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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ia7w7xz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435777939453/23400.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8dmi8jq" class="content"><p><span>需求數(shù)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(chǎn)品關鍵詞：</span>上海JCS2A/43安德里茲泵用機械密封,安德里茲泵用機械密封</p><p><span>***更新：</span>2020-10-14 10:10:22</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="38nel8f" 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(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: </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="wo3jy77" class="page-proshow02"><p class="title">詳細說明</p><div id="amogipm" class="box"><p><p> 泵用機械密封的安裝和使用機械密封用于各種類型的泵。機械密封是一種精度較高的密封裝置，對安裝和使用條件均有一定的要求。1、機械密封安裝使用的一般原則（1）弄清設備的情況，要了解設備轉(zhuǎn)軸的轉(zhuǎn)速、軸徑；設備制造精度及密封腔尺寸，設備本身的使用壽命以及設備在生產(chǎn)工藝中的地位等要做均衡的考慮。（2）估算介質(zhì)壓力，上海JCS2A/43安德里茲泵用機械密封。泵的密封腔壓力一般不是泵的出口壓力，而是低于泵的出口壓力。（3）弄清密封介質(zhì)情況。密封介質(zhì)的狀態(tài)，是氣態(tài)還是液態(tài)，介質(zhì)是否含顆粒及顆粒狀況；了解介質(zhì)的性質(zhì)、溫度，以便合理選型及采取必要的冷卻、沖洗，上海JCS2A/43安德里茲泵用機械密封，上海JCS2A/43安德里茲泵用機械密封、潤滑措施。2、機械密封安裝使用的技術要求（1）安裝機械密封部位的軸或軸套的徑向跳動公差：Ф10~50mmФ50~120mm,。軸或軸套的表面粗糙度應符合技術要求，外徑尺寸公差為h6。（2）傳動軸的軸向竄動量不超過。（3）密封腔體端面對軸表面的跳動公差：軸或軸套外徑端面跳動公差:Ф10~50mm，Ф50~120mm,（4）軸或軸套的端面及密封腔體的端面要有倒角。軸徑≤Φ30mm時為3×10°，軸徑＞Φ30mm時為4×10°。（5）當輸送介質(zhì)溫度偏高、過低或含有雜質(zhì)顆粒、易燃、易爆、有毒時，應采取相應的阻封、沖洗、冷卻、過濾等措施。。三亞安德里茲泵用機械密封JCS1C-43-QREO-GA-192038。上海JCS2A/43安德里茲泵用機械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海JCS2A/43安德里茲泵用機械密封,安德里茲泵用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435777939453/23400.png"></div><p> 比YG6大1倍多，為／℃（10～500℃時）。這兩點決定了耐熱沖擊性能不如YG6好。正因為線膨脹系數(shù)較大，和馬氏體不銹鋼接近（10～500℃時為11X10-6／℃），為和環(huán)座焊接提供了有利條件。焊接時需在環(huán)和座之間鋪放一層鎳基粉末，置于真空電阻爐中，經(jīng)1100℃高溫熔焊，然后進行回火處理，以消除焊接應力。由于是焊接的密封環(huán)，硬質(zhì)合金環(huán)的厚度可以比YG6薄，毛坯的厚度也只有3～3．5mm。以因密度小，是YG6的一半（7~），因此，可節(jié)約貴重金屬，價格較低。這種合金的牌號為CN15，其中Cr3C285%，Ni為15%，由北京硬質(zhì)合金廠研制成功。