【正文】 ..................................................... 39 5 孔型與工具設(shè)計(jì) ......................................................................................................... 40 穿孔工具設(shè)計(jì) ................................................................................................... 40 穿孔軋輥設(shè)計(jì) ......................................................................................... 40 材質(zhì)及技術(shù)要求（輥套） ................................................................................ 41 導(dǎo)盤設(shè)計(jì) ................................................................................................. 41 頂頭設(shè)計(jì) ........................................................................................................... 43 頂頭形狀類型 ......................................................................................... 43 各段尺寸 ................................................................................................. 44 頂頭材質(zhì)及技術(shù)要求 .............................................................................. 44 孔型設(shè)計(jì)的基本參數(shù)及變形量表示法 ............................................................. 44 簡(jiǎn)述 ........................................................................................................ 44 變形分配 ................................................................................................. 45 確定孔型結(jié)構(gòu)參數(shù) ................................................................................. 50 軋輥轉(zhuǎn)速計(jì)算 ................................................................................................... 53 軋輥轉(zhuǎn)速的限制 條件 .............................................................................. 53 計(jì)算步驟 ................................................................................................. 53 張減機(jī)孔型的重要參數(shù) .................................................................................... 56 6 軋機(jī)生產(chǎn)能力計(jì)算 ..................................................................................................... 58 典型產(chǎn)品的軋機(jī)小時(shí)產(chǎn)量 ................................................................................ 58 軋制節(jié)奏 R 的確定 ................................................................................. 58 軋機(jī)小時(shí)產(chǎn)量計(jì)算 ................................................................................. 60 7 設(shè)備強(qiáng)度與電機(jī)能力校核 .......................................................................................... 61 軋管機(jī)力能參數(shù)計(jì)算 ....................................................................................... 61 已知的基本參數(shù) ..................................................................................... 61 軋件對(duì)軋輥的作用力 P .......................................................................... 61 金屬與軋輥接觸面水平投影的計(jì)算 ....................................................... 61 共 5 頁(yè) 第 4 頁(yè) ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ 裝 ┊ ┊ ┊ ┊ ┊ 訂 ┊ ┊ ┊ ┊ ┊ 線 ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ 平均單位壓力計(jì)算 ................................................................................. 62 軋制力矩計(jì) 算 ................................................................................................... 65 軋輥強(qiáng)度校核 .................................................................................................. 65 輥身部分 —— 僅考慮彎曲強(qiáng)度 .............................................................. 66 輥徑部分 —— 按彎扭合成 ...................................................................... 67 軸頭部分的強(qiáng)度校核 .............................................................................. 67 主電機(jī)容量校核 .............................................................................................. 68 軋輥傳動(dòng)所需要力矩 .............................................................................. 68 電機(jī)空轉(zhuǎn)力矩 ......................................................................................... 69 傳動(dòng)系統(tǒng)動(dòng)力矩 ..................................................................................... 69 ...................................................................................... 69 電機(jī)軸上負(fù)荷圖 ..................................................................................... 69 電機(jī)能力校核 ................................................................................................... 70 發(fā)熱校核 ................................................................................................. 70 過(guò)載校核 ................................................................................................. 70 8 產(chǎn)品主要技術(shù)經(jīng)濟(jì)指標(biāo) ............................................................................................. 71 能源介質(zhì)消耗指標(biāo) ........................................................................................... 71 工具消耗指標(biāo) ................................................................................................... 72 結(jié) 論 ....................................................................................................................... 73 致 謝 ....................................................................................................................... 74 參考文獻(xiàn) ....................................................................................................................... 75 附 錄 ........................................................................................................................... 75 附 A（軋制表源程序） ................................................................................................ 76 附 B(外文翻譯 )............................................................................................................. 90 附表 C 外文原文 ........................................................................................................... 92 第 1 頁(yè) 共 93 頁(yè) ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ ┊ 裝 ┊ ┊ ┊ ┊ ┊ 訂 ┊ ┊ ┊ ┊ ┊ 線 ┊ ┊ ┊ ┊ ┊ ┊