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Effects of Cooling Systems on the Thermal Behaviour of Machine Tools and Thermal Error Models

open access: yesJournal of Machine Engineering, 2020
Today, cooling systems are increasingly applied to the structure of machine tools (MT). Unfortunately, to date there have been few efforts to precisely control these cooling systems, which inhibits the full utilisation of their potential to improve MT ...
Martin Mareš   +4 more
doaj   +3 more sources

Year-Round Thermal Error Modeling and Compensation for the Spindle of Machine Tools Based on Ambient Temperature Intervals [PDF]

open access: yesSensors, 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
doaj   +2 more sources

Thermal Error Prediction in High-Power Grinding Motorized Spindles for Computer Numerical Control Machining Based on Data-Driven Methods [PDF]

open access: yesMicromachines
The thermal error of the high-power grinding motorized spindle, caused by heating, seriously affects machining accuracy. In this paper, an ensemble learning algorithm is used to predict the thermal error of a high-precision motorized spindle.
Quanhui Wu   +5 more
doaj   +2 more sources

A Review of Thermal Error Modeling Methods for Machine Tools

open access: yesApplied 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
doaj   +3 more sources

3-axis computer numerical control machine positioning error dataset for thermal error compensation [PDF]

open access: yesData in Brief
This article reports on a comprehensive dataset detailing positioning errors in a 3-axis milling center machine (MCM) with computer numerical control (CNC) specifically curated for thermal error compensation.
Adalto Farias   +3 more
doaj   +2 more sources

Research on optimization of temperature sensitive points of machine tool thermal error based on independent variable selection criteria [PDF]

open access: yesScientific Reports
In order to improve the prediction accuracy and robustness of the machine tool thermal error model, a method to select temperature sensitive points of the machine tool thermal error model based on independent variable selection criteria is proposed ...
Huadong Li, Jingjun Liu, Yang Li
doaj   +2 more sources

A Review of Machine Learning-Based Thermal Error Modeling Methods for CNC Machine Tools

open access: yesMachines
Heat source-induced thermal error is a primary element influencing the precision of CNC machine tools. A practical and economical approach to mitigating thermal errors is through thermal error compensation.
Sen Mu   +6 more
doaj   +3 more sources

Study on Thermal Error Modeling for CNC Machine Tools Based on the Improved Radial Basis Function Neural Network

open access: yesApplied 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
doaj   +1 more source

Novel Real-Time Compensation Method for Machine Tool’s Ball Screw Thermal Error

open access: yesApplied Sciences, 2023
The real-time compensation of thermal error in ball screws is an effective means to improve the accuracy of machining tools. However, the trade-off between robustness and computational efficiency of existing ball screw thermal error models is complicated
Ren Rong   +4 more
doaj   +1 more source

The Thermal Error Estimation of the Machine Tool Spindle Based on Machine Learning

open access: yesMachines, 2021
Thermal error is one of the main sources of machining error of machine tools. Being a key component of the machine tool, the spindle will generate a lot of heat in the machining process and thereby result in a thermal error of itself.
Yu-Cheng Chiu   +2 more
doaj   +1 more source

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