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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>福建防靜電O型圈銷售廠家,O型圈</p><p><span>***更新：</span>2020-09-14 00:17:57</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="3krtfzl" 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(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] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="yc2ymt3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="owvc2yt" class="box"><p><p> O型圈用于旋轉(zhuǎn)運(yùn)動(dòng)存在的主要問(wèn)題是焦耳熱效應(yīng)。焦耳熱效應(yīng)使高速的旋轉(zhuǎn)軸與O型圈的接觸處產(chǎn)生磨擦熱，生成的熱量使這些接觸部位的溫度不斷上升，橡膠材料受熱嚴(yán)重變形，壓縮量與伸長(zhǎng)量發(fā)生變化的現(xiàn)象。發(fā)熱還加速密封材料老化，降低了O型圈的使用壽命；破壞密封油膜，由此引起斷油現(xiàn)象，加速密封的磨損?；谏鲜銮闆r，近年來(lái)國(guó)內(nèi)外旋轉(zhuǎn)運(yùn)動(dòng)用O型圈進(jìn)行了深入的研究。為了避免出現(xiàn)焦耳熱效應(yīng)，關(guān)鍵在于根據(jù)橡膠的性能來(lái)正確地選擇設(shè)計(jì)O型圈的結(jié)構(gòu)參數(shù)，主要是O型圈的拉伸量和壓縮率。根據(jù)實(shí)驗(yàn)，福建防靜電O型圈銷售廠家，將旋轉(zhuǎn)運(yùn)動(dòng)用O型圈設(shè)計(jì)成內(nèi)徑與旋轉(zhuǎn)軸直徑相等或稍大些，一般大3%~5%，在安裝O型圈時(shí)，從內(nèi)徑向里壓縮，并將斷面的壓縮量也設(shè)計(jì)得小一些，一般約為5%，福建防靜電O型圈銷售廠家。并且，盡量采用受熱量影響小的密封材料，充分考慮O型圈安裝處的散熱問(wèn)題。這樣就使O型圈的工作情況大為改善，可應(yīng)用于轉(zhuǎn)速達(dá)4m/s的旋轉(zhuǎn)軸的密封。近年來(lái)又出現(xiàn)了耐熱氟橡膠和耐磨聚氨酯橡膠，并且對(duì)橡膠元件工作的焦耳熱效應(yīng)有了更深入的了解，福建防靜電O型圈銷售廠家，并針對(duì)此問(wèn)題研究解決方案，設(shè)計(jì)出了新的O型圈密封結(jié)構(gòu)，使O型圈能夠更好的應(yīng)用與高速、高壓的旋轉(zhuǎn)運(yùn)動(dòng)。O形密封圈由于其具有體積小。抗老化O型圈使用壽命長(zhǎng)的進(jìn)口O型密封圈。福建防靜電O型圈銷售廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建防靜電O型圈銷售廠家,O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328528197861328/8442229.png"></div><p> O型圈的使用O型圈在多種液壓、氣動(dòng)件管接頭、圓筒面及法蘭面等結(jié)合處被使用。對(duì)于在運(yùn)動(dòng)過(guò)程中使用的O型圈，當(dāng)工作壓力大于，如單向受壓，就在O型圈受壓力方向的另一側(cè)設(shè)置一個(gè)擋圈;如雙向受壓，則在O型圈兩側(cè)各放一個(gè)擋圈。為了減小摩擦力，也可采用楔型擋圈。當(dāng)壓力液體從左方施加作用時(shí)，右方擋圈被推起，左方擋圈不與被密封表面接觸，因此摩擦力減小?？偟膩?lái)說(shuō)，采用擋圈會(huì)增大密封裝置的摩擦力，而楔型擋圈對(duì)減小這種摩擦力具有十分重要的意義。對(duì)于固定用的O型圈，當(dāng)工作壓力大于32Mpa時(shí)，也需要使用擋圈。O型圈的安裝O型圈的安裝質(zhì)量對(duì)其密封性和使用壽命均有重要的影響。泄漏問(wèn)題往往是因?yàn)榘惭b不良而造成的。安裝過(guò)程中不允許出現(xiàn)O型圈被劃傷和位置安裝不正，以及O型圈被扭曲等情況。