板料激光弯曲试验

蔡友贵; 王秀凤; 陈光南; Jurgen Silvanus

板料激光弯曲试验

1.
北京航空航天大学机械工程及自动化学院, 北京 100191
2. 中国科学院力学研究所, 北京 100080
3. 欧洲宇航防务创新集团, 慕尼黑 81663

基金项目: 欧洲宇航防务创新集团(德国EADS Innovation Works)资助项目

详细信息

作者简介:
蔡友贵(1982-),女,湖北麻城人,硕士生,cygalice@163.com.

中图分类号: TN 249; TG 386.3⁺1
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出版历程
- 收稿日期: 2007-11-01
- 网络出版日期: 2009-02-28

Experiment of sheet metal on laser bending

1.
School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
2. Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China
3. European Aeronautic Defence and Space Innovation Works, Munich 81663, Germany

摘要

摘要: 针对大飞机壁板用的铝合金板料AA6056进行激光弯曲过程的试验研究.试验选用厚度为1.0 mm和2.5 mm的薄板,采用多组不同的工艺参数进行对比分析.采用直径0.1 mm的镍铬-镍硅热电偶作为温度传感器,YOKOGAWA MV200型便携式记录仪测量板料表面的温度;使用MV-1300UM CCD拍摄板料激光弯曲变形的过程,通过自行开发的实时采集软件记录并进行图像处理,最终得到了板料激光弯曲变形过程的实测曲线.试验结果为该过程的数值模拟提供了更为精确的验证依据,为深入研究板料激光弯曲过程奠定了试验基础.
- 激光弯曲 /
- 实时测量 /
- 温度场 /
- 位移场
Abstract: The process of laser bending for aluminium alloy AA6056 used to produce large airplane panel was studied through experiment. The thickness of specimens was selected 1.0 mm and 2.5 mm separately. The different groups of the technological parameters were used to analyze contrastively in the process of laser bending. The specimen was clamped at one end as a cantilever plate and was irradiated by the laser beam in the width direction. 0.1 mm diameter NiCr/NiSi thermocouple was adopted as temperature sensor in the experiment, and the temperature on the specimen surface was measured by YOKOGAWA MV200 measuring device. A free end point was chosen as a measuring point and a CCD-camera recordsed its displacement during the laser bending process. The video was processed by the measuring software, which was developed by Beijing University of Aeronautics and Astronautics, and the displacement value can be obtained. Experiment result supplies more accurate data for numerical simulation of laser bending process and provides the experimental foundation for research on laser bending process deeply.
- laser bending /
- real-time measurement /
- temperature field /
- deformation field

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参考文献(1)

[1] 程丽芳.铝合金板激光弯曲成形的实验研究 .大连:大连理工大学机械工程学院,2005 Cheng Lifang. Experimental research on laser bending and forming of aluminum .Dalian: School of Mechanical & Engineering, Dalian University of Technology,2005(in Chinese) [2] Geiger M. Synergy of laser material processing and metal forming [J]. Annals of CIRP, 1994, 43(2):563-570 [3] Vollertsen F. Mechanisms and models for laser forming Laser Assisted Net Shape Engineering 1. Bamberg: Meisenbach GmbH, 1994,1:345-359 [4] 周益军,张永康,孔德军,等.基于水冷却的不锈钢板料激光热应力成形试验[J].农业机械学报,2007, 38(4):172-176 Zhou Yijun, Zhang Yongkang, Kong Dejun, et al. Study on laser forming of AISI304-sheet metal by thermal stress based on water-cooling[J]. Transactions of the Chinese Society of Agricultural Machinery, 2007,38(4): 172-176(in Chinese) [5] 裴继斌,张立文,张全忠,等.船舶钢板激光弯曲成形的试验研究[J].锻压技术, 2005,5:64-66 Pei Jibin, Zhang Liwen, Zhang Quanzhong, et al. Experimental study on laser bending of shipbuilding sheet plate[J]. Forging & Stamping Technology,2005,5:64-66(in Chinese) [6] 管延锦,张建华,孙胜,等.扫描路径规划对激光弯曲成形影响的实验研究[J].锻压技术,2005,1:36-39 Guan Yanjin, Zhang Jianhua, Sun Sheng, et al. Experimental study on the influence of planning parameters of scanning paths on laser bending of sheet metals[J]. Forging & Stamping Technology, 2005,1:36-39(in Chinese) [7] Wang X F, Takacs Janos, Krallics Gyorgy, et al. Research on the themo-physical process of laser bending [J]. Journal of Materials Processing Technology, 2002, 127:388-391 [8] 王秀凤,吕晓东,胡世光,等.薄板激光弯曲温度场的数值模拟与校验[J].北京航空航天大学学报,2003, 29(5):377-381 Wang Xiufeng, Lü Xiaodong, Hu Shiguang, et al. Research on numerical simulation and verify of laser bending for sheet metal [J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(5):377-381(in Chinese)

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