Research on thermal characteristics modeling for feed system of CNC machine tool considering thermal parameter correction

IF 1.9 3区工程技术 Q3 ENGINEERING, MANUFACTURING Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture Pub Date : 2024-01-19 DOI:10.1177/09544054231221830

Liang Peng, Zhenlei Chen, Leilei Cheng

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Abstract

Feed system is an essential part of machine tools for controlling cutting. The thermal characteristics of the feed system has a significant impact on the machining accuracy for machine tool. To predict the temperature distribution of the feed system accurately, a dynamic thermal analytical approach for feed system is proposed in this paper, which considers the dynamic change process of the bearing and nut heat source affected by thermal deformation. Taking the feed system of machine tool as the research object, the heat source calculation method and stress modeling process considering the influence of thermal deformation is proposed. The thermal-structural coupling analysis of the feed system and the corresponding experimental data are presented. With the comparison of the simulation and test results, it is concluded that the simulation result of the feed system thermal characteristics analysis is in good agreement with the experimental data, and the established model and method can effectively improve the simulation accuracy of the feed system.

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考虑热参数修正的数控机床进给系统热特性建模研究

进给系统是机床控制切削的重要组成部分。进给系统的热特性对机床的加工精度有重要影响。为了准确预测进给系统的温度分布，本文提出了一种进给系统动态热分析方法，该方法考虑了轴承和螺母热源受热变形影响的动态变化过程。以机床进给系统为研究对象，提出了考虑热变形影响的热源计算方法和应力建模过程。给出了进给系统的热结构耦合分析和相应的实验数据。通过仿真结果与试验结果的对比，得出进给系统热特性分析的仿真结果与试验数据吻合良好，所建立的模型和方法可有效提高进给系统的仿真精度。

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来源期刊

Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 工程技术-工程：机械

CiteScore

5.10

自引率

30.80%

发文量

167

审稿时长

5.1 months

期刊介绍： Manufacturing industries throughout the world are changing very rapidly. New concepts and methods are being developed and exploited to enable efficient and effective manufacturing. Existing manufacturing processes are being improved to meet the requirements of lean and agile manufacturing. The aim of the Journal of Engineering Manufacture is to provide a focus for these developments in engineering manufacture by publishing original papers and review papers covering technological and scientific research, developments and management implementation in manufacturing. This journal is also peer reviewed. Contributions are welcomed in the broad areas of manufacturing processes, manufacturing technology and factory automation, digital manufacturing, design and manufacturing systems including management relevant to engineering manufacture. Of particular interest at the present time would be papers concerned with digital manufacturing, metrology enabled manufacturing, smart factory, additive manufacturing and composites as well as specialist manufacturing fields like nanotechnology, sustainable & clean manufacturing and bio-manufacturing. Articles may be Research Papers, Reviews, Technical Notes, or Short Communications.