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A Regularized Regression Thermal Error Modeling Method for CNC Machine Tools under Different Ambient Temperatures and Spindle Speeds [PDF]
Sensors, 2023 Establishing a mathematical model to predict and compensate for the thermal error of CNC machine tools is a commonly used approach. Most existing methods, especially those based on deep learning algorithms, have complicated models that need huge amounts ...
Xinyuan Wei +4 more
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Thermal Positioning Error Modeling of Servo Axis Based on Empirical Modeling Method [PDF]
Micromachines, 2021 In order to investigate the thermal effect of a servo axis’ positioning error on the accuracy of machine tools, an empirical modeling method was proposed, which considers both the geometric and thermal positioning error.
Yang Li +3 more
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Year-Round Thermal Error Modeling and Compensation for the Spindle of Machine Tools Based on Ambient Temperature Intervals [PDF]
Sensors, 2022 The modeling and compensation method is a common method for reducing the influence of thermal error on the accuracy of machine tools. The prediction accuracy and robustness of the thermal error model are two key performance measures for evaluating the ...
Xinyuan Wei, Honghan Ye, Xugang Feng
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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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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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A Review of Thermal Error Modeling Methods for Machine Tools
Applied Sciences, 2021 Thermal error caused by thermal deformation is one of the most significant factors influencing the accuracy of the machine tool. Compensation is a practical and efficient method to reduce the thermal error.
Yang Li +4 more
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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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Applied Sciences, 2023 The thermal error modeling technology of computer numerical control (CNC) machine tools is the core of thermal error compensation, and the machining accuracy of CNC machine tools can be improved effectively by the high-precision prediction model of ...
Zhiming Feng +4 more
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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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IEEE Access, 2022 Thermal errors have the largest contribution, as much as about 70%, to the machining inaccuracy of computer-numerical-controlled (CNC) machining centers. The error compensation method so far plays the most popular and effective way to minimize the
Wenwu Lian +4 more
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