Transactions of Materials and Heat Treatment

Title：Parameter control and finite element simulation of hydraulic shear for continuous casting steel square billet

Authors： Liu Xuhui1 Tang Guoqing1 Fang Ziyun1 Hu Dachao1 Pu Meiling2 Yan Ben3

Unit： 1.School of Mechanical Engineering Shanghai Institute of Technology 2.Shanghai Yuanhe Electromechanical Technology Company 3.Shanghai Yaxin Continuous Casting Technology Engineering Company

KeyWords： continuous casting steel billet hydraulic shear section quality shear clearance shear speed steel billet thickness

ClassificationCode：TG48

year,vol(issue):pagenumber：2023,48(7):249-254

Abstract：

Aiming at the problem that the traditional hydraulic shear is easy to cause the poor section quality of continuous casting billet, a method of 45° oblique shearing hydraulic shear was proposed. Firstly, the shear model of steel billet and shear blade was established, and the finite element analysis on the shearing process of 45° steel billet hydraulic shear was carried out by ANSYS/LS-DYNA sofwar to simulate the equivalent stress of billet in the elastic deformation stage, the plastic deformation stage and the fracture separation stage. Secondly, the influences of shear clearance, shear temperature, billet thickness and shear speed on the shearing quality of 45° steel billet hydraulic shear were investigated by using the research method with a single variable. The results show that with the increasing of shear clearance, the shear force first decreases and then increases. When the billet thickness increases every 5 mm, the maximum shear force increases by about 40-50 kN. With the increasing of the shear speed of billet, the maximum shear force increases. Thus, the best shearing parameters are obtained, which provides a stable shearing force for the shearing of billets, ensures good shearing quality, avoids material loss, and improves shearing efficiency.

Funds：

上海市科委地方高校能力建设项目（20090503000）；上海应用技术大学产学研协同创新项目（XTCX2022-31）；上海市科技型中小企业创新资金项目（220H1074300）

作者简介：刘旭辉（1978-），男，博士，教授 E-mail：liu_xuhui79@163.com

Reference：

[1]贾建军,彭颖红,阮雪榆.精冲断裂过程的有限元模拟[J].上海交通大学学报,2003,37(7):1064-1067.

Jian J J, Peng Y H, Ruan X Y. The FEM simulation of fine blanking ductile fracture[J]. Journal of Shanghai Jiao Tong University, 2003,37(7):1064-1067.

[2]赵晓雯,刘丰,于恩林.管材滚压剪切过程三维弹塑性有限元分析[J].中国机械工程,2005,16(1):44-47.

Zhao X W, Liu F, Yu E L. 3D Elastoplastic finite element analysis on tube rollcutting process[J]. China Mechanical Engineering, 2005,16(1):44-47.

[3]温彤,陈霞.金属板材剪切变形全过程的模拟[J].模具技术,2006，(4):3-6，28.

Wen T, Chen X. Simulation of the whole process of shear deformation of sheet metal[J]. Die & Mould Technology,2006，(4):3-6，28.

[4]姚云峰,李岭冲,张双杰,等.中间坯快速剪切挤压连接机构特性分析与优化[J].机械设计,2016,33(12):85-89.

Yao Y F，Li L C，Zhang S J，et al. Characteristic analysis and optimization of fast shearextrusion joining mechanism for intermediate billets[J]. Journal of Machine Design, 2016,33(12):85-89.

[5]聂静良. 上剪刃几何参数及剪切速度对剪切过程影响的研究[D].太原：太原科技大学,2015.

Nie J L. Study on the Influence of Geometrical Parameters of Upper Cutting Edge and Shear Velocity on Shearing Process[D]. Taiyuan: Taiyuan University of Science and Technology,2015.

[6]崔耕新,姒伟华.铡刀剪剪切过程的分析及数值模拟[J].一重技术,2016，(5):60-64.

Cui G X, Si W H. FEM analysis & numerical simulation to cutting of frame shear[J]. CFHI Technology,2016，(5):60-64.

[7]景群平,张勇安,许展望,等.冷轧板带材切边圆盘剪侧向间隙及其精度的探讨[J].重型机械,2010，(2):29-31.

Jing Q P, Zhang Y A, Xu Z W, et al. Discussion of gap adjustment and accuracy in the trimming disk shear for cold rolled plate[J]. Heavy Machinery,2010，(2):29-31.

[8]车生文,李淑恒,杨进纳,等.板式热交换器板片冲压成形有限元分析[J].化学工程与装备,2019，(3):226-228.

Che S W, Li S H, Yang J N, et al. Finite element analysis of sheet stamping for plate heat exchanger[J]. Chemical Engineering & Equipment, 2019，(3):226-228.

[9]贾宪,陈延伟,马立峰,等.滚筒式飞剪剪切断裂过程综合分析[J].热加工工艺,2015,44(21):98-101,106.

Jia X, Chen Y W, Ma L F, et al. Comprehensive analysis of shear fracture process of drumtype flying shears[J]. Hot Working Technology, 2015,44(21):98-101,106.

[10]丁小凤,双远华,胡建华.板材取样剪剪切过程数值模拟及实验研究[J].重型机械,2012，(5):50-53.

Ding X F, Shuang Y H, Hu J H. Numerical stimulation and experimental study on shearing process of sampling shear of plates[J]. Heavy Machinery,2012，(5):50-53.

[11]周波,樊啟洲,陈宝龙.基于ANSYS/LSDYNA的果树剪枝动力学仿真分析[J].湖北农业科学,2012,51(13):2842-2845.

Zhou B, Fan Q Z, Chen B L. Dynamic simulation analysis of fruiter trimmer based on ANSYS/LSDYNA[J]. Hubei Agricultural Sciences, 2012,51(13):2842-2845.

[12]施昱,孟宾宾.钢格板剪床剪切过程有限元仿真研究[J].机床与液压,2015,43(2): 33-37.

Shi Y, Meng B B. Finite element simulation on shearing process for steel gratings shearing machine[J]. Machine Tool & Hydraulics, 2015,43(2): 33-37.

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