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XXX 大學(xué)機(jī)電工程系畢業(yè)設(shè)計(jì)說(shuō)明書(shū)(論文) 第 0 頁(yè) 共 44 頁(yè) 目 錄 摘 要 ...................................................................................................................................................................1 ABSTRACT ........................................................................................................................................................2 目 錄 .................................................................................................................................................................3 前 言 ...................................................................................................................................................................6 第 1 章 塑件材料分析 .......................................................................................................................................8 1.1 基本特性 ..................................................................................................................................................8 1.2 成型特點(diǎn) ..................................................................................................................................................8 1.3 主要技術(shù)指標(biāo) ..........................................................................................................................................8 1.4 ABS 的注射工藝參數(shù) ..............................................................................................................................8 第 2 章 型腔數(shù)目的決定及排布 .....................................................................................................................11 第 3 章 分型面的選擇 .....................................................................................................................................13 第 4 章 澆注系統(tǒng)的設(shè)計(jì) .................................................................................................................................14 4.1 主澆道設(shè)計(jì) ............................................................................................................................................14 4.2 分流道設(shè)計(jì) ............................................................................................................................................16 4.3 冷料穴的設(shè)計(jì) ........................................................................................................................................16 4.4 澆口的設(shè)計(jì) ............................................................................................................................................17 4.4.1 位置選擇原則 ...............................................................................................................................17 4.4.2 澆口剪切速率的校核 ...................................................................................................................17 第 5 章 注射機(jī)的型號(hào)和規(guī)格的確定 .............................................................................................................19 第 6 章 成型零部件的工作尺寸計(jì)算 .............................................................................................................20 6.1 凸模徑向尺寸計(jì)算 ................................................................................................................................20 6.2 凸模高度尺寸計(jì)算 ................................................................................................................................21 6.3 凹模徑向尺寸的計(jì)算 ............................................................................................................................22 6.4 凹模型腔深度尺寸的計(jì)算 ....................................................................................................................23 6.5 定模型芯加工工藝卡 ............................................................................................................................24 第 7 章 模架的確定和標(biāo)準(zhǔn)件的選用 .............................................................................................................26 7.1 定模座板 ................................................................................................................................................26 7.2 定模固定板 ............................................................................................................................................26 7.3 動(dòng)模固定板 ............................................................................................................................................26 7.4 動(dòng)模墊板 ................................................................................................................................................26 7.5 墊塊 ........................................................................................................................................................26 7.6 動(dòng)模座板 ................................................................................................................................................27 第 8 章 導(dǎo)柱導(dǎo)向機(jī)構(gòu)的設(shè)計(jì) .........................................................................................................................28 XXX 大學(xué)機(jī)電工程系畢業(yè)設(shè)計(jì)說(shuō)明書(shū)(論文) 第 1 頁(yè) 共 44 頁(yè) 8.1 導(dǎo)柱導(dǎo)向機(jī)構(gòu)的作用 ............................................................................................................................28 8.2 導(dǎo)柱導(dǎo)套的選擇 ....................................................................................................................................28 第 9 章 排氣槽的設(shè)計(jì) .....................................................................................................................................30 第 10 章 推出機(jī)構(gòu)的設(shè)計(jì) ...............................................................................................................................31 10.1 選用原則 ..............................................................................................................................................31 10.2 推出機(jī)構(gòu)的分類(lèi) ..................................................................................................................................31 10.3 推出機(jī)構(gòu)的組成 ..................................................................................................................................31 10.4 脫模力的計(jì)算 ......................................................................................................................................31 10.5 抽芯機(jī)構(gòu)設(shè)計(jì) ......................................................................................................................................32 第 11 章 溫控系統(tǒng)設(shè)計(jì) ...................................................................................................................................35 11.1 模溫對(duì)塑件質(zhì)量的影響 ......................................................................................................................35 11.2 模溫對(duì)生產(chǎn)效率的影響 ......................................................................................................................35 11.3 加熱系統(tǒng) ..............................................................................................................................................36 11.4 冷卻系統(tǒng) ..............................................................................................................................................36 11.4.1 冷卻介質(zhì) .....................................................................................................................................36 11.4.2 冷卻裝置的理論計(jì)算 .................................................................................................................36 11.4.3 冷卻裝置的結(jié)構(gòu)形式 .................................................................................................................37 第 12 章 模具零部件材料選擇 .......................................................................................................................38 12.1 塑料模選用鋼材的原則 ......................................................................................................................38 12.2 模具的選材及熱處理要求 ..................................................................................................................38 第 13 章 模具工作過(guò)程 .................................................................................................................................39 第 14 章 注射模與注射機(jī)的關(guān)系 .................................................................................................................41 14.1 注射壓力的校核 ..................................................................................................................................41 14.2 鎖模力的校核 ......................................................................................................................................41 14.3 開(kāi)模行程與推出機(jī)構(gòu)的校核 ..............................................................................................................41 14.4 安裝部分相關(guān)尺寸校核 ......................................................................................................................41 設(shè)計(jì)小結(jié) ...........................................................................................................................................................43 致 謝 .................................................................................................................................................................44 參考文獻(xiàn) ...........................................................................................................................................................45