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id="hj3jfyo" class="proBig"><div id="aghb8zg" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637329419379775390/9302667.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fawxqlx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637329419379775390/9302667.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="slht3dp" 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>廣東電子產(chǎn)品O型圈生產(chǎn)廠家,O型圈</p><p><span>***更新：</span>2020-08-22 10:14:25</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="84z8ag3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州思飛硅橡膠制品有限公司</a></p><p><span>聯(lián)系人：</span>關偉蘭</p><p><span>郵箱: </span>szsf1688@126.com</p><p><span>電話: </span>18662569900</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://sfgxjbm.shop.88360.com</p><p><span>手機: </span>0512-65853376</p><p><span>地址: </span>蘇州吳中經(jīng)濟開發(fā)區(qū)旺山工業(yè)園龍翔路西2號</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="da8sef3" class="page-proshow02"><p class="title">詳細說明</p><div id="gju3mst" class="box"><p><p> 摩擦力與O型圈的應用在動密封裝置中，摩擦與磨損是O型圈損壞的重要影響因素。磨損程度主要取決于摩擦力的大小。當液體壓力微小時，O型圈摩擦力的大小取決于它的預壓縮量。當工作液體承受壓力時，摩擦力隨之工作壓力的增加而增大。在工作壓力小于20MPa的情況下，近似地呈線形關系。壓力大于20MPa時，隨著壓力的增加，O型圈與金屬表面接觸面積的增加也逐漸緩慢，摩擦力的增加也相應緩慢。在正常情況下，O型圈的使用壽命隨著液體壓力的升高將會近似的呈平方關系而減小。摩擦力的增加，使得旋轉(zhuǎn)或往復運動的軸與O形密封圈之間產(chǎn)生大量的摩擦熱，廣東電子產(chǎn)品O型圈生產(chǎn)廠家。由于多數(shù)O型圈都是用橡膠制成的，導熱性極差。因此，摩擦熱就會引起橡膠的老化，導致O型圈實效，破壞其密封性能。摩擦還會引起O型圈表面損傷，使壓縮量減小。嚴重的摩擦會很快引起O型圈的表面損壞，失去密封性。作氣動往復運動用密封時，摩擦熱還會引起粘著，造成摩擦力進一步增加。運動用密封在低速運動時，摩擦阻力還是引起爬行的一個因素，廣東電子產(chǎn)品O型圈生產(chǎn)廠家，影響元件和系統(tǒng)的工作性能。所以對運動密封來說，摩擦性是重要性能之一。摩擦系數(shù)是摩擦特性的一個評價指標，合成橡膠摩擦系數(shù)較大，廣東電子產(chǎn)品O型圈生產(chǎn)廠家，由于密封在運動狀態(tài)時。耐高溫O型圈，生產(chǎn)廠家-蘇州思飛。廣東電子產(chǎn)品O型圈生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東電子產(chǎn)品O型圈生產(chǎn)廠家,O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637329419379775390/9302667.png"></div><p> 橡膠O型圈密封性能優(yōu)良，工作壽命高，動態(tài)壓力密封工作壽命比常規(guī)橡膠密封制品高5—10倍，高可達數(shù)十倍，在某些條件下可與密封基體同壽命。中文名：橡膠O型圈產(chǎn)品用途：用于往復運動液壓油缸中活塞密封材質(zhì)：聚氨酯TPU、CPU、橡膠產(chǎn)品硬度：HS70±52A橡膠O型圈(O-rings)是一種截面為圓形的橡膠密封圈，因其截面為O型，故稱其為O型密封圈，也叫O型圈。開始出現(xiàn)在19世紀中葉，當時用它作蒸汽機汽缸的密封元件。規(guī)格橡膠O型圈規(guī)格型號主要有UHSO型圈規(guī)格，UHPO型圈規(guī)格，UNO型圈規(guī)格，DHO型圈規(guī)格，活塞桿O型圈規(guī)格，耐高溫O型圈，耐高壓O型圈，耐腐蝕O型圈，耐磨損O型圈。O型圈應用介紹孔用YX型O型圈產(chǎn)品用途：用于往復運動液壓油缸中活塞的密封。適用范圍：TPU：一般液壓缸、通用設備液壓缸。CPU：工程機械用液壓缸及高溫、高壓用油缸。材質(zhì)：聚氨酯TPU、CPU、橡膠。產(chǎn)品硬度：HS70±52A工作溫度：TPU：-40～+80℃，CPU：-40～+120℃工作壓力：≤32Mpa工作介質(zhì)：液壓油、乳化液。YX型孔用擋O型圈產(chǎn)品用途:本標準適用于油缸工作壓力大于16MPa時配合YX型密封圈使用,或油缸偏心受力時,起保護密封圈的作用.工作溫度:-40～+100度。廣東電子產(chǎn)品O型圈生產(chǎn)廠家三元乙丙o型圈批發(fā)-epdm耐腐蝕抗老化o型圈定制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東電子產(chǎn)品O型圈生產(chǎn)廠家,O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328358602041016/4564732.png"></div><p> O型圈的設計與使用O型圈的設計、使用不當會加速它的損壞，喪失密封性能。