吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (06): 1529-1535.doi: 10.7964/jdxbgxb201306016

• paper • Previous Articles     Next Articles

Method of flexible rolling for surface sheet metal

LI Ren-jun, LI Ming-zhe, XUE Peng-fei, CAI Zhong-yi, QIU Ning-jia   

  1. Dieless Forming Technology Center, Jilin University, Changchun 130022, China
  • Received:2012-09-26 Online:2013-11-01 Published:2013-11-01

RICH HTML

0   

PDF (PC)

372

Abstract:

Flexible rolling for surface of sheet metal is a novel method, which combines the traditional rolling technology with the multi-point forming. The curvature of the rigid rolls is adjusted by several control points in the rolling process to meet the requirements of forming forces of different surface work pieces. The three-dimensional (3D) plastic deformation of the surface sheet and the sheet feeding can be achieved by the rolling reductions and the rolls rotation. This article discusses the basic principles, forms and forming characteristics of the surface flexible rolling technology. The formula of work rolls bending radius of the circle is derived. The correctness of the method is verified by simulation of explicit dynamic finite element analysis. The effect of the maximum rolling reduction on rolling horizontal and vertical curvature is given. A surface flexible rolling device is developed for the first time and several 3D surfaces, such as spherical pieces and saddle-shaped pieces, are obtained using this device. The work pieces have good surface rolling effect and the results of the test and simulation prove the feasibility and practicality of the surface flexible rolling method.

Key words: material synthesis and processing technology, flexible forming, multi-point forming, surface rolling, flexible roller

CLC Number: 

  • TG335.12

[1] Li Ming-zhe, Liu Yu-hong, Su Shi-zong, et al. Multi-point forming: a flexible manufacturing method for a 3-d surface sheet[J]. Journal of Materials Processing Technology, 1999,87(1-3): 277-280.

[2] Li M Z, Cai Z Y, Sui Z, et al. Multi-point forming technology for sheet metal[J]. Journal of Materials Processing Technology, 2002, 129(1-3): 333-338.

[3] 李明哲,胡志清,蔡中义,等. 自由曲面工件多点连续成形方法[J]. 机械工程学报, 2007,43(12):155-159. Li Ming-zhe,Hu Zhi-qing,Cai Zhong-yi,et al. Method of multipoint continuous forming for the freeform surface parts[J]. Chinese Journal of Mechanical Engineering, 2007, 43(12): 155-159.

[4] 胡志清,李明哲,龚学鹏. 三维曲面板类件的连续柔性成形技术研究[J]. 塑性工程学报,2008, 15(1):51-54. Hu Zhi-qing, Li Ming-zhe, Gong Xue-peng. The continuous flexible method for forming the three-dimension surface parts[J]. Journal of Plasticity Engineering, 2008, 15(1): 51-54.

[5] Hu Z Q,Li M Z,Cai Z Y, et al. Continuous flexible forming of three-dimensional surface parts using bendable rollers[J]. Materials Science and Engineering A, 2009,499(1-2): 234-237.

[6] Gong Xue-peng, Li Ming-zhe, Lu Qi-peng, et al. Research on continuous multi-point forming method for rotary surface[J]. Journal of Materials Processing Technology, 2012,212(1):227-236.

[7] 周朝晖,蔡中义,李明哲. 多点模具的拉形工艺和数值模拟[J].吉林大学学报:工学版, 2005,35(3):287-291. Zhou Zhao-hui, Cai Zhong-yi, Li Ming-zhe. Stretching process based on multi-point die and its numerical simulation[J]. Journal of Jilin University (Engineering and Technology Edition), 2005, 35(3):287-291.

[8] 陈雪. 基于离散夹钳与多点模具的板材柔性拉形技术研究[D]. 长春:吉林大学材料科学与工程学院,2011. Chen Xue. Research on flexible stretch forming technology for sheet metal based on discrete-gripper and multi-point die[D]. Changchun: College of Materials Science and Engineering,Jilin University, 2011.

