【正文】 .. 3 Abstract ........................................................................................................................................... 4 第一章 引言 .................................................................................................................................. 5 第二章 塑件的工藝性能分析 .......................................................................................................... 6 塑件分析 ............................................................................................................................... 6 ................................................................................................................ 7 ................................................................................ 7 ......................................................................... 8 料成型主要技術(shù)指 標(biāo) ......................................................................................................... 9 .................................................................................................. 9 .............................................................................................................. 10 ............................................................................................................................ 10 圖 22塑件外型 ................................................................................................................................11 第三章 注射成型模具的設(shè)計(jì) ...................................................................................................... 12 ............................................................................................................................ 12 .......................................................................................................... 13 ................................................................................................................. 13 ................................................................................................ 14 ............................................................................................ 15 ....................................................................................................... 16 置和形狀的設(shè)計(jì) ................................................................ 16 ................................................................ 16 .................................................................................. 16 .................................................................................. 16 .......................................................................................................... 17 ..................................................................................... 17 圖 36 凹模 ....................................................................................................... 18 內(nèi)型心的結(jié)構(gòu)設(shè)計(jì) .......................................................................... 18 凸模的結(jié)構(gòu)設(shè)計(jì)和凹模一樣 ................................................................ 18 ..................................................................................................................... 19 .......................................................................................................... 19 ........................................................................... 19 ....................................................................... 19 .......................................................................................................... 22 1．定位作用 ................................................................................................. 22 2．導(dǎo)向作用 ................................................................................................. 23 3．承受一定的側(cè)向壓力 ............................................................................... 23 ..................................................................................................................... 24 1） 推出機(jī)構(gòu)應(yīng)盡量設(shè)置在動(dòng)模一側(cè) .......................................................... 24 2） 保證塑件不因推出而變形損壞 ................................................................ 24 3） 機(jī)構(gòu)簡(jiǎn)單動(dòng)作可靠 .............................................................................. 24 畢業(yè)設(shè)計(jì)（論文） 2 4） 良好的塑件外觀 ................................................................................... 24 5） 合模時(shí)的正確復(fù)位 ............................................................................... 24 ................................................................................................................... 25 模具冷卻系統(tǒng)的設(shè)計(jì)原則： .................................................