CSK264-AP

CSK264AP-SG10

主要產(chǎn)品：日本東方馬達(dá)，韓國DKM減速電機(jī)，泰映TROY減速電機(jī)，韓國SPG小功率

馬達(dá)，CPG晟邦減速電機(jī) ...

銷售熱線: 180-6090-9625/0592-6013512

聯(lián)系人：蘭工

      QQ: 869740621

減速機(jī)技術(shù)資料：

蝸輪減速機(jī)常見問題分析
     蝸輪蝸桿減速機(jī)作為一個(gè)傳統(tǒng)的傳動(dòng)裝置，內(nèi)部是渦輪蝸桿，齒形是漸開線的。很多的蝸輪減速機(jī)使用者對(duì)蝸輪減速機(jī)的了解情況是少之又少的，更不要說對(duì)于一些常見問題的分析了，下面我們就和大家一起來了解下蝸輪減速機(jī)常見問題分析。

一、常見問題及其原因

1．減速機(jī)發(fā)熱和漏油。為了提高效率，蝸輪減速機(jī)一般均采用有色金屬做蝸輪，蝸桿則采用較硬的鋼材。由于是滑動(dòng)摩擦傳動(dòng)，運(yùn)行中會(huì)產(chǎn)生較多的熱量，使減速機(jī)各零件和密封之間熱膨脹產(chǎn)生差異，從而在各配合面形成間隙，潤滑油液由于溫度的升高變稀，易造成泄漏。 造成這種情況的原因主要有四點(diǎn)，一是材質(zhì)的搭配不合理；二是嚙合摩擦面表面的質(zhì)量差；三是潤滑油添加量的選擇不正確；四是裝配質(zhì)量和使用環(huán)境差。

2．蝸輪磨損。蝸輪一般采用錫青銅，配對(duì)的蝸桿材料用45鋼淬硬至HRC4555，或40Cr淬硬HRC5055后經(jīng)蝸桿磨床磨削至粗糙度Ra0.8μm。減速機(jī)正常運(yùn)行時(shí)磨損很慢，某些減速機(jī)可以使用10年以上。如果磨損速度較快，就要考慮選型是否正確，是否超負(fù)荷運(yùn)行，以及蝸輪蝸桿的材質(zhì)、裝配質(zhì)量或使用環(huán)境等原因。

3．傳動(dòng)小斜齒輪磨損。一般發(fā)生在立式安裝的減速機(jī)上，主要與潤滑油的添加量和油品種有關(guān)。立式安裝時(shí)，很容易造成潤滑油量不足，減速機(jī)停止運(yùn)轉(zhuǎn)時(shí)，電機(jī)和減速機(jī)間傳動(dòng)齒輪油流失，齒輪得不到應(yīng)有的潤滑保護(hù)。減速機(jī)啟動(dòng)時(shí)，齒輪由于得不到有效潤滑導(dǎo)致機(jī)械磨損甚至損壞。

4．蝸桿軸承損壞。發(fā)生故障時(shí)，即使減速箱密封良好，還是經(jīng)常發(fā)現(xiàn)減速機(jī)內(nèi)的齒輪油被乳化，軸承生銹、腐蝕、損壞。這是因?yàn)闇p速機(jī)在運(yùn)行一段時(shí)間后，齒輪油溫度升高又冷卻后產(chǎn)生的凝結(jié)水與水混合。當(dāng)然，也與軸承質(zhì)量及裝配工藝密切相關(guān)。

二、解決方法

1．保證裝配質(zhì)量。可購買或自制一些專用工具，拆卸和安裝減速機(jī)部件時(shí)，盡量避免用錘子等其他工具敲擊；更換齒輪、蝸輪蝸桿時(shí)，盡量選用原廠配件和成對(duì)更換；裝配輸出軸時(shí)，要注意公差配合；要使用防粘劑或紅丹油保護(hù)空心軸，防止磨損生銹或配合面積垢，維修時(shí)難拆卸。

2．潤滑油和添加劑的選用。蝸齒減速機(jī)一般選用220#齒輪油，對(duì)重負(fù)荷、啟動(dòng)頻繁、使用環(huán)境較差的減速機(jī)，可選用一些潤滑油添加劑，使減速機(jī)在停止運(yùn)轉(zhuǎn)時(shí)齒輪油依然附著在齒輪表面，形成保護(hù)膜，防止重負(fù)荷、低速、高轉(zhuǎn)矩和啟動(dòng)時(shí)金屬間的直接接觸。添加劑中含有密封圈調(diào)節(jié)劑和抗漏劑，使密封圈保持柔軟和彈性，有效減少潤滑油泄漏。

3．減速機(jī)安裝位置的選擇。位置允許的情況下，盡量不采用立式安裝。立式安裝時(shí)，潤滑油的添加量要比水平安裝多很多，易造成減速機(jī)發(fā)熱和漏油。

4．建立潤滑維護(hù)制度。可根據(jù)潤滑工作“五定”原則對(duì)減速機(jī)進(jìn)行維護(hù)，做到每一臺(tái)減速機(jī)都有責(zé)任人定期檢查，發(fā)現(xiàn)溫升明顯，超過40℃或油溫超過80℃，油的質(zhì)量下降或油中發(fā)現(xiàn)較多的銅粉以及產(chǎn)生不正常的噪聲等現(xiàn)象時(shí)，要立即停止使用，及時(shí)檢修，排除故障，更換潤滑油。加油時(shí)，要注意油量，保證減速機(jī)得到正確的潤滑。還可以選用齒輪箱清洗維護(hù)機(jī)利用齒輪箱原有的給排油系統(tǒng)以及過濾后的潤滑油對(duì)齒輪箱進(jìn)行清洗，不改變齒輪箱任何硬件設(shè)施、不添加任何清洗劑，保證了齒輪箱安全運(yùn)營，延長了齒輪箱的使用壽命。


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