Dynamics Characteristics of High Speed Ball-end Milling Cutter for Machining Hardened Steel

被引：0
|
作者：
Jiang, B. [1 ]
Zheng, M. L. [1 ]
Zhou, J. [1 ]
Xia, D. H. [1 ]
机构：
[1] Harbin Univ Sci & Technol, Machinery Ind Key Lab Chip Control & High Efficie, Harbin 150080, Peoples R China
来源：
MANUFACTURING AUTOMATION TECHNOLOGY DEVELOPMENT | 2011年 / 455卷
关键词：
High speed milling; Hardened steel; Ball-end milling cutter; Dynamics characteristics;
D O I：
10.4028/www.scientific.net/KEM.455.127
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In order to depress cutter vibration caused by high hardness and periodic change of cutting force in high speed milling complex surface, investigated the modal characteristics of ball-end milling cutter through the modal analysis and transient analysis. Using the models of dynamic cutting force and cutting vibration, acquired dynamics characteristics of high speed ball-end milling cutter by the spectrum analysis of dynamic cutting force, simulation analysis of cutting vibration and experiment of high speed milling hardened steel. Results indicate that high speed ball-end milling energy concentrates in few special frequencies, the rotational speed and the numbers of cutter teeth determine the fundamental frequency. High speed ball-end milling cutter easily makes radial bending vibration by the lower modal characteristics, the overhang and inclination angle of cutter affect its dynamics characteristics significantly, and the modal parameters and vibration model of cutter acquired by step response method have higher credibility.
引用
收藏
页码：127 / 131
页数：5
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