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USP590-1U
USP590-2E

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

韓國DKM減速電機(jī),CPG晟邦 ...

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：蘭工

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減速機(jī)技術(shù)資料：

蝸輪蝸桿減速機(jī)的常見問題及分析
常見問題及其原因。
(1)減速機(jī)發(fā)熱和漏油，
(2)蝸輪磨損，
(3)傳動小斜齒輪磨損，
(4)軸承(蝸桿處)損壞。
1、減速機(jī)發(fā)熱和漏油
蝸輪減速機(jī)為了提高效率，一般均采用有色金屬做蝸輪，采用較硬的鋼材做蝸桿，由于它是滑動摩擦傳動，在運(yùn)行過程中，就會產(chǎn)生較高的熱量，使減速機(jī)各零件和密封之間熱膨脹產(chǎn)生差異，從而在各配合面產(chǎn)生間隙，而油液由于溫度的升高變稀，容易造成泄漏。主要原因有四點(diǎn)，一是材質(zhì)的搭配是否合理，二是嚙合磨擦面的表面質(zhì)量，三是潤滑油的選擇，添加量是否正確，四是裝配質(zhì)量和使用環(huán)境。
2、蝸輪磨損
蝸輪一般采用錫青銅，配對的蝸桿材料一般用45鋼淬硬至HRC45一55,還常用40C:淬硬HRC50一55，經(jīng)蝸桿磨床磨削至粗糙度RaO.8fcm,減速機(jī)正常運(yùn)行時，蝸桿就象一把淬硬的“銼刀”，不停地銼削蝸輪，使蝸輪產(chǎn)生磨損。一般來說，這種磨損很慢，象某廠有些減速機(jī)可以使用10年以上。如果磨損速度較快，就要考慮減速機(jī)的選型是否正確，是否有超負(fù)荷運(yùn)行，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，主要跟潤滑油的添加量和潤滑油的選擇有關(guān)。立式安裝時，很容易造成潤滑油油量不足，當(dāng)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)，啟動或運(yùn)轉(zhuǎn)過程中得不到有效的潤滑導(dǎo)致機(jī)械磨損甚至損壞。
4、蝸桿軸承損壞
減速機(jī)發(fā)生故障時，即使減速箱密封良好，該廠還是經(jīng)常發(fā)現(xiàn)減速機(jī)內(nèi)的齒輪油已經(jīng)被乳化，軸承已生銹、腐蝕、損壞，這是因?yàn)闇p速機(jī)在運(yùn)停過程中，齒輪油由熱變冷后產(chǎn)生的水分凝聚造成;當(dāng)然，也和軸承質(zhì)量，裝配工藝方法密切相關(guān)。

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Enlarge
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Returns: Accepted
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