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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="sgnopvh" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328358602041016/4564732.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3f2su2c" 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>甘肅加工O型圈,O型圈</p><p><span>***更新：</span>2020-10-09 16:11:34</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="hqryulc" 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(huà): </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(kāi)發(fā)區(qū)旺山工業(yè)園龍翔路西2號(hào)</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="w3frnou" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ziz3ri7" class="box"><p><p> O型圈的設(shè)計(jì)與使用O型圈的設(shè)計(jì)、使用不當(dāng)會(huì)加速它的損壞，喪失密封性能。實(shí)驗(yàn)表明，如密封裝置各部分設(shè)計(jì)合理，單純地提高壓力，并不會(huì)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(zhǎng)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(yùn)動(dòng)時(shí)出現(xiàn)扭曲現(xiàn)象，甘肅加工O型圈，甘肅加工O型圈。長(zhǎng)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(shè)定的壓緊量和回彈堵塞能力經(jīng)長(zhǎng)時(shí)間的使用，會(huì)產(chǎn)生長(zhǎng)久變形而逐漸喪失，甘肅加工O型圈，隨之發(fā)生泄漏。長(zhǎng)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(zhǎng)久變形的主要原因。1）壓縮率和拉伸量與長(zhǎng)久變形的關(guān)系2）溫度與O型圈馳張過(guò)程的關(guān)系3）介質(zhì)工作壓力與長(zhǎng)久變形。 O型密封圈 - 橡膠密封件的橡膠O型密封圈。甘肅加工O型圈</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅加工O型圈,O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328358602041016/4564732.png"></div><p> 全氟橡膠介紹由三個(gè)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(zhǎng)度和密封性都很好。無(wú)論是遇到溫度、壓力、化學(xué)腐蝕或者上述所有的相關(guān)情況，的產(chǎn)品都能提供相應(yīng)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(xué)品的腐蝕，包括有機(jī)酸、無(wú)機(jī)酸、堿、酮類(lèi)、醇類(lèi)、醛類(lèi)和燃料。因此，全氟O型圈（密封件）能長(zhǎng)期服役于大多數(shù)化學(xué)和石化流程中。在其它橡膠會(huì)膨脹或失效的介質(zhì)中。O型圈（密封件）不會(huì)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(yīng)不正確的安裝，不會(huì)造成磨損。它與聚四氟乙烯密封件也不一樣，不會(huì)出現(xiàn)“冷流性”或者磨損軸。湖北耐高溫O型圈材質(zhì)氟膠O型圈,進(jìn)口O型圈,丁腈橡膠O型圈-蘇州思飛。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅加工O型圈,O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328528511611328/573543.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(shí),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(zhǎng)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(guò)大的壓縮率無(wú)疑就會(huì)增大滑動(dòng)摩擦力和長(zhǎng)久形。而壓縮率過(guò)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(shí)，要權(quán)衡各方面的因素。