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VHR540CT-150E減速機(jī)VHR540CT-150EG
VHR540CT-150E減速機(jī)VHR540CT-150EG 價(jià)格:888.00  元(人民幣) 產(chǎn)地:福建省
最少起訂量:1臺(tái) 發(fā)貨地:福建省
上架時(shí)間:2024-07-12 09:35:41 瀏覽量:22
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VHR540CT-150E

VHR540CT-150EG

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晟邦減速電機(jī) ...

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減速機(jī)技術(shù)資料:


減速機(jī)轉(zhuǎn)軸是減速機(jī)的重要零件之一,它是傳遞扭矩、帶動(dòng)機(jī)械負(fù)載的主要部件。減速機(jī)軸必須有足夠的機(jī)械強(qiáng)度和剛度,才能完成減速機(jī)功率的傳遞,使減速機(jī)運(yùn)行時(shí)不發(fā)生振動(dòng)或定子、轉(zhuǎn)子相擦。

軸常見的損壞現(xiàn)象有:轉(zhuǎn)軸彎曲、軸頸磨損、軸裂紋和軸斷裂等。其損壞原因,除制造質(zhì)量本身有問題外,大多數(shù)是使用不當(dāng)造成的。例如,拆卸皮帶輪時(shí),不用專用工具而硬敲,再加上敲打時(shí)受力不當(dāng),極易引起軸的損壞。

1.轉(zhuǎn)軸彎曲的修理轉(zhuǎn)軸彎曲會(huì)造成減速機(jī)氣隙不均,產(chǎn)生振動(dòng)和噪聲。

若彎曲不大,為了消除彎曲對轉(zhuǎn)子鐵芯段的影響,可以磨光軸頸、滑環(huán)和換向器等。在小型異步減速機(jī)中,也可以磨光轉(zhuǎn)子的鐵芯段,但轉(zhuǎn)子與定子間增大的間隙值不應(yīng)超過正常間隙的10%。

如果軸的彎曲值很大,以致不能用加工軸頸和軸上零件的方法來消除,可在壓力機(jī)上矯正,或用電焊機(jī)在彎曲處表面均勻堆焊一層,然后上車床,以轉(zhuǎn)子外圓為基準(zhǔn)找出中心,車成要求尺寸,并用百分表檢查。

用敲打法矯正用冷態(tài)直軸法矯正轉(zhuǎn)軸的彎曲示意圖

2.軸頸磨損的修理軸頸磨損由于軸承內(nèi)圈與軸頸的配合過盈過小,在運(yùn)行中發(fā)生軸與內(nèi)圈相對運(yùn)動(dòng),使軸頸磨損而松動(dòng)(即走內(nèi)圓)。這時(shí),必須將軸頸修補(bǔ)到原來尺寸。常用的修補(bǔ)方法有下列幾種:

方法~:噴鍍或刷鍍。利用專門的設(shè)備將金屬鍍在磨損的軸頸上,再磨削到需要的直徑。此法適用于磨損深度不超過0.2毫米的情況。

方法二:補(bǔ)焊。將轉(zhuǎn)軸放在帶滾輪的支架上,用中碳鋼焊條進(jìn)行手工電弧焊,從一端開始,一圈一圈地補(bǔ)焊,邊焊邊轉(zhuǎn)動(dòng)轉(zhuǎn)子,直至將軸頸全部補(bǔ)焊完畢。冷卻后,放到車床上加工到所需尺寸。加工時(shí),注意校正兩軸頸與轉(zhuǎn)子外圓的同軸度。

方法三:鑲套。當(dāng)軸頸磨損較大或局部燒損發(fā)藍(lán)退火時(shí),可將軸頸車圓上后,放在車床上加工套的外圓。

3.軸裂紋或斷裂的修理對于出現(xiàn)裂紋的軸,若其裂紋深度不超過軸頸的10%~15%、長度不超過軸長的10%(對縱向而言)或不超過圓周長的10%(對橫向而言),可用堆焊法進(jìn)行補(bǔ)救。

對于裂紋大或斷裂的軸,必須更換新軸,換軸時(shí),小型減速機(jī)一般用35號(hào)鋼或45號(hào)鋼。換軸一時(shí)有困難,在不影響軸質(zhì)量的前提下,也可采用補(bǔ)接法

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