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class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435968769531/9737361.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7782vho" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435968769531/9737361.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="84earof" 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>薊州區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封,安德里茲泵用機(jī)械密封</p><p><span>***更新：</span>2021-01-26 02:10:59</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="ey3vb3x" 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="cry22g2" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="nholxeq" class="box"><p><p> 一般用于較小軸徑的情況。多彈簧式機(jī)械密封適用于較大軸徑，其軸向尺寸小、軸向力均勻，適用于高速機(jī)械密封。但多彈簧的彈簧絲徑小，因腐蝕或結(jié)晶顆粒積聚易引起彈簧失效或卡滯，此時(shí)應(yīng)采用單彈簧式密封或采用合理的布置方式避免彈簧與介質(zhì)接觸，當(dāng)采用單彈簧式機(jī)械密封時(shí)應(yīng)采取一定措施使彈簧力分布更加均勻，進(jìn)而避免因彈簧力分布不均而導(dǎo)致密封本體的失效。彈簧式與波紋管式機(jī)械密封的選擇彈簧式機(jī)械密封追隨性及補(bǔ)償能力好，且能適應(yīng)高壓力場(chǎng)合，一般情況下應(yīng)用較多。但由于彈簧式密封受輔助密封圈耐溫限制，不能用于溫度較高的場(chǎng)合，一般應(yīng)低于200°C。波紋管式機(jī)械密封可分為橡膠波紋管、聚四氟乙烯波紋管和焊接金屬波紋管三大類。前兩種波紋管由于彈力較小，均需加輔助彈簧，因而使用受到一定限制;現(xiàn)場(chǎng)應(yīng)用較多的為金屬波紋管，其具有較好的耐低，薊州區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封、高溫性能，溫度范圍可在-40~400°C。布置方式的選擇每套集裝式密封中有一對(duì)摩擦副，薊州區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封，分為帶固定節(jié)流襯套(1CW-FX)和浮動(dòng)節(jié)流襯套(1CW-FL)兩種配置。每套集裝式密封中有兩對(duì)摩擦副，且緩沖流體壓力低于密封腔壓力，分為雙接觸式濕密封(2CW-CW)，薊州區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封、接觸式濕內(nèi)密封(2CW-CS)和非接觸式內(nèi)密封(2NC-CS)三種配置。河?xùn)|區(qū)11-LP-D-S32-D20/40-DE安德里茲泵用機(jī)械密封。薊州區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="薊州區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封,安德里茲泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435968769531/9737361.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(méi)有組合式密封環(huán)泄漏和分離的缺陷，也沒(méi)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。薊州區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封安德里茲泵用機(jī)械密封SAF-55-QREG-304449。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="薊州區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封,安德里茲泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435797187500/9347229.png"></div><p> 靜壓試驗(yàn)時(shí)泄漏，機(jī)械密封在安裝時(shí)由于不細(xì)心，往往會(huì)使密封端面被碰傷、變形、損壞、清理不凈、夾有顆粒狀雜質(zhì)，或是由于定位螺釘松動(dòng)，壓蓋沒(méi)有壓緊、機(jī)器設(shè)備精度不夠，使密封面沒(méi)有完全貼合，都會(huì)造成介質(zhì)泄漏。如果是軸套漏，則是軸套密封圈裝配時(shí)未被壓緊或壓縮量不夠或損壞。周期性或陣發(fā)性泄漏。機(jī)械密封的轉(zhuǎn)子組件周期性振動(dòng)，軸向竄動(dòng)量太大，都會(huì)造成泄漏。機(jī)械密封的經(jīng)常性泄漏。機(jī)械密封經(jīng)常性泄漏的原因有很多方面。***方面，由于密封端面缺陷引起的經(jīng)常性泄漏；第二方面，是輔助密封圈引起的經(jīng)常性泄漏；第三方面，是彈簧缺陷引起的泄漏。