环轧机

The choice,installation,cooling and cooling water quality requirement of carbide roll ring were introduced,which used in high-speed wire rod mill of Chongqing Iron and Steel Co.

介绍了重庆钢铁股份有限公司高速线材轧机硬质合金辊环的选择、安装、冷却以及其对水质的要求，并简要介绍了生产中轧槽轧制量的设定，以及轧槽的磨损与修复等。

Develop a detailed steel rolling operation points and norms to ensure that high-speed steel roller use in the pre-precision of the high-speed wire rod rolling mill.

制定了详细的轧钢操作要点和规范，确保高速钢辊环在重钢高速线材轧机上的使用。

Annealing process are used spheroidizing guarantees the performance of steel, tube mill is rolling ring technology.

退火工艺是用球化退火保证了钢材的性能，轧机筒全是辗环工艺。

A vibration suppressing approach for the rolling mill drive system was put forward, which adopt the complex compensative control based on H(subscript ∞) filter and load observer, on the analysis of a two-mass electrometrical model with two-loop drive and engineering practice.

对双环传动的轧机两质量模型进行理论分析并结合工程实际，提出了一种基于H滤波器和负荷观测器复合补偿的轧机主传动振动抑制新方法。

Based on the dyanamic analysis of position loop system for the use of four roll hydraulic mill, analyses of thickness precontrol and monitored control function and constitutent are given; and the design procedure of a digital controller and specific plan of microcomputer implementetion are also given.

在四辊液压轧机位置闭环系统动态分析的基础上，分析厚度预控和监控的功能、组成数字控制器的设计方法，以及微机实现的具体方案。将其应用到Φ(2 1 0～ 5 0 0 )mm× 80 0mm四辊液压轧机上，使轧机具有较强的消差能力，并使出口带材能锁定在要求的目标尺寸上

The general situation of hydraulic AGC techniques for copper cold rolling mill s is introduced, the direct measurement and closed loop control for mill gap are simply described, the natural rigidity of mill and the equivalent rigidity in gap control are analysed and compared, and at last the realization of a gap direct measurement AGC system is simply described as an example.

介绍了铜带冷轧机液压AGC技术的概况；简述了轧机辊缝直接测量和闭环控制，并对轧机自然刚度和辊缝控制的等效刚度作了分析比较；最后，作为实例，简要说明了一个辊缝直接测量AGC系统的实现。

Current main products of centrifugal cast iron roll, chilled cast iron rolls, unlimited Chilled ductile iron pipe and roll kind of tools rose by Roll, straightening roller, roller guide roll sizing Central products and even roller mill, high-speed wire Roll roll, such as hot-rolled, the company also produces DHT300, DHT350 tensile alloy die casting, mainly applies to stainless steel plate, the plate, drawing manufactures aluminium die tensile material.

公司目前主要产品有离心复合铸铁轧辊，冷硬铸铁轧辊，无限冷硬球墨铸铁轧辊以及制管工具类的涨减轧辊，矫直辊，定径辊导辊环类产品和连轧机辊，高速线材辊等热轧辊，本公司还生产DHT300、DHT350合金铸造拉伸模具，主要适用于不锈钢板，铁板，铝板拉伸制成品的拉伸模具材料。

In order to solve these problems, a new integrated optimizing control strategy based on production is presented, which forms a closed loop between reheating furnace and roughing mill, making the production of reheating furnace meet the requirement of roughing mill.

针对这些问题，提出了基于生产目标的热轧过程集成优化控制策略，将加热炉和粗轧机组成一个有机的闭环系统，使加热炉的生产能够满足粗轧机轧制生产的需要，通过对热轧过程的建模和优化，达到节能降耗、保障轧制生产安全、优化生产过程的目的。

In order to solve these problems, a new integrated optimizing control strategy based on production is presented, which forms a closed loop between reheating furnace and roughing mill, making the production of reheating furnace meet the requirement of roughing mill. In this way, energy consumption can be reduced, the production process can be optimized, and the production security of rolling process can be quaranted at the same time.

针对这些问题，提出了基于生产目标的热轧过程集成优化控制策略，将加热炉和粗轧机组成一个有机的闭环系统，使加热炉的生产能够满足粗轧机轧制生产的需要，通过对热轧过程的建模和优化，达到节能降耗、保障轧制生产安全、优化生产过程的目的。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。