全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

半圆形拉深筋圆角半径及金属流动方向对拉深筋阻力的影响

, PP. 1402-1407

Keywords: 车辆工程,拉深筋,圆角半径,金属流动方向,拉深筋阻力,回归分析

Full-Text   Cite this paper   Add to My Lib

Abstract:

通过实验测试与回归分析相结合的方法,研究了半圆形拉深筋的圆角半径和金属流动方向对拉深筋阻力的影响。通过专门设计的实验装置,分别测取了以圆角半径和金属流动方向为变量的拉深筋阻力数据,分析得出圆角半径对拉深筋阻力的影响呈近似线性关系,金属流动方向对拉深筋阻力的影响呈近似的抛物线关系。综合两个参数的影响规律,基于回归分析方法建立了拉深筋阻力的近似解析模型。最后,通过回归系数的T检验得出,金属流动方向对拉深筋阻力的影响要比圆角半径显著,并且金属流动方向与圆角半径的耦合效应较小。

References

[1]  邢宇 . 拉深筋的力能特性的实验研究[ D ] . 秦皇岛:燕山大学机械工程学院,2006 . Xing Yu. Experimental research on the mechanics characters of drawbead [ D ] . Qinhuangdao : College of Mechanical Engineering , Yanshan University ,2006 .
[2]  Sun Guang-yong , Li Guang-yao. Multiobjective robust optimization method for drawbead design in sheet metal forming [ J ] . Materials and Design , 2010, 31(4):1917 - 1929 .
[3]  余海燕,陈关龙,张卫刚,等 . 板料成型技术中拉深筋的研究进展[ J ] . 塑性工程学报,2004,11(3):77 - 81 . Yu Hai-yan , Chen Guan-long , Zhang Wei-gang , et al. Development of drawbead investigation in sheet metal forming technology [ J ] . Journal of Plasticity Engineering ,2004,11(3):77 - 81 .
[4]  Halkaci H S , Turkoz M , Dilmec M , et al. Enhancing formability in hydromechanical deep drawing process adding a shallow drawbead to the blank holder [ J ] . Journal of Materials Processing Technology , 2014,214(8):1638 - 1646 .
[5]  Demeri M Y. Drawbeads in sheet metal forming [ J ] . Journal of Materials Engineering and Performance ,1993,2(6):863 - 866 .
[6]  邢忠文,杨玉英,郭刚 . 薄板冲压成形中的拉深筋阻力及其影响因素研究[ J ] . 模具工业,1994,158(4):30 - 33 . Xing Zhong-wen , Yang Yu-ying , Guo Gang. Research on drawbead restraining force and its influence factors in sheet metal forming [ J ] . Die & Mould Industry , 1994,158(4):30 - 33 .
[7]  Nine H D. The applicability of coulomb's friction law to drawbeads in sheet metal forming [ J ] . Journal of Applied Metal Working ,1982,2(3):200 - 210 .
[8]  Yang J H , Chen J , He D N , et al. Experimental testing of drawbead restraining force in sheet metal forming [ J ] . Acta Metallurgica Sinica ,2003,16(1):46 - 50 .
[9]  张万才 . 基于实验拟合的拉深筋的等效模型研究及其在一步逆算中的应用[ D ] . 长春:吉林大学汽车工程学院,2012 . Zhang Wan-cai.The research of the equivalent drawbead model based on the fitting of experim-ental data and its application in the ore step inverse algorithm [ D ] .Changchun : College of Automobile Engineering , Jilin University ,2012 .
[10]  龚江,石培春,李春燕 . 巧用 Excel 解决多元非线性回归分析[ J ] . 农业网络信息,2011(1):46 - 48 . Gong Jiang , Shi Pei-chun , Li Chun-yan. Application of excel software in multi-nonlinear regress analysis [ J ] . Agriculture Network Information , 2011(1):46 - 48 .
[11]  刘建波,魏宗康 . 石英加速度计误差系数显著性分析[ J ] . 中国惯性技术学报,2011,19(5):615 - 620 . Liu Jian-bo , Wei Zong-kang. Significance analysis of QFPA's error model's coefficients [ J ] . Journal of Chinese Inertial Technology ,2011,19(5):615 - 620 .

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133