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class="pic"><img src="https://tyunfile.71360.com/UploadFile/13771454137/637346637420458985/2608637.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ljls3oq" 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>NNU4920K/W33雙列圓柱滾子系列軸承小型,雙列圓柱滾子系列軸承</p><p><span>***更新：</span>2020-11-15 01:15:37</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="e7m2zbi" 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(hào)賽格電子市場(chǎng)C區(qū)1C146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="efxprda" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ztg3ld7" class="box"><p><p style="text-indent:25px">雙列圓柱滾子軸承內(nèi)圈的拆卸，可以用壓力機(jī)拔出。此時(shí)，要注意讓內(nèi)圈承受其拔力，NNU4920K/W33雙列圓柱滾子系列軸承小型。再者，所示的拔拉卡具也多為使用，無論那種卡具，其都必須牢牢地卡在內(nèi)圈側(cè)面。為此，需要考慮軸擋肩的尺寸，或研究在擋肩處加工上溝，以便使用拉拔卡具。大型軸承的內(nèi)圈拆卸采用油壓法。通過設(shè)置在軸承的油孔加以油壓，NNU4920K/W33雙列圓柱滾子系列軸承小型，以使易于拉拔，NNU4920K/W33雙列圓柱滾子系列軸承小型。寬度大的軸承則油壓法與拉拔卡具并用，進(jìn)行拆卸作業(yè)。圓柱滾子軸承的內(nèi)圈拆卸可以利用感應(yīng)加熱法。在短時(shí)間內(nèi)加熱局部，使內(nèi)圈膨脹后拉拔的方法。需要安裝大批這類軸承內(nèi)圈的場(chǎng)合，也使用感應(yīng)加熱法。雙列圓柱滾子軸承直徑與寬度之比一般在4~7之間。NNU4920K/W33雙列圓柱滾子系列軸承小型</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="NNU4920K/W33雙列圓柱滾子系列軸承小型,雙列圓柱滾子系列軸承" src="https://tyunfile.71360.com/UploadFile/13771454137/637346637420458985/2608637.png"></div><p style="text-indent:25px">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(shí)波動(dòng)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(gè)系列軸承內(nèi)圈帶擋邊，外圈可分離；NNU49/W33、NNU49K/W33兩個(gè)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(dòng)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(duì)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。NNU4920K/W33雙列圓柱滾子系列軸承小型高精度圓柱滾子軸承主要用于機(jī)床、軋機(jī)架、塑料滾筒、磨床以及大型齒輪箱。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="NNU4920K/W33雙列圓柱滾子系列軸承小型,雙列圓柱滾子系列軸承" src="https://tyunfile.71360.com/UploadFile/13771454137/637347380842792969/501422.png"></div><p style="text-indent:25px">雙列圓柱滾子軸承的潤(rùn)滑分為脂潤(rùn)滑和油潤(rùn)滑。為了使軸承很好地發(fā)揮機(jī)能，首先，要選擇適合使用條件、使用目的的潤(rùn)滑方法。若只考慮潤(rùn)滑，油潤(rùn)滑的潤(rùn)滑性占優(yōu)勢(shì)。但是，脂潤(rùn)滑有可以簡(jiǎn)化軸承周圍結(jié)構(gòu)的特長(zhǎng)，將脂潤(rùn)滑和油潤(rùn)滑的利弊比較。軸承壽命在一定載荷作用下，軸承在出現(xiàn)點(diǎn)蝕前所經(jīng)歷的轉(zhuǎn)數(shù)或小時(shí)數(shù)，稱為軸承壽命。滾動(dòng)軸承之壽命以轉(zhuǎn)數(shù)（或以一定轉(zhuǎn)速下的工作的小時(shí)數(shù)）定義：在此壽命以內(nèi)的軸承，應(yīng)在其任何軸承圈或滾動(dòng)體上發(fā)生初步疲勞損壞（剝落或缺損）。然而無論在實(shí)驗(yàn)室試驗(yàn)或在實(shí)際使用中，都可明顯的看到，在同樣的工作條件下的外觀相同軸承，實(shí)際壽命大不相同。此外還有數(shù)種不同定義的軸承“壽命”，其中之一即所謂的“工作壽命”，它表示某一軸承在損壞之前可達(dá)到的實(shí)際壽命是由磨損、損壞通常并非由疲勞所致，而是由磨損、腐蝕、密封損壞等原因造成。</p><p style="text-indent:25px">雙列圓柱滾子軸承清洗需要注意哪些方面？