rolled piece

The tracking and controlling of the rolled piece was the base of computer control system .

轧件跟踪控制是计算机过程控制的基础，是实现自动控制的关键。

In this paper , the mill stand and the rolled piece were studied as a system .

将轧机机座与轧件作为一个系统来研究。

This analytic method can provide a method of accurately predicting and controlling properties of rolled piece .

为解析法准确预报和控制轧件性能提供了一个具有可操作性的方法。

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

该锥形辊道实现了轧件的运输与旋转。

Design and application of guide and guard with the same arc-diameter as rolled piece

同弧形导卫设计及应用

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

J.T.S法对改善二辊楔横轧轧件心部质量的研究

In this interval , temperature gradient in the rolled piece is more and more obscure .

在此区间，轧件内的温度梯度越来越不明显。

The mechanics of the rolled piece warp is studied , and some influencing factors of the warp are explored .

对由塑性功和摩擦做功引起的轧件温度上升进行了深入研究。

Simulation results show that qualified rod products can be obtained with optimized technology , and the uniformity of microstructure in rolled piece is good .

模拟结果表明，采用优化后的轧制工艺，能够获得合格的棒材产品，且内部组织比较均匀。

FEM Analysis of Influence of Vertical Roll Shape on Head and Tail Shape of Rolled Piece During Multipass V-H Rolling Process

多道次立-平辊轧制立辊孔型对轧件头尾形状影响的有限元分析

Central temperature of rolled piece falls slowly after descaling , but surfaced temperature falls rapidly and has the tendency of recovery soon .

带钢在除鳞之后中心温度下降较慢，而表面温度急剧下降，并且随后有回升的趋势。

It is concluded that the main reason of vibration with self excitation is the mixed lubricant friction occured between roll and rolled piece .

通过对轧机主传动系统发生自激振动的分析得出：产生自激振动的主要原因是在轧辊、轧件间形成了混合润滑摩擦。

The deformation of rolled piece in conjugate deep cut pass is simulated by finite element method . The error of simulated result is less than 1 % .

用有限元法对共轭切深孔中轧件的变形进行了计算机模拟，模拟计算结果误差小于1%。

By the results of analysis , with increment of rolled piece stiffness , vibration behaviour of the mill system is more complex and the system is unstable more easily .

得出随着轧件刚度的增大，轧机系统的振动状态越复杂，系统越容易失稳。

The relationship between the pulling coefficient and the width of pull contract for rolled piece was derived by means of establishing flow equation during continuous rod rolling .

通过建立线材连轧流量方程，推导出拉钢系数与轧件拉缩宽度的关系式，并借此分析高速线材头尾超差问题。

The system keeps the linear velocity of the shear blade in pace with that of the rolled piece and warrants the accuracy of the specified cut length .

该系统能够逻辑控制剪刃的运行规律，保证剪刃线速度与轧件线速度同步，保证剪切产品长度的定尺精度。

Many factors that affect temperature of rolled piece exist during rolling , how to control exactly and uniformly finishing and coiling temperature impacts greatly on product performance after milling .

在轧制过程中影响轧件温度的因素很多，如何将终轧温度、卷取温度控制地准确均匀对轧后产品的性能有极其重要的影响。

The development of shape theory in metal plastic processing can be divided into three phases : roll deformation theory , rolling piece deformation theory , rolled piece and roll unified deformation theory .

金属塑性加工中板形理论的进步分三个阶段：轧辊变形理论；轧件变形理论；

Determining temperature system of rolling process is the important content of rolling technology , so temperature of rolled piece during rolling must be controlled and optimized in order to improve the quality of final products .

轧制过程的温度制度的确定是轧制工艺的重要内容，因此必须对轧件在轧制过程中的温度进行控制和优化，以提高最终产品的质量。

The utility model has the advantage of brief structure , fast and reliable installation , convenient and accurate adjusting , time saving , good alignment capability and stable retaining the rolled piece .

优点是结构简单、安装牢固可靠，调整方便精确，节省时间，对中性能好，夹持轧件稳定。

Friction factor increase between roller surface and the rolled piece is beneficial to big spread and obtain uniform copper layer as CCA rod rolling , the same to roller diameter .

增大坯料与轧辊表面间的摩擦系数和轧辊直径，有利于获得更大的宽展和更均匀的铜层分布。

When the temperature of rolled piece during the sizing process can be ensured , iron and steel enterprises can adjust other technological parameters in a certain range to produce qualified products . 4 .

在实际轧制过程中，为了获得合格产品，可以在保证定径过程轧制温度的基础上；对其他各工艺参数进行适当调整。

Not only elastic deformation of the roller is considered , but also elastic deformation of the rolled piece is considered , a set of new rolling pressure model about the thin strip level is established .

考虑到轧辊的弹性变形以及轧件的弹性变形，建立了一套新的薄带平整轧制时的轧制压力模型。

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 .

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。

Taking use of the model of the rolling process , the change of the rolled piece temperature field is simulated , and the rolled piece temperature rise caused by plastic work and frictional work is studied ulteriorly .

利用所建立的轧制模型，模拟了轧制时轧件温度场的变化情况。对由塑性功和摩擦做功引起的轧件温度上升进行了深入研究。

The test of rolling the differential thick lead sheet shows the internal surface hollow and hole defect is resulted from uneven deformation of rolled piece . The basic way to avoid the two defects is put forward .

通过轧制差厚铅板实验说明规律性的热连轧无缝钢管内表面凹坑、孔洞缺陷的形成主要是由于轧件不均匀变形所致，并提出避免这两种缺陷出现的基本思路。

The accuracy of rolled piece lies on not only mill accuracy but also deformation mode , therefore , the grain coarsening zone should be avoided and the free spreading of rolled piece should also be controlled .

但轧件的精度除取决于轧机精度外，变形方式也是重要因素，要避开晶粒粗大区，同时必须控制轧件的自由宽展。

From laminar cooling end to batching , rolled piece is in the air cooling condition , surfaced temperature has great recovery because of temperature difference and thermal conductivity , and temperature difference between surface and center of rolled piece becomes gentle .

从层流冷却结束至卷取，轧件处于空冷状态，由于温差的存在和导热作用，轧件表面温度有较大的回升，中心和表面的温差逐渐趋于均匀。

The rolling defect and control methods are summarized by rolling experiment with different material and different specifications of the bars in a various rolling conditions . The high quality rolled piece has been rolling by the improvement of rolling process and adjustment of equipment parameters .

对不同的材料、不同规格的棒材，进行了多种工况下的轧制实验，发现了轧制缺陷并总结研究出缺陷控制方法，改进轧制工艺和调整设备参数，得到了质量良好的轧件。

By studying the rolling speed and tension with the changes in the relationship between the thickness of the rolled piece to discuss with tension control approach to offset the speed of change on the thickness of the impact of the establishment of the equation .

通过研究轧制速度和张力的变化与轧件厚度的关系，讨论用张力控制的办法来抵消速度变化对厚度的影响，建立相应的方程。