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["전电机前端水平振动大", "880KW 모터 85KV의 �额定电流56A 带螺杆式制冷机组的A维修回来后A带机组能水平上了88多多(机组负荷),电流38多A A电机前端水平振动较大A上了5.5mm/s A温度48℃ A前端垂直 2.6mm/s A电机后端水平、垂直振动都在a8mm/s以内 A 机组前后端振动都在48mm/s以内 A 电机轴承是半球式轴瓦的 A 电机空隙前后端振动都在58.5mm/s以内 A 联轴器对中是使用激光对中仪找的(找了两遍了)在 08.5mm以内 A 电机回来空转自找了磁力中心线。 A 电机是刚从维修厂家修回来的 详听高见啊,为什么水平振动会高?", "885KW的大电机, 85.5mm/s的振动不算高啊", "轴承支撑松动、机座松动、轴承本身故障的发生概率较大~~~~ 可排除对中问题 � � �转子子子弯曲问题、动静摩擦问题~~~~~~~~~~~~~~ 判据不足以定" "同型号的其它,振动在38mm/s以内" "前轴温度写错了 68℃" " 2284r/min轴中心h高为h h小于等于8225mm 最大振动速度值为4.5mm/s;h大于8 t215mm 最大振动速度为7.8mm/s"

2018-04-05View Original

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800KW 电机 10KV的 额定电流56A, 带螺杆式制冷机组的,维修回来后,带机组能级上了80多(机组负荷),电流30多A,电机前端水平振动较大,上了5.5mm/s,温度41℃,前端垂直2.6mm/s, 电机后端水平、垂直振动都在2mm/s以内。 机组前后端振动都在4mm/s以内; 电机轴承是半球式轴瓦的; 电机空试前后端振动都在1.5mm/s以内 联轴器对中是使用激光对中仪找的(找了两遍了),在0.05mm以内 电机回来空转自找了磁力中心线。 电机是刚从维修厂家修回来的 详听高见啊,为什么水平振动会高?
Reply #22018-04-05
800KW的大电机,5.5mm/s的振动不算高啊
Reply #32018-04-07
轴承支撑松动、机座松动、轴承本身故障的发生概率较大~~~~ 可排除对中问题,转子弯曲问题,动静摩擦问题~~~~~~~~~~~~~~ 判据不足以定性。
Reply #42018-04-08
同型号的其它,振动在3mm/s以内
Reply #52018-04-08
前轴温度写错了,60℃
Reply #62018-04-08
2984r/min 轴中心线高为h,h小于等于225mm,最大振动速度值为4.5mm/s;h大于225mm,最大振动速度值为7.1mm/s

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