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src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525362480469/9289807.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="srovctk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525362480469/9289807.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="z98jqs7" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>綏化單面釜用機械密封,釜用機械密封</p><p><span>***更新：</span>2020-12-24 04:14:29</p><p><span id="click" >瀏覽次數：2次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="cwipgnp" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">伊格爾博格曼機械密封（張家港）有限公司</a></p><p><span>聯系人：</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>網址: </span>http://eaglebugmann.com</p><p><span>手機: </span>0512-58756006</p><p><span>地址: </span>德積福民村（天霸路）</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="8khoqho" class="page-proshow02"><p class="title">詳細說明</p><div id="fp38evm" class="box"><p><p> 在國產離心泵上得到了***的應用。本教材以這兩種國產機械密封為主，結合其它結構型式（包括進口的密封），就有關的技術問題和故障分析。第二節(jié)機械密封的基本元件密封環(huán)是動環(huán)和靜環(huán)的總稱（下同），是構成機械密封主要的元件。一、密封環(huán)在很大程度上決定了機械密封的使用性能和壽命，對它提出了一些要求。1）有足夠的強度和剛度。在工作條件下（如壓力、溫度和滑動速度等）不損壞，變形應盡量的小，工作條件波動時仍能保持密封性。2）密封端面應有足夠的硬度和耐腐蝕性，以保證工作條件下有滿意的使用壽命。3）密封環(huán)應有良好的耐熱沖擊能力，綏化單面釜用機械密封。為此，要求材料有較高的導熱系數和較小的線膨脹系數，承受熱沖擊時不至于開裂。4）密封環(huán)匹配應有較小的摩擦系數和良好的自潤滑性，密封環(huán)材料與密封流體還要有很好的浸潤性。工作中如發(fā)生短時間的干摩擦，不損傷密封端面。5）密封環(huán)應力求簡單、對稱并優(yōu)先考慮用整體型結構。也可采用組合式（如鑲裝式）密封環(huán)，盡量避免用密封端面噴涂式結構。6）密封環(huán)要容易加工制造，安裝和維修要方便，價格要低廉，綏化單面釜用機械密封。二，綏化單面釜用機械密封、摩擦副匹配要考慮的因素摩擦副一般都選擇一軟一硬的配對。目前軟環(huán)多選用破一石墨（以下簡稱石墨）。蘇州207釜用機械密封件。綏化單面釜用機械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="綏化單面釜用機械密封,釜用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525362480469/9289807.png"></div><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的函數。因此，密封端面的寬度應綜合考慮。一般地講，對普通介質密封端面隨直徑的增大而加寬。對于輕烴類介質，端面寬度比在普通介質中寬一些：而高速機械密封，端面寬度相對地窄一些，否則發(fā)熱量太大，不能正常運轉，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)的技術要求：1）密封端面的平面度不大于0．0009mm（即三個單色光干涉帶）；硬質材料密封端面粗糙度Ra值不大于0．2μm（相當于Δ10）；軟質材料密封端面粗糙度Ra值不大于0．4μm(相當于Δ9)，表面不應有裂紋、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級精度規(guī)定。3）密封環(huán)端面與安裝輔助密封圈的內（或外）圓表面的垂直度應按GBll84－80的7級精度的規(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；外圓或內孔尺寸公差為hg或Hg。上述要求是對普通泵用機械密封的密封環(huán)而言，對轉速較低的釜用機械密封可適當放寬或參考相應的標準，而對高速機械密封則要求更高。五、平面度平面度。綏化單面釜用機械密封太原MR-D釜用機械密封廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="綏化單面釜用機械密封,釜用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525920771484/3921817.png"></div><p> 或殼體）的配合公差；?防轉銷與孔的配合公差。釜用機械密封零件公差與配合基本與上述相同。