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

被引：34
作者：
Huo, Dehong [1 ,2 ]
Chen, Wanqun [2 ,3 ]
Teng, Xiangyu [2 ]
Lin, Chao [1 ]
Yang, Kai [4 ]
机构：
[1] Chongqing Univ, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
[2] Newcastle Univ, Sch Mech & Syst Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[3] Harbin Inst Technol, Ctr Precis Engn, Harbin 150001, Peoples R China
[4] Army Aviat Inst, Beijing 101123, Peoples R China
来源：
MICROMACHINES | 2017年 / 8卷 / 06期
基金：
英国工程与自然科学研究理事会; 中国国家自然科学基金;
关键词：
micro-milling; tool deflection; surface generation; cutting force; modeling; MILLED SURFACES; COMPENSATION; PREDICTION; TOPOGRAPHY;
D O I：
10.3390/mi8060188
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
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.
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页数：10
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