【正文】 ............................................................................................. 12 精軋機(jī)機(jī)組的選擇 .................................................................................... 14 熱卷箱的選擇 ............................................................................................ 17 3 典型產(chǎn)品的壓下規(guī)程設(shè)計(jì)和輥型設(shè)計(jì) ................................................................ 20 壓下規(guī)程設(shè)計(jì) ................................................................................................... 20 坯料尺寸 .................................................................................................... 20 粗精軋機(jī)組壓下量分配 ............................................................................ 21 咬入能力校核 ............................................................................................ 22 確定速度制度 ............................................................................................ 22 軋制溫度的確定 ........................................................................................ 24 軋制壓力的計(jì)算 ........................................................................................ 25 計(jì)算傳動(dòng)力矩 ............................................................................................ 28 軋輥輥縫和轉(zhuǎn)速的設(shè)定 ............................................................................ 29 軋輥輥型設(shè)計(jì) ................................................................................................... 31 1 河北理工大學(xué) 畢業(yè)設(shè)計(jì)說明書 4 軋制圖表與年產(chǎn)量計(jì)算 ........................................................................................ 36 軋制圖表 ........................................................................................................... 36 研究軋制圖表的意義 ................................................................................ 36 軋制圖表的基本形式及其特征 ................................................................ 36 軋鋼機(jī)的產(chǎn)量計(jì)算 ........................................................................................... 38 軋鋼機(jī)小時(shí)產(chǎn)量 ........................................................................................ 38 軋機(jī)平均小時(shí)產(chǎn)量 .................................................................................... 39 軋鋼車間年產(chǎn)量計(jì)算 ................................................................................ 40 5 軋輥強(qiáng)度的校核與電機(jī)能力驗(yàn)算 ........................................................................ 42 軋輥的強(qiáng)度校核 ............................................................................................... 42 支撐輥彎曲強(qiáng)度 ........................................................................................ 42 工作輥的扭轉(zhuǎn)強(qiáng)度校核 ............................................................................ 44 工作輥與支撐輥的接觸應(yīng)力校核 ............................................................ 46 電機(jī)的 校核 ....................................................................................................... 48 電機(jī)負(fù)荷圖 ................................................................................................ 48 主電機(jī)的功率計(jì)算 .................................................................................... 51 6 輔助設(shè)備的選擇 .................................................................................................... 53 加熱爐的選擇 ................................................................................................... 53 步進(jìn)式加熱爐的發(fā)展 ................................................................................ 54 技術(shù)裝備 .................................................................................................... 55 除鱗設(shè)備的選擇 ............................................................................................... 57 剪切設(shè)備的選擇 ............................................................................................... 58 冷卻設(shè)備的選擇 ............................................................................................... 59 卷取機(jī)的選擇 ................................................................................................... 60 活套支撐器 ....................................................................................................... 61 7 軋制工藝過程 ........................................................................................................ 65 原料選擇和加熱 ............................................................................................... 65 原料選擇 .........