Xiaoming Li, Guoshuai Zhu, Minghang Guo, Yingze Liu, Chong Zhang. Coaxiality measurement and uncertainty analysis of rotating shafts based on autocollimation[J]. Infrared and Laser Engineering, 2023, 52(5): 20220794

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- Infrared and Laser Engineering
- Vol. 52, Issue 5, 20220794 (2023)

Fig. 1. Double grating PAT mechanism. (a) 3D model drawing; (b) Physical map

Fig. 2. Schematic diagram of dual grating PAT mechanism

Fig. 3. Schematic diagram of shafting error

Fig. 4. Schematic diagram of measurement principle. (a) Composition of measurement system; (b) Schematic diagram of reference mirror#2; (c) Reference mirrors

Fig. 5. Autocollimator imaging map. (a) Reference mirror #1 & #2 image map; (b) Reference mirror#1 image map; (c) Reference mirror#2 image map

Fig. 6. Data point impact analysis. (a) Uncertainty deviation ratio; (b) Standard deviation

Fig. 7. Measurement accuracy affects analysis results

Fig. 8. Data distribution affects analysis results. (a) x axis uncertainty deviation ratio; (b) y axis uncertainty deviation ratio; (c) Standard deviation ratio

Fig. 9. Test site and test result. (a) Figure at the crime scene#1; (b) Figure at the crime scene#2; (c) Test result

Fig. 10. Shafting error test results. (a) Test site; (b) Spot pattern; (c) Test result 1; (d) Test result 2
![[in Chinese]](/Images/icon/loading.gif)
Fig. 10. [in Chinese]

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