【正文】 分型面的選擇原則 ....................................................................................................... 8 分型面確定 ................................................................................................................... 8 型腔數(shù)量確定及排列形式 .................................................................................................. 8 多型腔模具排列形式設(shè)計(jì)的要點(diǎn)： ........................................................................... 8 4 模具設(shè)計(jì) ................................................................................................................................... 10 注塑機(jī)選型 ........................................................................................................................ 10 注射量計(jì)算 ................................................................................................................. 10 注射機(jī)型號(hào)的選定 ..................................................................................................... 10 型腔數(shù)量的校核及注射機(jī)有關(guān)工藝參數(shù)的校核 ..................................................... 11 模具澆注系統(tǒng)設(shè)計(jì)和澆口的設(shè)計(jì) .................................................................................... 13 主流道的設(shè)計(jì) ............................................................................................................. 13 全套設(shè)計(jì)（圖紙）請(qǐng)聯(lián)系 174320523 各專業(yè)都有 分流道與澆口的設(shè)計(jì) ................................................................................................. 15 成型零件工作尺寸的設(shè)計(jì)和計(jì)算 .................................................................................... 15 型芯 ............................................................................................................................. 16 型腔 ............................................................................................................................. 17 型腔零件剛度和強(qiáng)度校核 ......................................................................................... 18 成型零件鋼材的選用 ................................................................................................. 18 模架的確定和標(biāo)準(zhǔn)件的選用 ............................................................................................ 18 合模導(dǎo)向機(jī) 構(gòu)和定位機(jī)構(gòu) ................................................................................................ 19 導(dǎo)向機(jī)構(gòu)的總體設(shè)計(jì) ................................................................................................. 19 導(dǎo)柱設(shè)計(jì) ..................................................................................................................... 20 導(dǎo)套設(shè)計(jì) ..................................................................................................................... 20 脫模推出機(jī)構(gòu)的設(shè)計(jì) ........................................................................................................ 21 推出機(jī)構(gòu)的組成 ......................................................................................................... 21 推出機(jī)構(gòu)的分類 ......................................................................................................... 21 脫模推出機(jī)構(gòu)的設(shè)計(jì)原則 ......................................................................................... 21 塑件的推出機(jī)構(gòu) ......................................................................................................... 21 脫模力的計(jì)算 ............................................................................................................. 22 斜頂與抽芯機(jī)構(gòu)設(shè)計(jì) ........................................................................................................ 23 側(cè)向分型與抽芯機(jī)構(gòu)類型的確定 ............................................................................. 23 斜頂?shù)脑O(shè)計(jì) ................................................................................................................. 23 各項(xiàng)尺寸的計(jì)算與校核 ............................................................................................. 23 排氣系統(tǒng)設(shè)計(jì) .................................................................................................................... 24 冷卻系統(tǒng)的優(yōu)化設(shè)計(jì) ........................................................................................................ 24 加熱系統(tǒng) ..................................................................................................................... 24 冷卻系統(tǒng) ..................................................................................................................... 24 冷卻裝置布置方案 ..................................................................................................... 26 模具材料例表 .................................................................................................................. 27 尼龍膠釘 .......................................................................................................................... 27 特點(diǎn) ........................................................................................................................... 27 型號(hào) ........................................................................................................................... 28 5 塑膠模具的加工方法及工藝 ................................................................................................... 29 常用加工工具及機(jī)器 ........................................................................................................ 29 加工方法及工藝 ................................................................................................................ 29 6 模具裝配 ................................................................................................................................... 30 塑料模具裝配的技術(shù)要求 ................................................................................................ 30 塑料模具裝配過(guò)程 ............................................................................................................ 30 裝配動(dòng)模部分 ............................................................................................................. 30 裝配定模部分 ......................................................................................................