裝配前，密封溝槽、密封配合面必須嚴(yán)格清洗;同時(shí)對(duì)O型圈裝配中要通過(guò)的表面涂敷潤(rùn)滑脂。為了防止O型圈在安裝時(shí)被尖角和螺紋等銳邊切傷或劃傷，應(yīng)在安裝的軸端和孔端留有15o~30o的引入角。當(dāng)O型圈需通過(guò)外螺紋時(shí)，應(yīng)使用**的薄壁金屬導(dǎo)套，套住外螺紋;如果O型圈需通過(guò)孔口時(shí)，應(yīng)使孔口倒成相應(yīng)的斜角形狀，以防O型圈被劃傷。福建防靜電O型圈銷售廠家o型密封圈規(guī)格齊全-氟膠o型圈-密封件生產(chǎn)廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建防靜電O型圈銷售廠家,O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328528407451172/9437680.png"></div><p> 硅膠O型圈有很好的電絕緣性能。抗拉力強(qiáng)度較一般橡膠差且不具耐油性，硅膠的耐溫范圍溫：-43~210℃，突出的優(yōu)點(diǎn)是擁有優(yōu)良的耐高溫、抗靜電性能，而且通過(guò)特殊配方工藝，可以生產(chǎn)成食品級(jí)材質(zhì)優(yōu)點(diǎn)：1、調(diào)制配方后抗張強(qiáng)度可達(dá)到500PSI及抗斯性可達(dá)88LBS。2、良好及具良好的壓縮變形。3、對(duì)中性溶劑具有良好的抵抗性。4、具較好的抗熱性。5、具較好的抗寒性。6、對(duì)于臭氧及氧化物的侵蝕具較好的抵抗力。缺點(diǎn)：1、不建議使用于大部分厚縮的溶劑、油品、厚縮酸及經(jīng)稀釋后的氫氧化鈉之中。2、電子行業(yè)的密封件或橡膠零件，如手機(jī)按鍵、DVD內(nèi)的減震墊、電纜線接慶內(nèi)的密封件等。硅橡膠O型圈應(yīng)用它既可以耐高溫也可以耐低溫，同時(shí)在密封性上和介電性上都有很好的特性，因此硅橡膠O型圈常用語(yǔ)制作各種密封件、高壓電線電纜、高低溫硅橡膠制品的膠管等，同時(shí)因?yàn)楣柘鹉zO型圈具備了硅橡膠制品的無(wú)毒無(wú)色無(wú)味的特性，因此也可以用于食品以及醫(yī)療行業(yè)。缺點(diǎn)硅橡膠O型圈的價(jià)格相對(duì)于其他硅橡膠制品比較昂貴，同時(shí)在耐腐蝕性上也不如其他的硅橡膠制品，在耐酸耐堿耐化學(xué)溶劑上面稍顯不足，在機(jī)械拉伸方面強(qiáng)度也比較低。 </p><p> 扭曲損傷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，由于造成O型圈在一周多受的摩擦力不均勻，O型圈的某些部分摩擦過(guò)大，發(fā)生扭曲。通常，斷面尺寸較小的O型圈，容易產(chǎn)生摩擦不均勻。造成扭曲（運(yùn)動(dòng)用O型圈比固定用O型圈的斷面直徑大就是這個(gè)道理。）另外，由于密封溝槽存在著同軸度偏差，密封高度不相等以及O型圈截面直徑不均勻等現(xiàn)象，可能使得O型圈的一部分壓縮過(guò)大，另一部分過(guò)小或不受壓縮。當(dāng)溝槽存在偏心即同軸偏差大于O型圈的壓縮量時(shí)，密封會(huì)完全失效。密封溝槽同軸度偏差大的另一個(gè)害處是使O形密封圈沿圓周壓縮不均。此外還有由于O型圈截面直徑、材質(zhì)硬度、潤(rùn)滑油膜厚度等的不均以及密封軸表面粗糙度等因素的影響，導(dǎo)致O型圈的一部分沿工件表面滑動(dòng)，另一部分則發(fā)生滾動(dòng)，從而造成O型圈的扭曲。運(yùn)動(dòng)使圈很容易因扭曲而損壞，這是密封裝置發(fā)生損壞和泄漏的重要原因。因此提高密封溝槽的加工精密度以及減小偏心是保證O型圈具有可靠的密封性和壽命的重要因素。安裝密封圈不應(yīng)是它處于扭曲狀態(tài)。假如在安裝時(shí)就被扭曲，則扭曲損傷就會(huì)很快發(fā)生。在工作中，扭曲現(xiàn)象會(huì)將O型圈切斷，產(chǎn)生大量漏油。標(biāo)準(zhǔn)件-耐低溫O型圈-耐熱耐寒O型圈。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建防靜電O型圈銷售廠家,O型圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/sfgxjbm/637328528049404297/8635313.png"></div><p> O形密封圈適用于裝在各種機(jī)械設(shè)備上，在規(guī)定的溫度、壓力、以及不同的液體和氣體介質(zhì)中，于靜止或運(yùn)動(dòng)狀態(tài)下起密封作用。