熱裝式密封環(huán)以其性能***應用，但過盈量過大則硬質(zhì)合金在較大擠壓應力作用下產(chǎn)生變形；過盈量過小，使用時會松脫。經(jīng)長期觀察分析，熱裝式密封環(huán)松脫主要是由于環(huán)座和硬質(zhì)合金環(huán)兩者線膨脹純利系數(shù)的差別，工作出現(xiàn)間隙。由此可見，熱裝式密封環(huán)失效的根本原因主要有二：一是過盈值小，三是環(huán)座材料選擇不當，線膨脹系數(shù)太大。確定過盈值應遵循的原則：1）從傳遞扭矩的角度考慮過盈值應足夠大。2）從環(huán)的變形的角度考慮過盈值不可過大。綜合起來，在滿足環(huán)和座傳遞扭矩的情況下，取小的過盈值。包頭JCS2A-115安德里茲泵用機械密封哈爾濱安德里茲泵用機械密封25-LP-D-S32-D20/60-DE。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海JCS2A/43安德里茲泵用機械密封,安德里茲泵用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435925498046/1143703.png"></div><p> 2.試運轉(zhuǎn)時出現(xiàn)的泄漏泵用機械密封經(jīng)過靜試后，運轉(zhuǎn)時高速旋轉(zhuǎn)產(chǎn)生的離心力，介質(zhì)的泄漏。因此，試運轉(zhuǎn)時機械密封泄漏在排除軸間及端蓋密封失效后，基本上都是由于動、靜環(huán)摩擦副受破壞所致。引起摩擦副密封失效的因素主要有：（1）操作中，因抽空、氣蝕、憋壓等異?，F(xiàn)象，引起較大的軸向力，使動、靜環(huán)接觸面分離；（2）對安裝機械密封時壓縮量過大，導致摩擦副端面嚴重磨損、擦傷；（3）動環(huán)密封圈過緊，彈簧無法調(diào)整動環(huán)的軸向浮動量；（4）靜環(huán)密封圈過松，當動環(huán)軸向浮動時，靜環(huán)脫離靜環(huán)座；（5）工作介質(zhì)中有顆粒狀物質(zhì)，運轉(zhuǎn)中進人摩擦副，探傷動、靜環(huán)密封端面；（6）設計選型有誤，密封端面比壓偏低或密封材質(zhì)冷縮性較大等。上述現(xiàn)象在試運轉(zhuǎn)中經(jīng)常出現(xiàn)，有時可以通過適當調(diào)整靜環(huán)座等予以消除，但多數(shù)需要重新拆裝，更換密封。3.兩密封端面失去潤滑膜引起的失效（1）因端面密封載荷的存在，在密封腔缺乏液體時啟動泵而發(fā)生干摩擦；（2）介質(zhì)低于飽和蒸汽壓力，使得端面液膜發(fā)生閃蒸，喪失潤滑；（3）如介質(zhì)為易揮發(fā)性產(chǎn)品，在機械密封冷卻系統(tǒng)出現(xiàn)結(jié)垢或阻塞時，由于端面摩擦及旋轉(zhuǎn)元件攪拌液體產(chǎn)生熱量而使介質(zhì)的飽和蒸汽壓上升。</p><p> 泵用機械密封的正確安裝和使用，可以延長泵用機械密封的使用壽命、降低運營成本。針對每一環(huán)節(jié)作細致的工作，保證整機的運行和生產(chǎn)的正常進行。那么泵用機械密封安裝，有哪些不可忽視的細節(jié)呢？1、安裝機械密封的軸套區(qū)域要涂上薄薄的一層油，但如果選用的是乙丙、丁基等橡膠密封元件時，不能與礦物油和脂類相接觸，這種情況推薦使用洗滌劑或肥皂液潤滑。這樣做是為了減少摩擦阻力。2、安裝中應注意區(qū)分左、右靜環(huán)以及軸套的安裝方向，對有防止靜環(huán)軸向位移的機械密封安裝時必須將卡環(huán)安放在密封腔的對應位置。安裝機械密封緊定螺釘應分幾次均勻擰緊，在未固定壓蓋之前應檢查是否有異物粒附在摩擦的端面上，用手推補償環(huán)作軸向壓縮，松開后補償環(huán)能自動彈回無卡滯現(xiàn)象，然后將壓蓋螺釘均勻鎖緊。3、安裝包覆PTPE的密封圈時，外層接縫必須背離安裝方向。劇烈彎曲PTPE會導致失效，安裝純四氟的密封圈時，需要足夠的時間和微力，避免擦傷，否則會造成失效。安裝四氟V形圈時，其V形口必須面對高壓側(cè)。安裝楔形密封圈時，若彈簧座上有安裝卡子，應在機械密封裝上軸或軸套后將其取掉。裝單向旋轉(zhuǎn)且采用并圈彈簧傳動的機械密封時，尤其要注意彈簧的旋向，從靜止環(huán)向旋轉(zhuǎn)環(huán)看。