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。
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。
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。
On the adjustment of high-speed wire finishing mill;
关于高速线材精轧机调整的探讨
The traditional method of equipment examination can not meet the need of escaping the gusty accident of finishing mill of high speed wire rod mill.
为避免高速线材轧机精轧机组出现突发性设备故障,用传统的设备点检方式已不能满足要求,为此采用了一种简易有效、投资较少的在线监测技术。
The structure characteristics of lubrication system of high-speed wire rod finishing mill of Huaxi Iron & Steel Co.
介绍了华西钢铁公司高线精轧机润滑系统的结构特点,同时分析了该系统存在的备用泵频繁启动、过滤器滤芯易损坏、供油温度过高等问题产生的原因。