【正文】 .............................................. I ABSTRACT ......................................................................................................................................... II 1 緒論 ........................................................................................................................................... 1 引言 .................................................................................................................................... 1 工字鋼生產(chǎn)現(xiàn)狀 ................................................................................................................ 2 孔型設(shè)計(jì)及現(xiàn)狀發(fā)展 ........................................................................................................ 3 總結(jié) .................................................................................................................................... 4 2 攀鋼軌梁廠設(shè)計(jì)概況 ............................................................................................................... 6 廠房建設(shè)情況 .................................................................................................................... 6 設(shè)計(jì)規(guī)模的設(shè)想 ............................................................................................................... 6 主要設(shè)備 .......................................................................................................................... 6 型鋼主要生產(chǎn)工藝 ............................................................................................................ 6 開坯 ................................................................................................................................. 6 加熱、軋制 ...................................................................................................................... 7 精整 ................................................................................................................................. 7 原料的選擇及清理 ............................................................................................................ 8 原料的選擇 ...................................................................................................................... 8 原料的檢查和清理 ............................................................................................................ 8 原料加熱和加熱爐 ............................................................................................................ 9 原料的加熱 ...................................................................................................................... 9 加熱爐 ............................................................................................................................. 9 3 25a 工字鋼軋制工藝設(shè)計(jì) ......................................................................................................10 工字鋼的生產(chǎn)工藝流程 ...................................................................................................10 孔型設(shè)計(jì) ...........................................................................................................................11 孔型系統(tǒng)的選擇 .............................................................................................................. 11 孔型系統(tǒng)的優(yōu)缺點(diǎn) ........................................................................................................... 11 孔型 設(shè)計(jì)原則 ..................................................................................................................12 延伸系數(shù)的分配 ..............................................................................................................12 腿部變形原則 ..................................................................................................................13 確定腿尖 a、腿根 b的尺寸 .............................................................................................13 目 錄 2 孔型系統(tǒng)計(jì)算 ..................................................................................................................13 軋制規(guī)程設(shè)計(jì) ...................................................................................................................21 950開坯機(jī)壓下規(guī)程的編制 .............................................................................................21 軋制道次 .........................................................................................................................21 速度制度 .........................................................................................................................22 電機(jī)平衡負(fù)荷校核 ...........................................................................................................25 軋制壓力的計(jì)算 ..............................................................................................................26 軋制力矩的計(jì)算 ..............................................................................................................28 軋輥強(qiáng)度校核 ...................................................................................................................31 950軋機(jī)強(qiáng)度校核 ...........................................................................................................31 800Ⅰ軋機(jī)校核 ................................................................................................................32 800Ⅱ軋機(jī)校核 ................................................................................................................33 850軋機(jī)校核 ..................................................................................................................34 4 導(dǎo)衛(wèi)裝置設(shè)計(jì) ............................................................................................................................35 橫梁 ...................................................................................................................................35 衛(wèi)板 ...................................................................................................................................35 導(dǎo)板 ............................