Results 71 to 80 of about 10,592,375 (188)

Investigation of the Applicability of Acoustic Emission Signals for Adaptive Control in CNC Wood Milling

Applied Sciences
The integration of acoustic emission (AE) signals into adaptive control systems for CNC wood milling represents a promising advancement in intelligent manufacturing. This study investigated the feasibility of using AE signals for the real-time monitoring
Miroslav Dado, Peter Koleda, František Vlašic, Jozef Salva   +3 more
doaj   +1 more source

Servo State-Based Polynomial Interpolation Model Predictive Control for Enhanced Contouring Control

Actuators
To further improve machining accuracy under the constrained conditions of multi-axis dynamic response, current research is focusing on the control of CNC machine toolpaths, with contour error as the target.
Shisheng Lv, Qiang Liu, Yiqing Yang, Yanqiang Liu, Liuquan Wang, Chenxin Zang, Zhiwei Ning   +6 more
doaj   +1 more source

Structural analysis and chracterisation technique applied to a CNC vertical machining centre [PDF]

, 2014
There is a requirement for improved 3D surface characterisation and reduced tool wear, when modern computer numerical-controlled (CNC) machine tools are operating at high cutting velocities, spindle speeds and feed-rates.
Widiyarto, Muhammad Helmi Nur, Longstaff, Andrew P., Fletcher, Simon, Ford, Derek G., Myers, Alan   +4 more
core   +1 more source

Automated planning to minimise uncertainty of machine tool calibration [PDF]

, 2014
When calibrating a machine tool, multiple measurement tasks will be performed, each of which has an associated uncertainty of measurement. International Standards and best-practice guides are available to aid with estimating uncertainty of measurement ...
Longstaff, Andrew P., Parkinson, Simon, S. Parkinson, Fletcher, Simon, S. Fletcher, A.P. Longstaff, Fletcher, S., Longstaff, A. P.; id_orcid, Parkinson, S.   +8 more
core   +1 more source

Research on key technologies of grinding non-circular arc diamond tools

Jin'gangshi yu moliao moju gongcheng
ObjectivesNon-circular-arc diamond tools with high-precision edge profiles are critical for the ultra-precision cutting of aspheric optical microstructure arrays.
Kong Danni, Liu Fengqi, Liu Xiufeng, Yang Ning, Tao Yuxuan, Rong Youmin, Sun Shouli   +6 more
doaj  

A Study of Tool Wear Prediction Based on Digital Twins

Journal of Harbin University of Science and Technology
In the context of the global intelligent transformation of manufacturing, digital twin technology, through the deep integration of physical entities and virtual models, provides an innovative path for the implementation of smart manufacturing. Taking the
LIU Minghao, MAO Xinhui, XIA Wei, YUE Caixu, LIU Xianli   +4 more
doaj   +1 more source

Optimization of machining path for integral impeller side milling based on SA-PSO fusion algorithm in CNC machine tools

Frontiers in Mechanical Engineering
The five axis linkage Computer Numerical Control machine tool for integral impeller can achieve blade machining through side milling, which is of great significance for improving the machining accuracy, production efficiency, and long-term stability of ...
Yu Zhao
doaj   +1 more source

A method to manufacture spiral bevel gears by equivalent completing

Mechanics & Industry
As a transmission part for industrial application the manufacture of spiral bevel gear is particularly important. The present machining methods for manufacturing spiral bevel gears, including the so called five-cut method and completing method, have ...
Geng Longlong, Nie Shaowu, Jiang Chuang
doaj   +1 more source

Design And Research on Machining Orientation Control Based on Five Axis CNC Machine Tools

Highlights in Science, Engineering and Technology
This article establishes a model for machining orientation control of a five axis CNC machine tool based on methods such as constructing translation matrix, rotation matrix, and composite matrix. Using the optimal path and rotation angle search algorithm based on rotation transformation and composite transformation, the displacement of the machining ...
openaire   +1 more source

A New Synthesis Error Modeling and Compensating Algorithm of the Five-axis Machine Tools

工程科学与技术, 2013
:In order to construct the high precision error compersation model,the topological relationship of machine kinematics was simplified and 59 independent error components were analyzed.Based on the rigid body kinematics with small error assumption,a new ...
要小鹏, 殷国富, 方辉
doaj