濮阳登奇伺服电机维修常见故障

二、通电后伺服电动机不转有嗡嗡声

1.故障原因

① 转子绕组有断路（一相断线）或电源一相失电；

② 绕组引出线始末端接错或绕组内部接反；

③ 电源回路接点松动，接触电阻大；

④ 电动机负载过大或转子卡住；

⑤ 电源电压过低；

⑥ 小型电动机装配太紧或轴承内油脂过硬；

⑦轴承卡住。

2. 故障排除

① 查明断点予以修复；

② 检查绕组极性；判断绕组末端是否正确；

③紧固松动的接线螺丝，用万用表判断各接头是否假接，予以修复；

④ 减载或查出并消除 机械故障；

⑤检查是否把规定的面接法误接；是否由于电源导线过细使压降过大，予以纠正；

⑥ 重新装配使之灵活；更换合格油脂；

⑦ 修复轴承。

登奇伺服电机维修部分型号：

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