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馬達(dá)，CPG晟邦減速電機(jī) ...

減速機(jī)技術(shù)資料：

圓弧齒圓柱蝸桿減速機(jī)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。由于是滑動摩擦傳動，運(yùn)行中會產(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，很容易造成潤滑油量不足，減速機(jī)停止運(yùn)轉(zhuǎn)時，電機(jī)和減速機(jī)間傳動齒輪油流失，齒輪得不到應(yīng)有的潤滑保護(hù)。減速機(jī)啟動時，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，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)。

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