【正文】 ........... 27 各道次出口厚度及壓下量的確定 ................................................................... 28 目 錄 IV 粗軋機(jī)的壓下量分配原則 ......................................................................... 28 精軋機(jī)的壓下量分配原則 ......................................................................... 28 分配各道次壓下 ......................................................................................... 29 軋機(jī)咬入的校核 ............................................................................................... 29 確定軋制速度制度 ........................................................................................... 30 粗軋機(jī)速度制度 ......................................................................................... 30 精軋機(jī)速度制度 ......................................................................................... 31 加減速度的選擇 ......................................................................................... 32 確定軋制溫度制度 ......................................................................................... 33 粗軋各道次溫度確定 ................................................................................. 33 精軋各道次溫度確定 ................................................................................. 34 力能參數(shù)的計(jì)算 ............................................................................................... 34 軋制力的計(jì)算和空載輥縫的設(shè)定 ............................................................. 34 軋制力矩的計(jì)算 ......................................................................................... 37 附加摩擦力矩的計(jì)算 ................................................................................. 39 空轉(zhuǎn)力矩的計(jì)算 ......................................................................................... 41 動(dòng)力矩的計(jì)算 ............................................................................................. 43 板形控制技術(shù) .................................................................................................... 44 層流冷卻對溫度的控制及大致的冷卻速率的確定 ........................................ 45 第 5 章 軋輥強(qiáng)度和主電機(jī)能力的校核 .................................................................... 47 軋輥強(qiáng)度的校核 ............................................................................................... 47 支撐輥的校核 ............................................................................................. 47 工作輥的校核 ............................................................................................. 49 工作輥與支撐輥間的接觸應(yīng)力 ................................................................. 51 主電機(jī)能力的校核 ........................................................................................... 54 軋制過程中靜負(fù)荷圖的制定 ..................................................................... 54 主電機(jī)的校核 ............................................................................................. 56 第 6 章 年產(chǎn)量的計(jì)算及軋制圖表 ............................................................................ 59 軋鋼機(jī)年產(chǎn)量的計(jì)算 ....................................................................................... 59 軋鋼機(jī)年產(chǎn)量的計(jì)算 ................................................................................. 59 軋鋼機(jī)平均小時(shí)產(chǎn)量的計(jì)算 ..................................................................... 60 軋鋼車間年產(chǎn)量的計(jì)算 ............................................................................. 61 軋鋼機(jī)工作圖表的制定 ................................................................................... 61 軋制圖表的基本形式及其特征 ................................................................. 62 軋機(jī)工作圖表的制定 ................................................................................. 63 目 錄 V 第 7 章 輔助設(shè)備的選擇 ............................................................................................ 65 加熱爐的選擇 ................................................................................................... 66 加熱能力的確定 ......................................................................................... 67 爐子數(shù)量的確定 ......................................................................................... 67 爐子尺寸的確定 ......................................................................................... 68 除磷裝置的選擇 ............................................................................................... 69 除磷的必要性 ............................................................................................. 69 各種除磷方式的比較 ................................................................................. 69 本次設(shè)計(jì)除磷裝置的選擇 ......................................................................... 70 剪切設(shè) 備的選擇 ............................................................................................... 71 帶鋼冷卻裝置 ................................................................................................... 72 卷取設(shè)備的選擇 ............................................................................................... 74 輥道的選擇 ....................................................................................................... 76 活套支撐器 ....................................................................................................... 79 概述 ............................................................................................................. 79 活套支撐器的相關(guān)參數(shù)的計(jì)算 ................................................................. 80 控制設(shè)備 ........................................................................................................... 81 厚度控制技術(shù) ............................................................................................. 82 板形控制 ..................................................................................................... 83 寬度控制 ..................................................................................................... 84 第 8 章 軋鋼車間平面布置及經(jīng)濟(jì)技術(shù)指標(biāo) ............................................................ 87 軋鋼車間平面布置 .................................................................