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Modelling of the Influence of Tool Runout on Surface Generation in Micro Milling

Lookup NU author(s): Dr Wanqun Chen, Dr Dehong Huo, Xiangyu Teng

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

© 2019, The Author(s).Micro milling is a flexible and economical method to fabricate micro components with three-dimensional geometry features over a wide range of engineering materials. But the surface roughness and micro topography always limit the performance of the machined micro components. This paper presents a surface generation simulation in micro end milling considering both axial and radial tool runout. Firstly, a surface generation model is established based on the geometry of micro milling cutter. Secondly, the influence of the runout in axial and radial directions on the surface generation are investigated and the surface roughness prediction is realized. It is found that the axial runout has a significant influence on the surface topography generation. Furthermore, the influence of axial runout on the surface micro topography was studied quantitatively, and a critical axial runout is given for variable feed per tooth to generate specific surface topography. Finally, the proposed model is validated by means of experiments and a good correlation is obtained. The proposed surface generation model offers a basis for designing and optimizing surface parameters of functional machined surfaces.


Publication metadata

Author(s): Chen W, Sun Y, Huo D, Teng X

Publication type: Article

Publication status: Published

Journal: Chinese Journal of Mechanical Engineering (English Edition)

Year: 2019

Volume: 32

Issue: 2

Online publication date: 23/01/2019

Acceptance date: 10/01/2019

Date deposited: 05/08/2019

ISSN (print): 1000-9345

ISSN (electronic): 2192-8258

Publisher: Chinese Mechanical Engineering Society

URL: https://doi.org/10.1186/s10033-019-0318-x

DOI: 10.1186/s10033-019-0318-x


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