Simulation and analysis on the vertical vibrationof four-high rolling mill stand;

Random fatigue design of universal joint in rolling mill main drive;

Design and implementation of electro hydraulics servo control system of automobile leaf spring rolling mill;

This paper reviews several general types of hot continuous rolling machine,and reviews the present condition of such kinds of machine in China.

As part of rolling machine s AC varial frequency transmission system, GTO s max capacity can reach to 20MVA, and for IGBT, to 8.

This paper discusses the design of the two principle hydraulic actuators in rolling mills: capsules for hydraulic Automatic Gauge Control(AGC) and roll bending systems for shape and profile control.

According to working conditions of of the entrance guide plate of rolling mills,a suitable material of insert casting plates has been developed by means of the chemical composition design, routine physical and chemical examination,and electron microanalyses.

Due to strong noise in vibration signals of rolling mills,it is very difficult to identify their fault location and to extract their feature.

Bilinear Model of the Mill Hydraulic Servo System;

Design of tapered leaf spring mill based on manual assembly and easy-maintenance;

The production situation,including selection of pass schedule,characteristic of pass design,trial rolling process as well as whole process,of having applying the technique of producing 270mm seamless tube blank on 550 medium section mill is introduced and summarized in the paper.

The pass design of large gauge 20/12 5 unequal angle steel on medium section mill were introduced The butterfly pass and final pass design were mainly introduced The production show that the yield and percent of pass respectively reaches 90 62% and 99 57%,and the product quality meet the demand of standar