轧制

But the rolling theory and design methods of abnormity section ring are scarce, and it is not sufficient for need of development.

而关于异形截面环件轧制成形理论和技术设计方法的研究尚处于起步阶段，远远不能满足其轧制成形生产发展的需要。

Automatic Width Control technique for 1 450 mm hot strip rolling mill in Panzhihua New Steel and Vanadium Co Ltd;2. Advantage and disadvantage of coil box in hot strip rolling mill were analyzed in details according to the producing experiences.

分析了带钢热连轧中热卷箱的优势以及存在问题，并提出了选用热卷箱的综合评估方法，即应综合衡量建设场地、投资、轧制速度、轧制钢种、轧制节奏、节能降耗、轧件温度和表面质量等。

The influence of zero wave for spring curve of plate mill on rolling force adaptation was analyzed and it was proved that if the influence of wave of entry gauge on plate stress could be ignored, the influence of zero wave for spring curve of plate mill on rolling force adaptation also could be ignored.

分析了中厚板轧制过程中弹跳曲线零点漂移对轧制力自适应的影响，认为在忽略入口厚度波动对轧件塑性影响的前提下，轧制力模型的自适应不受弹跳曲线零点漂移的影响。

Base on the relationship of the gauge control system and the shape open loop control, it is proved that AGC has a rather large effect on plate shape but less contribution on gauge precision when the plate is wide and thin.

该方法通过定义一个虚拟最大轧制力限制系数来调节各道次轧制力，使得最后三个道次轧制力线性下降，满足板形控制的要求，而前面道次尽量发挥轧机的能力采取大压下量。

The precision of gauge control of hot-rolled strip is directly affected by the calculating precision of rolling force model, where the rolling pressures in the models are mostly decomposed and become the product of the influence coefficient in stress state arid resistance to deformation.

轧制力模型的计算精度直接影响热轧带钢厚度控制精度，目前大多数轧制力模型都把轧制压力分解成应力状态影响系数和变形抗力的乘积。

By means of the'material time derivative'relation of strain rate and strain, and the coordinates mapping in deformation zone, the different equations for solving strain and a subsequent recurrent solution are formulated.

第三，在Orowan轧制平衡方程的基础上，考虑温度，应变以及应变速率对材料流动应力的影响，改进了求解单位轧制压力的解析求解模型，采用数值积分的方法得到了能够反映温度变化和加工硬化等影响的轧制力的计算方法。

In order to reduce the plate loss of side and end cutting, to increase the finishing product rate, the test research of the plan view control of the MAS(Mizushima automatic plan view pattern control system) method was completed.

为减少轧制中钢板的切边、切头尾量，提高钢板的成材率，利用厚板展宽轧制法对轧制过程中钢板的平面形状控制进行了试验研究。

The heating process and rolling process of slab are very important procedures in hot rolling production line. Reheating furnace should heat the slab to the temperature distribution that is needed by the rolling technology of roughing mill, and roughing mill should roll the slab into the product with the desired dimension. Reheating furnace and roughing mill are two main energy-consuming facilities in hot rolling production line.

钢坯的加热过程和轧制过程是热轧生产线上非常重要的两个生产环节，加热炉需要将钢坯加热到满足粗轧机轧制工艺要求的温度分布，粗轧机则需要根据生产要求将加热好的钢坯轧制成指定规格的产品，这两者是热轧生产线上的主要耗能设备。

In order to roll round billets with accurate roughing shapes by a three-high roughing mill and stabilize production, a flexible pass design method was used to optimize the traditional conjugate pass through the distortion design of the bottom, side wall and pressure difference of the pass, realizing the application of the conjugate round pass on the three-roll mill.

为轧制料形尺寸准确的圆料、稳定生产，采用变通孔型设计方法对共轭孔型进行优化设计，通过对共轭孔型槽底、侧壁、压力差的变形设计，实现了共轭圆孔型在三辊粗轧机上的应用，轧槽咬钢顺利，成品圆料容易控制，完全满足后续工序的要求，同时减小了轧线的轧制事故，单套轧辊的轧制量可提高60%以上，取得了良好的经济效益。

The cladding plate with micro and small wavy interface obtained by low limit explosive can be rolled successfully, and the one with a big wavy interface will be detached in rolling.

实验表明：只有用下限获得的微小波状界面的爆炸焊接复合板，才能实现成功轧制，而大波状复合板界面存在一定的缝隙、空洞等微观缺陷，在轧制时由于分层会使轧制失效。

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