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tcPro"><section class="home-main container clearfix"><div id="5399tnz" class="twoCol"><div id="vt203xj" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_mifengjian/">密封件</a>?<a href="http://www.cdcfah.com/cp/third-mifengjian_jmf/">機(jī)械密封</a>?臨沂搪瓷釜用機(jī)械密封伊格爾博格曼機(jī)械密封供應(yīng)</p><div id="z74yu3m" class="leftbox clearfix"><h1>臨沂搪瓷釜用機(jī)械密封伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="hwo3wnp" class="proBig"><div id="3zlcz9p" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525145751953/9875963.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7tqxu4k" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525145751953/9875963.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xb842su" 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>臨沂搪瓷釜用機(jī)械密封,釜用機(jī)械密封</p><p><span>***更新：</span>2020-10-21 07:22:37</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="uivsz9j" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">伊格爾博格曼機(jī)械密封（張家港）有限公司</a></p><p><span>聯(lián)系人：</span>閆女士</p><p><span>郵箱: </span>eaglebugmann@qq.com</p><p><span>電話: </span>18013293108</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://eaglebugmann.com</p><p><span>手機(jī): </span>0512-58756006</p><p><span>地址: </span>德積福民村（天霸路）</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="r2oq2ho" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="xldvcbs" class="box"><p><p> 磨損較均勻；從受力角度考慮過窄不利，破壞和變形的可能性增加了＞俐，密封端面的直徑又是載荷系數(shù)的函數(shù)。因此，密封端面的寬度應(yīng)綜合考慮。一般地講，對(duì)普通介質(zhì)密封端面隨直徑的增大而加寬。對(duì)于輕烴類介質(zhì)，端面寬度比在普通介質(zhì)中寬一些：而高速機(jī)械密封，端面寬度相對(duì)地窄一些，否則發(fā)熱量太大，不能正常運(yùn)轉(zhuǎn)，一般在3mm左右。環(huán)直徑（mm、環(huán)寬（mm）－20～602～460～1004～6100～2005—7四、密封環(huán)的技術(shù)要求：1）密封端面的平面度不大于0．0009mm（即三個(gè)單色光干涉帶）；硬質(zhì)材料密封端面粗糙度Ra值不大于0．2μm（相當(dāng)于Δ10）；軟質(zhì)材料密封端面粗糙度Ra值不大于0．4μm(相當(dāng)于Δ9)，表面不應(yīng)有裂紋、劃傷、氣孔和疏松等影響使用性能的缺陷。