分析了粗轧机主传动扭振模型及动态特性计算方法。
The analytic model and dynamic response solution for torsional vibration of main driving system on rougher of rolling mill were studied.
利用振动烈度和频域分析方法，对轧机主传动系统减速机进行了故障诊断。
In this paper, the reducer in the main drive system of the rolling mill has been diagnosed successfully by using vibration intensity method and frequency domain analysis method.
由于轧制工艺的改进，某厂立辊轧机主传动系统需要承受更大的轧制力矩。
Owing to improvement of rolling mill practice. , the vertical rolling mill main drive system of some plant must endure more roll torque.
介绍了用于包钢高速线材厂精轧机主传动中的负载换流同步电动机控制系统。
The Load-Commutated Inverter(LCI) fed synchronous motor control system which is applied to the main drive for high speed wire finishing mill of Baotou Iron and Steel Co is presented.
轧机主传动系统通常由直流电机驱动，其性能好坏直接影响板带材的产量和质量。
The output and quality of metal plate and strip are heavily affected by performance of the main drive system of rolling mill.
最后使用有限元法计算了某钢厂冷轧机主传动轴系的扭振固有频率和转矩放大系数。
Finally, the torsion vibration nature frequency and torque amplitude factor of a rolling mill are calculated by using finite element method.
本文提出了利用轧机主传动电动机微机在线监测保护系统对轧制时间进行检测与统计。
The detecting and statistics on rolling time by using monitor protect system in the computer of main electrical machinery of rolling mill were presented in this paper.
该变频技术在新日铁、宝钢等钢厂轧机主传动系统的应用，产生了巨大技术和经济效益。
Great technical and economic benefit were obtained by applying it to the main drive of rolling mills in Nippon steel and Baosteel.
万向接轴是轧机主传动系统的关键部件，具有结构复杂、工作时承受随机冲击扭矩等特点。
Universal joint, a key part of main drive system in rolling mill, has the characteristics of complicated structure and bearing impact twisting moment when working.
在现场综合测试的基础上，分析了采用可控硅供电的1150初轧机主传动系统的扭振状况。
On the basis of synthetical test, the paper analysed the torsional vibration of the main drive system of 1150 blooming mill, which used thyristor power supply.
本文介绍了1420轧机主传动齿轮箱的主要参数、结构特点、制造难点与要点和研制体会。
This paper briefly introduces main parameters and construction features of main drive gear box for 1420 rolling mill, and gives its difficult problems and important points in manufacture.
通过对1150初轧机主传动系统上轴系机电耦合系统瞬态响应的仿真计算，证实了计算机程序的正确性。
By the simulation for the transient responses of the upper shafting in the main drive system of 1150 rolling mill, the computer programme is proved to be effective.
本文对轧机主传动齿轮失效形式进行了分析，就提高轧机齿轮的承载能力和寿命提出了应采取的几点措施。
The paper analyzed the failure methods of main drive gear for mills, and provided some measures should be adopted to improve the carrier capacity and life of the gear for mills.
近年来，我国两台引进的交交变频电动机驱动的1150初轧机主传动系统出现的恶性事故引起了人们的关注。
The serious events of 1150 blooming mill main drive system driven by two AC-AC frequency conversion motors in recent year has been paid close attention to.
介绍采用小波变换进行信号降噪的原理；利用小波分解和重构函数对轧机主传动轴应力和扭矩信号进行降噪处理。
In this paper, the theory of wavelet transformation in signal noise reduction is introduced, together with the algorithm of signal decomposition and reconstruction.
因此，研究轧机主传动系统的动力学耦合特性，对于抑制轧机振动、保证高效平稳地生产具有重要的理论意义和实用价值。
Therefore, it is of great importance to study the coupled dynamic characteristics of a mill main drive system for keeping efficient and reposeful production.
轧制力矩过大是轧机主传动系统传动轴断裂的主要原因，传统的电机电流过载保护方式不能真实反映轧机主传动系统扭矩的动力学特性。
The breakdown of transmission shaft in the main drive system is due to too high roll torque. Overpower protection mode of motor current does not reflect the true dynamic character of roll torque.
介绍了预见PWM控制在单传动轧机主传动调速系统中的应用，首先介绍了单传动轧机主传动调速系统的硬件结构，然后阐述了最优预见PWM控制原理及其工程应用；
The application of preview PWM control in speed regulation system of rolling mill with single main motor drive is introduced. The scheme of hardware is presented at first.
介绍了预见PWM控制在单传动轧机主传动调速系统中的应用，首先介绍了单传动轧机主传动调速系统的硬件结构，然后阐述了最优预见PWM控制原理及其工程应用；
The application of preview PWM control in speed regulation system of rolling mill with single main motor drive is introduced. The scheme of hardware is presented at first.
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