On-machine and in-process surface metrology for precision manufacturing

W Gao, H Haitjema, FZ Fang, RK Leach, CF Cheung… - Cirp Annals, 2019 - Elsevier
On-machine and in-process surface metrology are important for quality control in
manufacturing of precision surfaces. The classifications, requirements and tasks of on …

Profile error compensation in ultra-precision grinding of aspherical-cylindrical lens array based on the real-time profile of wheel and normal residual error

S Yu, P Yao, J Xu, W Wang, Y Li, D Chu, S Qu… - Journal of Materials …, 2023 - Elsevier
Glass micro-aspherical-cylindrical lens array (MACLA) has been used extensively in various
field of beam sha** and 3D imaging. Glass lens can be fabricated by glass molding with …
Q Bi, N Huang, S Zhang, C Shuai, Y Wang - International Journal of …, 2019 - Elsevier
Curved contour on large thin-walled skin is difficult to be machined since severe
deformations usually occur on real skin. It is critical to determine the real geometry of the …

Development of an on-machine measurement system with chromatic confocal probe for measuring the profile error of off-axis biconical free-form optics in ultra …

S Wang, Q Zhao - Measurement, 2022 - Elsevier
Ultra-precision grinding of large-scale free-form optics made of hard brittle material is faced
with several thorny problems, such as the grinding process is complex, hard to estimate the …

On-machine noncontact scanning of high-gradient freeform surface using chromatic confocal probe on diamond turning machine

Y Wang, M **, H Liu, Z Ding, W Du, X Meng… - Optics & Laser …, 2021 - Elsevier
Inspecting a high-gradient freeform surface is a challenging task in manufacturing
automation due to its complexity of the surface and high-aspect-ratio. On-machine …

Ultra-precision raster grinding biconical optics with a novel profile error compensation technique based on on-machine measurement and wavelet decomposition

S Wang, Q Zhao, Y Pan, B Guo - Journal of Manufacturing Processes, 2021 - Elsevier
Biconical optics with excellent profile accuracy and bright surface finish are increasingly
applied in the fields of aviation, aerospace, biology, consumer electronics, etc. However, the …