描述
1747-SDN
要想消除電動機振動，首先要查清產(chǎn)生振動的原因，只有找到振動的原因，才能采取有針對性的措施，消除電動機振動。電動機未停機之前，用測振表檢查各部振動情況，對于振動較大的部位按垂直水平軸向三個方向詳細測試振動數(shù)值，如果是地腳螺絲松動或軸承端蓋螺絲松動，則可直接緊固，緊固后在測其振動大小，觀察是否有消除或減輕，其次要檢查電源三相電壓是否平衡，三相熔絲是否有燒斷現(xiàn)象，電動機的單相運行不僅可以引起振動，還會使電機的溫度迅速上升，觀察電流表指針是否來回擺動，轉(zhuǎn)子斷條時就出現(xiàn)電流擺動現(xiàn)象，最后檢查電機三相電流是否平衡，發(fā)現(xiàn)問題及時與運行人員聯(lián)系停止電機運行，以免將電機燒損。如果對表面現(xiàn)象處理后，電機振動未解決，則繼續(xù)斷開電源，解開聯(lián)軸器，使電機與之相連的負載機械分離，單轉(zhuǎn)電機，如果電機本身不振動，則說明振源是聯(lián)軸器沒找正或負載機械引起的，如果電機振動，則說明電機本身有問題，另外還可以采取斷電法來區(qū)分是電氣原因，還是機械原因，當停電瞬間，電動機馬上不振動或振動減輕，則說明是電氣原因，否則是機械故障。檢查氣隙是否均勻，如果測量值超標，重新調(diào)整氣隙。檢查軸承，測量軸承間隙，如不合格更換新軸承，檢查鐵心變形和松動情況，松動的鐵心可用環(huán)氧樹脂膠粘接灌實，檢查轉(zhuǎn)軸，對彎曲的轉(zhuǎn)軸進行補焊重新加工或直接直軸，然后對轉(zhuǎn)子做平衡試驗。打風機電機大修后試運行期間，電機不僅振動大，而且軸瓦溫度超標，連續(xù)處理幾天后，故障仍未解決。我班組人員在幫助處理時發(fā)現(xiàn)，電機氣隙非常大，瓦座水平也不合格，故障原因找到后，重新調(diào)整各部間隙后，電機試轉(zhuǎn)一次成功。
產(chǎn)品承諾：
保?證?全新原裝進口,
保?證?安全準時發(fā)貨，
保?證售后服務質(zhì)量，
優(yōu)勢價格，大量現(xiàn)貨。
主營DCS系統(tǒng)配件
機器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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Basler BIC & L101b-2k
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Adpro VM12 PAL module
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Leitz wetzlar PL FLUOTAR ∞/0 100x/0.90
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Jetter Delta CPU D-CPU H. Rev. V4.01 no module
Datacon CONTEC 87 EPC Rev. 2
Datacon CONTEC/87 DSM 1.0 BS.
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HV# Nikon 4S007-904 MAIN-BCR
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Areva MiCOM P143
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