其他方面，還包括轉(zhuǎn)子振動(dòng)引起的泄漏、傳動(dòng)、緊定和止推零件質(zhì)量不好或松動(dòng)引起泄漏等。機(jī)械密封振動(dòng)偏大。機(jī)械密封振動(dòng)偏大，**終導(dǎo)致失去密封效果。但機(jī)械密封振動(dòng)偏大的原因往往不**是機(jī)械密封本身的原因，泵的其它零部件也是產(chǎn)生振動(dòng)的根源。9、螺旋密封螺旋密封也是動(dòng)力密封的一種形式，它是在旋轉(zhuǎn)的軸上或者在軸的包容套上加工出螺旋槽，軸和套之間充有密封介質(zhì)。軸的旋轉(zhuǎn)使螺旋槽產(chǎn)生類似于泵的輸送作用，從而阻止密封液的泄漏。其密封能力的大小與螺旋角度、螺距、齒寬、齒高等相關(guān)。由于密封之間不發(fā)生磨擦。</p><p> 影響動(dòng)環(huán)的軸向浮動(dòng)和彈簧的補(bǔ)償。④檢查緊定螺釘是否松動(dòng)，是否影響機(jī)械密封的正常工作狀態(tài)。⑤檢查固定端蓋的螺釘是否松動(dòng)，而引起密封端蓋的偏斜。⑥檢查泵的軸向竄動(dòng)和徑向振動(dòng)是否超過(guò)使用的技術(shù)要求。⑦若是裝軸套的情況，檢查軸套與軸之間的密封是否損壞，位置是否正確。⑧檢查密封體內(nèi)有無(wú)密封液循環(huán)，機(jī)械密封是否處于干摩擦狀態(tài)。機(jī)械密封件的選型方法和使用要求機(jī)械密封件屬于精密、結(jié)構(gòu)較為復(fù)雜的機(jī)械基礎(chǔ)元件之一，是各種泵類、反應(yīng)合成釜、透平壓縮機(jī)、潛水電機(jī)等設(shè)備的關(guān)鍵部件。其密封性能和使用壽命取決于許多因素，如選型、機(jī)器的精度、正確的安裝使用等。一、選型方法機(jī)械密封按工作條件和介質(zhì)性質(zhì)的不同，有耐高溫、耐低溫機(jī)械密封，耐高壓、耐腐蝕機(jī)械密封，耐顆粒介質(zhì)機(jī)械密封和適應(yīng)易汽化的輕質(zhì)烴介質(zhì)的機(jī)械密封等，應(yīng)根據(jù)不同的用處選取不同結(jié)構(gòu)型式和材料的機(jī)械密封。選型的主要參數(shù)有：密封腔體壓力（MPa）、流體溫度（℃）、工作速度（m/s）、流體的特性以及安裝密封的有效空間等。選型的基本原則為：1.根據(jù)密封腔體壓力，確定密封結(jié)構(gòu)采用平衡型或非平衡型，單端面或雙端面等。2.根據(jù)工作速度，確定采用旋轉(zhuǎn)式或靜止式，流體動(dòng)壓式或非接觸型。秦皇島11-LP-D-S32-D20/30-DE安德里茲泵用機(jī)械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="薊州區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封,安德里茲泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435655791015/2586445.png"></div><p> 一般選用耐老化性能較好的丁晴橡膠。當(dāng)當(dāng)化工泵輸送介質(zhì)，在-50～200℃時(shí)，選用氟橡膠更為合適。因?yàn)樗四陀湍蜔嵬?，機(jī)械強(qiáng)度大也是其主要特征。在化工泵中由于所輸送介質(zhì)具有腐蝕性，所以一般選用聚四氟乙烯做為墊片材料。隨著化工泵使用的領(lǐng)域越來(lái)越***，所輸送介質(zhì)種類也越來(lái)越多，因此在選用墊片材質(zhì)時(shí)應(yīng)查閱相關(guān)資料或通過(guò)實(shí)驗(yàn)后再做出正確選擇。3、油封密封化工泵油封是一種自緊式唇狀密封，其結(jié)構(gòu)簡(jiǎn)單，尺寸小，成本低廉，維護(hù)方便，阻轉(zhuǎn)矩較小，既能防止介質(zhì)泄漏，也能防止外部塵土和其它有害物質(zhì)侵入，而且對(duì)磨損有一定的補(bǔ)償能力，但不耐高壓，所以一般用在低壓場(chǎng)合的化工泵上?；け靡揽侩x心原理來(lái)抽取液體物料，特殊材料制成的化工泵適用于瓶、桶、缸、池或其他容器中抽取腐蝕性液體。由于化工泵所抽取的介質(zhì)有腐蝕、揮發(fā)、等危險(xiǎn)性的存在，對(duì)泵體的密封性能要求，要比其他種類的泵高很多。化工泵油封應(yīng)安裝在制造精度為h8～h9，表面粗糙度為～μm且經(jīng)過(guò)表面硬化處理的軸上。密封介質(zhì)不應(yīng)含有固體微粒和雜質(zhì)，否則會(huì)造成油封和軸的迅速磨損而使密封失效。在選擇此種密封方法是，要充分考慮化工泵所輸送到物料的性能和要求，以避免不必要的泄漏。順義區(qū)11-LP-D-S32-D20/30-DE安德里茲泵用機(jī)械密封。薊州區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封</p><p style="text-indent:25px">河?xùn)|區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封。薊州區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封</p><p> 從受力角度考慮過(guò)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。上述要求是對(duì)普通泵用機(jī)械密封的密封環(huán)而言，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、平面度平面度。薊州區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封</p></p><br /><p>文章來(lái)源地址: 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