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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="wuvmtag" class="twoCol"><div id="tr3qhi8" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://m.cdcfah.com/cp/second-jxjxysb_zhoucheng/">軸承</a>?<a href="http://m.cdcfah.com/cp/third-zhoucheng_qitacheng/">其他承</a>?重慶81144雙列圓柱滾子系列軸承誠信服務(wù) 無錫哈配機(jī)電設(shè)備供應(yīng)</p><div id="2aegnyz" class="leftbox clearfix"><h1>重慶81144雙列圓柱滾子系列軸承誠信服務(wù) 無錫哈配機(jī)電設(shè)備供應(yīng)</h1><div id="wac3g3j" class="proBig"><div id="22ctpgx" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/13771454137/637346637576416016/9692527.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fj88fuf" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/13771454137/637346637576416016/9692527.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xpwnjq2" 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>重慶81144雙列圓柱滾子系列軸承,雙列圓柱滾子系列軸承</p><p><span>***更新：</span>2021-01-29 13:21:52</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="pmtvh3m" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫哈配機(jī)電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>杜寶成</p><p><span>郵箱: </span>409676305@qq.com</p><p><span>電話: </span>13771454137</p><p><span>傳真: </span>0510_82351957</p><p><span>網(wǎng)址: </span>http://13771454137.shop.88360.com</p><p><span>手機(jī): </span>0510-82351957</p><p><span>地址: </span>惠山大道9號賽格電子市場C區(qū)1C146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="ilht7oa" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zctulmj" class="box"><p><p style="text-indent:25px">圓錐孔雙列圓柱滾子軸承屬于線性接觸軸承,它承載能力和剛度高于點(diǎn)接觸的角接觸軸承，常用于載荷較大，重慶81144雙列圓柱滾子系列軸承、要求剛度較高，而轉(zhuǎn)速相對來說不很高的中、大、重型機(jī)床主軸系統(tǒng)中。雙列圓柱滾子軸承直徑與寬度之比一般在4~7之間，由于雙列圓柱滾子軸承的徑寬比較大，重慶81144雙列圓柱滾子系列軸承，導(dǎo)致在主軸箱孔中和主軸上安裝時的導(dǎo)向性能較差。再者大型機(jī)床零件尺寸和質(zhì)量較大，給裝配工作帶來一定的難度，容易造成安裝軸承時的力量不均勻。以上的種種原因，導(dǎo)致主軸軸承的內(nèi)外圈安裝位置偏移,軸承滾動體與軸承的內(nèi)外圈接觸不良，致使主軸剛度和回轉(zhuǎn)精度降低。檢驗主軸軸承的內(nèi)外圈安裝端正的方法如下:在預(yù)緊軸承內(nèi)圈的過程中，重慶81144雙列圓柱滾子系列軸承，不斷的轉(zhuǎn)動主軸，同時觀察軸承滾動體的轉(zhuǎn)動情況。雙列圓柱滾子軸承使用時有哪些需要注意的地方？重慶81144雙列圓柱滾子系列軸承</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶81144雙列圓柱滾子系列軸承,雙列圓柱滾子系列軸承" src="https://tyunfile.71360.com/UploadFile/13771454137/637346637576416016/9692527.png"></div><p style="text-indent:25px">軸承是當(dāng)代機(jī)械設(shè)備中一種很重要零部件。它的主要功能是支撐機(jī)械旋轉(zhuǎn)體，降低其運(yùn)動過程中的摩擦系數(shù)，并保證其回轉(zhuǎn)精度。按運(yùn)動元件摩擦性質(zhì)的不同，軸承可分為滾動軸承和滑動軸承兩大類。其中滾動軸承已經(jīng)標(biāo)準(zhǔn)化、系列化，但與滑動軸承相比它的徑向尺寸、振動和噪聲較大，價格也較高。滾動軸承一般由外圈、內(nèi)圈、滾動體和保持架四部分組成。按滾動體的形狀，滾動軸承分為球軸承和滾子軸承兩大類。無錫哈配機(jī)電設(shè)備有限公司致力于為客戶打造生態(tài)化互聯(lián)網(wǎng)平臺，為客戶提供一站式整體解決方案。