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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jy23spg" 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)品關鍵詞：</span>南京NN3008K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>2020-10-30 07:20:38</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="8mewyv7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫哈配機電設備有限公司</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: </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="aemnu7a" class="page-proshow02"><p class="title">詳細說明</p><div id="yduzgsz" class="box"><p><p style="text-indent:25px">SKF的滿裝圓柱滾子軸承是為了承受重載荷而設計的。在同樣寬度下，這種軸承與帶保持架軸承相比，可容納較多的滾子，具有極高的承載能力；但其允許的轉速遠低于帶保持的圓柱滾子軸承。滿裝的雙列圓柱滾子軸承有4種結構型式，3種開式結構和1種帶密封結構。所有的產(chǎn)品都是非分離型設計，外圈都帶有潤滑槽和潤滑油孔，方便潤滑。 NNCL型軸承內圈有3個擋邊，外圈無擋邊。外圈**有一個固定環(huán)在兩組滾子之間，可以防止?jié)L子竄出并保持軸承一體。NNCL型軸承可以允許因熱膨脹或軸與軸承座之間有一定的軸向位移，南京NN3008K雙列圓柱滾子系列軸承。這個位移量是在軸承內部發(fā)生，而不是在內圈與軸或外圈與軸承座。因此軸承在轉動過程中，摩擦并沒有增加。這個類型的軸承適宜用作浮動端軸承，南京NN3008K雙列圓柱滾子系列軸承，南京NN3008K雙列圓柱滾子系列軸承。軸承的外圈是無擋邊的，所以這個結構的產(chǎn)品只能承受徑向負荷，不能承受軸向負荷。雙列圓柱滾子軸承直徑與寬度之比一般在4~7之間。南京NN3008K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="南京NN3008K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/13771454137/637346637543564453/235286.png"></div><p style="text-indent:25px">常用的圓柱滾子軸承有以下幾種形式：單列圓柱滾子軸承：單列圓柱滾子軸承是可分離軸承，便于安裝和拆卸，兩個套圈都可以采用緊配合，修正的滾子和滾道之間的接觸線可以減小應力集中。雙列圓柱滾子軸承：雙列圓柱滾子軸承屬于游動軸承，其可分離性使安裝和拆卸很方便。兩個套圈均可以采用緊配合。雙列圓柱滾子軸承幾乎不允許有傾斜角。 N型軸承的外圈無擋邊，內圈的兩側有擋邊?？梢栽试S軸相對軸承座之間在軸向兩個方向上的位移。NU型的軸承外圈兩側有擋邊，內圈無擋邊。也可以允許軸相對軸承座之間在軸向兩個方向上的位移。因此,該類結構適用于作為游動端軸承使用。蘇州81116雙列圓柱滾子系列軸承機械NNU型結構:內圈無擋邊，外圈有雙擋邊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京NN3008K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/13771454137/637346637606533203/3464443.png"></div><p style="text-indent:25px">圓錐孔雙列圓柱滾子軸承屬于線性接觸軸承,其承載能力和剛度高于點接觸的角接觸軸承，常用于載荷較大、要求剛度較高，而轉速相對來說不很高的中、大、重型機床主軸系統(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，導致在主軸箱孔中和主軸上安裝時的導向性能較差。