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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="txz2pwd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wanhejmzc/637438818083602376/1740336.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nhjgszq" 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>吉林橡膠O型圈加工定制廠家,橡膠O型圈</p><p><span>***更新：</span>2021-01-04 06:16:17</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="s8rtq3a" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫萬和精密軸承有限公司</a></p><p><span>聯(lián)系人：</span>夏明洋</p><p><span>郵箱: </span>wuxiwanhexiangjiao@163.com</p><p><span>電話: </span>14751531121</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span>http://www.whxs1688.com</p><p><span>手機(jī): </span>0510-83300919</p><p><span>地址: </span>無錫惠山經(jīng)濟(jì)開發(fā)區(qū)玉祁配套區(qū)蓉塘路28號(hào)</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="dskc7nm" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="cw2rlse" class="box"><p><p style="text-indent:25px">橡膠O形圈放入密封溝槽中，一側(cè)或兩側(cè)是要求被密封的流體介質(zhì)。不論是受周圍機(jī)械結(jié)構(gòu)的機(jī)械壓力作用，還是受液壓流體傳遞的壓力作用，彈性體通過變型（彈性的或非彈性的）來補(bǔ)償間隙，吉林橡膠O型圈加工定制廠家，型成“零間隙”，或者說阻止了被其密封的流體的流動(dòng)。橡膠的彈性補(bǔ)償了制造和配合公差，其材料內(nèi)部的彈性記憶是維持密封的重要條件。從較高子角度看，吉林橡膠O型圈加工定制廠家，吉林橡膠O型圈加工定制廠家，橡膠O形圈材料的密封行為類似于黏度很高的流體，它具有把壓力傳遞到與之接觸的表面上的特性。當(dāng)橡膠O形圈裝在溝槽中使其斷面受到一定程度的壓縮（通常為8%-25%）時(shí)，便產(chǎn)生一個(gè)初始接觸應(yīng)力。在大街上，不少機(jī)動(dòng)車的下面也是污油一片。吉林橡膠O型圈加工定制廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林橡膠O型圈加工定制廠家,橡膠O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/wanhejmzc/637438818083602376/1740336.png"></div><p style="text-indent:25px">橡膠o型圈的壓縮量一般是主要決定于o型圈的硬度與材料，如果o型圈的硬度是70度時(shí)，那么o型圈的壓縮量等于20%。那當(dāng)然，o型圈的硬度越低，o型圈的壓縮量就越大，主要用于低壓力的場(chǎng)所。那么o型圈的硬度越高，o型圈的壓縮量就越小，主要用于高壓力、耐壓、阻力小的環(huán)境使用。以此類推，就可以得到你所需要的任何硬度o型圈的壓縮量。選擇橡膠o型圈規(guī)格時(shí)首先要確定好o型圈的材料，目前在工業(yè)零件，生活中o型圈的材料有NBR丁腈橡膠，NR天然橡膠，CR氯丁橡膠，EPDM三元乙丙橡膠，HNBR氫化丁腈橡膠，SILICOME硅膠，F(xiàn)KM，VITON，氟橡膠，F(xiàn)LS硅氟橡膠，PU聚氨酯，SBR丁苯橡膠，Buna丁納橡膠，丙烯酸酯橡膠ACM，PTFE，聚四氟乙烯等等。