Corrected Calculation of Machine Settings for Spiral Bevel and Gears Using an Improved 6σ Method

被引：1
|
作者：
Peng S. [1 ,2 ]
Ding H. [1 ,2 ]
Tang J. [1 ,2 ]
机构：
[1] State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha
[2] School of Mechanical and Electrical Engineering, Central South University, Changsha
来源：
Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University | 2019年 / 53卷 / 06期
关键词：
Collaborative manufacturing; Multi-objective modification; optimization; Spiral bevel gears;
D O I：
10.7652/xjtuxb201906006
中图分类号：
学科分类号：
摘要：
An inverse calculation method of correction parameters for machine settings based on the design for 6σ is proposed to focus on the problem that the coupling among parameters for machine settings is difficult to control in the process of correction for spiral bevel gears and the resulting correction parameters have no practical significance. The method considers the coordination optimization between the precise tooth surface geometry and the tooth contact performance, and establishes a multi-objective optimization (MOO) model of collaborative manufacturing considering both geometric and physical performance for spiral bevel gears. The sensitivity coefficient of the tooth surface error at contact points to the machining settings is calculated, and then the sensitivity coefficient is used to obtain inverse corrections for the machining parameters that have great influence on the tooth surface error. Finally, the inverse corrections for machining parameters are used to obtain the loaded tooth contact performance through the loaded tooth contact analysis (LTCA), and the influence of unnecessary coupling among machine settings on the tooth contact performance is reduced. The calculation results and a comparison with the correction method of machine tool settings without considering the sensitivity coefficient show that both the maximum value and the minimum value of the ease-off obtained by the proposed method are reduced by at least 2 μm, and the loaded tooth contact performance items meet given requirements, which verifies the reliability and practicability of the proposed method. © 2019, Editorial Office of Journal of Xi'an Jiaotong University. All right reserved.
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页码：35 / 43
页数：8
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