2）密封環(huán)的密封端面與輔助密封圈接觸的端面平行度按GBll84－80的7級(jí)精度規(guī)定。3）密封環(huán)端面與安裝輔助密封圈的內(nèi)（或外）圓表面的垂直度應(yīng)按GBll84－80的7級(jí)精度的規(guī)定。4）密封環(huán)與輔助密封圈接觸部位的表面粗糙度凡值不大于3．2μm；外圓或內(nèi)孔尺寸公差為hg或Hg，臨沂搪瓷釜用機(jī)械密封。上述要求是對(duì)普通泵用機(jī)械密封的密封環(huán)而言，臨沂搪瓷釜用機(jī)械密封，對(duì)轉(zhuǎn)速較低的釜用機(jī)械密封可適當(dāng)放寬或參考相應(yīng)的標(biāo)準(zhǔn)，而對(duì)高速機(jī)械密封則要求更高。五，臨沂搪瓷釜用機(jī)械密封、平面度平面度。濰坊2009釜用機(jī)械密封件。臨沂搪瓷釜用機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="臨沂搪瓷釜用機(jī)械密封,釜用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525145751953/9875963.png"></div><p> 七、目前應(yīng)用的密封種類根據(jù)制造方法和材料的不同，目前應(yīng)用的密封環(huán)有整體式密封環(huán)（用同一種材料制造）、組合式密封環(huán)、表面堆焊硬質(zhì)合金和噴涂陶瓷等多種結(jié)構(gòu)。整體式密封環(huán)種類：這種密封環(huán)因用同一種材料制成，材料的性能在密封環(huán)的各個(gè)部位均勻一致，沒有組合式密封環(huán)泄漏和分離的缺陷，也沒有電化學(xué)腐蝕的可能。制造軟環(huán)大都用石墨，制造硬環(huán)時(shí)可用各種合金鋼，如軸承鋼（GCr9）、高速鋼（W18CrV）及其他合金鋼（如40Cr、3Cr13等），也有的用合金鑄鐵（如硅、鉻和鎳鑄鐵）。采用這些材料時(shí)，都要輔之以適當(dāng)?shù)臒崽幚砉に?，以提高其硬度和耐磨性。這類材料價(jià)格較低，如果使用恰當(dāng)，也有較長(zhǎng)的壽命。為了進(jìn)一步提高硬度和延長(zhǎng)使用壽命，可采用硬質(zhì)合金制造。常用的硬質(zhì)合金為鉆基碳化鎢，性能較好，但價(jià)格高。鋼結(jié)硬質(zhì)合金的價(jià)格較低。為了提高在腐蝕介質(zhì)中的耐蝕性，有鎳基碳化鎢，而哈氏合金有更高的耐蝕性，但價(jià)格昂貴。此外，還有用碳化硅及其他陶瓷材料制造的密封環(huán)。出現(xiàn)組合式由封環(huán)的原因碳化鎢等材料有優(yōu)良的性能，但是價(jià)格高，加工困難，限制了它的使用。為解決這個(gè)矛盾，出現(xiàn)了組合式密封環(huán)。密封端面采用硬質(zhì)合金，密封環(huán)的基體。臨沂搪瓷釜用機(jī)械密封秦皇島M461釜用機(jī)械密封廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="臨沂搪瓷釜用機(jī)械密封,釜用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525993574219/7876503.png"></div><p> 多采用以下幾種方式固定：1）螺帽固定（見圖3）。這種結(jié)構(gòu)要求軸上帶有凸臺(tái)，動(dòng)環(huán)斷面為“L”形，動(dòng)環(huán)裝入后用短套頂住，外面用圓螺帽旋緊。為防止介質(zhì)沿動(dòng)環(huán)泄漏，在動(dòng)環(huán)和軸套凸臺(tái)端面有密封圈。集裝式密封的動(dòng)環(huán)也可用螺帽固定，和前者不同的是動(dòng)環(huán)的螺帽從內(nèi)部旋緊，事先組裝好后再將整體機(jī)械密封向泵上安裝。2）螺釘傳動(dòng)（圖38）。動(dòng)環(huán)的后部端面鉆有螺釘孔并帶螺紋，軸套上帶有突緣，用螺釘將動(dòng)環(huán)和軸套的突緣聯(lián)接在一起，中間設(shè)墊片防止介質(zhì)沿動(dòng)環(huán)和軸套之間泄漏。3)頂絲傳動(dòng)（圖39）。