作為我們擁有充足的軸承備貨，且具備專業(yè)的管理、技術(shù)、銷售精英團(tuán)隊，售后服務(wù)體系完善，為我國機(jī)床行業(yè)智能化貢獻(xiàn)力量！揚(yáng)州NN3024K雙列圓柱滾子系列軸承NNU型結(jié)構(gòu):內(nèi)圈無擋邊，外圈有雙擋邊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶81144雙列圓柱滾子系列軸承,雙列圓柱滾子系列軸承" src="https://tyunfile.71360.com/UploadFile/13771454137/637347380704013672/7542850.png"></div><p style="text-indent:25px">機(jī)床主軸常用軸承主要有五大類：深溝球軸承，角接觸球軸承，雙向推力角接觸球軸承，雙列圓柱滾子軸承，圓錐滾子軸承。雙列圓柱滾子軸承這類軸承能承受較大的徑向載荷并允許有較高的轉(zhuǎn)速。軸承中的兩列滾子以交叉方式排列，旋轉(zhuǎn)時波動頻率可比單列軸承提高一倍，振幅降低70％。常用的此類軸承有兩種形式：NN30/W33、NN30K/W33兩個系列軸承內(nèi)圈帶擋邊，外圈可分離；NNU49/W33、NNU49K/W33兩個系列軸承外圈帶擋邊，內(nèi)圈可分離，其中NN30K/W33和NNU49K/W33系列內(nèi)圈為錐孔（錐度1：12），與主軸的錐形軸頸相配合，軸向移動內(nèi)圈，可使內(nèi)圈脹大，以減小軸承游隙甚至預(yù)緊軸承。圓柱孔軸承通常采用熱裝，利用過盈配合減小軸承游隙，或者達(dá)到預(yù)緊的目的。對內(nèi)圈可分離的NNU49系列軸承，一般在內(nèi)圈裝上主軸后再作滾道的精加工，以獲得高的主軸旋轉(zhuǎn)精度。</p><p style="text-indent:25px">辨別雙列圓柱滾子設(shè)備軸承的質(zhì)量，我們可以從以下幾個方面進(jìn)行：是否有雜響：左手握住軸承體內(nèi)套，右手小幅度的往復(fù)撥動外套使其旋轉(zhuǎn)，聽軸承運(yùn)轉(zhuǎn)過程中是否有雜響。由于大部分仿冒產(chǎn)品的生產(chǎn)條件落后，完全手工作坊式操作，在生產(chǎn)過程中軸承體內(nèi)難免會摻進(jìn)灰塵、沙子一類的雜質(zhì)，所以在軸承旋轉(zhuǎn)的時候會出現(xiàn)雜響或者運(yùn)行不順暢的現(xiàn)象。這一點(diǎn)是判斷產(chǎn)品是否出自生產(chǎn)標(biāo)準(zhǔn)嚴(yán)格，并且用機(jī)器操作的正規(guī)廠商的品牌產(chǎn)品的關(guān)鍵。表面是否有渾濁的油跡：表面是否有渾濁的油跡這需要我們在購買進(jìn)口軸承時應(yīng)該特別注意。由于國內(nèi)的防銹技術(shù)與國外先進(jìn)制造國還有一定的差距，因此對軸承體進(jìn)行防銹處理時很容易留下厚厚的油跡，用手接觸時感覺粘粘稠稠的，而國外原裝進(jìn)口的軸承上幾乎看不到任何防銹油的痕跡。據(jù)業(yè)內(nèi)人士介紹，特別細(xì)心的人可以在進(jìn)口軸承上聞到一種特殊的味道，這就是防銹油的味道。雙列圓柱滾子軸承直徑與寬度之比一般在4~7之間。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶81144雙列圓柱滾子系列軸承,雙列圓柱滾子系列軸承" src="https://tyunfile.71360.com/UploadFile/13771454137/637346637439628907/1258155.png"></div><p style="text-indent:25px">辨別雙列圓柱滾子設(shè)備軸承的質(zhì)量，我們可以從以下幾個方面進(jìn)行：外包裝是否明晰：雙列圓錐滾子軸承一般情況下，正規(guī)廠家生產(chǎn)的品牌都有自己專門的設(shè)計人員對外包裝進(jìn)行設(shè)計，并且安排生產(chǎn)條件過關(guān)的工廠進(jìn)行制作生產(chǎn)，因此，產(chǎn)品的包裝無論從線條到色塊都應(yīng)該是非常清晰，毫不含糊。鋼印字是否清晰：每一個軸承產(chǎn)品都會在軸承產(chǎn)品體上印有其品牌字樣、標(biāo)號等。雖然字體非常小，但是正規(guī)廠家生產(chǎn)的產(chǎn)品都采用了鋼印技術(shù)印字，而且在未經(jīng)過熱處理之前就進(jìn)行壓字，因此其字體雖然小，但是凹得深，非常清晰。而通常情況下，仿冒產(chǎn)品的字體非但模糊，由于印字技術(shù)粗糙，字體浮于表面，有些甚至輕易地就可以用手抹去或者手工痕跡嚴(yán)重。雙列圓柱滾子軸承潤滑的目的是什么？揚(yáng)州NN3024K雙列圓柱滾子系列軸承</p><p style="text-indent:25px">向心推力軸承是指產(chǎn)生純徑向位移得徑向分量。重慶81144雙列圓柱滾子系列軸承</p><p style="text-indent:25px">NNCF型軸承內(nèi)圈有3個擋邊，外圈還帶一個擋邊?？梢宰饕粋€方向的軸向定位。外圈在另一端裝有一個卡環(huán)，保持軸承一體?？ōh(huán)是為軸承在搬運(yùn)過程中防止散落的，不能承受軸向負(fù)荷。這類軸承可以承受高的徑向載荷和單向的軸向載荷，因而可以實現(xiàn)軸在一個方向上的軸向定位。而在另一個方向，作為浮動軸承使用。NNC型軸承內(nèi)圈和NNCL、NNCF的內(nèi)圈是相同的，有3個擋邊。軸承的外圈是剖分式的，并由一些部件來固定，因此不可以承受單方向的軸向負(fù)荷。2個剖分的外圈各帶一個擋邊，可以用作兩個方向的軸向定位。軸承可以承受較高的徑向力和雙向的軸向力。重慶81144雙列圓柱滾子系列軸承</p></p><br /><p>文章來源地址: 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