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如何识别轮毂轴承故障?

2024-07-25

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轮毂轴承是汽车的关键零部件之一,对于车辆行驶安全至关重要,所以正确识别轴承故障并做出及时响应十分必要。

一般情况下,轮毂轴承的更换周期在十几万公里以后,但是在车辆做大保养的过程时,要注意做好定期检查,轮毂轴承也可能由于拆装不当、外部原因或者其他等因素,出现故障。

1

故障现象:轴承润滑脂性能退化;轴承过热;锈蚀。

原因:轴承进水。

解决措施:确保所有相邻部件处于良好的工作状态;不要使用高压清洗机直接冲洗轴承区域,遵守制造商安装指南;安装轴承时要注意保持清洁;选择适用该车型的无污染润滑脂;确保相邻部件在安装过程中不受污染。

2

故障现象:内外圈损坏;轴承滚动体损坏。

原因:安装/拆卸不当;使用不适合的压装工具。

解决措施:遵守制造商安装指南;使用合适的压装工具。

3

故障现象:轴承滚动体损坏产生噪音;轴承滚动体及滚道损坏,轴承运行中不规则跳动,影响轴承密封。

原因:撞击路缘产生的强烈冲击会导致滚动体及滚道出现损坏。

解决措施:避免碰撞和频繁碰撞路缘。

4

故障现象:ABS系统无法正常工作。

原因:ABS线缆接头损坏、破裂。

解决措施:不要提着ABS线缆搬运轴承;运输过程中,注意保护ABS线缆,防止外部冲击导致线缆损坏。

5

故障现象:ABS磁感应线圈损坏,ABS系统无法正常工作;ABS系统故障。

原因:运输过程中由于外部冲击导致ABS磁感应线圈破损;安装不当导致ABS磁感应线圈破损。

解决措施:更换轮毂轴承时,确保安装方向正确;使用FAG检测卡确定集成ABS发射编码器的安装方向正确。

(来源:舍弗勒汽车售后)