轧件

按照现场的生产条件，通过ANSYS模拟，得到铁素体区热连轧带钢轧制过程中轧件横断面上的温度场及轧件表面、中部的温度随时间的变化曲线。

According to local production condition , it is achieved by ANSYS simulating that include temperature field of rolled piece cross section during rolling and surfaced and central temperature of rolled piece in any time .

该锥形辊道实现了轧件的运输与旋转。

The conical roller bed can achieve transportation and turning for rolled piece .

H形轧件边部外侧前滑的研究

Study on the forward slip of the outside flange of h-stocks

四辊孔型轧制H型轧件时孔型设计原则的实验研究

Investigation on principle of pass design for rolling H-section by four high mill

有张力时H形轧件在轧边孔型中的前滑

Forward slip of h - stock in rolling under tension in edging passes

考虑轧件弹性变形的Hill轧制力显式公式

Hill explicit expression of rolling force taking into consideration elastic deformation of rolled stock

计算结果表明，影响PC轧机轧件截面形状的主要因素是对辊交叉所产生的等效辊凸度。

The results showed that the key factor influencing strip profile of PC mill was the equivalent crown of work roll from roll crossing .

通过H型钢轧件在万能孔型中的受力分析，直接推导出轧件对轧辊的前滑公式。

On the basis of analysing the forces acted on H-beam in rolling by the universal pass , the formulas of the forward slip are derived in this paper directly .

本文根据异型钢轧制变形理论，分析了在万能轧机上四辊孔型中轧制H型材时轧件的变形。

Guided by the theoretical csnsideratisns in rolling shape steels , the authors make a study on the deformation of the workpiece undergoing rolling through a four-high pass in a universal mill .

利用有限元方法建立H型钢轧制过程中的温度场模型，并用ANSYS进行求解来研究了冷却水对轧件温度的影响。

The temperature variation in H-beam rolling process is studied by finite element method and ANSYS is used to solve equation in order to discuss the influence of cooling water on H-beam .

PC轧机对于改善板带材的板形及控制轧件的凸度有十分显著的功效，因而它在带钢的热轧和冷轧中有较为广泛的应用。

As the PC rolling mill for improving the shape and controlling the rolling crown has a very significant effect , it is widely used in the hot-rolled and cold - rolled strip .

H型钢热轧工艺是一个高度非线性塑性大变形过程，同时由于热轧现场环境的限制，采用普通方法无法对其轧件内部信息进行实时检测。

The hot rolling of H-beam is a highly non-linear plastic deformation process , and the real-time detection of internal information for H-beam in rolled process can not be executed because of the hot environment .

根据引起热轧带钢产品厚度波动的主要原因，提出基于轧件塑性系数变化的Q预测前馈AGC方法。

Aiming at the main factors causing thickness fluctuation of hot strip , this paper presents a Q prediction feedforward AGC strategy considering the influence of plasticity coefficient changes .

基于纵向变截面轧制的特点，根据轧件受力分析了LP钢板轧制过程的咬入角和咬入条件。

Based on rolling characters of longitudinal profiled ( LP ) plate , nip angle and biting condition are analyzed for LP plate rolling according to force condition .

根据数值模拟结果，对桥梁用C型异型钢轧制中变形分配的合理性、轧件在孔型中的稳定性及轧件各部分夹角对弯曲成形的影响进行了分析，并据此进行了孔型系统改进。

Based on the simulation , the rationality of deformation distribution , the instability of steel rolling in the pass , and the influence of preformed angle of the billet on the bend forming were analyzed . And the pass systems was improved upon the analyses .

试验结果表明，通过对剩余偏心成分的补偿分析，进一步调节控制量，有助于提高偏心控制的效果及轧件厚度的精度，并给出了F3机架轧制力实际的滤波效果。

By residual eccentricity compensation the roller eccentricity and gauge control can improved . The actual filtering effects on F3 rolling force are given .

在采用弹性理论计算轧辊与轧件弹性位移量的基础上，根据几何关系确定弧长的方程结构；统计分析实验数据估计x0部分的校正因子。

On the basis of consideration of the elastic displacements of rolls and strip , the equation of the roll flattened arc length may be geometrically determined and the correction factor for x_0 may be estimated by statistical analysis of the experimental data .

使轧件在主要方向上的尺寸公差小于±0.02mm。

The tolerance is smaller than ± 0 02 mm in the main direction .

