Transactions of Materials and Heat Treatment

Title：Research on forming defects of steering frame side member upper

Authors： Liang Jiye Zhang Xueguang He Guangzhong

Unit： CRRC Changchun Railway Vehicles Co. Ltd.

KeyWords： railway vehicle stamping defects control numerical simulation springback

ClassificationCode：TG302

year,vol(issue):pagenumber：2018,43(11):28-32

Abstract：

In order to improve the forming accuracy of steering frame side member upper cover plate in CRH train，its stamping process was simulated and analyzed by finite element software Pamstamp-2G. Then, the causes of forming defects such as the bending of straight line segment, low contour accuracy and longitudinal side bending were analyzed, and the corresponding control methods were proposed. The results show that the bending defect of straight line segment is controlled effectively by adopting the anti-bending method, and the contour accuracy is evidently improved based on the springback amount to compensate the die surfaces. Then, the longitudinal side bending defect is eliminated effectively by adding the guide device to the forming dies based on the structure of part. Furthermore, the forming tests were conducted by the obtained defect controlling methods, the straight-line and fine contour precision in the forming part were obtained, the longitudinal side bending defect was suppressed, and the high quality parts were obtained, which verify the correctness of the conclusions in this work.

Funds：

国家自然科学基金资助项目（51575231）

梁继业（1965-），男，本科，高级工程师,E-mail：liangjiye@cccar.com.cn;通迅作者：张学广（1989-），男，博士，高级工程师,E-mail：zxg13@mails.jlu.edu.cn

Reference：

[1]Vollersten F, Spenger A, Kraus J, et al. Extrusion, channel, and profile bending: A review [J]. Journal of Materials Processing Technology, 1999, 87(1-3): 1-27.

[2]朴明伟，张山，梁树林，等. 高铁运用经济速度与安全稳定裕度调控[J]. 振动工程学报, 2013, 26(6): 935-943.

Piao M W, Zhang S, Liang S L, et al. Economic velocity and safety stablility margin regulation for high-speed rail operation[J]. Journal of Vibration Engineering, 2013, 26(6): 935-943.

[3]滕靖，申博，费翔，等. 高铁车站公交接驳线路设计[J]. 系统工程理论与实践, 2013, 33(11): 2937-2944.

Teng J, Shen B, Fei X, et al. Designing feeder bus lines for high-speed railway terminals[J]. Systems Engineering-theory & Prac-tice, 2013, 33(11): 2937-2944.

[4]刘建强, 赵治博, 章国平, 等. 地铁车辆转向架轴承故障诊断方法研究[J]. 铁道学报, 2015, 37(1): 30-36.

Liu J Q, Zhao Z B, Zhang G P, et al. Research on fault diagnosis method for bogie bearing of metro vechicle[J]. Journal of the China Railway Society, 2015, 37(1): 30-36.

[5]王文静, 王燕, 孙守光, 等. 高速列车转向架载荷谱长期跟踪试验研究[J]. 西南交通大学学报, 2015, 50(1): 84-89.

Wang W J, Wang Y, Sun S G, et al. Long-term load spectrum test of high-speed train bogie[J]. Journal of Southwest Jiaotong University, 2015, 50(1): 84-89.

[6]刘婧瑶, 唐承统, 宁汝新. 薄壁管纯弯曲塑性成形分析及回弹计算[J]. 塑性工程学报, 2009, 16(2): 5-9,14.

Liu J Y, Tang C T, Ning R X. Plastic-formation analysis and springback calculating of thin-wall tube pure-bending[J]. Journal of Plasticity Engineering, 2009, 16(2): 5-9,14.

[7]冯杨, 兰凤崇, 阮锋. 基于补偿因子的复杂型面零件冲压回弹控制研究与应用（第Ⅰ部分：理论）[J]. 塑性工程学报, 2014, 21(6): 51-55.

Feng Y, Lan F C, Ruan F. Theoretical analysis and application research on compensation factors of sheet metal stamping springback (I: Theory)[J]. Journal of Plasticity Engineering, 2014, 21(6): 51-55.

[8]韩金全, 万敏, 李卫东. 基于回弹的飞机蒙皮拉形模型面修模技术研究[J]. 机械工程学报, 2009, 45(11): 184-188.

Han J Q, Wan M, Li W D. Surface improvement based on springback compensation for aircraft skin stretching tool[J]. Journal of Plasticity Engineering, 2009, 45(11): 184-188.

Service：

【This site has not yet opened Download Service】【Add Favorite】