Results 11 to 20 of about 1,892,423 (234)
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
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The Thermal Error Modeling with Deep Transfer Learning
Journal of Physics: Conference Series, 2020 Abstract Thermal error of CNC machine tools is one of the main factors affecting the machining accuracy. The data-driven method for thermal error modeling is an effective and efficient, but they have some flaws, such as poor accuracy, bad robustness, and etc. because of having no quite enough data set and imbalanced data set.
Peiwen Li +3 more
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Eksploatacja i Niezawodnosc - Maintenance and Reliability, 2022 Machining accuracy reliability as a key index of CNC machine tools is seriously influenced by the geometric and thermal errors. In the paper, a spindle unit thermal error modeling and machining accuracy reliability analysis method is proposed.
Ziling Zhang +4 more
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Thermal error modeling of servo axis based on optimized LSSVM with gray wolf optimizer algorithm
Case Studies in Thermal EngineeringThermal error of a CNC machine tool has a serious effect on its machining accuracy. In order to reduce the thermal error, establishing an accurate and robust thermal error model is necessary.
Yang Li +3 more
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A Temperature Sensor Clustering Method for Thermal Error Modeling of Heavy Milling Machine Tools
Applied Sciences, 2017 A clustering method is an effective way to select the proper temperature sensor location for thermal error modeling of machine tools. In this paper, a new temperature sensor clustering method is proposed.
Fengchun Li +3 more
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Modeling of thermal errors for dual-spindle turning-milling compound machine tools based on hybrid networks [PDF]
Scientific ReportsThermal error is the key factor affecting the machining accuracy of high-precision CNC machine tools. In order to solve the problem of thermal error of dual-spindle turning and milling machine tools, this study proposes an optimized CNN-BiLSTM Hybrid ...
Wentao Lu +5 more
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Thermal Error Modeling of a Machine Tool Using Data Mining Scheme
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2010 In this paper the knowledge discovery technique is used to build an effective and transparent mathematic thermal error model for machine tools. Our proposed thermal error modeling methodology (called KRL) integrates the schemes of K-means theory (KM ...
Kun-Chieh WANG, Pai-Chang TSENG
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Robust modeling for thermal error of spindle of slant bed lathe based on error decomposition
Case Studies in Thermal Engineering, 2023 Hu Shi, Xuesong Mei, Tao Tao
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Thermal error modelling for real-time error compensation [PDF]
The International Journal of Advanced Manufacturing Technology, 1996 A modelling strategy for the prediction of both the scalar and the position-dependent thermal error components is presented. Two types of empirical modelling method based on the multiple regression analysis (MRA) and the artificial neural network (ANN) have been proposed for the reaLtime prediction of thermal errors with multiple temperature ...
Chen, J. S., Yuan, J., Ni, Jun
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Research on Thermal Characteristics of Ball Screw Feed System Considering Nut Movement
Machines, 2021 The heat generated by the ball screw feed system will produce thermal errors, which will cause the positioning accuracy to decrease. The thermal simulation modeling of the ball screw feed system is the basis for compensating thermal errors.
Hongliang Liu +3 more
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