【正文】 ................6二、注射成型機(jī)的選擇 ............................................................................................7三、型腔布局與分型面設(shè)計(jì)...................................................................................7(1)、型腔數(shù)目的確定 ............................................................................................7(2)、型腔的布局 .....................................................................................................7(3)、分型面的設(shè)計(jì) ................................................................................................8四、 澆注系統(tǒng)設(shè)計(jì) ...................................................................................................9(1)、主流道設(shè)計(jì) .....................................................................................................9(2)、主流道襯套的固定 .....................................................................................10(3)、分流道的設(shè)計(jì) ..............................................................................................11(4)、澆口的設(shè)計(jì) ...................................................................................................13五、成型零件的設(shè)計(jì)...............................................................................................15 3 (1)、成型零件的結(jié)構(gòu)設(shè)計(jì) ................................................................................16凹模結(jié)構(gòu)設(shè)計(jì) ...................................................................................16型芯結(jié)構(gòu)設(shè)計(jì) ...................................................................................16(2)、成型零件工作尺寸計(jì)算 ............................................................................17外型尺寸 ...........................................................................................18內(nèi)腔尺寸 ...........................................................................................20六、 合模導(dǎo)向機(jī)構(gòu)設(shè)計(jì)........................................................................................21(1)、導(dǎo)柱結(jié)構(gòu) ........................................................................................................22(2)、導(dǎo)套結(jié)構(gòu) ........................................................................................................22七、脫模機(jī)構(gòu)的設(shè)計(jì)...............................................................................................23(1)、脫模機(jī)構(gòu)的設(shè)計(jì)的總體原則 ..................................................................23(2)、推桿設(shè)計(jì) ........................................................................................................24推桿的形狀 .......................................................................................24推桿的位置與布局 ...........................................................................24(3)、推件板設(shè)計(jì)的要點(diǎn) .....................................................................................25(4)、開模行程與推出機(jī)構(gòu)的校核 ..................................................................25(5)、澆注系統(tǒng)凝料脫模機(jī)構(gòu) ................................................................26工藝卡...........................................................................................................................