Results 1 to 10 of about 308,497 (114)

On-Machine Measurement of Profile and Concentricity for Ultra-Precision Grinding of Hemispherical Shells [PDF]

Micromachines, 2022
The profile and concentricity of hemispherical shells affect the frequency split and quality factor of hemispherical resonators. To compensate for machining errors caused by tool wear and tool setting, an on-machine measurement (OMM) method for the ...
Yu Wang, Chaoliang Guan, Yifan Dai, Shuai Xue   +3 more
doaj   +4 more sources

Adaptive Optimization Method for Prediction and Compensation of Thin-Walled Parts Machining Deformation Based on On-Machine Measurement [PDF]

Sensors
Thin-walled aluminum alloy parts are widely used in the aerospace field because of their favorable characteristics that cater to various applications. However, they are easily deformed during milling, leading to a low pass rate of workpieces.
Long Wu, Aimin Wang, Kang Wang, Wenhao Xing, Baode Xu, Jiayu Zhang, Yuan Yu   +6 more
doaj   +2 more sources

A Case Study on Assessing the Capability and Applicability of an Articulated Arm Coordinate Measuring Machine and a Touch-Trigger Probe for On-Machine Measurement

Machines
In modern manufacturing, there is an increasing demand for reliable in-process measurement methods directly on large CNC machine tools, eliminating the need to transport workpieces to metrological laboratories.
Vendula Samelova, Tomas Marek, Adam Jelinek, Robert Jankovych, Karla Maradova, Michal Holub   +5 more
doaj   +3 more sources

Structured Light Three-Dimensional Measurement Based on Machine Learning

Sensors, 2019
The three-dimensional measurement of structured light is commonly used and has widespread applications in many industries. In this study, machine learning is used for structured light 3D measurement to recover the phase distribution of the measured ...
Chuqian Zhong, Zhan Gao, Xu Wang, Shuangyun Shao, Chenjia Gao   +4 more
doaj   +3 more sources

An investigation on adaptive sculpting for the thin-walled surface parts using on-machine measurement [PDF]

Journal of Intelligent Manufacturing and Special Equipment, 2022
Purpose – Complex and exquisite patterns are sculpted on the surface to beautify the parts. Due to the thin-walled nature, the blank of the part is often deformed by the forming and clamping processes, disabling the nominal numerical control (NC ...
Shengtao Lin, Zhengcai Zhao
doaj   +1 more source

High-G MEMS Accelerometer Calibration Denoising Method Based on EMD and Time-Frequency Peak Filtering

Micromachines, 2023
In order to remove noise generated during the accelerometer calibration process, an accelerometer denoising method based on empirical mode decomposition (EMD) and time-frequency peak filtering (TFPF) is proposed in this paper.
Chenguang Wang, Yuchen Cui, Yang Liu, Ke Li, Chong Shen   +4 more
doaj   +1 more source

An Approach to an Intelligent Scanning of the Machine Tool Workspace

Journal of Machine Engineering, 2021
Modern 3D scanners can measure the geometry with high accuracy and within a short time. In turn, currently produced CNC machine tools allow for very accurate manufacturing; however, processes beyond the machining cycle remain time-consuming.
Łukasz Marchewka, Marek Grudziński
doaj   +1 more source

Accuracy Improvement of On-Machine Measurement for the Parallel Kinematic Machine Considering Constraint Motion [PDF]

한국정밀공학회지, 2019
The parallel kinematic machine (PKM), which is applied Exechon mechanism, is efficiently used for manufacturing industry due to its agile movement, flexibility and high rigidity. On-Machine measurement (OMM) in high-dof manufacturing machines such as the
Hoon Hee Lee, Dong Mok Lee, Seung Han Yang   +2 more
doaj   +1 more source

A Comparison of the Probes with a Cantilever Beam and a Double-Sided Beam in the Tool Edge Profiler for On-Machine Measurement of a Precision Cutting Tool

Machines, 2021
This paper describes a comparison of the mechanical structures (a double-sided beam and a cantilever beam) of a probe in a tool edge profiler for the measurement of a micro-cutting tool. The tool edge profiler consists of a positioning unit having a pair
Bo Wen, Sho Sekine, Shinichi Osawa, Yuki Shimizu, Hiraku Matsukuma, Andreas Archenti, Wei Gao   +6 more
doaj   +1 more source

On-machine measurement and compensation machining for ultra-precision cutting of optical aspheric surface

Jin'gangshi yu moliao moju gongcheng, 2022
An in-situ measurement device combining contact probe and capacitive displacement sensor is developed. An aspherical measurement and compensation machining software is also developed. The single point diamond ultra precision cutting experiments for C3604
Liang ZHANG, Xipeng GUO, Dingwen WANG, Wen XU, Jian LIU, Shuai HUANG, Shaohui YIN   +6 more
doaj   +3 more sources