【正文】 r 2 目錄 1 引言 ............................................................................................................................................ 4 2 塑件成型工藝分析 ....................................................................................................................... 5 塑件材料分析 ................................................................................................................... 5 塑件結(jié)構(gòu)分析 ................................................................................................................... 6 塑件尺寸精度分析 ............................................................................................................ 6 表面質(zhì)量分析 ................................................................................................................... 7 、模具型腔數(shù)的確定 ....................................................................... 7 塑件的體積和質(zhì)量 .................................................................................................. 7 型腔數(shù)的確定 ......................................................................................................... 7 注射機(jī)的初步選擇 .................................................................................................. 7 塑件注射工藝參數(shù)的確定 ....................................................................................... 8 3 注射模的結(jié)構(gòu)設(shè)計(jì) ....................................................................................................................... 8 分型面的選擇 ................................................................................................................... 8 確定型腔的排列方式 ......................................................................................................... 9 澆注系統(tǒng)設(shè)計(jì) ................................................................................................................. 10 主流道設(shè)計(jì) .......................................................................................................... 10 分流道設(shè)計(jì) .......................................................................................................... 11 澆口設(shè)計(jì) .............................................................................................................. 11 排氣系統(tǒng)的設(shè)計(jì) .............................................................................................................. 14 側(cè)向分型機(jī)構(gòu)設(shè)計(jì) .......................................................................................................... 15 抽芯力的計(jì)算 ....................................................................................................... 16 確定抽拔距離 ....................................................................................................... 16 確定斜導(dǎo)柱傾角 ................................................................................................... 17 確定斜導(dǎo)柱長度 ................................................................................................... 17 楔緊塊的設(shè)計(jì) ....................................................................................................... 18 模具工作零件設(shè)計(jì) .......................................................................................................... 19 型腔組成 .............................................................................................................. 19 型腔及型芯工作尺寸計(jì)算 ..................................................................................... 20 模具材料的選擇 ................................................................................................... 22 脫模機(jī)構(gòu)設(shè)計(jì) ................................................................................................................. 22 脫模力計(jì)算 .......................................................................................................... 23 軸的校核及選擇 ................................................................................................... 24 傳動機(jī)構(gòu)設(shè)計(jì) ....................................................................................................... 24 彈簧的選擇 ..................................................................................................................... 25 模架的確定 ..................................................................................................................... 25 導(dǎo)向機(jī)構(gòu)的設(shè)計(jì) ............................................................................................................ 26 4 模具加熱和冷卻系統(tǒng)設(shè)計(jì) .......................................................................................................... 26 5 注射機(jī)有關(guān)參數(shù)的校核 .............................................................................................................. 26 最大注塑量校核 .............................................................................................................. 26 鎖模力校核 ..................................................................................................................... 27 模具與注塑機(jī)安裝部分相關(guān)尺寸校核 ........................................................................