【正文】 ..................................................................................... 3 課題意義 ...................................................................................................................... 3 壓力鑄造的特點(diǎn) .............................................................................................. 3 壓鑄模具設(shè)計(jì)的意義 ....................................................................................... 4 壓鑄發(fā)展歷史、現(xiàn)狀及趨勢(shì) ...................................................................................... 4 壓鑄的發(fā)展歷史 ............................................................................................... 4 我國(guó)壓鑄產(chǎn)業(yè)的發(fā)展 ....................................................................................... 5 壓鑄產(chǎn)業(yè)的發(fā)展趨勢(shì) ....................................................................................... 5 畢業(yè)設(shè)計(jì)內(nèi)容 .............................................................................................................. 7 第 2 章 壓鑄模具的整體設(shè)計(jì) .................................................................................................. 8 鑄件工藝性分析 ......................................................................................................... 8 鑄件立體圖及工程圖 ...................................................................................... 8 鑄件分型面確定 .............................................................................................. 9 澆注位置的確定 ............................................................................................ 10 壓鑄成型過程及壓鑄機(jī)選用 ................................................................................... 10 臥式冷室壓鑄機(jī)結(jié)構(gòu) .................................................................................... 10 壓鑄成型過程 ................................................................................................ 11 壓鑄機(jī)型號(hào)的選用及其主要參數(shù) ................................................................. 12 澆注系統(tǒng)設(shè)計(jì) ........................................................................................................... 13 帶澆注系統(tǒng)鑄件立體圖 ................................................................................ 12 內(nèi)澆口設(shè)計(jì) .................................................................................................... 13 橫澆道設(shè)計(jì) .................................................................................................... 14 直澆道設(shè)計(jì) .................................................................................................... 16 排溢系統(tǒng)設(shè)計(jì) ................................................................................................ 16 壓鑄模具的總體結(jié)構(gòu)設(shè)計(jì) ....................................................................................... 17 第 3 章 成型零件及斜滑塊結(jié)構(gòu)設(shè)計(jì) .................................................................................... 19 成型零件設(shè)計(jì)概述 ................................................................................................... 19 2 澆注系統(tǒng)成型零件設(shè)計(jì) ............................................................................................ 19 鑄件成型零件設(shè)計(jì) ................................................................................................... 21 成型收縮率 .................................................................................................... 21 脫模斜度 ........................................................................................................ 21 壓鑄件的加工余量 ........................................................................................ 23 鑄件成型尺寸的計(jì)算 ..................................................................................... 23 成型零件裝配圖 ....................................................................................................... 25 冷卻水道的設(shè)計(jì) ....................................................................................................... 25 第 4 章 推出機(jī)構(gòu)和模體設(shè)計(jì) ................................................................................................ 26 推出機(jī)構(gòu)設(shè)計(jì) ........................................................................................................... 26 推出機(jī)構(gòu)概述 ................................................................................................ 26 推桿 機(jī)構(gòu)的分類 ............................................................................................ 26 復(fù)位機(jī)構(gòu)設(shè)計(jì) ................................................................................................ 27 復(fù)位機(jī)構(gòu)的設(shè)置 ............................................................................................ 29 推出、復(fù)位零件的表面粗糙度、材料及熱處理后的硬度 ........................ 31 推出機(jī)構(gòu)裝配工程圖 .................................................................................... 31 模體設(shè)計(jì) ........................................................................................................................... 32 模體設(shè)計(jì)概述 ................................................................................................ 32 模體尺寸 ........................................................................................................ 34 模板導(dǎo)向的尺寸 ............................................................................................. 34 模體構(gòu)件的表面粗糙度和材料選擇 ............................................................. 34 模具總裝圖 ............................................................................................................... 34 模具總裝立體圖 和二維圖 ............................................................................... 35 第 5 章 模具的估價(jià) ................................................................................................................ 37 第 6 章 總結(jié) .............................................................................................................................38 參考文獻(xiàn) .................................................................................................................................. 39 致 謝 ......................................................................................