【文章內容簡介】 ........... 9 平立可轉換軋機 ............................................................................................... 10 軋機布置選擇比較 ...................................................................................................... 11 橫列式布置軋機 ............................................................................................... 12 連續(xù)式布置的軋機 ........................................................................................... 12 棒材軋制工藝流程 ...................................................................................................... 13 石鋼棒材車間 ................................................................................................... 13 廣鋼棒材車間 ................................................................................................... 13 生產(chǎn)工藝特點 ................................................................................................... 14 軋機機架數(shù)確定 .......................................................................................................... 15 軋輥的各個參數(shù) .......................................................................................................... 16 軋輥的材質選 擇 ............................................................................................... 16 軋輥直徑 ........................................................................................................... 16 輥身長度 ........................................................................................................... 17 軋輥軸承 ........................................................................................................... 17 軋輥的調整機構 ............................................................................................... 17 4 孔型系統(tǒng)選擇與設計 ........................................................................................................... 19 孔型設計的要求與基本原則 ...................................................................................... 19 孔型系統(tǒng)的選擇 .......................................................................................................... 19 箱形孔型系統(tǒng) ................................................................................................... 19 橢圓－圓孔型系統(tǒng) ........................................................................................... 20 典型產(chǎn)品 φ14圓鋼的孔型設計 .................................................................................. 20 分配延伸系數(shù) ................................................................................................... 20 軋制各道次面積的確定 ................................................................................... 22 各道次軋件尺寸及孔型尺寸計算 ................................................................... 22 配輥 .............................................................................................................................. 29 孔型沿輥身長度方向的配置 ........................................................................... 29 孔型在軋制面垂直方向的配置 ....................................................................... 29 5 軋制節(jié)奏圖表與產(chǎn)量計算 ................................................................................................... 31 咬入角的計算 .............................................................................................................. 31 河北理工大學 畢業(yè)設計說明書 目錄 IV 前滑值的計算 .............................................................................................................. 32 軋輥的線速度、轉速及電機轉速確定 ...................................................................... 33 軋制節(jié)奏圖表 .............................................................................................................. 34 軋制間隙時間 ................................................................................................... 35 軋制節(jié)奏時間 ................................................................................................... 36 軋制總延續(xù)時間 ............................................................................................... 36 軋鋼機產(chǎn)量計算 .......................................................................................................... 36 軋鋼機產(chǎn)量概述 ............................................................................................... 36 車間的年產(chǎn)量計算 ........................................................................................... 38 車間金屬平衡 .............................................................................................................. 39 提高軋鋼機產(chǎn)量的主要途徑 ...................................................................................... 40 6 力能參數(shù)的校核 ................................................................................................................... 41 軋制溫度的計算 .......................................................................................................... 41 軋制道程中溫度變化的影響因素 ................................................................... 41 軋制力能計算及電機校核 .......................................................................................... 44 平均單位壓力的計算 ....................................................................................... 44 軋制壓力的計算 ............................................................................................... 46 軋制力矩的計算 ............................................................................................... 46 附加摩擦力矩的計算 ....................................................................................... 47 空轉力矩的計算 ............................................................................................... 47 靜力矩的計算 ................................................................................................... 48 等效力矩的計算 ............................................................................................... 48 電 機實際功率的計算 ....................................................................................... 49 軋輥彈跳計算 ...............................................................