轧制

The results show that the bonding is good when the temperature, two passes deformation ratio of rolling are 1 250 C, 50% respectively.

结果表明；轧制温度为1250C、两道次的轧制变形率为50%时，界面结合较好。

5The processing conditions of FCR and the influence factors on the densification effect were analyzed.

5分析了外框限制轧制技术的工艺条件和影响喷射沉积坯料致密化效果的各种因素，对合理的外框限制轧制工艺进行了研究。

The rolling effects of horizontal and edger rolls were both taken into account during load distribution, and iterative computations were done alternately along the width and thickness of work piece by virtue of the equal load function to optimize the rolling schedule step by step.

分配时兼顾水平辊和立辊轧制的影响，在宽度和厚度两个方向进行等负荷函数的交替迭代计算，逐步优化规程，并在外层迭代中设置了机组轧制负荷超限情况下的道次数自动修正。

The factors affecting end curl of plate and sheet in rolling process were researched by the cross experiment, which include the upper roll diameter, the lower roll diameter, reduction, angle of entrance and velocity of roll rotation.

用正交实验方法对影响板带材轧制头部翘曲的因素进行了铅板轧制实验研究。影响因素有上下轧辊直径比、压下率、导入角和轧辊转速。

Considering the problems of spurgear precise plastic forming, such as high deformation resistance, poor flowability and especial hardness to fill cant of gear, technological plan was developed based on precise plastic forming technique, successive control principle and consecutive local deformation theory. Moreover, structures of the rolling preform die and the die with up and down wellrounded forcer for stamping-extrusion and bulge-extrusion combining forming were designed too.

因此本文的主要研究内容和结果如下：本文以某种直齿轮：模数m＝2，齿数z＝20，压力角α＝200，变位系数x＝0为对象，针对直齿轮精密塑性成形变形抗力大，流动性差，特别是成形中齿轮角隅部分更加难以充满问题，基于精密塑性成形技术、逐次控制原理以及连续局部变形原理提出了"直齿轮滚轧制坯－镦挤、胀挤复合精成形"的工艺方案，设计了滚轧制坯的模具结构和上下冲头带圆角的镦挤、胀挤复合精成形的模具结构。

How to calculate mechanical parameters and improve mechanical properties of plate are always important problems in hot plate rolling.

如何计算轧制过程的力能参数以及提高板材的力学性能，一直是中厚板轧制理论的重要问题。

The three dimensional flow of metals during rolling of ingot with liquid core has been studied in the article.

本文研究了液芯轧制时三维空间中金属流动，着重地研究了液芯率对轧制的影响。

The optimization problem with linear inequalities can be solved by Quadratic Programming. The simulation results show that the design improves the dynamic performance and suppress torsional vibration causing by rolling perturbation. The model predictive control suppresses rolling perturbation.

仿真结果表明，采用具有约束条件的预测控制策略的控制系统对轧机传动系统的控制效果在动态性能和抑制扭振效果上明显优于传统PI控制，可以较好的抑制轧制扰动对传动系统产生的影响，对解决轧制扰动鲁棒性控制问题是一种有效的解决办法。

Lucubrate on the slit rolling theories, design and optimize the technique of new products are provided with the important practicality significance.

因此，对切分轧制的原理进一步研究，开发和优化新产品的切分轧制工艺具有比较重要的实际意义。

Basing on the condition of different siding press regulations,simulated the distribution of rolling force,displacement nephogram and strain nephogram in different deform field systematically,the rules of rolling force and time were yeild.

在不同侧压规程的前提条件下，模拟了不同变形区内轧制力、位移和应变的分布情况，得到了轧制力随时间变化的规律。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了