描述
数控机床可用测量法对主轴轴承温度进行监测。通过测量主轴轴承运转中的温升，来了解主轴轴承是否正常。轴承温度一般限制在温度升高不超过45℃，监测中若发现轴承的温度超过70-80℃，应立即停机检查。数控机床可利用热电阻、多通道数字仪表及PLC控制系统的结合，来实现主轴轴承温度的检测。在主轴前、中、后轴承处，安装4个热电阻。PLC控制系统采集4个测量点的温度，来监测不同位置处轴承温升情况。
3BSE050092R265 PLC控制系统
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