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class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328528197861328/8442229.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vp9o7fh" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328528197861328/8442229.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bvkbyke" 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(guān)鍵詞：</span>貴州耐高溫O型圈價格,O型圈</p><p><span>***更新：</span>2020-10-21 10:18:14</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="lvkr7eq" 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(guān)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(jī): </span>0512-65853376</p><p><span>地址: </span>蘇州吳中經(jīng)濟(jì)開發(fā)區(qū)旺山工業(yè)園龍翔路西2號</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="m3dugdc" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2md8s4l" class="box"><p><p> 用于往復(fù)運(yùn)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(fù)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(yù)缸蓋以及各類滑閥上都用到往復(fù)運(yùn)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(yùn)動。密封作用限制流體的軸向泄漏。用作往復(fù)運(yùn)動密封時，O型圈的預(yù)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(bǔ)償?shù)哪芰?。但由于液體介質(zhì)密封時，由于桿運(yùn)動速度、液體的壓力、粘度的作用，情況比靜密封復(fù)雜。當(dāng)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(qiáng)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(fù)運(yùn)動面之間，它亦起一定的密封作用，并且對運(yùn)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(fù)運(yùn)動的軸向外拖出時，軸上的液體薄膜便與軸一起拉出，貴州耐高溫O型圈價格，由于密封件的“擦拭”作用，當(dāng)往復(fù)運(yùn)動的軸縮回時，該液體薄膜便被密封元件阻留在外面，貴州耐高溫O型圈價格。隨著往復(fù)運(yùn)動行程次數(shù)增多，貴州耐高溫O型圈價格，阻留在外面的液體就越多，后形成油滴，這就是往復(fù)運(yùn)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o(jì)型圈-阻燃o(jì)型圈批發(fā)廠家、廠家比價、質(zhì)量供應(yīng)商。貴州耐高溫O型圈價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州耐高溫O型圈價格,O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328528197861328/8442229.png"></div><p> 丁基橡膠IIR(ButylRubber)為異丁烯與少量isoprenes聚合而成，保有少量不飽合基供加硫用，因甲基的立體障礙分子的運(yùn)動比其它聚合物少，故氣體透過性較少，對熱、日光、臭氧之抵抗性大，電器絕緣性佳；對極性溶劑如醇、酮、酯等抵抗大，一般使用溫度范圍為-54~110℃。優(yōu)點：·對大部份一般氣體具不滲透性·對陽光及臭氧具良好的抵抗性·可暴露于動物或植物油或是可氧化的化學(xué)物中缺點：·不建義與石油溶劑，膠煤油和芳?xì)渫瑫r使用?！び糜谥谱髂突瘜W(xué)藥品、真空設(shè)備的橡膠零件。氫化丁睛膠HNBR(HydrogenateNitrile)氫化丁睛膠為丁睛膠中經(jīng)由氫化后去除部份雙鏈，經(jīng)氫化后其耐溫性、耐候性比一般丁睛橡膠提高很多，耐油性與一般丁睛膠相近。一般使用溫度范圍為-25~150℃。優(yōu)點：·較丁睛膠擁有相對好的抗磨性·具有較好的抗蝕、抗張、抗撕和壓縮歪的特性·在臭氧、陽光及其它的大氣狀況下具良好的抵抗性·一般來說適用于洗衣或洗碗的清洗劑中缺點：·不建議使用于醇類，酯類或是芳香族的溶液之中?！た照{(diào)制冷業(yè)，用于環(huán)保冷媒R134a系統(tǒng)中的密封件。·汽車發(fā)動機(jī)系統(tǒng)密封件。貴州耐高溫O型圈價格O型圈|O型密封圈|氟膠O型圈-專業(yè)O型圈供應(yīng)商,只做O型圈更專業(yè)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州耐高溫O型圈價格,O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328529277822266/7168724.png"></div><p> 材質(zhì)分類天然橡膠NR(NaturalRubber)由橡膠樹采集膠乳制成，是異戊二烯的聚合物。