Chatter reliability prediction of side milling blisk

被引：0

作者：

Zhang N. ^{[1
,2
]}

Shi Y. ^{[1
]}

Chen Z. ^{[1
]}

Chen H. ^{[2
]}

Liu J. ^{[3
]}

Zhao P. ^{[1
]}

机构：

[1] Key Laboratory of High Performance Manufacturing for Aero Engine, Ministry of Industry and Information Technology, Northwestern Polytechnical University, Xi'an

[2] School of Mechanical Engineering, Inner Mongolia University of Technology, Hohhot

[3] School of Aeronautics, Inner Mongolia University of Technology, Hohhot

来源：

Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University | 2021年 / 39卷 / 01期

关键词：

Aero-engine blisk; Chatter reliability; Experiment; First-order second-moment method; Monte Carlo method; Reliability lobe diagram; Side milling; Simulation; Stability lobe diagram;

D O I：

10.1051/jnwpu/20213910111

中图分类号：

学科分类号：

摘要：

During the blisk side milling, the blade is thin and the tool suspension length is large, which is easy to occur milling system chatter. The wavy surface left by chatter has great effect on the surface roughness and service performance of the aero-engine blisk. To accurately predict the stability of the blisk side milling, the influence of random variables on the machining stability was considered. In this paper, the chatter reliability model of the blisk side milling system was established using the first-order second-moment method. The model takes structural parameters and spindle speed as random variables and chatter frequency as intermediate variables. The chatter reliability model was used to draw the reliability lobe diagram, which can be used to divide the machining reliability area. The effectiveness of this method was verified by experiments and compared with Monte Carlo method. The validation results showed that the reliability lobe diagram can be used to determine the stability probability prediction of blisk side milling and can replace the traditional stability lobe diagram. © 2021 Journal of Northwestern Polytechnical University.

引用

页码：111 / 118

页数：7

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