This system takes advantage of expert system theory in artificial intelligence , 1c ad technology and expert experience to achieve the rolling rules , the important parameters of rolling mill and the three - dimensional parameterization model building 本系统利用人工智能中的专家系统理论、智能cad技术和专家经验，完成热连轧精轧机轧制规程的制定、主要结构参数的设计和三维参数化建模。
In order to study the burning of the oil film bearing in high speed wire - rod mill , on - line tested temperature and operating mode of oil film bearing in a domestic framework of finishing mill f15 were determined and a large number of valuable test data were obtained 摘要为了研究高速线材轧机油膜轴承烧损原因，对国内某高速线材精轧机f15机架油膜轴承载荷工况及工作温度进行了在线测试，获得了大量有价值的试验数据。
We adopt the semi continuous pouring process and mainly manufacture the products marked 1xxx 3xxx 4xxx 7xxx 8xxx and the like by means of 1500 hot - rolling mill , 1400 cold - rolling mill , 1400 mill of aluminum strip and foil , 800 roughing or finishing aluminum foil mill 产品介绍本公司采用半连续浇铸工艺，经1500热轧机， 1400冷轧机， 1400铝带箔轧机及800铝箔粗中精轧机等铝材，主要生产1xxx ， 3xxx ， 4xxx ， 7xxx ， 8xxx等系列牌号。
650mm , 500mm , 450mm , rough rolling mill group , 400mm rough rolling mill group and medium rolling mill group , 320mm medium rolling mill group , 300 medium rolling mill group , 280mm , 250 mm , 220 finishing rolling mill group . note : all the groups include motor , speed reduction unit , link - up , guide rail , roller etc 一轧机规格新的二手的650mm粗轧机组， 500粗轧机组， 450粗轧机组， 400粗中轧机组， 320mm中轧机组， 300中轧机组， 280 250 220mm精轧机组。
To solve the problem , researches on the theory of refine rolling mill cycloconverter - feed synchronous motor vector control system are carried out , while the characteristic of this system are analyzed and the model of air - gap flux orientation control system of synchronous motor is set up 针对这种情况,本文对精轧机交-交变频同步机矢量控制系统运行原理进行了研究,分析该矢量控制系统的特点,建立了气隙磁场定向控制的交-交变频同步电机矢量控制系统的模型。
Since 2000 till now our company has gained a great achievements in metallurgy mechanical manufacturing . we provided multimillions of rolling machine , finishing factory group , prep - finishing factory group , rougher mill , reductor , speed - up machine etc full set group as well as all kinds repair piece and awaiting parts to jiangsu yongfeng steel factory ( lianfeng group ) and jiangsu huayin huaxi non - corrosive steel factory 二、 2002年至今公司在冶金机械的制造领域又成功的向江苏联峰钢铁集团永联钢厂、江苏华阴华西不锈钢厂提供了价值千万元的轧钢机、精轧机组、预精轧机组、粗轧机、减速器、增速器等整套机组和各类备品备件。
Jiangyin bat metal product co . , as a key enterprise of jiangsu bzt plastics group , is located in the beautiful and rich huashi town in yangtze delta area , enjoying aconvenient water and land transportation . the company , with total investment of rmb 300million , has modernized workshops and advanced equipments , including one 650 rolling unit and six 550 semi tandem finishing mill groups , the production lines , with high installation level and advanced techniques , have been ina leading position in china 江阴蝙蝠金属制品有限公司是江苏蝙蝠塑料集团的骨干企业，公司位于美丽富饶的长江三角洲江阴华士镇，交通便利，水陆贯通。公司拥有现代化的厂房，设备先进，总投资叁亿人民币，拥有650扎机一架550半连轧精轧机组6架，轧机采用高刚度的短应力线轧机。
This paper based on the supply grid of the medium plate plant of chongqing iron & steel has analyzed what causes unexpected harmonic and reactive impact as well as influence on equipments and grid , at the same time , calculate and simulate harmonic and reactive impact produced by the cycloconverter of roughing mill in the plant 本文全面分析了电力谐波和无功冲击产生的原因以及电力谐波和无功冲击对供配电系统和用电设备的危害，并针对重钢中板厂供配电系统，对中板厂粗精轧机变频装置产生谐波及无功冲击进行了计算和研究。
It covers an area of 140 , 000 square meters with the structural area of 40 , 000 square meters . the first - term investment is more than 200 , 000 , 000 rmb within 3 product lines , one cooling rolling mill , one refined cooling rolling mill , one extending - bending - straightening machine , 4 annealing furnaces , one set of thick foil scissors , one transverse cutting machine and other necessary equipments 一期工程投资2亿多元，拥有三台铸轧生产线,一台冷轧机，一台冷精轧机，一台拉弯矫直机，四台退火炉，一台厚箔剪，一台横切机及其配套用生产设备，设备配用国外先进的控制系统，能生产各种规格的铝板带箔3万吨。
During the period of june 28 to july 1 in 2003 , power quality testing and analysis on the power grid of middle - broad plant of chongqing steel group corporation was performed . from the testing report , it can been seen that the refine rolling mill system will inpour badly harmonic to the power grid , which will affect the normally function of power grid 2003年6月28日到7月1日,我校对重庆钢铁集团公司中板厂电力网电能质量进行了测试分析,从测试报告中可以看出该厂精轧机系统在有些工作情况下运行时会向电网注入较多的谐波,影响电网的正常运行。