再者大型機床零件尺寸和質量較大，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，導致主軸軸承的內外圈安裝位置偏移,軸承滾動體與軸承的內外圈接觸不良，致使主軸剛度和回轉精度降低。檢驗主軸軸承的內外圈安裝端正的方法如下:在預緊軸承內圈的過程中，不斷的轉動主軸，同時觀察軸承滾動體的轉動情況。</p><p style="text-indent:25px">辨別雙列圓柱滾子設備軸承的質量，我們通常從以下幾個方面進行：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口軸承時應該特別注意。由于國內的防銹技術與國外先進制造國還有一定的差距，因此對軸承體進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，而國外原裝進口的軸承上幾乎看不到任何防銹油的痕跡。據(jù)業(yè)內人士介紹，特別細心的人可以在進口軸承上聞到一種特殊的味道，這就是防銹油的味道。倒角是否均勻：所謂軸承的倒角，也就是橫面與豎面的交接處，仿冒的軸承產(chǎn)品由于生產(chǎn)技術的限制，在這些邊邊角角的部位處理得不盡人意，這一點我們可以輕松辨別軸承的工作間隱或予載荷取決于轉速、負載、潤滑、剛度、溫及軸承座的精度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京NN3008K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">內圈或外圈無擋邊的圓柱滾子軸承，其內圈和外圈可以向軸向作相對移動，所以可以作為自由端軸承使用。在內圈和外圈的某一側有雙擋邊，另一側的套圈有單個擋邊的圓柱滾子軸承，可以承受一定程度的一個方向軸向負荷。一般使用鋼板沖壓保持架，或銅合金車制實體保持架。但也有一部分使用聚酰胺成形保持架。圓柱滾子軸承特點： 1. 滾子與滾道為線接觸或修下線接觸，徑向承載能力大，適用于承受重負荷與沖擊負荷。 2. 摩擦系數(shù)小，適合高速，極限轉速接近深溝球軸承。 3. N型及NU型可軸向移動，能適應因熱膨脹或安裝誤差引起的軸與外殼相對位置的變化，可作自由端支承使用。 4. 對軸或座孔的加工要求較高，軸承安裝后外圈軸線相對偏斜要嚴加控制，以免造成接觸應力集中。 5. 內圈或外圈可分離，便于安裝和拆卸雙列圓柱滾子軸承軸承具有結構緊湊、剛性大、承載能力大、受負荷后變形小等優(yōu)點。蘇州81116雙列圓柱滾子系列軸承機械</p><p style="text-indent:25px">雙列圓柱滾子軸承的安裝是否正確，影響著精度、壽命、性能。南京NN3008K雙列圓柱滾子系列軸承</p><p style="text-indent:25px">雙列圓柱滾子軸承雙列圓柱滾子軸承有圓柱和圓錐孔（后置代號K）兩種結構。主要有2種類型：NNU設計和NN設計。NN型設計內圈雙擋邊而外圈無擋邊。NNU型設計內圈無擋邊而外圈有雙擋邊。圓錐孔結構可以在安裝時，起到調整徑向游隙的作用。雙列圓柱滾子軸承允許軸與軸承座之間存在一定的的軸向位移，可以被用作非定位軸承。該類軸承具有結構緊湊、剛性大、承載能力大、受載后變形小等優(yōu)點，特別適用于機床主軸支承。雙列圓柱滾子軸承的保持架多采用車制實體保持架。南京NN3008K雙列圓柱滾子系列軸承</p><p style="text-indent:25px">無錫哈配機電設備有限公司專注技術創(chuàng)新和產(chǎn)品研發(fā)，發(fā)展規(guī)模團隊不斷壯大。公司目前擁有較多的高技術人才，以不斷增強企業(yè)重點競爭力，加快企業(yè)技術創(chuàng)新，實現(xiàn)穩(wěn)健生產(chǎn)經(jīng)營。公司業(yè)務范圍主要包括：j精密機床軸承，角接觸球軸承，圓柱滾子軸承，深溝球軸承等。公司奉行顧客至上、質量為本的經(jīng)營宗旨，深受客戶好評。公司力求給客戶提供全數(shù)良好服務，我們相信誠實正直、開拓進取地為公司發(fā)展做正確的事情，將為公司和個人帶來共同的利益和進步。經(jīng)過幾年的發(fā)展，已成為j精密機床軸承，角接觸球軸承，圓柱滾子軸承，深溝球軸承行業(yè)出名企業(yè)。</p></p><br /><p>文章來源地址: 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