【正文】 ... 1 二十輥冷軋機 ........................................................................................................... 2 特種結構的軋機 ....................................................................................................... 2 2 產品方案和金屬平衡表的制定 ................................................................................... 2 原料及技術要求 .............................................................................................................. 2 原料規(guī)格 ................................................................................................................... 2 原料種類 ................................................................................................................... 3 原料技術要求 ........................................................................................................... 3 產品方案 .......................................................................................................................... 4 冷軋板卷 ................................................................................................................... 5 特深沖板卷 ............................................................................................................... 5 遼寧科技大學本科生畢業(yè)設計（論文） IV 熱鍍鋅板卷 ............................................................................................................... 5 電鍍鋅板卷 ............................................................................................................... 6 涂層產品 .................................................................................................................... 6 產品方案表 ...................................................................................................................... 6 冷軋帶鋼規(guī)格數量分配 (總產量 240 萬噸 ) .......................................................... 7 特深沖帶鋼規(guī)格數量分配 (總產量 60 萬噸 ) .......................................................... 7 熱鍍鋅帶鋼規(guī)格數量分配 (總產量 40 萬噸 ) .......................................................... 8 電鍍鋅帶鋼規(guī)格數量分配 (總產量 32 萬噸 ) .......................................................... 8 涂層帶鋼規(guī)格數量分配 (總產量 28 萬噸 ) .............................................................. 8 3 軋制工藝流程及軋制制度的制定 .............................................................................. 9 軋制工藝流程圖 .............................................................................................................. 9 各部分工藝流程 .............................................................................................................. 9 帶鋼連續(xù)加工處理機組 ......................................................................................... 10 酸洗 冷軋聯合機組 ................................................................................................ 10 單垛式緊卷罩式退火機組 ..................................................................................... 12 連續(xù)熱鍍鋅機組 ..................................................................................................... 12 連續(xù)電鍍鋅機組 ..................................................................................................... 13 涂層機組 ................................................................................................................. 14 薄板橫剪機組和包裝機組 ..................................................................................... 15 連 續(xù)輥壓成形機組（備選） ................................................................................. 16 軋制制度的制定 ............................................................................................................ 16 壓下規(guī)程的制定 ..................................................................................................... 16 計算各道軋制壓下的步驟說明 ............................................................................. 16 軋制速度制定 ......................................................................................................... 22 輥型制度 ................................................................................................................. 22 4 設備的選擇 ...................................................................................................................... 24 酸洗 —— 冷軋聯合機組 ................................................................................................ 24 罩式退火機組 ................................................................................................................ 26 單機架四輥平整機組 .................................................................................................... 27 連續(xù)熱鍍鋅機組 ............................................................................................................ 29 連續(xù)電鍍鋅機組 ............................................................................................................ 31 涂層機組 ........................................................................................................................ 32 剪切機組 ........................................................................................................................ 35 重卷機組 ........................................................................................................................ 36 5 軋機生產能力校核 ........................................................................................................ 37 軋輥強度校核 ................................................................................................................ 37 軋輥各部分尺寸的確定 ......................................................................................... 37 軋輥強度校核 ......................................................................................................... 38 軋機生產能力校核 ........................................................................................................ 41 軋機工作圖表 ......................................................................................................... 41 軋機年生產能力校核 ................