SAB-35-QRXG-GA121489安德里茲泵用機械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海JCS2A/43安德里茲泵用機械密封,安德里茲泵用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435880019531/604898.png"></div><p> 對于離心泵，轉(zhuǎn)速在2950r／min和直徑小時，可忽略離心力的影響；當直徑較大時，環(huán)座產(chǎn)生的離心力較大，會抵消一部分過盈值，不容忽略。此外，環(huán)座材料的彈性模量不同，采用的過盈值也不同，對于彈性錯量小的材料（如4J42和鈦合金等），過盈值可相應大些。我們引用計算過盈值的公式e=dm（a2一a1）（t—t0），取e=0．002dm有0．002=（a2一a1）（t—t0）可得高使用溫度t=（a2一a1）+t0對于3Cr13、1Cr18Ni9Ti、Icr18Ni12Mo2Ti和哈氏合金B(yǎng)與C，其彈性模量相近，當它們與YG6和YGS熱裝時，高使用溫度見表2(取t。＝22℃)。考慮離心力的影響和高溫下環(huán)座材料的應力松弛后，各種環(huán)座材料的允許使用溫度見圖28，超出此溫度在密封腔中就應采取措施，降低溫度。八、輔助密封圈種類動環(huán)和軸（軸套）以及靜環(huán)和壓蓋之間的密封靠輔助密封圈來實現(xiàn)。它們基本上屬于靜密封，當密封端面和軸中心線不垂直時，動環(huán)密封圈沿軸向有很小的軸向運動，其位移量取決于密封端面和軸中心的垂直度誤差、運動的次數(shù)和軸轉(zhuǎn)速等。輔助密封圈的種類很多，從材料角度分類有合成橡膠、聚四氟乙烯和柔性石墨等；從斷面形狀分類有圓形、方形、V形、楔形及包覆形密封圈。安德里茲泵用機械密封JCS1C-43-QREO-GA-192038。包頭JCS2A-115安德里茲泵用機械密封</p><p style="text-indent:25px">錫林郭勒SAB-35-QRXG-GA121489安德里茲泵用機械密封。上海JCS2A/43安德里茲泵用機械密封</p><p> 二、泵用機械密封檢修中的幾個誤區(qū)1．彈簧壓縮量越大密封效果越好。其實不然，彈簧壓縮量過大，可導致摩擦副急劇磨損，瞬間燒損；過度的壓縮使彈簧失去調(diào)節(jié)動環(huán)端面的能力，導致密封失效。2．動環(huán)密封圖越緊越好。其實動環(huán)密封圈過緊有害無益。一是加劇密封圈與軸套間的磨損，泄漏；二是增大了動環(huán)軸向調(diào)整、移動的阻力，在工況變化頻繁時無法適時進行調(diào)整；三是彈簧過度疲勞易損壞；四是使動環(huán)密封圈變形，影響密封效果。3．靜環(huán)密封圈越緊越好。靜環(huán)密封圈基本處于靜止狀態(tài)，相對較緊密封效果會好些，但過緊也是有害的。一是引起靜環(huán)密封因過度變形，影響密封效果；二是靜環(huán)材質(zhì)以石墨居多，一般較脆，過度受力極易引起碎裂；三是安裝、拆卸困難，極易損壞靜環(huán)。4．葉輪鎖母越緊越好。機械密封泄漏中，軸套與軸之間的泄漏（軸間泄漏）是比較常見的。一般認為，軸間泄漏就是葉輪鎖母沒鎖緊，其實導致軸間泄漏的因素較多，如軸間墊失效，偏移，軸間內(nèi)有雜質(zhì)，軸與軸套配合處有較大的形位誤差，接觸面破壞，軸上各部件間有間隙，軸頭螺紋過長等都會導致軸間泄漏。鎖母鎖緊過度只會導致軸間墊過早失效，相反適度鎖緊鎖母，使軸間墊始終保持一定的壓縮彈性。上海JCS2A/43安德里茲泵用機械密封</p><p style="text-indent:25px">伊格爾博格曼機械密封（張家港）有限公司致力于機械及行業(yè)設備，以科技創(chuàng)新實現(xiàn)***管理的追求。張家港博格曼擁有一支經(jīng)驗豐富、技術創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供機械密封，泵用機械密封，釜用機械密封，攪拌器機械密封。張家港博格曼不斷開拓創(chuàng)新，追求出色，以技術為先導，以產(chǎn)品為平臺，以應用為重點，以服務為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務。張家港博格曼始終關注機械及行業(yè)設備行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: 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