O型圈也有其優(yōu)勢(shì)：--適合多種密封形式：靜態(tài)密封、動(dòng)態(tài)密封適合各種用途材料，尺寸和溝槽都已標(biāo)準(zhǔn)化，互換性強(qiáng)--適合多種運(yùn)動(dòng)方式：旋轉(zhuǎn)運(yùn)動(dòng)、軸向往復(fù)運(yùn)動(dòng)或組合運(yùn)動(dòng)（例如旋轉(zhuǎn)往復(fù)組合運(yùn)動(dòng)）--適合多種不同的密封介質(zhì)：油、水、氣、化學(xué)介質(zhì)或其它混合介質(zhì)通過(guò)選用合適的橡膠材料和適當(dāng)?shù)呐浞皆O(shè)計(jì)，實(shí)現(xiàn)對(duì)油、水、空氣、煤氣及各種化學(xué)介質(zhì)有效的密封作用。溫度使用范圍廣（－60℃～+220℃），固定使用時(shí)壓力可達(dá)1500Kg/cm2(與補(bǔ)強(qiáng)環(huán)并用)。--設(shè)計(jì)簡(jiǎn)單，結(jié)構(gòu)小巧，裝拆方便O形圈斷面結(jié)構(gòu)極其簡(jiǎn)單，且有自密封作用，密封性能可靠由于O形圈本身及安裝部位結(jié)構(gòu)都極其簡(jiǎn)單，且已形成標(biāo)準(zhǔn)化，因此安裝更換都非常容易。阻燃o(jì)型圈進(jìn)口_商品批發(fā)價(jià)格。徐州電子產(chǎn)品O型圈訂做</p><p style="text-indent:25px">O型圈_蘇州思飛硅橡膠制品有限公司。福建防靜電O型圈銷售廠家</p><p> 硬度選擇O形圈硬度的選擇是比較重要的。如某電站水泵水輪機(jī)硬度為70（Shore）密封圈，常常剝落，甚至橫向切斷，后采用85～90（Shore）的密封圈，效果理想。硬度低，安裝方便，但容易出現(xiàn)剝落、安裝損傷、擠出甚至壓力。硬度過(guò)高，安裝不方便。通常O形圈硬度40～90IRHD，但在使用中一般70IRHD是比較合適的，對(duì)于硅橡膠是例外，一般使用60IRHD。.O形圈的修整未硫化O形圈膠料在高溫、壓力下為粘稠流體，而到了模壓硫化階段，膠料迅速充滿模腔，其多余的部分(為了防止缺膠，填充在模腔中的膠料，肯定保持一定的過(guò)量)溢出硫化，便形成了溢膠(也稱廢邊、飛邊)。溢邊一旦形成，為使外觀整齊、美觀，必須除去，這一工序習(xí)稱修邊。對(duì)修邊的要求是尺寸精確、外觀整齊。在實(shí)際生產(chǎn)中。產(chǎn)品的修邊往往費(fèi)時(shí)、耗工，對(duì)于要求嚴(yán)的產(chǎn)品，在修邊時(shí)稍有不慎即可能出廢次，必須謹(jǐn)慎對(duì)待。一般來(lái)說(shuō)，產(chǎn)品的尺寸規(guī)格越小、構(gòu)形越復(fù)雜，修邊的難度越高，廢品也越多。福建防靜電O型圈銷售廠家</p><p style="text-indent:25px">蘇州思飛硅橡膠制品有限公司是一家加工、銷售：新能源硅膠制品、模壓硅膠制品、電子、汽車、生活美容硅膠制品、密封圈、腳墊、按鍵等硅膠制品、橡膠密封制品、橡膠配件制品；銷售：模具、海綿、珍珠棉、絕緣材料；自營(yíng)和代理各類商品及技術(shù)的進(jìn)出口業(yè)務(wù).的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。蘇州思飛作為加工、銷售：新能源硅膠制品、模壓硅膠制品、電子、汽車、生活美容硅膠制品、密封圈、腳墊、按鍵等硅膠制品、橡膠密封制品、橡膠配件制品；銷售：模具、海綿、珍珠棉、絕緣材料；自營(yíng)和代理各類商品及技術(shù)的進(jìn)出口業(yè)務(wù).的企業(yè)之一，為客戶提供良好的密封圈，硅膠按鍵，腳墊，硅橡膠訂制品。蘇州思飛不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。蘇州思飛始終關(guān)注橡塑市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1269989.html</p></div></div></div></div></div><div id="pne278r" class="page-right twoColRt"><div id="7ryam3x" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="t80iya7" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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