【正文】 ..................................................................................................................................8 第三章塑件在模具中的位置與澆注系統(tǒng)的設(shè)計..........................................................................................8 型腔數(shù)目的確定...................................................................................................................................8 型腔的分布...........................................................................................................................................9 分型面的選擇.....................................................................................................................................10 澆注系統(tǒng)的設(shè)計.................................................................................................................................10 澆注系統(tǒng)的組成及設(shè)計原則..................................................................................................11 主流道的設(shè)計..........................................................................................................................11 分流道的設(shè)計..........................................................................................................................12 澆口的設(shè)計..............................................................................................................................13 冷料穴和拉料桿的設(shè)計..........................................................................................................14 排氣系統(tǒng)的設(shè)計......................................................................................................................15....................................................................................................................15 第四章成型零部件的結(jié)構(gòu)設(shè)計..................................................................................................................................16 型芯結(jié)構(gòu)的設(shè)計.................................................................................................................................16 ...........................................................................................................................16 ...........................................................................................................................16 ..............................................................................................................17 ...............................................................................17 ...................................................................................................17............................................................................................................................18 第五章結(jié)構(gòu)零部件的設(shè)計..........................................................................................................................................18 ..............................................................................................................................19 ...........................................................................................................................19 ..........................................................................................................................19 ...................................................................................................................20 ...............................................................................................................................21 ...............................................................................................................................21................................................................................................................................22 第六章推出機(jī)構(gòu)的設(shè)計..........................................................................................................................22 ..................................................................................................................................23 ......................................................................................................................................23 ......................................................................................................................24 .......................................................................................................................24....................................................................................................................24 第七章加熱、冷卻系統(tǒng)的設(shè)計..........................................................................................................................24 ......................................................................................................................25 ..................................................................................................................................25 ..........................................................................................................................25................................................................................................................................25 第八章主要尺寸的校核......................................................................................................................25 .......................................................................................................................25 ...........................................................................................................................26 ...............................................................