Transactions of Materials and Heat Treatment

Title：Influence of blanking clearance on punching section quality and punch wear for bend chain plate

Authors： Wang Yongming1 2 Dong Shuhao1 2 Li Wei1 2

Unit： .School of Mechanical Engineering Anhui University of Technology 2.Anhui Province Key Laboratory of Special Heavy Load Robot Anhui University of Technology

KeyWords： bend chain plate blanking clearance punching section quality punch wear

ClassificationCode：TG386

year,vol(issue):pagenumber：2023,48(3):68-74

Abstract：

In order to study the influence of blanking clearance on punching section quality and punch wear for pin-joint bent chain plate, the punching simulation models with four sets of different blanking clearance were established by DEFORM software, and the change curves of punch stroke and punching force under different blanking clearances were obtained by simulation. Then, the variation trend of the section quality and the maximum wear amount of punch with the blanking clearance were analyzed, and the punching die was made for experimental verification. The simulation results show that the length of section bright band and the depth of punch wear decrease as the punching clearance increases. Based on the punching force curves at different punching clearances, the punching power curve is plotted, and the optimal punching clearance value is determined to be 0.2 mm. At this time, the simulated value of the length of bright band on the punching section is 2.11204 mm, and the service life of punch is predicted to be 62000 pieces. The punching test was carried out and the test results find that when the punching clearance is 0.2 mm, the measured value of the length of bright band on the punching section is 2.19 mm, and the relative error with the simulated value is only 3.7%, which verifies the accuracy of the simulation results and provides effective guidance for the development of punching dies.

Funds：

安徽省重点研究与开发计划项目(202004a05020008)

汪永明（1971-）,男，博士,教授 E-mail：wangym@ahut.edu.cn

Reference：

[1]曹秒艳, 田少杰, 胡晗, 等. 超声振动辅助铝合金板冲裁研究[J]. 塑性工程学报，2020，27(3)：1-9.

Cao M Y, Tian S J, Hu H, et al. Research on ultrasonic vibration assisted blanking of aluminum alloy sheet[J]. Journal of Plasticity Engineering, 2020, 27(3): 1-9.

[2]Aravind U, Chakkinggal U, Vengopal P A. Review of fine blanking: Influence of die design and process parameters on edge quality[J]. Journal of Materials Engineering and Performance, 2021, 30(1): 1-32.

[3]郑小慧. 基于Archard理论的汽车板件热冲压模具磨损分析[J]. 锻压技术,2021,46(11):150-154.

Zheng X H. Wear analysis on hot stamping die for automobile panel based on Archard theory[J]. Forging & Stamping Technology，2021,46(11):150-154.

[4]王心可, 汪喆, 崔荣高, 等. 冲裁工艺对无取向电工钢叠片磁性能的影响[J]. 上海交通大学学报，2019，53(9)：1115-1121.

Wang X K, Wang Z, Cui R G, et al. Influence of blanking process on the magnetic properties of non-oriented electrical steel lamination[J]. Journal of Shanghai Jiaotong University, 2019, 53(9): 1115-1121.

[5]郑海涛, 樊瑜瑾, 杨振, 等. T2铜板冲裁间隙对冲裁力及断面质量的影响[J]. 材料科学与工艺，2016，24(6)：61-66.

Zheng H T, Fan Y J, Yang Z, et al. The effect of punching clearance on punching force and quality of cross section for T2 copper[J]. Materials Science and Technology, 2016, 24(6): 61-66.

[6]廉冰娴, 樊文渊. 基于RSM的汽车不锈钢板件冲压模具磨损CAE分析[J]. 锻压技术,2022,47(6):113-117.

Lian B X，Fan W Y. CAE analysis on stamping mold wear for automobile stainless steel plate based on RSM[J]. Forging & Stamping Technology,2022,47(6):113-117.

[7]Mucha J, Tutak J. Analysis of the influence of blanking clearance on the wear of the punch, the change of the burr size and the geometry of the hook blanked in the hardened steel sheet[J]. Materials, 2019, 12(8)： 1261-1261.

[8]Sahli M, Roizard X, Assoul M, et al. Finite element simulation and experimental investigation of the effect of clearance on the forming quality in the fine blanking process[J]. Microsystem Technologies, 2021, 27(3): 871-881.

[9]He J, Wang Z, Li S H, et al. Optimum clearance determination in blanking coarse-grained non-oriented electrical steel sheets: Experiment and simulation [J]. International Journal of Material Forming，2019, 12(4): 575-586.

[10]叶成, 樊瑜瑾, 蒋崇健, 等.叠层紫铜母排冲裁成形研究[J].塑性工程学报，2020，27(8)：84-91.

Ye C, Fan Y J, Jiang C J, et, al. Study on blanking process of laminated copper busbar[J]. Journal of Plasticity Engineering, 2020, 27(8): 84-91.

[11]Mori K, Abe Y, Sedoguchi K. Delayed fracture in cold blanking of ultra-high strength steel sheets[J]. CIRP Annals, 2019, 68(1): 297-300.

[12]宋劲坤, 陈建钧, 葛家豪. 基于分形理论的冲裁断面质量评价研究[J]. 华东理工大学学报:自然科学版，2020，46(5)：709-714.Song J K, Chen J J, Ge J H. Quality evaluation of blanking cross-section based on fractal theory[J]. Journal of East China University of Science and Technology:Natural Science Edition，2020, 46(5): 709-714.

[13]GB/T 228.1—2021，金属材料拉伸试验第1部分：室温试验方法[S].

GB/T 228.1—2021，Metallic materials—Tensile testing—Part 1: Method of test at room temperature[S].

[14]郑金辉. 基于Deform的汽车仪表板支架冲压模具有限元分析[J]. 吉林化工学院学报，2016，33(9)：52-56.

Zheng J H. Finite element analysis of stamping die for automobile instrument panel bracket based on deform software[J]. Journal of Jilin Institute of Chemical Technology, 2016, 33(9): 52-56.

[15]朱倩倩, 刘臣富, 尤富仪. 基于正交试验的汽车哈克钉铆套冲孔工艺优化及模具磨损研究[J]. 锻压技术,2022,47(11):62-69.

Zhu Q Q，Liu C F，You F Y. Research on punching process optimization and die wear for automobile Huck rivet sleeve based on orthogonal test[J]. Forging & Stamping Technology,2022,47(11):62-69.

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