基于试验设计和灰色关联度的橡皮囊成形回弹影响因素显著性分析

中国机械工程 ›› 2015, Vol. 26 ›› Issue (21): 2929-2933.

基于试验设计和灰色关联度的橡皮囊成形回弹影响因素显著性分析

刘玉琳1;鲍益东2;任亲虎1

1.安徽工业大学,马鞍山,243032
2.南京航空航天大学,南京,210016

出版日期:2015-11-10 发布日期:2015-11-06
基金资助:
国家自然科学基金资助项目(51105200);国家自然科学基金天元基金资助项目(11326088);安徽工业大学校青年科研基金资助项目(QZ201320);安徽省创新训练项目(201310360338)

Significance Analysis on Springback Infecting Factors in Rubber Bladder Forming Based on Design of Experiment and Grey Relation Degree

Liu Yulin1;Bao Yidong2;Ren Qinhu1

1.Anhui University of Technology,Ma'anshan,Anhui,243032
2.Nanjing University of Aeronautics and Astronautics,Nanjing,210016

Online:2015-11-10 Published:2015-11-06
Supported by:

摘要/Abstract

摘要：

橡皮囊成形是飞机钣金零件的一种重要成形工艺方法，回弹问题是橡皮囊成形的难点，对其影响因素进行显著性分析可有效控制回弹。基于橡皮囊成形有限元数值模拟，将正交试验设计方法与灰色关联度相结合用于分析橡皮囊成形回弹影响因素的显著性，以某实际长直U形件为例分析压力、最大充液速率、最大节点速度、保压时间、弯曲半径、板料厚度以及轧制方向等因素对回弹的影响程度，结果表明，模具圆角半径、压力、板料厚度、保压时间是橡皮囊成形回弹的主要影响因素，而最大充液速度、最大节点速度、轧制方向对回弹的影响较小。分析结果与工艺试验结果相吻合，从而验证了该方法的有效性。

关键词: 橡皮囊成形, 回弹, 灰色关联度, 显著性分析

Abstract:

Rubber bladder forming is a kind of important forming process for aircraft sheet metal parts.The springback problem was of difficulty in rubber bladder forming, and significance analysis on springback infecting factors might control the springback effectively.Herein,orthogonal experimental design combined with grey relation degree was used to analyse the significance for rubber forming springback influence factors based on the finite element numerical simulation,and a practical long straight U-shaped part was taken for example to analyse the influence degree on springback of these factors such as pressure, maximum volume flow rate,maximum node rate,holding time,bending radius,sheet thickness and the rolling direction.The analysis results show that bending radius of die,pressure,sheet thickness,holding time are the main influence factors for rubber forming springback,and other factors have less effects.The analysis results are consistent with the experimental ones,so the effectiveness of this method can be validated.

Key words: rubber bladder forming;springback;grey relation degree;significance , analysis

中图分类号:

TG302

刘玉琳, 鲍益东, 任亲虎. 基于试验设计和灰色关联度的橡皮囊成形回弹影响因素显著性分析[J]. 中国机械工程, 2015, 26(21): 2929-2933.

Liu Yulin, Bao Yidong, Ren Qinhu. Significance Analysis on Springback Infecting Factors in Rubber Bladder Forming Based on Design of Experiment and Grey Relation Degree[J]. China Mechanical Engineering, 2015, 26(21): 2929-2933.

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