Machine tool spindle thermal error prediction and compensation method and system, numerical control machine tool
By combining data-driven and physical mechanism modeling methods, accurate prediction and real-time compensation of thermal error of CNC machine tool spindles are achieved, solving the problems of insufficient accuracy and robustness in existing technologies, and making it suitable for complex machining scenarios of high-precision CNC machine tools.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- HUAZHONG UNIV OF SCI & TECH
- Filing Date
- 2026-04-08
- Publication Date
- 2026-07-17
AI Technical Summary
Existing CNC machine tool thermal error compensation technology cannot simultaneously meet the prediction requirements of high precision and high robustness, is difficult to adapt to complex machining scenarios, and cannot achieve real-time online compensation.
By combining data-driven models with physical mechanism models, and through heat flux prediction, temperature field calculation, thermal deformation analysis, and comprehensive machine tool error analysis, combined with a residual correction module, accurate prediction and real-time compensation of spindle thermal errors can be achieved.
It improves the accuracy and robustness of thermal error prediction, can adapt to complex working conditions, achieves true real-time compensation, and is suitable for machining scenarios of high-precision CNC machine tools.
Smart Images
Figure CN122411252A_ABST