锻压技术

基于三维全场应变摄影测量的板料成形极限动态在线测定

英文标题：Dynamic and online measurement of metal sheet forming limit based on photogrammetry 3Dfull field strain

作者：陈军梁晋胡浩

分类号：TG806;TP391

出版年,卷(期):页码：2013,38(4):18-22

摘要：

针对目前材料成形极限无法实现在线动态测定的不足，本文将数字图像相关法和双目立体视觉技术相结合，提出一种基于三维全场应变摄影测量的动态在线测定材料成形极限的方法，并研制了快速在线动态测定板料成形极限的实验装置。通过平面金属试件的成形极限测定实验，验证了该方法用于动态在线快速建立材料成形极限图FLD的有效性。

As for that the dynamic online measurement of metal sheet forming limit can not be determined easily, a dynamic and online measurement method was proposed based on photogrammetry 3D-full field strain combined with binocular stereo vision and digital image correlation method, and a dynamic online measurement device for fast detecting the metal sheet forming limit was designed. The effectiveness of this method for quickly establishing dynamic online measurement of metal sheet forming limit map FLD was proved by testing the metal sheet forming limit.

基金项目：

国家自然科学基金资助项目(51275378,51275389); 江苏省科技创新项目(SBC201210069)。

陈军（1980-），男，硕士研究生

参考文献：

［1］谢英,万敏,韩非.板料成形极限应变与极限应力的转换关系[J]. 塑性工程学报,2004,6 (3) :55-58. Xie Y, Wan M , Han F. Forming limit strain and ultimate stress conversion relationship[J]. Plasticity Engineering,2004,6 (3) :55-58.
［2］曹宏深. 复合变形路径下的板材冲压成形极限应变(Ⅰ):冲压成形极限应变的立论与解析[J]. 机械工程学报, 2008, 44(2): 54-61. Cao H S. Limit strains of sheet metal forming under broken-line strain paths(Ⅰ):Proposing and analyzing on the limit strains for sheet metal forming[J]. Chinese Journal of Mechanical Engineering, 2008, 44(2): 54-61.
［3］韩非,万敏,吴向东. 板料成形极限理论与实验研究进展[J]. 塑性工程学报,2006,10 (5) :80-86. Han F, Wan M, Wu X D. Sheet metal forming limit theory and experimental research[J]. Plasticity Engineering,2006,10 (5):80-86.
［4］陈劼实, 周贤宾. 板料成形极限的理论预测与数值模拟研究[J]. 塑性工程学报, 2004, 11 (1) :13-17.Chen J S, Zhou X B. The theoretical prediction and numerical simulation of sheet metal forming limit [J]. Journal of Plasticity Engineering, 2004, 2 (11):13-17.
［5］Peters W, Ranson W. Digital imaging techniques in experimental stress analysis[J]. Optical Engineering, 1982, 21 (3): 427-431.
［6］James K W. None contact machine vision metrology within a CAD coordinate system[A].Proceedings of Autofactc's 88 Conference[C]. Chicago Illinois, 1988.
［7］刘凤梅,段发阶,叶声华.一种新的高精度的线结构光传感器标定方法[J]. 天津大学学报,1999,32(5):547-550.Liu F M, Duan F J, Ye S H. New accurate calibrating technique for the light-strip sensors[J]. J.Tianjin University,1999,32(5):547-550.
［8］魏振忠,张广军,徐园.一种线结构光传感器标定方法[J]. 机械工程学报,2005,41(2):210-214. Wei Z Z, Zhang G J, Xu Y. Calibration approach for structured lighted stripevision sensor[J]. Chin.J.Mechanical Engineering, 2005, 41(2):210-214.
［9］Sutton M A,Cheng M, Peters W H, et al. Application of an optimized digital correlation method to planar deformation analysis[J]. Image Vision Comput., 1986, 4 (3): 143-150.
［10］周富强，张广军.表面视觉传感器模型参数的简易标定方法[J]. 机械工程学报，2005，41(3)：175-179. Zhou F Q, Zhang G J. Facilitated method to calibrate model parameters of vision sensor for surface measurement[J]. Chinese Journal of Mechanical Engineering, 2005, 41(3)：175-179.
［11］周富强, 张广军, 魏振忠, 等. 基于未知运动一维靶标的双目视觉传感器标定[J]. 机械工程学报, 2006, 42(6): 92-96. Zhou F Q, Zhang G J, Wei Z Z, et al. Calibrating binocular vision sensor with onedimensional target of unknown motion [J]. Chinese Journal of Mechanical Engineering, 2006, 42(6): 92-96.
［12］孙军华, 吴子彦, 刘谦哲, 等. 大视场双目立体视觉传感器的现场标定[J]. 光学精密工程, 2009, 17 (3): 633-640. Sun J H, Wu Z Y, Liu Q Z, et al. Field calibration of stereo vision sensor with large FOV [J]. Optics and Precision Engineering, 2009, 17 (3): 633-640.
［13］胡浩, 梁晋, 唐正宗, 等. 大视场多像机视频测量系统的全局标定[J]. 光学精密工程, 2012, 20 (2): 369-378. Hu H, Liang J, Tang Z Z, et al. Global calibration for muti-camera videogrammetric system with large-scale field of view [J]. Optics and Precision Engineering, 2012, 20 (2): 369-378.
［14］GB/T 24171.1-2009, 金属材料薄板和薄带成形极限曲线的测定第1部分:冲压车间成形极限图的测量及应用[S]. GB/T 24171.1-2009, Metallic materials. Sheet and strip. Determination of forming limit curves. Part 1:Measurement and application of forming limit diagrams in press shop[S].
［15］GB/T 24171.2-2009，金属材料薄板和薄带成形极限曲线的测定第2部分:实验室成形极限曲线的测定[S]. GB/T 24171.2-2009, Metallic materials. Sheet and strip. Determinations of forming limit curves. Part 2:Determinations of forming limit curves in laboratory[S].
［16］郑静风,李少平,何丹农. 板料成形中新型润滑方法研究[J]. 锻压技术,2003,6 (3) :62-64. Zeng J F, Li S P, He D N. Sheet metal forming new lubricating method[J]. Forging & Stamping Technology, 2003,6(3):62-64.

服务与反馈：

【文章下载】【加入收藏】