以上材料各有各的去向與用途，有耐油的，有耐化學(xué)物質(zhì)，有耐高低溫，耐磨等等。吉林橡膠O型圈加工定制廠家將橡膠O型圈套在盡可能靠近的上、下夾具的軸輪上，使試樣不受拉伸應(yīng)力，連接好伸長測(cè)量系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林橡膠O型圈加工定制廠家,橡膠O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/wanhejmzc/637438822951414687/3411583.png"></div><p style="text-indent:25px">橡膠O型圈試樣：（1）標(biāo)準(zhǔn)試樣內(nèi)徑為40mm±0.3mm，截面直徑為3.55mm±0.1mm。試樣數(shù)量為5個(gè)。（2）可采用內(nèi)徑大于40mm的其他尺寸的o型圈，或從o型圈上切取的片段（其長度不小于120mm的線形試樣）進(jìn)行測(cè)定，其結(jié)果不能與標(biāo)準(zhǔn)試樣結(jié)果比較。橡膠O型圈試樣步驟（1）按規(guī)定測(cè)量試樣的截面直徑和內(nèi)徑。若是直線性試樣則按照GB/T528中第4.2.4及4.2.5條的方法進(jìn)行。其工作部分標(biāo)線間距為25mm。（2）將橡膠O型圈套在盡可能靠近的上、下夾具的軸輪上，使試樣不受拉伸應(yīng)力，連接好伸長測(cè)量系統(tǒng)，并調(diào)整零點(diǎn)（即確定o型圈內(nèi)周長的伸長率等于零時(shí)，兩軸輪的中心距）。（3）開動(dòng)機(jī)器以（500±50）mm/min速度拉伸試樣，記錄試樣拉伸到規(guī)定伸長時(shí)的載荷，拉斷時(shí)的載荷及伸長量試驗(yàn)結(jié)果的表示----測(cè)量結(jié)果為5個(gè)，試驗(yàn)結(jié)果取計(jì)算結(jié)果的中位數(shù)，扯斷伸長率取整位數(shù)，定伸應(yīng)力和拉伸強(qiáng)度取一位小數(shù)。</p><p style="text-indent:25px">橡膠O型圈是我們較常見的橡膠制品，它應(yīng)用普遍，生產(chǎn)工藝也比較簡單，應(yīng)用的材質(zhì)較多。O型圈的損壞的大部分原因，并不是來自于橡膠O型圈的設(shè)計(jì)或者是壓力，良好的設(shè)計(jì)如果只是單方面的增大壓力，并不會(huì)造成o型密封圈的損壞，根本的原因是由于工作環(huán)境的高溫高壓下o型密封圈的較久變形以及被擠入間隙時(shí)造成的咬傷。橡膠O型圈是典型的靠擠壓發(fā)生形變而產(chǎn)生的密封效果，安裝時(shí)與密封面產(chǎn)生接觸壓力，當(dāng)壓力大于密封介質(zhì)的壓力時(shí)產(chǎn)生密封效果，小于時(shí)就會(huì)發(fā)生泄漏。那么造成橡膠O型圈較久性變形的原因都有哪些？壓縮量和拉伸量是必不可少的因素。由于橡膠O型圈膠料的配方不同，所以不同企業(yè)生產(chǎn)的橡膠O型圈的壓縮量和拉伸量也不同。產(chǎn)品在長期的壓縮的狀態(tài)下會(huì)產(chǎn)生壓縮的應(yīng)力松弛的想象，這種現(xiàn)象會(huì)隨著時(shí)間逐步的擴(kuò)大，時(shí)間越長壓縮量和拉伸量就會(huì)越小，使其彈性不足導(dǎo)致泄漏現(xiàn)象的出現(xiàn)，較直接的改變方法就是增加產(chǎn)品的截面尺寸，但是也會(huì)導(dǎo)致產(chǎn)品在結(jié)構(gòu)上的增大。低摩擦運(yùn)動(dòng)用O型圈，為了減少摩擦阻力，一般均選取較小的壓縮率，即W=5%-8%。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林橡膠O型圈加工定制廠家,橡膠O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/wanhejmzc/637438821466580721/3063172.png"></div><p style="text-indent:25px">如果是要保存O型圈的話，則應(yīng)盡量避免陽光直射或放置在鍋爐等高溫?zé)嵩锤浇苊獯偈筄型圈提前老化。