一般靜密封壓縮率大于動(dòng)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(guò)大的長(zhǎng)久變形，在高溫工況中尤為嚴(yán)重。 </p><p> 引起扭曲損傷的原因很多，其中主要的是由于活塞、活塞桿和缸筒的間隙不均勻、偏心過(guò)大、O型圈斷面直徑不均勻等造成，為了防止O型圈的扭曲損傷，在設(shè)計(jì)時(shí)應(yīng)注意以下幾點(diǎn)：1）O型圈安裝溝槽的同心度大小，應(yīng)從加工方便和不產(chǎn)生扭曲現(xiàn)象兩個(gè)方面來(lái)考慮。2）O型圈斷面尺寸應(yīng)均勻，并且在每次安裝時(shí)都應(yīng)在密封部位充分涂抹潤(rùn)滑油或潤(rùn)滑脂。有時(shí)也可以采用浸透潤(rùn)滑油的氈圈式加油裝置。3）加大O型圈的截面直徑，動(dòng)密封用O形密封圈的截面直徑一般應(yīng)大于靜密封用O型圈；此外，O型圈應(yīng)避免用作大直徑活塞的密封。4）在低壓下也產(chǎn)生扭曲損傷時(shí)，可使用密封圈保護(hù)擋圈。5）降低缸筒和活塞桿的表面粗糙度。6）采用低摩擦系數(shù)的材料制作O形密封圈。7）可用不易產(chǎn)生扭曲現(xiàn)象的密封圈代替O型圈。進(jìn)口回彈性好的O型圈，請(qǐng)認(rèn)準(zhǔn)蘇州思飛。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅加工O型圈,O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637329419449345703/2804742.png"></div><p> 橡膠O型圈安裝要求(1)檢查引入角是否符合圖紙要求，15°~30°以及D2K尺寸。(2)密封件和零件應(yīng)涂潤(rùn)滑脂或潤(rùn)滑液，但不得使用含固體添加劑的潤(rùn)滑脂，如二硫化鉬、硫化鋅。(3)安裝前對(duì)安裝軸頸進(jìn)行外觀檢查，表面不得有飛邊毛刺、雜質(zhì)、灰塵等缺陷及刮傷。(4)安裝過(guò)程中防止O型圈碰傷，應(yīng)先用銼修平毛刺，在其通過(guò)的部位螺紋及鍵槽表面用膠帶包上再進(jìn)行安裝，可起到保護(hù)O型圈的作用。油管接頭倒角密封橡膠O型圈是一種連接面處的密封，采用O形圈將其裝配到一個(gè)通過(guò)倒角產(chǎn)生的槽中，然后通過(guò)殼體擠壓來(lái)產(chǎn)生密封。設(shè)計(jì)時(shí)主要考慮橡膠O型圈產(chǎn)品必須進(jìn)行輕微拉伸、壓縮量適當(dāng)減小、填充率適當(dāng)加大。倒角一般為15°~30°，依據(jù)工作壓力選取，壓力大時(shí)，角度要趨近于小值。反之，則取大值。倒角密封因其在接頭與液壓閥之間使用簡(jiǎn)便，操作簡(jiǎn)單，且制作與加工容易等特點(diǎn)，在油管接頭的密封過(guò)程中常被廣泛應(yīng)用。本文著重介紹密封倒角的設(shè)計(jì)及O型圈的選用。橡膠O型圈破壞的重要原因之一是在工作壓力作用下被擠入間隙內(nèi)，此間隙的允許值與工作壓力，橡膠O型圈橡膠硬度及其截面直徑d0大小有關(guān)，O型圈壓縮量的大小能直接影響到密封性能和使用壽命，壓縮量太小，密封效果不好;壓縮量太大。質(zhì)量o型圈!!新能密封o型圈!!按圖生產(chǎn) 廠(chǎng)家直銷(xiāo)。湖北耐高溫O型圈材質(zhì)</p><p style="text-indent:25px">質(zhì)量耐高溫o型圈_新能密封耐高溫o型圈。甘肅加工O型圈</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(diǎn)：·適用于汽車(chē)傳動(dòng)油之中·具良好的抗氧化及抗候性·具抗彎曲變型的功·對(duì)油品有較好的抵抗性·適用于汽車(chē)傳動(dòng)系統(tǒng)及動(dòng)力方向盤(pán)之中缺點(diǎn)：·不適用于熱水之中·不適用于煞車(chē)油之中·不具耐低溫的功能·不適用于磷酸酯之中·汽車(chē)傳動(dòng)系統(tǒng)及動(dòng)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(lèi)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(diǎn)：·耐磨、耐高壓缺點(diǎn)：·不耐高溫·工業(yè)上耐高壓、耐磨密封件，如液壓缸密封件。甘肅加工O型圈</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)型公司。公司業(yè)務(wù)分為密封圈，硅膠按鍵，腳墊，硅橡膠訂制品等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶(hù)提供良好的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于橡塑行業(yè)的發(fā)展。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶(hù)成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: 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