航空整体结构件加工变形校正技术研究

兵工学报 ›› 2010, Vol. 31 ›› Issue (8): 1072-1077.

航空整体结构件加工变形校正技术研究

张洪伟¹, 张以都², 吴琼², 代军²

(1.北京石油化工学院机械工程学院, 北京 102617;2.北京航空航天大学机械工程及自动化学院北京 100191)

收稿日期:2009-01-04 修回日期:2009-01-04 上线日期:2014-05-04
通讯作者: 张洪伟 E-mail:zhwjn@126.com
作者简介:张洪伟（1978—），男，讲师
基金资助:
国家“863”计划重点项目（2008AA042403）

Research on Deformation Straightening for Aeronautical Monolithic Components

ZHANG Hong-wei¹, ZHANG Yi-du², WU Qiong², DAI Jun²

(1.School of Mechanical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China;2.School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China)

Received:2009-01-04 Revised:2009-01-04 Online:2014-05-04
Contact: ZHANG Hong-wei E-mail:zhwjn@126.com

摘要/Abstract

摘要： 针对航空结构件的变形问题，提出了包含有加工残余应力的变形整体结构件三维质量模型的重构技术，建立加工变形—校正过程的协同仿真环境，将2个过程有机地结合起来；利用改进的二分法进行校正参数的计算，分析了校正支点位置的确定及不同校正载荷作用方式对于校正效果影响，揭示出加工后工件残余应力与校正残余应力的耦合作用规律；通过大量有限元仿真计算，获得了典型框类工件变形校正的规律性曲线，建立了适用于反弯校正的有限元数学模型，设计了变形校正试验，验证了有限元仿真结果的可行性和有效性。

关键词: 飞行器制造技术, 航空整体结构件, 加工变形, 校正, 有限元法, 残余应力

Abstract: The deformation straightening was studied. The construction of original geometrical model with machining residual stress was accomplished in a collaborative simulation environment combining machining process with straightening process. A modified dichotomy was proposed to calculate the straightening parameters. The influences of different constrains and straightening loads on the straightening were compared and analyzed. The coupling effects of initial residual stress and the induced stress due to the straightening load were discussed. The typical curves were obtained to guide the correcting production based on the finite element simulation results. The straightening experiments were designed to validate the FE simulation. The experiment results show the feasibility and effectiveness of the finite element model.

Key words: manufacture technology of aerocraft, aeronautical monolithic component, machining deformation, straightening, finite element method, residual stresses

中图分类号:

张洪伟, 张以都, 吴琼, 代军. 航空整体结构件加工变形校正技术研究[J]. 兵工学报, 2010, 31(8): 1072-1077.

ZHANG Hong-wei, ZHANG Yi-du, WU Qiong, DAI Jun. Research on Deformation Straightening for Aeronautical Monolithic Components[J]. Acta Armamentarii, 2010, 31(8): 1072-1077.

参考文献

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