The New Type Railway Train Wheel-Set Journal Inspection System Based on CCD Laser Micrometer
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A new type railway train wheel-set journal inspection system based on CCD laser mic-(rometer) is described. In the system, the thought of differential measurement mode and automatic on-line alignment are applied, so as to make the fully automatic non-contact measurement of the train wheel-set journal diameter, dust guard seat diameter and axle journal length. It has such advantages as high precision, rapid speed, strong anti-interference capacity and simple operation.