這種結(jié)構(gòu)實(shí)際上增加了一個(gè)傳動(dòng)套，該套用頂絲固定在軸上，動(dòng)環(huán)用銷釘與其傳動(dòng)，在傳動(dòng)套和軸以及動(dòng)環(huán)和傳動(dòng)套之間均設(shè)有密封圈。這種動(dòng)環(huán)結(jié)構(gòu)較為復(fù)雜，但其浮動(dòng)性得到了改善。4）銷釘傳動(dòng)（圖40）。該種傳動(dòng)省略了圖39的傳動(dòng)套，動(dòng)環(huán)和軸用銷釘傳動(dòng)，其軸向靠臺(tái)階定位，顯然這種動(dòng)環(huán)和軸沒有剛性聯(lián)接，浮動(dòng)性很好。旋轉(zhuǎn)型機(jī)械密封的靜環(huán)防轉(zhuǎn)方法1）浮動(dòng)型靜環(huán)。在靜環(huán)尾端設(shè)一開口，防轉(zhuǎn)銷插入此開口，起到靜環(huán)防轉(zhuǎn)作用。該結(jié)構(gòu)簡(jiǎn)單，安裝方便，靜環(huán)的浮動(dòng)性好，得到***的應(yīng)用。按防轉(zhuǎn)銷安裝位置可分為徑向和軸向兩種（圖41），其中軸向防轉(zhuǎn)銷用的較多。這種結(jié)構(gòu)有個(gè)缺點(diǎn)。</p><p> 由介質(zhì)壓力變化引起端面比壓的增量大于或等于介質(zhì)壓力的增量。平衡型：載荷系數(shù)K<1的密封，也就是由介質(zhì)壓力變化引起的端面比壓的增量小于介質(zhì)壓力的增量，稱為平衡型密封。根據(jù)密封端面的數(shù)量和布置方式可分為單端面、雙端面及多端面機(jī)械密封。兩組密封端面“背靠背”（圖10a）或“面對(duì)面”（圖10b）布置的密封叫雙端面機(jī)械密封。對(duì)于工作介質(zhì)有毒、易爆、易燃、易揮發(fā)、易結(jié)晶、高溫、低溫或工作介質(zhì)是氣體，或?qū)τ诟哒婵斩鹊拿芊?，可用雙端面密封。此時(shí)雙端面之間的密封腔引入封液進(jìn)行堵封、潤(rùn)滑和冷卻。一般情況下封液選用潔凈和潤(rùn)滑性好的介質(zhì)。二、串聯(lián)機(jī)械密封應(yīng)用的工況兩組或兩組以上同向布置的單端面機(jī)械密封組成串聯(lián)機(jī)械密封（圖11）。這種密封方式使密封腔的壓力逐級(jí)降低，介質(zhì)不至外漏。串聯(lián)密封一般情況下很少采用，只有在壓力很高時(shí)采用。補(bǔ)償機(jī)構(gòu)為波紋管，密封環(huán)（動(dòng)環(huán)或靜環(huán)）和波紋管制成一個(gè)整體，中間沒有輔助密封圈（見圖8）稱為波紋音式機(jī)械密封。波紋音式機(jī)械密封減少了一個(gè)泄漏點(diǎn)；同時(shí)減少了補(bǔ)償機(jī)構(gòu)的摩擦阻力，改善了追隨性；對(duì)于焊接金屬波紋管密封（圖8b）使用溫度不受輔助密封圈的限制；對(duì)于四氟波紋管密封（圖8a）可用于腐蝕性介質(zhì)中。三門峽M481釜用機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="臨沂搪瓷釜用機(jī)械密封,釜用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525788876953/1391639.png"></div><p> 五、與釜用機(jī)械密封有關(guān)的幾個(gè)參數(shù)1.使用壽命釜用機(jī)械密封的使用壽命一般規(guī)定半年以上.其實(shí)使用壽命與攪拌軸的轉(zhuǎn)速、密封尺寸、摩擦副材料等因素有關(guān).圖10-6為EKATO公司對(duì)不同尺寸的密封在不同轉(zhuǎn)速下的使用壽命試驗(yàn)結(jié)果.2.適用范圍釜用密封的適用范圍與使用條件、何種輔助裝置有關(guān)，，每個(gè)密封公司都有其產(chǎn)品適用范圍的說明.圖10-7為EKATO公司RD023和RD200ST型密封在密封液貯罐和壓力平衡裝置兩種條件下的適用范圍圖.