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耐高温轴承
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如何判断运转中轴承的损坏情况

[ 关键词:轴承 发表日期:2013-04-22 16:15:49 ]

  轴承是所有机器中最重要的旋转零件,早期的检测出轴承破坏以避免由于轴承破坏所造成的非计划性保养期间的设备停机。然而,并非所有设备都装有先进的仪器。在这种情况下,机器的操作者或保养工程师必须对轴承的“故障信号”保持高度警觉,例如噪音、温度与振动。“倾听”、“触摸”和“观察”是3个重要的因素。

CHUMO

  高温经常表示轴承已处于异常情况。高温也有害于在轴承内的润滑剂。有时轴承过热可归咎于轴承的润滑剂,若轴承在超过125摄氏度的温度长期运转,会降低轴承寿命,引起高温轴承的原因包括有:润滑不足或过分润滑,润滑剂内含有杂质,负载过大,轴承损坏,间隙不足,及油封产生的高温摩擦等等。因此连续性的监测轴承温度是有必要的,无论是测量轴承本身或其它重要的零件。如果是在运转条件不变得情况下,任何的温度改变都可能表示已经发生故障。  

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