SIMULATION AND EXPERIMENTAL RESEARCH ON MILLING SURFACE TOPOGRAPHY BASED ON CUTTING VIBRATION

PAN LiMei; QIAN Wei; LIU Jin; YE Yi; GUO MiaoXian

doi:10.16579/j.issn.1001.9669.2022.01.008

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SIMULATION AND EXPERIMENTAL RESEARCH ON MILLING SURFACE TOPOGRAPHY BASED ON CUTTING VIBRATION

更新时间：2022-09-22

- SIMULATION AND EXPERIMENTAL RESEARCH ON MILLING SURFACE TOPOGRAPHY BASED ON CUTTING VIBRATION
- Journal of Mechanical Strength Vol. 44, Issue 1, Pages: 59-67(2022)
- 作者机构：
  
  1. 上海理工大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2022.01.008
  CLC：
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PAN LiMei, QIAN Wei, LIU Jin, et al. SIMULATION AND EXPERIMENTAL RESEARCH ON MILLING SURFACE TOPOGRAPHY BASED ON CUTTING VIBRATION. [J]. 44(1):59-67(2022)
DOI：

PAN LiMei, QIAN Wei, LIU Jin, et al. SIMULATION AND EXPERIMENTAL RESEARCH ON MILLING SURFACE TOPOGRAPHY BASED ON CUTTING VIBRATION. [J]. 44(1):59-67(2022) DOI： 10.16579/j.issn.1001.9669.2022.01.008.

摘要

零件的表面形貌是机械加工质量的重要组成部分,为了实现对精密铣削表面形貌的准确预测,在铣削工艺过程中提出了一种基于切削振动小波包分析和频谱分析的表面形貌仿真方法。首先以球头铣刀为研究对象,建立工件坐标系下切削刃随时间变化的运动轨迹模型,然后把实测振动信号通过小波包分析和频谱分析处理后得到的振动方程带入其中,最后利用Matlab完成对工件表面形貌的仿真预测。通过仿真与试验结果的对比,验证了基于振动信号小波包分析和频谱分析的表面形貌仿真预测模型的准确性,为实际的加工生产提供参考。

Abstract

The surface topography of parts serves as a crucial role for machining quality. In order to achieve accurately prediction of the surface topography of precision milling, a surface topography simulation method based on wavelet packet analysis and frequency spectrum analysis of cutting vibration is proposed in this paper. In the paper, firstly, the ball-end milling is taken as the research object and the motion trace model of cutting edge changing with time based on the workpiece coordinate system is established. And then the vibration equation obtained by wavelet packet analysis and spectrum analysis is put into the model. Finally, the surface topography of the part is simulated and predicted by employing MATLAB. The comparisons between simulation and trial experiments suggest that the accuracy of the surface topography simulation prediction model based on wavelet packet analysis and frequency spectrum analysis of vibration signal offers a reference for the actual processing and production.

关键词

球头铣刀切削振动小波包分析建模仿真表面形貌

Keywords

Ball-end millingCutting vibrationWavelet packet analysisModeling and simulationSurface topography

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