[9] 龚学鹏,李明哲,胡志清. 连续多点成形过程中起皱缺陷的有限元分析[J]. 机械工程学报,2010,46(22):31-35. Gong Xue-peng, Li Ming-zhe, Hu Zhi-qing. Finite element analysis on wrinkle during process of continuous multi-point forming[J]. Chinese Journal of Mechanical Engineering, 2010, 46(22): 31-35.
[1] FU Wen-zhi, LIU Xiao-dong, WANG Hong-bo, YAN De-jun, LIU Xiao-li, LI Ming-zhe, DONG Yu-qi, ZENG Zhen-hua, LIU Gui-bin. Multi-point forming process of 1561 aluminum alloy surfaces [J]. 吉林大学学报(工学版), 2017, 47(6): 1822-1828.
[2] WANG Hui, ZHOU Jie, XIONG Yu, TAO Ya-ping, XIANG Rong. Springback compensation for stamping part with complex surface based on reverse engineering [J]. 吉林大学学报(工学版), 2017, 47(6): 1842-1847.
[3] WANG Chun-sheng, ZOU Li, YANG Xin-hua. Analysis of fatigue life factors of aluminum alloy welded joints based on neighborhood rough set theory [J]. 吉林大学学报(工学版), 2017, 47(6): 1848-1853.
[4] LUN Feng-yan, FU Wen-zhi, LI Ming-zhe, YI Zhuo, WANG Xin-tong, CHEN Xue. Forming of flexible rolling of three-dimensional surface based on bended rolls [J]. 吉林大学学报(工学版), 2017, 47(3): 876-883.
[5] HU Kan, YU Ye, YING Liang, HU Ping, HOU Wen-bin. Optimization design of hot-stamping beam structure considering rollover crash safety of school bus [J]. 吉林大学学报(工学版), 2017, 47(3): 884-890.
[6] CHENG Yan-yan, LI Ming-zhe, XING Jian. Effect of unit form on flexible stretch forming of multi-point die [J]. 吉林大学学报(工学版), 2016, 46(5): 1552-1557.
[7] GAO Song, LIANG Ji-cai, CHEN Guang-yi, WEI Zhi-yong, TENG Fei. Rapid adjusting of fundamental units in process of flexible 3D stretch-bending [J]. 吉林大学学报(工学版), 2014, 44(6): 1723-1728.
[8] HU Zhi-qing,ZHEN Jiao-jiao,FENG Zeng-ming,ZHOU Shu-hong. Flexible rolling and stretch forming surface technology and numerical simulation [J]. 吉林大学学报(工学版), 2014, 44(3): 701-707.
[9] WANG Mi, CAI Zhong-yi, LI Ming-zhe, WANG Da-ming. Calculation of bending deformation of flexible roll forming for three-dimensional surface parts and numerical simulation [J]. 吉林大学学报(工学版), 2014, 44(2): 404-408.
[10] CAO Jun-hui, FU Wen-zhi, LI Ming-zhe, PENG He-li. Influence factors on dimpling in multi-point thermoforming for polymer sheet [J]. 吉林大学学报(工学版), 2013, 43(06): 1536-1540.
[11] SUI Zhou, CAI Zhong-yi, LAN Ying-wu, LI Ming-zhe. Shape control model for three-dimensional surface part in continuous flexible forming process [J]. 吉林大学学报(工学版), 2013, 43(05): 1302-1306.
[12] CHEN Wei, NA Jing-xin. One step forming positive method based on deformation theory [J]. 吉林大学学报(工学版), 2013, 43(02): 358-362.
[13] HAN Qi-gang, LI Ming-zhe, FU Wen-zhi, FENG Peng-xiao. Flexible stretch-stamp forming system used for double curved sheet metal [J]. 吉林大学学报(工学版), 2012, 42(增刊1): 212-215.
[14] ZHANG Qing-fang, CAI Zhong-yi, LI Ming-zhe, ZHANG Yan. Compensation algorithm for springback in multi-point forming and its validation [J]. , 2012, (06): 1448-1452.
[15] LIU Zhi-wei, LI Ming-zhe, HAN Qi-gang. Numerical simulation on multi-point sheet metal forming with wrinkle resistance function [J]. , 2012, 42(05): 1208-1213.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
No Suggested Reading articles found!
Copyright © Journal of Jilin University(Engineering and Technology Edition), All Rights Reserved.
Tel: +86-431-85095297　Fax: +86-431-85094074　E-mail: xbgxb@jlu.edu.cn
Powered by Beijing Magtech Co. Ltd