將雙列圓柱滾子軸承拆下檢查時(shí)，先用攝影等方法做好外觀記錄。另外，要確認(rèn)剩余潤(rùn)滑劑的量并對(duì)潤(rùn)滑劑采樣，然后再清洗軸承。 a、軸承的清洗分粗洗和精洗進(jìn)行，并可在使用的容器底部放上金屬網(wǎng)架。 b、粗洗時(shí)，在油中用刷子等清掃潤(rùn)滑脂或粘著物。此時(shí)若在油中轉(zhuǎn)動(dòng)軸承，注意會(huì)因異物等損傷滾動(dòng)面。 c、精洗時(shí)，在油中慢慢轉(zhuǎn)動(dòng)軸承，須仔細(xì)地進(jìn)行。通常使用的清洗劑為中性不含水柴油或煤油，根據(jù)需要有時(shí)也使用溫性堿液等。不論用哪種清洗劑，都要經(jīng)常過濾保持清潔。清洗后，立即在軸承上涂布防銹油或防銹脂。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="NNU4920K/W33雙列圓柱滾子系列軸承小型,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">軸承是用來支撐的部件，也是用來支承軸上回轉(zhuǎn)的零件，作為當(dāng)代機(jī)械重要零件，應(yīng)用普遍。雙列圓柱滾子軸承是軸承的其中一種。下面，我們就來介紹下軸承常見的幾種性能： 1. 調(diào)心性能：軸中心線相對(duì)軸承座孔中心線傾斜時(shí)，軸承仍能正常工作。雙列向心球面球軸承和雙列向心球面滾子軸承具有良好的調(diào)心性能。滾軸承工作轉(zhuǎn)速應(yīng)低于極限轉(zhuǎn)速。選用高精度軸承、改善保持架結(jié)構(gòu)和材料、采用油霧潤(rùn)滑、改善冷卻條件等，都可以提高極限轉(zhuǎn)速。 2. 潤(rùn)滑性能：軸承的潤(rùn)滑目有減少軸承內(nèi)部摩擦及磨損，防止燒粘；延長(zhǎng)其使用壽命；排出摩擦熱、冷卻，防止軸承過熱，防止?jié)櫥妥陨砝匣?；也有防止異物侵入軸承內(nèi)部，或防止生銹、腐蝕之效果。圓柱滾子軸承根據(jù)裝用滾動(dòng)體的列數(shù)不同，可以分為單列、雙列和多列圓柱滾子軸承等不同結(jié)構(gòu)。NNU4920K/W33雙列圓柱滾子系列軸承小型</p><p style="text-indent:25px">圓柱滾子軸承能承受較大的徑向負(fù)荷并適用于在高速運(yùn)轉(zhuǎn)場(chǎng)合下使用。NNU4920K/W33雙列圓柱滾子系列軸承小型</p><p style="text-indent:25px">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(tái)，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(duì)，售后服務(wù)體系完善，為我國(guó)機(jī)床行業(yè)智能化貢獻(xiàn)力量！HBB精密滾珠絲杠球軸承是一種接觸角為60°的單向推力角接觸球軸承，高精度、高轉(zhuǎn)速、高軸向剛度、低摩擦、長(zhǎng)壽命以及瞬時(shí)高低速轉(zhuǎn)換性能好等特點(diǎn)，具有更突出的特點(diǎn)，更適合由于機(jī)床，電動(dòng)注塑機(jī)等輸送機(jī)構(gòu)，高精度要求。具有安裝簡(jiǎn)單，使用方便，工作可靠特點(diǎn)。NNU4920K/W33雙列圓柱滾子系列軸承小型</p><p style="text-indent:25px">無錫哈配機(jī)電設(shè)備有限公司位于惠山大道9號(hào)賽格電子市場(chǎng)C區(qū)1C146號(hào)，是一家專業(yè)的主要精密機(jī)床主軸軸承，電主軸。高速電機(jī)軸承，電機(jī)，機(jī)械設(shè)備，潤(rùn)滑油，聯(lián)軸器，絲桿導(dǎo)軌，機(jī)床配件。五金產(chǎn)品。NSK.NTN.SKF.FAG,INA,TIMKEN.FYH,NACHI,TWB,HRB,HBB公司。NSK,NTN,SKF,FAG,INA,HRB,HBB是無錫哈配機(jī)電設(shè)備有限公司的主營(yíng)品牌，是專業(yè)的主要精密機(jī)床主軸軸承，電主軸。高速電機(jī)軸承，電機(jī)，機(jī)械設(shè)備，潤(rùn)滑油，聯(lián)軸器，絲桿導(dǎo)軌，機(jī)床配件。五金產(chǎn)品。NSK.NTN.SKF.FAG,INA,TIMKEN.FYH,NACHI,TWB,HRB,HBB公司，擁有自己**的技術(shù)體系。我公司擁有強(qiáng)大的技術(shù)實(shí)力，多年來一直專注于主要精密機(jī)床主軸軸承，電主軸。高速電機(jī)軸承，電機(jī)，機(jī)械設(shè)備，潤(rùn)滑油，聯(lián)軸器，絲桿導(dǎo)軌，機(jī)床配件。五金產(chǎn)品。NSK.NTN.SKF.FAG,INA,TIMKEN.FYH,NACHI,TWB,HRB,HBB的發(fā)展和創(chuàng)新，打造高指標(biāo)產(chǎn)品和服務(wù)。自公司成立以來，一直秉承“以質(zhì)量求生存，以信譽(yù)求發(fā)展”的經(jīng)營(yíng)理念，始終堅(jiān)持以客戶的需求和滿意為重點(diǎn)，為客戶提供良好的j精密機(jī)床軸承，角接觸球軸承，圓柱滾子軸承，深溝球軸承，從而使公司不斷發(fā)展壯大。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1991748.html</p></div></div></div></div></div><div id="qoqipmo" class="page-right 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