【正文】 ........................................ 20 軋制方案制定 ............................................................................................ 20 生產(chǎn)工藝的過(guò)程 ............................................................................................... 20 坯料表面預(yù)處理 ........................................................................................ 20 坯料加熱 .................................................................................................... 21 鋼材的軋制 ................................................................................................ 22 鋼材的冷卻與精整 .................................................................................... 24 軋輥的各個(gè)參數(shù) ................................................................................................ 24 軋輥的材質(zhì)選擇 ......................................................................................... 25 軋輥直徑 ..................................................................................................... 26 輥身長(zhǎng)度 ..................................................................................................... 27 軋輥軸承 ..................................................................................................... 28 軋輥輥頸直徑和輥頸長(zhǎng)度的確定 ............................................................. 29 軋輥的調(diào)整機(jī)構(gòu) ......................................................................................... 30 軋機(jī)主傳動(dòng) ....................................................................................................... 31 減速機(jī)和齒輪機(jī)座 .................................................................................... 31 電機(jī) ............................................................................................................ 31 連接軸 ........................................................................................................ 32 太原科技大 學(xué) 課 程 設(shè)計(jì) 目錄 IV 第 4 章 孔型系統(tǒng)選擇與設(shè)計(jì) .................................................................................... 34 棒材孔型系統(tǒng) ............................................................................................. 34 孔型的設(shè)計(jì)計(jì)算 ................................................................................................ 36 典型產(chǎn)品 ..................................................................................................... 36 軋制各道次面積的確定 ............................................................................ 39 成品孔型的設(shè)計(jì) ................................................................................................ 39 箱型孔 的設(shè)計(jì) ............................................................................................. 41 圓孔和橢圓孔的設(shè)計(jì) ................................................................................. 43 孔型配置 ............................................................................................................ 45 第 5 章 軋制節(jié)奏圖表與產(chǎn)量計(jì)算 ............................................................................ 46 咬入角的計(jì)算 .................................................................................................... 46 前滑值的計(jì)算 .................................................................................................... 46 摩擦系數(shù) f 的選擇 ..................................................................................... 46 中性角 ? 的計(jì)算 ......................................................................................... 46 前滑值 hS 的計(jì)算 ........................................................................................ 46 軋輥轉(zhuǎn)速及電機(jī)速度的確定 ........................................................................... 47 軋制節(jié)奏圖表 .................................................................................................... 47 軋制間隙時(shí)間 ............................................................................................ 47 各道次軋制間隙時(shí)間 ................................................................................ 48 總間隙時(shí)間 ................................................................................................ 49 軋鋼機(jī)產(chǎn)量的計(jì)算 ............................................................................................ 50 軋鋼機(jī)產(chǎn)量概述 ........................................................................................ 50 車(chē)間年產(chǎn)量的計(jì)算 .................................................................................... 52 第 6 章 力能參數(shù)的校核 ............................................................................................ 53 對(duì)輥頸計(jì)算彎曲和扭轉(zhuǎn)強(qiáng)度 ............................................................................ 53 對(duì)輥頭驗(yàn)算扭轉(zhuǎn)強(qiáng)度 ........................................................................................ 54 第 7 章 輔助設(shè)備的選擇 ............................................................................................ 55 加熱設(shè)備 ........................................................................................................... 55 入爐設(shè)備 ..................................................................................................... 55 出爐設(shè)備 .................................................................................................... 55 太原科技大 學(xué) 課 程 設(shè)計(jì) 目錄 V 導(dǎo)位、活套設(shè)備 ................................................................................................ 56 導(dǎo)衛(wèi)裝置 .................................................................................................... 56 活套活套的設(shè)計(jì) ........................................................................................ 56 剪切設(shè)備的選擇 ............................................................................................... 57 1飛剪機(jī) ..................................................................................................... 57 2飛剪機(jī) ..................................................................................................... 57 3倍尺剪 ..................................................................................................... 58 4定尺剪 .........................................................