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目錄
1 引言
1.1 模具生產(chǎn)的重要性.........................................1
1.2 我國(guó)塑料模具技術(shù)現(xiàn)狀.....................................1
1.3 模具技術(shù)的發(fā)展趨勢(shì).......................................2
2 電磁繼電器外殼注塑模具設(shè)計(jì)
2.1 制品工藝性能分析.........................................7
2.2 PS的加工工藝及成型性能..................................9
2.3 分型面的選擇............................................10
2.4 型腔數(shù)目的確定..........................................11
2.5 澆注系統(tǒng)的設(shè)計(jì)..........................................11
2.5.1 澆注系統(tǒng)的組成......................................11
2.5.2 澆注系統(tǒng)的布置......................................12
2.5.3 主流道的設(shè)計(jì)........................................12
2.5.4 分流道的設(shè)計(jì)........................................13
2.5.5 澆口的設(shè)計(jì)..........................................13
2.6 注塑機(jī)的選擇............................................14
2.6.1 最大的注塑量........................................14
2.6.2 注塑壓力............................................14
2.6.3 鎖模力..............................................15
2.6.4 模板尺寸的確定......................................16
2.6.5 模具安裝板的校核....................................17
2.6.6 開模行程的校核......................................17
2.7 側(cè)抽芯與側(cè)分型面機(jī)構(gòu)的設(shè)計(jì)..............................17
2.8 排氣問題................................................18
2.9 合模導(dǎo)向機(jī)構(gòu)的設(shè)計(jì)......................................19
2.9.1 導(dǎo)向機(jī)構(gòu)的作用......................................19
2.9.2 模架的選擇..........................................20
2.9.3 導(dǎo)柱導(dǎo)向機(jī)構(gòu)的設(shè)計(jì)..................................20
2.10 頂出機(jī)構(gòu)的設(shè)計(jì).........................................21
2.10.1 頂出機(jī)構(gòu)的驅(qū)動(dòng)方式..................................22
2.10.2 頂出機(jī)構(gòu)的設(shè)計(jì)原則..................................22
2.10.3 頂出行程............................................23
2.10.4 頂出位置的設(shè)置......................................23
2.10.5 脫模力的計(jì)算........................................24
2.10.6 導(dǎo)向裝置............................................24
2.10.7 頂桿的形式..........................................24
2.11 復(fù)位機(jī)構(gòu)的設(shè)置.........................................24
2.12 溫度調(diào)節(jié)系統(tǒng)對(duì)塑料件質(zhì)量的影響.........................25
2.13 模具的作用原理.........................................27
結(jié)論......................................................... 28
致謝......................................................... 29
參考文獻(xiàn).................................................. 30