Results 61 to 70 of about 145,469 (230)

Research progress of machine tool thermal error modeling technology

Journal of Hebei University of Science and Technology, 2015
During cutting, machine tools are influenced by different heat sources, which induces machine thermal deformation, deviation and thermal error. In different machine errors, thermal error accounts for 40%~70% of total machine errors, which is the main ...
Qianjian GUO, Hongmei WANG, Aijun LI
doaj   +1 more source

Principles for numerical compensation of elastic deformations in computerized numerical control machine tools

Academia Engineering
Nowadays, precision methods for computerized numerical control (CNC) machine tools analyze geometric, kinematic, dynamic, and thermal errors separately.
Alexander P. Kuznetsov, Hans-Joachim Koriath   +1 more
doaj   +1 more source

A particle swarm optimisation-based Grey prediction model for thermal error compensation on CNC machine tools

, 2015
Thermal errors can have a significant effect on CNC machine tool accuracy. The thermal error compensation system has become a cost-effective method of improving machine tool accuracy in recent years.
Longstaff, Andrew P., Fletcher, Simon, Abdulshahed, Ali, Abdulshahed, Ali M.   +3 more
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Thermal Error Measurement and Analysis of Vertical Machining Center

MATEC Web of Conferences, 2019
In this paper, the thermal calculation and thermal-structural coupling analysis of the vertical machining center are carried out to obtain the theoretical values of thermal generation and thermal displacement. Combined with the thermal structure analysis
Ma Yumeng, Cui Huanyong, Li Changchun, Wu Changzhong, Zhao Zhenyuan   +4 more
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Comparative study of ANN and ANFIS prediction models for thermal error compensation on CNC machine tools

, 2013
Thermal errors can have significant effects on CNC machine tool accuracy. The errors usually come from thermal deformations of the machine elements created by heat sources within the machine structure or from ambient change.
Longstaff, Andrew P., Fletcher, Simon, Abdulshahed, Ali, Myers, Alan   +3 more
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Thermal error prediction and optimal design of cooling structure for oscillating head housing

Case Studies in Thermal Engineering
The thermal error of machine tool has always been an important reason affecting the accuracy of machine tool. In modern methods to reduce thermal error, thermal error compensation method and thermal error isolation method are two methods with high ...
Zhaolong Li, Junming Du, Benchao Sun, Mengchen Yuan, Meng Xun, Haonan Sun, Kai Zhao   +6 more
doaj   +1 more source

A review on transfer learning in spindle thermal error compensation of spindle [PDF]

Advanced Manufacturing
Data-driven approaches offer unprecedented opportunities for smart manufacturing to facilitate the transition to Industry 4.0-based production. One of the key factors affecting the accuracy of machine tools is the thermal error caused by thermal ...
Yue Zheng, Guoqiang Fu, Sen Mu, Sipei Zhu, Kunlong Lin, Long Yang   +5 more
doaj   +1 more source

Hybrid Thermal Error Compensation Combining Integrated Deformation Sensor and Regression Analysis Based Models for Complex Machine Tool Designs

, 2023
2840Thermal errors remain the dominant sources of positioning inaccuracies in machine tools. Various methods of reducing them have already been developed, ranging from cooling and air conditioning strategies, thermally optimized machine tool designs and ...
Brecher, Christian, Bertaggia, Nico, Zontar, Daniel, Naumann, Andreas, Herzog, Roland, Glänzel, Janine, Dix, Martin, Naumann, Christian, Geist, Alexander   +8 more
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Application of GNNMCI(1, N) to environmental thermal error modelling of CNC machine tools

, 2013
Thermal errors are often quoted as being the largest contributor to inaccuracy of CNC machine tools, but they can be effectively reduced using error compensation.
Longstaff, Andrew P., Fletcher, Simon, Abdulshahed, Ali, Myers, Alan   +3 more
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Compensation of a ball end tool trajectory in complex surface milling [PDF]

, 2012
This work is consecrated to the minimising of machining errors based on a method for the compensation of the trajectory to be machined in hemispherical milling.
Baili, Maher, Smaoui, Moez, Zghal, Ali, Dessein, Gilles, Bouaziz, Zoubeir   +4 more
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