具有很好的耐磨性、很高的彈性、扯斷強(qiáng)度及伸長率。在空氣中易老化，遇熱變黏，在礦物油或汽油中易膨脹和溶解，耐堿但不耐強(qiáng)酸?！な侵谱髂z帶、膠管、膠鞋的原料，并適用于制作減震零件、在汽車剎車油、乙醇等帶氫氧根的液體中使用的制品。丁苯膠SBR(StyreneButadieneCopolyme)丁二烯與苯乙烯之共聚合物，與天然膠比較，質(zhì)量均勻，異物少，但機(jī)械強(qiáng)度則較弱，可與天然膠摻合使用優(yōu)點：·低成本的非抗油性材質(zhì)·良好的抗水性，硬度70以下具良好彈力·高硬度時具較差的壓縮歪·可使用大部份中性的化學(xué)物質(zhì)及干性、滋性的有機(jī)酮缺點：·不建議使用強(qiáng)酸、臭氧、油類、油酯和脂肪及大部份的碳?xì)浠衔镏小?</p><p> 丙烯酸酯橡膠ACM(PolyacrylateRubber)由AlkylEsterAcrylate為主成份聚合而成之彈性體，耐石化油、耐高溫、耐候性均佳，在機(jī)械強(qiáng)度、壓縮變形率及耐水性方面則較弱，比一般耐油膠稍差。一般使用溫度范圍為-25~170℃。優(yōu)點：·適用于汽車傳動油之中·具良好的抗氧化及抗候性·具抗彎曲變型的功·對油品有較好的抵抗性·適用于汽車傳動系統(tǒng)及動力方向盤之中缺點：·不適用于熱水之中·不適用于煞車油之中·不具耐低溫的功能·不適用于磷酸酯之中·汽車傳動系統(tǒng)及動力系統(tǒng)密封件。聚氨酯橡膠PU(UrethaneRubber)聚氨酯橡膠機(jī)械物性相當(dāng)好，高硬度、高彈性、耐磨耗性均是其它橡膠類所難相比；耐老化性、耐臭氧性、耐油性也相當(dāng)好。一般使用溫度范圍為-45~90℃。優(yōu)點：·耐磨、耐高壓缺點：·不耐高溫·工業(yè)上耐高壓、耐磨密封件，如液壓缸密封件。德國進(jìn)口O型圈進(jìn)口耐高溫o型圈。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州耐高溫O型圈價格,O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328358658076172/1435039.png"></div><p> 壓縮率壓縮率W通常用下式表示:W=(d0-h)/d0d0:O型圈在自由狀態(tài)下的截面直徑(mm);h:O型圈槽底與被密封表面的距離(溝槽深度)，即O型圈壓縮后的截面高度(mm)在選取O形圈的壓縮率時,應(yīng)從如下3方面考慮:1.要有足夠的密封接觸面積;2.摩擦力盡量小;3.盡量避免長久變形。從以上這些因素不難發(fā)現(xiàn),他們相互之間存在矛盾。壓縮率大就可獲得大的接觸壓力，但是過大的壓縮率無疑就會增大滑動摩擦力和長久形。而壓縮率過小則可能由于密封溝槽的同軸度誤差和O形圈誤差不符合要求，消失部分壓縮量而引起泄漏。因此，在選擇O形圈的壓縮率時，要權(quán)衡各方面的因素。一般靜密封壓縮率大于動密封，但其極值應(yīng)小于25%，否則壓縮應(yīng)力明顯松弛，將產(chǎn)生過大的長久變形，在高溫工況中尤為嚴(yán)重。 O型圈_蘇州思飛硅橡膠制品有限公司。貴州耐高溫O型圈價格</p><p style="text-indent:25px">質(zhì)量o型圈!!新能密封o型圈!!按圖生產(chǎn) 廠家直銷。貴州耐高溫O型圈價格</p><p> 性能指標(biāo)1.分析項目：主成分分析、圖譜分析、失效分析、全成份分析、材質(zhì)鑒定、配方還原等2.物理機(jī)械性能：密度/比重、硬度試驗、表面電阻率、拉伸性能、沖擊性能等；3.老化性能：臭氧、紫外老化、鹽霧老化、氙燈老化、碳弧燈老化、鹵素?zé)衾匣?、壽命推算等?.耐液體性能：耐潤滑油、耐汽油、耐機(jī)油、耐酸、耐堿、耐有機(jī)溶劑、耐耐水性能等；5.燃燒性能：防火阻燃、垂直燃燒、酒精噴燈燃燒、巷道丙烷燃燒、煙密度、燃燒速率等；6.適用性能：耐液壓、脈沖試驗、導(dǎo)電性能、水密性、氣密性等。材料選擇用作O形圈的材料有丁腈橡膠、羧酸腈、氟橡膠、乙丙橡膠、氫化丁腈橡膠、硅橡膠、氯丁橡膠、氟硅橡膠、聚氨酯、氯醇橡膠、丁苯橡膠、丁基橡膠、天然橡膠、乙烯/乙丙酸橡膠、聚丙烯酸酯橡膠、全氟橡膠等等。同樣一種橡膠由于配方的不同，性能指標(biāo)也有較大的變化。所以在材料欄中簡單地填寫丁腈橡膠或丁腈-40是不準(zhǔn)確的。用于O形圈的材料化工部有專門的標(biāo)準(zhǔn)，如：HG/T2579-1994、HG/T2021-1991、HG/T2333-1992、HG/T3089-2001、HB5290-1991等。HG/T2579-1994專門去掉了材料的具體類別，只給出了材料的一些性能指標(biāo)。貴州耐高溫O型圈價格</p><p style="text-indent:25px">蘇州思飛硅橡膠制品有限公司致力于橡塑，是一家生產(chǎn)型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下密封圈，硅膠按鍵，腳墊，硅橡膠訂制品深受客戶的喜愛。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造橡塑良好品牌。蘇州思飛秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1645817.html</p></div></div></div></div></div><div id="jyas3kr" class="page-right twoColRt"><div 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