A06B-6088-H226 機械結構引起的抖動可分為兩種情況：
1)空載抖動： a.電動機基礎不牢、剛度不夠或固定不緊。 b.風扇葉片損壞，破壞了轉子的機械平衡。 c.機軸彎曲或有裂紋。可通過緊固螺釘、更換風扇葉片、更換機軸等辦法解決。 2)如果加負載後抖動，一般是傳動裝置的故障引起，可判斷以下部位存在缺陷： a.膠帶輪或聯軸器轉動不平衡。 b.聯軸器中心線不一致，使電動機與所傳動的機械軸線不重合。 c.傳動膠帶接頭不平衡。可通過校正傳動裝置使之平衡等辦法解決。
二.速度環問題引起的抖動： 速度環積分增益、速度環比例增益、加速度反饋增益等參數不當。增益越大，速度越大，慣性力越大，偏差越小，越易產生抖動。設定較小的增益可維持速度響應，不易產生抖動。
三.伺服係統的補償板和伺服放大器故障引起的抖動： 電機運動中突然掉電停止，產生很大抖動，與伺服放大器BRK接線端子以及設定參數不當有關。可增加加減速時間常數，用PLC緩慢啟動或停止電機使之不抖動。
A06B-6088-H226
A06B-6088-H226
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