In order to make better numerical simulation result in finish rolling and get more reasonable rolling parameters, the process of finish rolling was simulated with updated geometry method of LS-DYNA.
为了更好的对精轧过程进行数值模拟,提供更为合理的轧制参数,以LS-DYNA软件中的单元更新方法模拟了精轧过程。
By using finishing temperature calculation software,the temperature variation of strip steel during finish rolling was researched.
用带钢热连轧精轧温度控制模拟软件,系统地研究了负荷分配对带钢精轧轧制过程中变形温升、水冷温降以及精轧出口温度的影响,并总结出了相应的规律,为建立高精度热连轧带钢温度控制模型提供了理论依据。
Based on the characterization of microstructure at surface flaking in Cu-Fe-P lead frame copper alloy of finish rolling, the stress and strain distributions of the interface between Cu matrix and Fe particle was analyzed using plane strain model by elastoplastic finite element method.
运用弹塑性有限元方法的平面应变分析模型,依据引线框架 Cu- Fe- P合金精轧后表面起皮剥落处的显微组织特征,研究了 Cu基体和 Fe相颗粒界面附近的应力应变场分布。
Base on the plate finishing rolling process, the temperature predition model of the plate was developed by consideration of the influence of radiation, convection, highpressure water descaling, roll conductivity and deformation energy.
从设定模型角度结合中厚板精轧过程的工艺特点,分析了热辐射和对流、高压水除鳞、轧辊的热传导和塑性功对钢板温度变化的影响,得出如下结果:①钢板热辐射和对流过程可以简化成一维热传导方程,钢板的黑度可考虑成钢板厚度的函数;②高压水除鳞过程可以简化成半无限体平板的瞬态热传导模型;③轧辊的热传导过程可简化成两个半无限体之间的热传导过程,接触热阻的影响通过修正系数进行调节;④塑性功造成的温度变化必须考虑热功转化效率的影响·通过与实际数据的比较可以看出该模型具有很好的预测精度
, the calculative model of material plastic coefficient m, the calculative compensation model of loops, time interval of system control and the measurement of pressingdown position in the finishing rolling AGC program pack are developed, optimized and improved.
在武钢热轧带钢厂的更新改造中,对精轧AGC程序包中材料塑性系数m值的计算模型、活套计算补偿模型以及系统控制的时间间隔、压下位置测量等进行了开发、优化与完善,使带钢的厚度精度明显提高。
Modeling of process control for the 950 mm finishing mill unit at Taishan Steel Co., Ltd;
泰钢950mm精轧机组过程控制的数学模型
The communication interfaces among the process computers of heating furnacre,rough mill and finishing mill as well as the interface between the process computer and data center are also specified.
描述了系统中数据中心、各过程控制计算机的功能,并详细说明了加热炉、粗轧、精轧过程计算机之间以及过程计算机与数据中心之间的通讯接口,在通讯程序中运用了自动重发,重连等机制,保证了通讯的快速性、正确性和可靠性。
,this paper mainly involves in dealing with the way to realize the shape preset in finishing mill in off-line way,provide the study and development of the platform for shape preset,and build the simulation system of shape preset in PC finishing mill with ICE-based distributed middleware.
本课题是上海宝山钢铁股份有限公司重点科研项目1880mm热轧带钢工程项目中的关键部分之一,主要研究如何实现板形预设定的离线模拟计算,为精轧板形预设定计算提供研究和开发平台,并且使用基于ICE的分布式中间件构建精轧PC板形预设定仿真系统。
The effect of total finish-rolling strain and pass strains on the precipitating behavior of TiC has been discussed, using the thermomechanical simulation technique.
通过采用新型的热模拟技术研究表明,不同精轧总变形量和道次变形分配量对TiC相粒子析出行为均有较大的影响,而对于TiN,TiS和Ti4C4S2这3种较粗大的析出物影响不大。
The three-dimension model coupled thermo-mechanical of FEM is built to analyze the finish-rolling of middle-sized H-beam .
本文选择中型热轧H型钢精轧过程的计算机模拟作为研究课题,利用热力耦合大变形理论对热轧过程中金属的变形、温度及其影响因素进行分析,同时分析轧后轧件的温度场变化及残余应力。
Some phys metallurgical problems related to direct spheroidization of carbide in the process of fine rolling were analyzed and investigated in this paper in accordance with the author's viewpoint that the morphology of carbide phase in product of eutectoid reaction might be affected by grain size of austenite mother phase in steels.
依据作者关于钢中奥氏体晶粒尺寸影响相变产物中碳化物形态的观点, 本文分析研究了精轧过程中与碳化物球化有关的金属学问题; 指出在临界温度以下对过冷奥氏体实施精轧, 因铁素体“超量”析出而使奥氏体晶粒细化, 并随精轧形变量的增加, 在晶内诱发共析相变; 精轧后的钢继续在精轧温度短时停留, 可实现碳化物相的优良球化。
High-Precision Rolling Force Prediction Model for Hot Strip Continuous Rolling Process
热轧带钢精轧过程高精度轧制力预测模型
triangular finishing pass
(Y形轧机的)三角精轧孔型
Selection on Dust Plan of AISC 1780 Hot Finished-rolling Mill
鞍钢1780热轧精轧机除尘方案的选择
Analysis on Causes of Work Roll Breaking on Finishing Mill;
武钢热轧厂精轧工作辊断裂原因分析
Technology Research for Looper Height Control of 1750mm Hot Strip Mill
1750mm热轧精轧活套控制高度技术研究
Zero Deviation Compensation for Initial Rolling of the 2050 mm Hot Mill
2050mm精轧开轧零点偏差模型补偿
Application Practice of the Hot Rolling Lubrication in Tangshan Jianlong 800mm Finishing Mill
800mm精轧机组热轧润滑工艺应用实践
Research on Finishing Mill Roll Change Automatic Control System of Hot Strip Mill
热轧精轧机换辊自动化控制系统研究
Precise Calculation of Plate Transient Temperature Field in Finish Rolling Process of Hot Tandem Rolling
热连轧精轧过程中带材瞬态温度场的精确计算
The Establishment for Frontward and Backward Slip Theory Model of 2400mm Hot Finishing Mill
2400 mm精轧机精轧前、后滑理论模型的建立
The Practice of Improving Thin Oil Cleanness of Finisher and Pre-finisher
提高精轧机、预精轧机稀油清洁度的实践
Development and Application of Technology Lubrication for Hot Rolling Technique in Finishing Stand of Jigang Continuous Hot Strip Mill
济钢热连轧精轧机组工艺润滑轧制技术开发与应用
Analysing and handling the twist of press down reducer of 1700 continuous finishing mill under load
1700连轧机精轧压下减速机扭动的分析与处理
The Mathematical Model and Simulation Research of Hot Strip Steel Finshing Group;
带钢精轧机组热轧过程数学模型及仿真研究
Investigation of Austenite Microstructure Evolution During Finish Rolling in Hot Strip Continues Rolling;
带钢热连轧精轧过程奥氏体组织演变的研究
The Expert System's research on the Design of Hot-strip Tandem Finisher Group;
热带钢连轧精轧机组设计专家系统研究
The Finish Mill Model Applied in the Computer Control System for the Shot Strip Mill of ShanDong TaiShan Iron&Steel Co.,Ltd.;
泰钢热连轧计算机控制系统精轧模型应用研究
Study on Process Control System Model for Hot Strip Finish Rolling
热轧带钢精轧过程控制系统模型的研究