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浙江大学学报(工学版)
浙江大学学报(工学版)
机械工程     
飞机叠层结构预联接工艺优化
毕运波1,吴原骅1,朱伟东1,沈立恒2,黄稳2,朱宇2
1.浙江大学 机械工程学院， 浙江 杭州 310027; 2.上海飞机制造有限公司,上海 200436
Pre connected process optimization of aircraft stacks
BI Yun bo1, WU Yuan hua1, ZHU Wei dong1,SHEN Li heng2, HUANG Wen2, ZHU Yu2
1.Department of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China;2.Shanghai Aircraft Manufacturing Company Limited, Shanghai 200436 ,China
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摘要：
为有效消除叠层件之间由于制造误差、定位误差、钻削力等因素产生的初始间隙和制孔间隙, 提出预联接工艺优化方法, 预联接件的紧固作用可有效消除叠层间隙, 抑制毛刺生长.通过建立蒙皮和边梁之间的预联接有限元简化模型, 在不考虑压紧力的情况下, 研究不同预联接件数量、安装位置以及预紧力条件下的叠层残余间隙和制孔间隙, 给出最优预联接工艺方案, 通过机器人自动化制孔系统进行实验, 验证了该优化方案的正确性和有效性. 实验结果表明, 随着预紧力的增大, 叠层毛刺尺寸先明显减小后小幅增大, 较优的预联接件数量和安装位置可优化叠层件的接触刚度, 有效减小毛刺尺寸.
Abstract:
A pre connected process optimization method was proposed in order to effectively eliminate the initial gap and drilling gap between the stacks due to manufacturing errors, positioning errors, drilling force and other factors in the assembly processes of aircraft parts. The tightening effect of pre connectors can effectively eliminate the stacked gap and inhibit the formation of burrs. A simplified pre connection finite element model was established without the considering of the pressing force. And the residual gap and drilling gap under the conditions of different pre connector's quantity, installation location and pre load were studied, then the optimal pre connection scheme was obtained. Finally, each scheme was compared and verified by robot automatic drilling experiments. Experimental results show that the interlayer burr size is significantly reduced with the increasing of the preload before it is slightly increased. Better pre connector's quantity and installation location can optimize the contact stiffness of the stacks so that the interlayer burr size can be effectively reduced.
出版日期: 2015-11-01
:  TH 16  
基金资助:

国家自然科学基金资助项目(51275463, 51205352) .
作者简介: 毕运波(1979-), 男, 副教授, 从事飞机数字化装配技术研究. ORCID:0000 0002 6270 3030.E-mail: zjubyb@zju.edu.cn
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引用本文:

毕运波,吴原骅,朱伟东,沈立恒,黄稳,朱宇. 飞机叠层结构预联接工艺优化[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008 973X.2015.11.003.

BI Yun bo, WU Yuan hua, ZHU Wei dong,SHEN Li heng, HUANG Wen, ZHU Yu. Pre connected process optimization of aircraft stacks. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008 973X.2015.11.003.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008 973X.2015.11.003    或    http://www.zjujournals.com/eng/CN/Y2015/V49/I11/2040

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