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Micromachines 2017, 8(6), 188; doi:10.3390/mi8060188

Modeling the Influence of Tool Deflection on Cutting Force and Surface Generation in Micro-Milling

1
The State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044, China
2
School of Mechanical and Systems Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
3
Center for Precision Engineering, Harbin Institute of Technology, Harbin 150001, China
4
Army Aviation Institute, Beijing 101123, China
*
Author to whom correspondence should be addressed.
Received: 24 May 2017 / Revised: 12 June 2017 / Accepted: 13 June 2017 / Published: 17 June 2017
(This article belongs to the Special Issue State-Of-The-Art Micromachining)
View Full-Text   |   Download PDF [2344 KB, uploaded 17 June 2017]   |  

Abstract

In micro-milling, cutting forces generate non-negligible tool deflection, which has a significant influence on the machining process and on workpiece accuracy. This paper investigates the tool deflection during micro-milling and its effect on cutting force and surface generation. The distribution of cutting forces acting on the tool is calculated with a mathematical model that considers tool elasticity and runout, and the tool deflection caused by the cutting forces is then obtained. Furthermore, an improved cutting force model and side wall surface generation model are established, including the tool deflection effect. Both cutting force and surface simulation models were verified by the micro-end-milling experiment, and the results show a very good agreement between the simulation and experiments. View Full-Text
Keywords: micro-milling; tool deflection; surface generation; cutting force; modeling micro-milling; tool deflection; surface generation; cutting force; modeling
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Huo, D.; Chen, W.; Teng, X.; Lin, C.; Yang, K. Modeling the Influence of Tool Deflection on Cutting Force and Surface Generation in Micro-Milling. Micromachines 2017, 8, 188.

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