高溫機(jī)械密封機(jī)械密封的工作溫度超過80℃時(shí)就作為高溫機(jī)械密封(有的密封公司以工作溫度>90℃為界限)，在高溫下，密封主要間題有下列幾項(xiàng):密封端面液體汽化，摩擦副的熱應(yīng)力和熱變雍，組合件、鑲嵌件可能因配合不當(dāng)而松脫，輔助密封圈因高溫引起的老化、龜裂、粘結(jié)和彈性消失，彈簧疲勞和強(qiáng)度降低，材料的腐蝕和磨損加快.一、高溫機(jī)械密封的要求1.選用耐高溫的密封材料在高溫下，材料的耐溫性能顯得特別重要，合理選用密封材料可使一般結(jié)構(gòu)的機(jī)械密封仍能適用于高溫工作條件，簡(jiǎn)化手續(xù)，節(jié)省開支.表10-1列出不同密封材料的使用極限溫度.2.采用金屬波紋管型機(jī)械密封或金屬波紋管與普通機(jī)械密封相結(jié)合的密封結(jié)構(gòu)從耐熱性能來看。蘇州207釜用機(jī)械密封件。石家莊高溫釜用機(jī)械密封</p><p style="text-indent:25px">黃岡FMY212釜用機(jī)械密封件。臨沂搪瓷釜用機(jī)械密封</p><p> 硬環(huán)的材質(zhì)種類很多（見“27”）。只有在特殊情況下，如介質(zhì)中含有固體顆粒、有結(jié)晶析出或高粘度流體中才選用硬對(duì)硬的配對(duì)。當(dāng)選用一軟一硬的配對(duì)時(shí)硬環(huán)端面的寬度比軟環(huán)寬，在硬對(duì)硬的材質(zhì)中可不受此限制。為減少泄漏量和機(jī)械雜質(zhì)進(jìn)入密封端面的可能性，盡量采用內(nèi)裝內(nèi)流式密封結(jié)構(gòu)S選擇導(dǎo)熱性良好的材料做動(dòng)環(huán)，以散出較多的熱量，降低密封端面的溫度。為保證密封環(huán)的整體強(qiáng)度和剛度，環(huán)的壁厚不可太薄。對(duì)于導(dǎo)熱性良好的材料，增加環(huán)厚有利散熱；對(duì)于導(dǎo)熱性欠佳的材料厚度可小些。對(duì)于所受壓力較高的密封環(huán)，要從力學(xué)角度另行設(shè)計(jì)，必要時(shí)采取加固措施。環(huán)的形狀要軸對(duì)稱，以減少其不對(duì)稱的機(jī)械變形和熱變形。動(dòng)環(huán)做補(bǔ)償環(huán)時(shí)，例如國(guó)產(chǎn)104和B104型密封（圖13、圖14），動(dòng)環(huán)和軸（軸套）的（直徑）間隙為0．40～0．60mm，以防止動(dòng)環(huán)在工作中卡住而失去補(bǔ)償能力；靜環(huán)內(nèi)徑要比軸（軸套）大l～2mm，避免兩者摩擦。密封端面的寬度是個(gè)重要參數(shù)，要綜合考慮。三、密封端面的寬度要考慮的因素密封端面的寬度一般是首先決定軟面的寬度，硬面寬度自不待說。泄漏量與端面寬度關(guān)系不大。但是，從產(chǎn)生的摩擦熱量來說窄一些較好，產(chǎn)生的熱量較少，溫度梯度小，熱變形也小。臨沂搪瓷釜用機(jī)械密封</p><p style="text-indent:25px">伊格爾博格曼機(jī)械密封（張家港）有限公司主要經(jīng)營(yíng)范圍是機(jī)械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司業(yè)務(wù)涵蓋機(jī)械密封，泵用機(jī)械密封，釜用機(jī)械密封，攪拌器機(jī)械密封等，價(jià)格合理，品質(zhì)有保證。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。張家港博格曼秉承“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>文章來源地址: http://www.cdcfah.com/cp/1642807.html</p></div></div></div></div></div><div id="dme7wnu" class="page-right twoColRt"><div id="nx2zl42" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="r7of7b8" 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" 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