Guilin WANG, Li TANG, Shoushan LI, Bo YE. On-machine measurement and evaluation method of thin-walled optical parts with high gradient[J]. Journal of Applied Optics, 2022, 43(4): 766
- Journal of Applied Optics
- Vol. 43, Issue 4, 766 (2022)
Fig. 1. On-machine measurement system with ultra-precision lathe as platform
Fig. 2. Probe calibration by standard ball of ultra-precision lathe
Fig. 3. Probe calibration by standard ball of GPI 1240 contourgraph
Fig. 4. Sampling principle of data screening method based on equal chord height
Fig. 5. Schematic diagram of structural dimension of on-machine measurement system
Fig. 6. Surface error comparison of dome with high gradient before and after compensation machining
Fig. 7. Measurement site of coaxiality
Fig. 8. Measurement results of coaxiality
Fig. 9. Centrometer confirmatory measurement
Fig. 10. Measurement results of thin-walled dome with high gradient
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