Optical measurement method for blade profiles based on blade self-features

Z Wang, M Yin, D Ou, L ** accurate and efficient measurement systems for blade profiles has always been
a vital issue in blade manufacturing. Nowadays, optical-based systems for measuring blade …

New radius and roundness measurement for microspheres using a high-precision run-out error separation method

W Zhao, R Li, L Duan, Z Cheng… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Roundness is a kind of form error in geometrical measurement in laboratory and industry
and contributes significantly to the uncertainty of the measurement instruments using …

A measurement system based on internal cooperation of cameras in binocular vision

Y Zhou, Q Li, L Chu, Y Ma, J Zhang - Measurement Science and …, 2020 - iopscience.iop.org
In this paper, a measurement system based on internal cooperation of cameras in binocular
vision is proposed. In terms of the hardware structure, the system is composed of a binocular …

A novel centerline extraction algorithm for a laser stripe applied for turbine blade inspection

C Jiang, W Li, A Wu, W Yu - Measurement Science and …, 2020 - iopscience.iop.org
Line-laser 3D scanning is a novel and promising automation technique for turbine blade
inspection. One key task encountered in line-laser 3D scanning is centerline extraction of …

Three-dimensional tolerance analysis modelling of variation propagation in multi-stage machining processes for general shape workpieces

K Wang, S Du, L ** - International Journal of Precision Engineering and …, 2020 - Springer
The quality control of general shape workpieces has become one of research hotspots
because of the increasing diversity of products. The theory of stream of variation (SoV) for …

Theoretical analysis of straightness errors in coordinate measuring machines (CMM) with three linear axes

P Franco, J Jodar - International Journal of Precision Engineering and …, 2021 - Springer
Diverse studies were developed in last years about the precision of coordinate measuring
machines (CMMs) in order to enhance the calibration method for these testing devices or …

Measuring the profile of aircraft engine blades using spectral confocal sensors

Z Chen, K Xue, C Sun, Y Liu, J Tan - Measurement Science and …, 2024 - iopscience.iop.org
The geometric parameters of aircraft engine blades need to be precisely measured to
ensure the quality of the blades for the normal operation of aircraft engines. This study aims …

High-precision radius and sphericity measurement for microspheres of micro-CMM probe tip

W Zhao, RJ Li, L Duan, Z Cheng, Q Pan… - Measurement …, 2023 - iopscience.iop.org
The microsphere profile of probe tips has to be measured and compensated to improve the
measurement accuracy of micro-coordinate measuring machines (micro-CMMs) to less than …

Interferometric metrology probe for highly sloped freeform optics

HJ Wisniewski, TE Stalcup, RA Smythe, AG Olszak - Applied Optics, 2023 - opg.optica.org
A wide variety of systems are employed to measure the surface profile of aspheric and
freeform optical surfaces. Freeform metrology systems must accurately characterize the full …

A high-precision form-free metrological method of aeroengine blades

ZY Shi, XZ Li, YK Li, JC Lin - International Journal of Precision Engineering …, 2019 - Springer
In order to solve the problems in existing methods for blade profile metrology, such as low
accuracy and efficiency, poor flexibility, various constraints, a high-precision form-free …