Method for detecting end-face runout and radial runout of shat parts in working state
A technology of working state and shaft parts, which is applied in the field of non-destructive testing of shaft parts, and can solve the problems of little application significance and the inability to determine the direction of beating
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Embodiment 1
[0015] A coiler in a cold-rolled thin plate factory had a phenomenon of strip deviation during high-speed coiling, which affected product quality. In order to find out the cause, radial runout detection was carried out on the coiler at different speeds. The common method is to use the dial indicator to detect, but the high linear speed when the coiler rotates is unbearable to the dial indicator, and the dial indicator will fly when it is close to 400 revolutions, so the method of the present invention is used to Fix the target at the end of the coiler support, and then use the dynamic detection function of the laser dynamic tracker to collect data. According to user requirements, the radial runout of the coiler is collected at 100 rpm, 300 rpm, 400 rpm, 600 rpm, and 800 rpm. Processing analysis solves this detection problem.
Embodiment 2
[0017] The sparking phenomenon was found in the V3 motor in the rough rolling mill, and the axial movement of the motor shaft was required to be detected. Using the method of the present invention, the target was fixed on the end face of the motor shaft with tooling, and the dynamic detection function of the laser dynamic tracker was used for data collection. The data acquisition process is divided into: 1. 20% speed; 2. 40% speed; 3. 60% speed; 4. 80% speed; 5. 90% speed; 6. 50%--90%--50% speed; 7. 0--80%--0 speed, use the tracking function of the instrument to record data, use the coordinate reconstruction function of the operating system to process the data, and draw a graph such as figure 2 The axial movement can be obtained from the movement amplitude diagram of the blooming mill.
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