【正文】 mation of a 304 type austenitic stainless steel , program about the rolling system, checked the rollers’ strength and the rolling mill’s productive capacity with Microsoft Visual C++. 【 Key words】 sheet and strip, rolling system , fullycontinuous cold rolling, rolling mill 鞍山科技大學(xué)本科生畢業(yè)設(shè)計 第 III 頁 Design of a cold strip plant with annual capacity of millions tons ABSTRACT The design of a cold strip plant has been introduced and analyzed in this paper, according to ′s 1780mm Cold Strip Mill Plant. Its typical product is Q215，1000mm. The purpose is to design a million Cold Strip Mill Plant. Its main equipments include continuous picking train,5stand fullycontinuous Cold rolling train, covertype annealing furnace,single stand 4high skinpass train,crosscutting and slitting train, coiling train, etc. The products mainly include electrician silicon steel plate, hotdip galvanized sheet and strip. Products with distinguishing features such as wide size, accurate thickness, small deviation in dimension, smooth surface, well flateness, stable property, etc..According to it, we established the rolling system and checked the rollers’ production ability. Moreover, we checked the rolling mill’s productive capacity,calculated the economic and technology index. A special topic about the species and characteristics of the mixture in continuous casting thin belt is explicated. 【 Key words 】 :cold sheet and strip, rolling system, fullycontinuous cold rolling,rolling mill, the mixture of continuous casting thin belt 鞍山科技大學(xué)本科生畢業(yè)設(shè)計 第 IV 頁 目 錄 摘要 ......................................................................................................................................... I ABSTRACT .......................................................................................................................... III 1綜述 ......................................................................................................................................6 發(fā)展歷史 ................................................................................................................... 6 產(chǎn)品品種規(guī)格 ........................................................................................................... 6 生產(chǎn)方法 ................................................................................................................... 6 主要工序 ................................................................................................................... 7 冷軋的技術(shù)進步 ....................................................................................................... 8 本設(shè)計的目的和意義 ............................................................................................... 9 2產(chǎn)品方案設(shè)計及金屬平衡表 ............................................................................................10 原料的技術(shù)要求 ..................................................................................................... 10 產(chǎn)品方案 ................................................................................................................. 10 產(chǎn)品 技術(shù)要求 ......................................................................................................... 11 金屬平衡表 ............................................................................................................. 12 3 設(shè)備參數(shù)選擇 ...................................................................................................................12 連續(xù)酸洗機組 ......................................................................................................... 12 五機架全連續(xù)軋機 ................................................................................................. 14 罩式退火機組 ........................................................................................................ 15 平整機組 ................................................................................................................. 16 橫切機組 ................................................................................................................. 17 縱切機組 ................................................................................................................. 18 重卷機組 ................................................................................................................. 18 熱鍍鋅機組 ............................................................................................................. 18 電鍍鋅機組 ............................................................................................................. 20 連續(xù)退火機組 ....................................................................................................... 21 4 軋制工藝過程及軋制制度的確定 ...................................................................................24 軋制生產(chǎn)工藝流程圖 ............................................................................................. 24 各個工藝流程環(huán)節(jié)簡介 ......................................................................................... 24 軋制制度 ................................................................................................................. 26 原料的選擇 .................................................................................................. 26 壓下規(guī)程制定 .............................................................................................. 26 5 軋輥強度校核 .................................................................................................................29 軋輥各部分尺寸 ..................................................................................................... 29 軋機強度校核 ........................................................................................................ 30 支撐輥強度計算 ........................................................................................... 31 工作輥強度計算 ...........