【正文】 73 坯料選擇和金屬平衡表 .........................................................................................10 坯料選擇 ..........................................................................................................10 金屬平衡表 ......................................................................................................104 制定生產(chǎn)工藝流程 ................................................................................................12 生產(chǎn)工藝的制定 ..............................................................................................12 生產(chǎn)工藝過程 ..................................................................................................14 .................................................................................................................19 孔型系統(tǒng)選擇 ...................................................................................................19 孔型設(shè)計(jì)的內(nèi)容 .............................................................................................19 孔型設(shè)計(jì)的要求 .............................................................................................20 計(jì)算產(chǎn)品 Ф16MM 熱軋帶肋鋼筋孔型設(shè)計(jì) ................................................20 典型產(chǎn)品 Ф25 熱軋帶肋鋼筋的孔型設(shè)計(jì) ...................................................26 典型產(chǎn)品 Ф32 熱軋帶肋鋼筋孔型 .................................................................296 壓下規(guī)程的確定 ....................................................................................................33 軋制參數(shù)計(jì)算 ..................................................................................................33 軋制壓力計(jì)算 .................................................................................................34 軋制力矩的計(jì)算 .............................................................................................357．主電機(jī)的選擇及其參數(shù)計(jì)算 ..............................................................................37 主電機(jī)類型的選擇 .........................................................................................37 初選主電機(jī) .....................................................................................................378 主要設(shè)備選擇 ........................................................................................................40 設(shè)備選擇主要內(nèi)容 ..........................................................................................40 生產(chǎn)設(shè)備分類 ...................................................................................................40 設(shè)備選擇的原則 ..............................................................................................40 主要設(shè)備 ..........................................................................................................409 電動(dòng)機(jī)的校核及功率計(jì)算 ....................................................................................43 校核原則 .........................................................................................................434 第 4 頁 產(chǎn)品 Φ16 熱軋帶肋鋼筋的電機(jī)校核 ..............................................................4310 軋輥及機(jī)架強(qiáng)度剛度計(jì)算 ..................................................................................46 軋輥選擇 ........................................................................................................46 配輥 ................................................................................................................46　 軋輥校核 ......................................................................................................4611 軋機(jī)生產(chǎn)能力計(jì)算 ..............................................................................................52 軋機(jī)小時(shí)產(chǎn)量的計(jì)算 ....................................................................................52 軋鋼機(jī)平均小時(shí)產(chǎn)量 ....................................................................................53 軋鋼車間軋機(jī)年產(chǎn)量計(jì)算 ............................................................................53 軋機(jī)負(fù)荷率計(jì)算 ............................................................................................54 軋制圖表 ........................................................................................................5512 輔助設(shè)備的選擇 ..................................................................................................56 選擇原則 ........................................................................................................56 加熱設(shè)備 .......................................................................................................56 導(dǎo)位、活套設(shè)備 ............................................................................................60 剪切機(jī) ............................................................................................................60 冷卻設(shè)備 ........................................................................................................63 堆垛機(jī) ............................................................................................................63 打捆機(jī) ............................................................................................................63 起重運(yùn)輸設(shè)備的選擇 ....................................................................................6413 車間平面布置 ......................................................................................................67 車間平面布置的原則 ...................................................................................67 金屬流程線的確定 .......................................................................................67 設(shè)備間距的確定 ...........................................................................................68 其它設(shè)施面積的確定 ...................................................................................70 車間廠房組成及立面尺寸的確定 ...............................................................7214 車間主要經(jīng)濟(jì)技術(shù)指標(biāo) ......................................................................................74 經(jīng)濟(jì)技術(shù)指標(biāo)及其重要性 ............................................................................74 制定經(jīng)濟(jì)技術(shù)指標(biāo)的依據(jù) .............................................