壓縮包內(nèi)含有CAD圖紙和說明書,均可直接下載獲得文件，所見所得，電腦查看更方便。Q 197216396 或 11970985
目 錄
1 緒論···································································1
1.1 課題的背景及目的··················································1
1.2 國內(nèi)外發(fā)展?fàn)顩r····················································2
2 塑件的結(jié)構(gòu)工藝分析·····················································3
2.1 塑件的材料選擇及分析·············································3
2.2 估算塑件的體積和質(zhì)量·············································3
2.3 分析塑件的成型工藝參數(shù)···········································4
3 確定模具結(jié)構(gòu)方案·······················································5
3.1 脫模原理·························································5
3.2 確定型腔數(shù)量及布局形式···········································5
3.3 選擇分型面·······················································6
3.4 確定澆注系統(tǒng)與排氣系統(tǒng)···········································6
3.4.1 澆注系統(tǒng)形成···············································6
3.4.2 主流道的設(shè)計(jì)···············································6
3.4.3 分流道的設(shè)計(jì)···············································6
3.4.4 澆口的設(shè)計(jì)·················································7
3.4.5 排氣系統(tǒng)的設(shè)計(jì)·············································7
3.5 選擇推出方式·····················································7
3.6 模具加熱與冷卻方式···············································7
4 模具設(shè)計(jì)的有關(guān)計(jì)算·····················································8
4.1 型芯和型腔工作尺寸的計(jì)算·········································8
4.1.1 型腔徑向尺寸計(jì)算···········································8
4.1.2 型芯徑向尺寸計(jì)算···········································8
4.2 側(cè)壁厚度與底板厚度的計(jì)算·········································8
4.2.1 側(cè)壁厚度···················································8
4.2.2 推板厚度···················································8
4.3 斜導(dǎo)柱等側(cè)抽芯有關(guān)計(jì)算···········································8
4.3.1 斜導(dǎo)柱的設(shè)計(jì)···············································9
4.3.2 斜導(dǎo)柱的計(jì)算···············································9
4.3.3 斜滑塊的設(shè)計(jì)··············································10
4.3.4 鍥滑塊的設(shè)計(jì)··············································11
4.3.5 導(dǎo)滑條的設(shè)計(jì)··············································11
4.4 冷卻與加熱系統(tǒng)··················································12
5 注射機(jī)及模架的選擇····················································13
5.1 初選注射機(jī)······················································13
5.1.1 澆注系統(tǒng)的設(shè)計(jì)············································13
5.1.2 注射壓力··················································14
5.2 選用標(biāo)準(zhǔn)模架····················································15
6 校核注射機(jī)····························································16
6.1 注射量、鎖模力、注射壓力、模具厚度的校核························16
6.2 開模行程的校核··················································16
6.3 模具在注射機(jī)上的安裝 ···········································16
7 推出機(jī)構(gòu)的設(shè)計(jì)························································17
7.1 推件力的計(jì)算····················································17
7.2 推桿的設(shè)計(jì)······················································17
7.2.1 推桿的強(qiáng)度計(jì)算············································17
7.2.2 推桿的壓力校核············································18
7.3 推板強(qiáng)度計(jì)算····················································18
8 連接件的選用··························································19
8.1 銷釘?shù)倪x用······················································19
8.2 螺釘?shù)倪x擇······················································19
9 模具的裝配····························································20
9.1 定模的裝配······················································20
9.2 動(dòng)模的裝配······················································20
9.3 模具裝配圖的繪制················································20
結(jié) 論·······························································22
致 謝·······························································23
參 考 文 獻(xiàn)······························································24