【正文】 ................4 功能結(jié)構(gòu)設(shè)計 ............................................................................................................4 工藝結(jié)構(gòu)設(shè)計 ............................................................................................................4 造型結(jié)構(gòu)設(shè)計 ............................................................................................................5 第二章 塑件的結(jié)構(gòu)分析與成型工藝設(shè)計 ...............................................................................6 塑件的結(jié)構(gòu)分析 ...........................................................................................................6 塑件的外型分析 .........................................................................................................6 塑件材料 (PS)分析 ......................................................................................................6 聚苯乙烯（ PS）的性能和成型特點 ........................................................................7 確定塑件收縮率 .........................................................................................................9 壁厚的確定 .................................................................................................................9 塑件的脫模斜度 .........................................................................................................9 圓角的設(shè)計 ...............................................................................................................10 側(cè)向活動鑲件設(shè)計 ...................................................................................................10 孔的設(shè)計 ................................................................................................................... 11 注射模設(shè)計與成形工藝 ............................................................................................. 11 注射模簡介 ............................................................................................................... 11 注射模組成 ............................................................................................................... 11 注射成形工藝 .............................................................................................................12 注射成形前的準(zhǔn)備 ...................................................................................................12 注射過程 ...................................................................................................................12 塑料制品的后處理 ...................................................................................................14 塑件的工藝分析 .........................................................................................................14 目 錄 注射成型原理 ...........................................................................................................15 第三章 塑料注射模具的結(jié)構(gòu)設(shè)計 .........................................................................................17 注射模結(jié)構(gòu)選取 .........................................................................................................17 型腔數(shù)目的確定 .......................................................................................................17 分型面的設(shè)計 ...........................................................................................................18 型腔的配置 ...............................................................................................................19 澆注系統(tǒng)的設(shè)計 .........................................................................................................20 澆注系統(tǒng)的簡介 .......................................................................................................20 澆注系統(tǒng)的分類及組成 ...........................................................................................20 澆注系統(tǒng)設(shè)計的原則 ...............................................................................................20 主流道的設(shè)計 ...........................................................................................................20 分流道的設(shè)計 ...........................................................................................................22 澆口的設(shè)計 ...............................................................................................................22 彎銷側(cè)向分型與抽芯機(jī)構(gòu) .........................................................................................24 推出機(jī)構(gòu)設(shè)計 ...........................................................................................................255 脫模機(jī)構(gòu)的設(shè)計原則與選用 .....................................................................................26 合模導(dǎo)向機(jī)構(gòu)設(shè)計 .....................................................................................................26 導(dǎo)柱導(dǎo)向機(jī)構(gòu)的設(shè)計 .................................................................................................26 排溢系統(tǒng)的設(shè)計 .........................................................................................................27 成型零件的設(shè)計 .........................................................................................................28 型腔結(jié)構(gòu)設(shè)計 ...........................................................................................................28 凸模與型芯結(jié)構(gòu)設(shè)計 ...............................................................................................29 螺紋型芯和螺紋型環(huán)的結(jié)構(gòu)設(shè)計 ...........................................................................30 成型零部件設(shè)計的計算依據(jù) ...................................................................................32 成型零件的結(jié)構(gòu)尺寸計算 .....................................................................................36 模具型腔側(cè)壁和底板厚度的計算 ...........................................................................38 支撐零部件的設(shè)計 ...................................................................................................40 第四章 塑料注射模其它設(shè)計 ...............................................................................................41 選標(biāo)準(zhǔn)模架 .................................................................................................................41 成型零件材料選用 .......................