需要特別說明的是：O型圈在保管時(shí)偶爾會(huì)出現(xiàn)變色的情況，即O型圈表面產(chǎn)生白色粉末，不過大家不用擔(dān)心，這種情況是不會(huì)對(duì)O型圈的功能產(chǎn)生不良影響的。橡膠O型圈保存條件：O型圈在受到外部各種環(huán)境因素的影響，如：扭曲、氧氣、臭氧、光照、熱源、潮濕、油品、或化學(xué)溶劑的影響等，O型圈可能因其物理化學(xué)性質(zhì)的改變而失效。在DIN7716、ISO2230、DIN9088等標(biāo)準(zhǔn)中對(duì)橡膠密封件的儲(chǔ)存、清潔、維護(hù)做了基本的規(guī)定。外資公司利用了主機(jī)合資的優(yōu)勢(shì)，設(shè)置壁壘反抗民族公司的產(chǎn)品進(jìn)入，阻擾中國民族工業(yè)的展開。福建耐酸堿橡膠O型圈定制加工廠家</p><p style="text-indent:25px">薄型制品（斷面厚度小于3mm）的收縮率比厚制品（斷面10mm以上）的收縮率大0.2%---0.6%。吉林橡膠O型圈加工定制廠家</p><p style="text-indent:25px">橡膠O型圈壓縮率W的選擇應(yīng)考慮使用條件，靜密封或動(dòng)密封；靜密封又可分為徑向密封與軸向密封；徑向密封（或稱圓柱靜密封）的泄漏間隙是徑向間隙，軸向密封（或稱平面靜密封）的泄漏間隙是軸向間隙。軸向密封根據(jù)壓力介質(zhì)作用于O形圈的內(nèi)徑還是外徑又分受內(nèi)壓和受外壓兩種情況，內(nèi)壓增加的拉伸，外壓降低O形圈的初始拉伸。上述不同形式的靜密封，密封介質(zhì)對(duì)O形圈的作用方向是不同的，所以預(yù)壓力設(shè)計(jì)也不同。對(duì)于動(dòng)密封則要區(qū)分是往復(fù)運(yùn)動(dòng)密封還是旋轉(zhuǎn)運(yùn)動(dòng)密封。靜密封：圓柱靜密封裝置和往復(fù)運(yùn)動(dòng)式密封裝置一樣，一般取W=10%～15%；平面靜密封裝置取W=15%～30%。吉林橡膠O型圈加工定制廠家</p><p> 無錫萬和橡塑有限公司（原無錫萬和精密軸承有限公司）位于無錫玉祁工業(yè)園區(qū)，是國內(nèi)專業(yè)從事橡膠制品、塑料制品的專業(yè)廠家。公司是集研究開發(fā)、生產(chǎn)、銷售、技術(shù)咨詢于一體的綜合型企業(yè)。公司技術(shù)力量雄厚。擁有國內(nèi)的注塑設(shè)備、模壓設(shè)備、檢測(cè)設(shè)備及橡塑專業(yè)的定制生產(chǎn)設(shè)備。公司可生產(chǎn)制作的原料材質(zhì)有：丁腈膠，三元乙丙膠，丁基膠，氯丁膠，氯醇膠，硅膠，氟膠，聚氨酯，聚四氟乙烯等，塑料有：通用塑料(聚乙烯、聚丙烯、聚氯乙烯、聚苯乙烯、ABS等)，熱固性塑料(酚醛、環(huán)氧樹脂、不飽和聚酯、聚氨酯、有機(jī)硅、氨基樹脂等)，熱固性塑料(酚醛、環(huán)氧樹脂、不飽和聚酯、聚氨酯、有機(jī)硅、氨基樹脂等)，熱塑性工程塑料(聚酰胺PA、聚碳酸酯、聚甲醛、PET、PBT等塑料)。共兩大系列200多個(gè)品種。產(chǎn)品可廣泛應(yīng)用于化工、印染、顏料、儲(chǔ)運(yùn)、電廠、稀土、冶金、電子、環(huán)保、制藥、釀造、電機(jī)、氣動(dòng)、汽車等行業(yè)。公司可根據(jù)客戶提供的溫度、使用條件等不同為客戶選擇的使用原料、來達(dá)到客戶的滿意。經(jīng)過十余年的經(jīng)營，公司產(chǎn)品和服務(wù)贏得了諸多的合作和好評(píng)。歡迎各位客戶蒞臨本廠指導(dǎo)工作和商談合作、共同發(fā)展?。?！ </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2697111.html</p></div></div></div></div></div><div id="lkwyf77" class="page-right twoColRt"><div id="p3u87c7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="udskh8f" class="recomPic likePro"><a 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