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數(shù)據(jù)分類:
軸承

為什么電動(dòng)機(jī)運(yùn)行過程中軸承過熱?

發(fā)布日期:2022-07-14 點(diǎn)擊率:65

  1.故障原因

  (1)潤(rùn)滑脂過多或過少;

  (2)潤(rùn)滑脂不好含有雜質(zhì);

  (3)軸承與軸頸或端蓋配合不當(dāng)(過松或過緊);

  (4)軸承內(nèi)孔偏心,與軸相擦;

  (5)電動(dòng)機(jī)端蓋或軸承蓋未裝平;

  (6)電動(dòng)機(jī)與負(fù)載間聯(lián)軸器未校正,或皮帶過緊;

  (7)軸承間隙過大或過小;

  (8)電動(dòng)機(jī)軸彎曲

  2.故障排除

  (1)按規(guī)定加潤(rùn)滑脂(容積的1/3-2/3);

  (2)更換清潔的潤(rùn)滑滑脂;

  (3)過松可用粘結(jié)劑修復(fù),過緊應(yīng)車、磨軸頸或端蓋內(nèi)孔,使之適合;

  (4)修理軸承蓋,消除擦點(diǎn);

  (5)重新裝配;

  (6)重新校正,調(diào)整皮帶張力;

  (7)更換新軸承;

  (8)校正電機(jī)軸或更換轉(zhuǎn)子


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