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Review on Thermal Error Compensation for Feed Axes of CNC Machine Tools

Kuo Liu, HAN Wei, WANG Yongqing, LIU Haibo, SONG Lei

2021Journal of Mechanical Engineering28 citationsDOIOpen Access PDF

Abstract

摘要: 机床在内外热源共同作用下产生热变形,严重影响机床的精度稳定性与零件加工精度,如何抑制机床热误差是一个重要的研究领域。介绍了机床热误差避免方法和热误差补偿方法的研究进展。分析了直线进给轴误差的成因,并阐述了有/无预紧条件下丝杠热变形过程及机理。介绍了温度测点位置优化方法,以及数据驱动与机理驱动的热误差建模理念、方法及特点。介绍了旋转进给轴热误差测试方法,并给出了其建模及补偿效果。最后,对进给轴热误差补偿技术研究进行了展望。

Topics & Concepts

Compensation (psychology)Computer scienceNumerical controlThermalEngineering drawingMachine toolControl engineeringMechanical engineeringEngineeringPsychologyMachiningPhysicsPsychoanalysisMeteorologyAdvanced machining processes and optimizationManufacturing Process and OptimizationAdvanced Measurement and Metrology Techniques
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