接壓制成封頭。由于橢圓封頭的深度介于半球形和碟形封頭之間，對(duì)沖壓設(shè)備及模具的要求，無(wú)錫粉罐運(yùn)輸車封頭生產(chǎn)制造廠家，無(wú)錫粉罐運(yùn)輸車封頭生產(chǎn)制造廠家、制造難度亦介于兩者之間，即比半球封頭容易，比碟形封頭困難。近年來(lái)由于采用旋壓制造工藝，為制造大直徑橢圓形封頭帶來(lái)了方便。對(duì)于薄壁封頭，無(wú)錫粉罐運(yùn)輸車封頭生產(chǎn)制造廠家，為了避免出現(xiàn)鼓包皺褶等現(xiàn)象，可采用兩次成形法。無(wú)錫粉罐運(yùn)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="無(wú)錫粉罐運(yùn)輸車封頭生產(chǎn)制造廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177986022692/3812274.png"></div><p style="text-indent:25px">在石油化工等相關(guān)領(lǐng)域中，為了保證生產(chǎn)作業(yè)的有效進(jìn)行，因而需要使用一些裝置和部件。比如在使用壓力容器設(shè)備的時(shí)候，封頭就成為了一種不可缺少的重要部件。封頭指的是壓力容器上的端蓋，是壓力容器的一個(gè)主要承壓部件，所起的作用是密封作用。在實(shí)際應(yīng)用中，針對(duì)于現(xiàn)場(chǎng)條件和要求可以將其設(shè)計(jì)為不同的結(jié)構(gòu)，一種是做成罐形壓力容器的上下底，另一種則是管道到頭了，不準(zhǔn)備再向前延伸了，那就用一個(gè)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。SS油罐封頭封頭長(zhǎng)期使用后變化小、磨損的燒損小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫粉罐運(yùn)輸車封頭生產(chǎn)制造廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178601038405/2065035.png"></div><p style="text-indent:25px">封頭加熱溫度一般不宜超過(guò)420度，當(dāng)式件溫度降至300度以下時(shí)，不適宜繼續(xù)熱成形。鈦封頭應(yīng)該盡量采用熱成形，如成型溫度約為300度－400度。高溫?zé)岢尚螘r(shí)工件加熱溫度可以提高到大約650度，但不應(yīng)該超過(guò)800度。冷成形后的熱校形溫度為100－350度。不銹鋼封頭的厚度愈大，隨著產(chǎn)品形狀變量的增多，強(qiáng)度和抗拉強(qiáng)度增卓著進(jìn)步，硬度值增加，耐塑性下降，產(chǎn)生了卓著的加工硬化現(xiàn)象。不銹鋼封頭對(duì)金屬坯料施加外力，使其產(chǎn)生塑性變形、改變尺寸、外形及改善機(jī)能。</p><p style="text-indent:25px">那么，封頭具體的酸洗步驟該如何進(jìn)行呢？在酸洗操作過(guò)程中，具體的檢驗(yàn)標(biāo)準(zhǔn)又是什么呢？接下來(lái)我們來(lái)了解一下具體的酸洗操作步驟：1、先根據(jù)待處理的封頭產(chǎn)品情況，確定具體的工藝流程；2、工作時(shí)，戴好勞保物品，將酸液均勻涂滿產(chǎn)品的外表面，進(jìn)行初步清洗；3、結(jié)束后，大量使用大量清水進(jìn)行沖洗。在表面形成一層鈍化膜；4、檢查污物是否處理干凈，凡是不符合要求的產(chǎn)品，要及時(shí)進(jìn)行返工。酸洗作業(yè)的具體參照標(biāo)準(zhǔn)：工作人員首先是參照工藝卡內(nèi)容，和實(shí)物對(duì)照確認(rèn)封頭產(chǎn)品的具體材質(zhì)，數(shù)量，爐批號(hào)，指令號(hào)，單件號(hào)，檢查有無(wú)鼓包，裂紋等缺陷；封頭制作單位應(yīng)建立健全契合國(guó)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="無(wú)錫粉罐運(yùn)輸車封頭生產(chǎn)制造廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178513314627/1105996.png"></div><p style="text-indent:25px">按封頭表面的形狀可分為凸形、錐形、平板形和組合形。凸形封頭是指外表面形狀為凸面的封頭，如半球形、橢圓形、碟形和無(wú)折邊球形封頭等。有的氣瓶采用凸面向內(nèi)的組合形底封頭，既可保證強(qiáng)度，又能滿足安全使用的需求。用途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。按封頭表面的形狀可分為凸形、錐形、平板形和組合形。凸形封頭是指外表面形狀為凸面的封頭，如半球形、橢圓形、碟形和無(wú)折邊球形封頭等。封頭水壓試驗(yàn)用水氯離子含量不得大于25mg/L，試驗(yàn)后要及時(shí)吹干。蘇州雙相鋼封頭制造廠</p><p style="text-indent:25px">小封頭，在制造時(shí)整體成型，而大、中型封頭需要先拼接后成型。無(wú)錫粉罐運(yùn)輸車封頭生產(chǎn)制造廠家</p><p style="text-indent:25px">不銹鋼封頭組織應(yīng)力變化的結(jié)果是表層受拉應(yīng)力,另一方面鋼在熱處理過(guò)程中由于組織的變化即奧氏體向馬氏體轉(zhuǎn)變時(shí),因此容積的增大會(huì)隨同工件體積的膨脹,工件各部位先后相變，而組織應(yīng)力則是組織轉(zhuǎn)變過(guò)程中產(chǎn)生的,造成體積長(zhǎng)短不一致而發(fā)生組織應(yīng)力。內(nèi)部受壓應(yīng)力,恰好與熱應(yīng)力相反。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。整個(gè)冷卻過(guò)程中,熱應(yīng)力與組織應(yīng)力綜合作用的結(jié)果,就是工件中實(shí)際存在應(yīng)力。這兩種應(yīng)力綜合作用的結(jié)果是十分復(fù)雜的,受著許多因素的影響,如成分、形狀、熱處置工藝等。就其發(fā)展過(guò)程來(lái)說(shuō)只有兩種類型,即熱應(yīng)力和組織應(yīng)力,作用方向相反時(shí)二者抵消,作用方向相同時(shí)二者相互迭加。由于內(nèi)部冷卻體積收縮不能自由進(jìn)行而使表層受壓內(nèi)部受拉。即在熱應(yīng)力的作用下使工件表層受壓而內(nèi)部受拉。這種現(xiàn)象受到冷卻速度,就會(huì)導(dǎo)致體積膨脹和收縮不均而產(chǎn)生應(yīng)力,不銹鋼封頭在加熱和冷卻過(guò)程中,不銹鋼封頭由于表層和內(nèi)部的冷卻速度和時(shí)間的不一致,形成溫差。無(wú)錫粉罐運(yùn)輸車封頭生產(chǎn)制造廠家</p><p style="text-indent:25px">無(wú)錫國(guó)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(guó)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(guó)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(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2505336.html</p></div></div></div></div></div><div id="ndt5v5j" class="page-right twoColRt"><div id="z5pv75r" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nl7jpv3" 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) 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