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z00436
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樓主  發(fā)表于: 2011-04-10 22:42
最近遇見(jiàn)一臺電機，把相序換了，電機方向不變，用手轉一下軸，朝哪個(gè)方向轉，上電后就繼續朝哪個(gè)方向轉
detect
小心慎言，莫走邪道
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1樓  發(fā)表于: 2011-04-11 22:25
本人也遇到過(guò)同類(lèi)現象，一臺磨床的砂輪主軸電機，沒(méi)人去碰電機線(xiàn)路，換好砂輪開(kāi)車(chē)，竟然砂輪反轉了，隨后又出現轉速監控報警，后來(lái)手工正向盤(pán)動(dòng)砂輪再啟動(dòng)，砂輪正轉了。
當時(shí)的分析，就是主軸驅動(dòng)的輸出有缺相嫌疑

再后來(lái)，更換了主軸驅動(dòng)

故障沒(méi)有重現
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