为解决H型钢轧制缺陷问题，用塑性有限元软件建立了H型钢的轧制模型，模拟了轧制过程，并用热力耦合法分析了轧件的变形和金属流动情况和腹板的轧制力分布。

Rolling model of H beam was established through MSC Marc / AutoForge FEA software and rolling process was simulated to solve the defect problem for H beam . The metal flow in rolling process was simulated by thermo-mechanical coupled elastic-plastic element and the pressure distribution on web was given .

发现圆坯三辊斜轧时的应变强度在轧件纵剖面上的分布形态与圆坯二辊斜轧极为相似，也呈W型。二、末日意识两个小偷（英文）

It is identified that the distribution pattern of strain strength on the rolled piece longitudinal section during three-hi cross-rolling process with round billet is very similar to that during two-hi cross-rolling process with round billet , i.e. both appear in a " W " pattern .

在对温度场的模拟中，运用MATLAB中的PDE工具箱，通过输入边界条件和初始条件求解传热偏微分方程，直接计算出温度在轧件横断面上的分布情况。

Among the simulation in temperature field , it uses the PDE toolboxes of Matlab through inputting initial conditions in the borders to solve Partial Differential Equation of Heat transfer , calculate and display the temperature distribution situations of section of the plate .

参照某热轧厂实际情况建立了热连轧AGC系统的动态模型，通过该模型进行动态仿真，研究了各种参数变化对于轧件出口厚度的影响。

According to the fact of hot strip mills , a dynamic simulation model was put forward , and the dynamic simulation for the AGC of hot strip mills was implemented . The effects of some factor on the products was researched .

使用ANSYS/LS-DYNA有限元软件的显式求解功能对厚度为4～8mm的板料进行有限元弹塑性分析，得到了板料成型过程中厚度因素对轧件应力、应变的影响规律。

The influence rule of material thickness on stress and strain of piece during cold roll forming was ob - tained with ANSYS / LS-DYNA FEM software to simulate 4 ~ 8mm thickness of materials .

J.T.S法对改善二辊楔横轧轧件心部质量的研究

Study on the quality effect of rolled piece internal part in two rolls cross wedge rolling by J.T.S method

采用H-800透射电子显微镜及正电子湮没技术，观察了CSP工艺热轧低碳带钢轧制过程中位错形貌，并计算了终轧后轧件的位错密度。

The dislocation and morphology dislocation density in the hot strip of low carbon steel after finishing pass produced by CSP were investigated by using H-800 transmission electron microscopy and positron annihilation technology .

以ANSYS为模拟平台，对大方钢无槽轧制过程进行了三维有限元全尺寸模拟分析，得到了坯料在各阶段的等效应力分布、轧件形状变化及断面尺寸，为轧制生产提供了理论基础。

With ANSYS as the analog platform , through analysis of the three-dimension finite element total size simulation , the equivalent stress distribution of bloom at all stages , changes in shape and cross-section dimension of rolled pieces are gained , which provides the theoretical foundation for the rolling production .

针对轧制模拟中存在的几何非线性、材料非线性、轧辊与轧件的接触以及模型载荷等问题，给出利用ANSYS软件相应的解决方法及确定相关参数的依据。

Aming at the geometry non-linearity , the material non-linearity , the roller problems exist in rolling simulation and the problems of rolling over a contact as well as the model loads , etc. It produces the using of the ANSYS software solution and the determination basis for correlation parameter .

仿真研究表明，对于提高轧件的厚度精度WARE优于轧辊偏心的傅立叶分析器（FARE）和其改进算法（MFFT和LS算法），并可使轧辊偏心对厚度的影响减小90%。

The simulation results showed that the WARE was superior to the FARE , MFFT and LS in improving thickness precision of rolling products and could reduce the influence of the back up roll eccentricity by more than 90 percent .

研究了轧件塑性系数Q对压力AGC控制效果的影响，提出了一种提高压力AGC响应时间的方法，取得了较好的仿真效果，对压力AGC的应用有借鉴意义。

Effects of Q ( ductility coefficient of plate ) on pressure AGC control has been studied . An effective method to raise the response time in pressure AGC has been developed and better emulation result achieved . The method can be effectively used in pressure AGC .

运用该模型对低碳钢SS400的现场实际轧制情况进行仿真计算，得到轧件三维变形场、温度场及显微组织的分布规律。

Actual roughing process of low carbon steel SS400 was simulated using the model and3-D distribution laws of strain field , temperature field and microstructure were obtained .