根據反應釜攪拌軸的偏擺和振動較大的特點，動環(huán)內徑尺寸一般比軸徑大1mm，其尺寸為d+1，同樣，靜環(huán)內徑尺寸相應應比軸徑加大2~4mm，其尺寸為d+（2~4）。機械密封常用尺寸公差數值。二、機械密封主要零件的技術要求1動、靜環(huán)的形位公差與表面光潔度圖9-2為幾種典型的機械密封動、靜環(huán)零件圖，圖中表示了關鍵部位的形位公差與表面光潔度。密封端面是機械密封的關鍵部位，其平面度要求≤，其表面粗糙度對于硬質材料一般要求為Ra≤，軟質材料為Ra≤。其中平面度及垂直度公差見表9-3。2彈簧的技術要求機械密封一般情況下采用圓柱螺旋壓縮彈簧，根據機械密封使用特點，壓縮彈簧的主要技術要求為：彈簧產品圖樣應包括線徑、中徑（外徑）、自由高度、工作高度、工作負荷、彈簧剛度、有效圈數、總圈數、材料等主要技術參數。彈簧在工作高度（推薦選用自由高度的67%±5%為工作高度）的負荷數值一般應在試驗負荷的62%~72%之間。注：測定彈簧特性時，以彈簧壓并高度時負荷數值作為試驗負荷數值。彈簧在工作高度時的工作負荷F的極限偏差按表9-4的規(guī)定。彈簧外徑D2。</p><p> 不僅在開啟力和閉合力之間有嚴格比率，而且要求整個密封結構經得住高壓而不變形，此外，還要維持穩(wěn)定的液膜以保證密封性能.一、高壓機械密封的要求1.增大密封零件截面對轉動零件的截面要加大，靜環(huán)也相應有較大的截面，不要在靜環(huán)外徑上有臺階或開槽.但要注意，隨著密封面寬度b的增加，熱變形和磨損也隨之增加，同樣要增加壓蓋的厚度以防變形和能承受壓力.使用重載荷彈簧，使用較大直徑的銷子以適應較大的啟動扭矩.2.提高密封零件的加工精度(1)壓蓋底部裝靜環(huán)的幢孔面要保證高的平直度，因為在高壓下，任何表面上的高出點會傳給靜環(huán)而引起泄漏;(2)提高密封面內外徑和寬度的加工精度，因為在高壓時，，密封內外徑和寬度的精度對比壓的變化有明顯的影響.密封端面研磨、.拋光后的粗糙度為(▽12~▽13)，平直度必須限制在1個光帶以內.此外，摩擦端面的垂直度和軸的精度也要相應提高.注意在高壓下因不同介質所造成的沖刷腐蝕和磨損，圖10-12(a),(b)表示不同摩擦副材料在不同的轉速下介質為烴和水及水溶液時壓力與密封尺寸的關系.5采用流體動壓式機械密封流體動壓式(也稱流體動力式，熱流體動壓式)機械密封是考慮在高壓和摩擦熱的情況下。綏化FMY212釜用機械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="綏化單面釜用機械密封,釜用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637327525200253906/4762674.png"></div><p> 但擺動量仍然很大，填料密封已滿足不了要求;二是使用條件越來越苛刻，安全要求也越來越高，減少泄漏，防止污染環(huán)境的呼聲促使設計、生產部門采用機械密封;三是釜用機械密封的結構不斷改進以及與其配套的輔助裝置普遍得到采用，使密封效果更良好，從而節(jié)省了維修費用.有人做過統(tǒng)計，盡管機械密封的凈購置費用比填料密封高，但安裝使用之后，機械密封的維修費用只占填料密封維修費用的1/20，五年后總費用，機械密封比填料密封低一半.一、釜用機械密封與泵用機械密封的區(qū)別1.釜用機械密封大多數為立式，少數為傾斜式，極個別為水平式.一般計算機械密封端面比壓都不考慮旋轉零件的自重.2.泵用機械密封的軸徑多數在100mm以下，而釜用機械密封的軸徑在100mm以上也很多.泵用機械密封的重量一般從幾百克到幾公斤，.而一套釜用機械密封的重量有時達幾百公斤到一千公斤以上。所以，在設計時要考慮安裝、檢修所需的起吊裝置.3.釜用機械密封的密封介質多數為氣相.因此，釜用密封的端面比壓要比泵用密封的端面比壓高.4.釜用密封多數為雙端面、平衡型結構，此外，為了安裝和檢修方便，也用剖分式結構和易檢拆結構.二、上裝式釜用機械密封上裝式釜用密封應用較廣。張家口FMY212釜用機械密封廠家。綏化單面釜用機械密封</p><p style="text-indent:25px">大慶204B釜用機械密封件。綏化單面釜用機械密封</p><p style="text-indent:25px">在復雜背景下，我國機械及行業(yè)設備急需加快轉型升級，向全球產業(yè)鏈、價值鏈的中**環(huán)節(jié)發(fā)展;企業(yè)要強化管理，積極攻克**領域，夯實發(fā)展基礎，重視創(chuàng)新驅動，加快結構調整和升級。機械企業(yè)常常利用虛擬制造技術來提升反應能力，而虛擬制造技術也是機械制造領域中**重點的技術。對現代化私營有限責任公司企業(yè)來說，具備敏捷的反應能力是未來努力的方向。機械密封，泵用機械密封，釜用機械密封，攪拌器機械密封產業(yè)的再制造已經成為其產業(yè)鏈中的重要一環(huán)。它不僅為客戶提供降低產品全生命周期成本的極優(yōu)方式，也支持了我國提倡的發(fā)展綠色循環(huán)經濟的號召，成為工程機械行業(yè)未來發(fā)展的重要方向。通過機器人替代、軟件信息化、柔性化生產等方式，生產型企業(yè)可實現上下游信息透明、協作設計與生產，提升了生產服務的質量與效率。綏化單面釜用機械密封</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2537353.html</p></div></div></div></div></div><div id="gac2xe2" class="page-right twoColRt"><div id="zt7qxel" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cr2wiub" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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