實驗表明，如密封裝置各部分設計合理，單純地提高壓力，并不會造成O型圈的破壞。在高壓、高溫的工作條件下，O型圈破壞的主要原因是O型圈材料的長久變形和O型圈被擠入密封間隙而引起的間隙咬傷，O型圈在運動時出現(xiàn)扭曲現(xiàn)象。長久變形由于O型圈密封圈用的合成橡膠材料是屬于粘彈性材料，所以初期設定的壓緊量和回彈堵塞能力經(jīng)長時間的使用，會產(chǎn)生長久變形而逐漸喪失，隨之發(fā)生泄漏。長久變形和彈力消失是O型圈失去密封性能的主要原因，以下是造成長久變形的主要原因。1）壓縮率和拉伸量與長久變形的關系2）溫度與O型圈馳張過程的關系3）介質(zhì)工作壓力與長久變形。 </p><p> O型圈的材料主要有丁氰橡膠NBR和氟橡膠FKM，氟橡膠更適用于高溫工況。除材料之外，O型圈很重要的一個指標的是它的硬度，一般采用邵氏硬度來表示，從60到90左右不等，數(shù)值越大表示硬度越高。在同樣壓力下，硬度越高，防擠出(變形甚至撕裂)的能力就越強。因此，應選用硬度較高的O型圈。然而，市場上常見的O型圈均為丁氰橡膠制成，邵氏硬度一般O型圈的溝槽設計有相關的國家標準，主要分動密封、軸向靜密封和徑向靜密封三種。法蘭、箱蓋等的O型圈采用軸向壓緊更便于裝配和保證密封性能。另外，我國國家標準中的溝槽尺寸標準已顯落后，如國家標準中受內(nèi)壓的O型圈溝槽外徑等于O型圈外徑，而PARKER法蘭接頭的O型圈溝槽外徑小于O型圈外徑。設計時應適當參考國外標準。在70左右，難以滿足相當一部分工況的要求。有O型圈的密封面不得使用平面密封膠，可以在O型圈上涂少量黃油以使其不脫落。在維修時。耐高溫o型圈_生產(chǎn)廠家_**國內(nèi)外。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東電子產(chǎn)品O型圈生產(chǎn)廠家,O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328528377861328/7651244.png"></div><p> 用于往復運動密封時的密封原理在液壓轉(zhuǎn)動、氣動元件與系統(tǒng)中，往復動密封是一種常見的密封要求。動力缸活塞與缸體、活塞干預缸蓋以及各類滑閥上都用到往復運動密封?？p隙由圓柱桿與圓柱孔形成，桿在圓柱孔內(nèi)軸向運動。密封作用限制流體的軸向泄漏。用作往復運動密封時，O型圈的預密封效果和自密封作用與靜密封一樣，并且由于O型圈自身的彈力，而具有磨損后自動補償?shù)哪芰Α５捎谝后w介質(zhì)密封時，由于桿運動速度、液體的壓力、粘度的作用，情況比靜密封復雜。當液體在壓力作用下，液體分子與金屬表面互相作用，油液中所含的“極性分子”在金屬表面上緊密而整齊的排列，沿滑移面與密封件間形成一個強固的邊界層油膜，并且對滑移面產(chǎn)生極大的附著力。該液體薄膜始終存在于密封件與往復運動面之間，它亦起一定的密封作用，并且對運動密封面的潤滑是非常重要的。但是對泄漏來講是有害的。但往復運動的軸向外拖出時，軸上的液體薄膜便與軸一起拉出，由于密封件的“擦拭”作用，當往復運動的軸縮回時，該液體薄膜便被密封元件阻留在外面。隨著往復運動行程次數(shù)增多，阻留在外面的液體就越多，后形成油滴，這就是往復運動式密封裝置的泄漏。由于液壓油的粘度隨著溫度的升高而降低。阻燃硅膠O型圈制造廠家品牌。耐高溫O型圈工廠</p><p style="text-indent:25px">環(huán)保阻燃o型圈-環(huán)保阻燃o型圈批發(fā)、促銷價格、產(chǎn)地貨源。廣東電子產(chǎn)品O型圈生產(chǎn)廠家</p><p> 全氟橡膠介紹由三個或更多氟橡膠單體聚合而成，單體上所有的氫原子的位置被氟原子取代。其具有杰出的抗高溫硬化的性能，又兼具橡膠的彈性和聚四氟乙烯的耐腐蝕性。在-20F－615F范圍里，全氟醚O型圈（密封件[1]），拉長度和密封性都很好。無論是遇到溫度、壓力、化學腐蝕或者上述所有的相關情況，的產(chǎn)品都能提供相應的解決難題的方案。全氟醚O型圈（密封件）能耐絕大多數(shù)化學品的腐蝕，包括有機酸、無機酸、堿、酮類、醇類、醛類和燃料。因此，全氟O型圈（密封件）能長期服役于大多數(shù)化學和石化流程中。在其它橡膠會膨脹或失效的介質(zhì)中。O型圈（密封件）不會膨脹或變得易碎，依然保持原有的品質(zhì)。O型圈安裝方便，比金屬密封件更能適應不正確的安裝，不會造成磨損。它與聚四氟乙烯密封件也不一樣，不會出現(xiàn)“冷流性”或者磨損軸。廣東電子產(chǎn)品O型圈生產(chǎn)廠家</p><p style="text-indent:25px">蘇州思飛硅橡膠制品有限公司屬于橡塑的高新企業(yè)，技術力量雄厚。公司是一家有限責任公司企業(yè)，以誠信務實的創(chuàng)業(yè)精神、質(zhì)量高速的管理團隊、精悍的職工隊伍，努力為廣大用戶提供***的產(chǎn)品。公司業(yè)務涵蓋[ "密封圈", "硅膠按鍵", "腳墊", "硅橡膠訂制品" ]，價格合理，品質(zhì)有保證，深受廣大客戶的歡迎。蘇州思飛順應時代發(fā)展和市場需求，通過**技術，力圖保證高規(guī)格高質(zhì)量的[ "密封圈", "硅膠按鍵", "腳墊", "硅橡膠訂制品" ]。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1000436.html</p></div></div></div></div></div><div id="qearaq3" class="page-right twoColRt"><div id="ornevjp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oxy7ntj" class="recomPic likePro"><a 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