【正文】 design work to ensure that the use of a reliable tool to ensure the coordination with other parts. Finally, a set of autoCAD drawing die assembly drawing and parts drawing. The fuel tank of the oil window end cap through the issue of the injection mold base design, consolidate and deepen the knowledge, and achieved satisfactory results, to achieve the desired design intent. KEY WORDS: Plastic mold， Injection molding， Mold design 河南理工大學畢業(yè)設計（論文）說明書 I 目 錄 前 言 ....................................................................................................... 1 1 制件 成型及 工藝性分析 ...................................................................... 3 制件分析 ...................................................................................... 3 制件原料的工藝性能 ................................................................ 3 制件材料的選擇 ............................................................... 3 主要用途和成形特點 ........................................................ 4 脫模斜度的確定 ......................................................................... 4 塑件的尺寸 及精度 .................................................................... 5 2 初選注射機 .......................................................................................... 6 計算塑件體積 ........................................................................... 6 選擇注塑機 ................................................................................. 6 確定 型腔數(shù)目 ............................................................................. 8 3 擬定 模具結構的設計 .......................................................................... 9 型腔數(shù)目的確定及排列方式 ...................................................... 9 分型面位置的確定 .................................. 9 澆注系統(tǒng) 的設計 .................................. 10 澆口的確定 .......................................................................10 主流道的設計 .................................................................. 11 分流道的設計 ..................................................................12 主流道冷 料穴的設計 ......................................................13 .....................................................................................14 澆口的類型及位置的確定 ..............................................14 澆口結構尺寸的經(jīng)驗計算 ..............................................14 澆注系統(tǒng)的平衡 ..............................................................15 澆注系統(tǒng)凝料體積計算 ..................................................15 流過澆注系統(tǒng)各截面熔體的體積計算 ...........................16 普通澆注系統(tǒng)截面尺寸的計算與校核 ...........................16 ..............................................................18 河南理工大學畢業(yè)設計（論文）說明書 II 型腔的結構設計 ..............................................................18 型芯的結構設計 ..............................................................18 模具成型零部件尺寸計算 .........................................................19 計算成型零部件尺寸要考慮的因素 ...............................19 制件尺寸的公差轉(zhuǎn)換 ......................................................20 成型零部件尺寸計算 .......................................................21 模架的選用 ................................................................................24 模架型號的確定 ..............................................................24 模架具體尺寸的確定 ......................................................25 結構零部件的設計 ...................................................................26 支承板的設計 ................................................................26 墊塊的設計 ......................................................................27 定模座板和動模座板的設計 ..........................................27 導柱的設計 ......................................................................27 導套的設計 ......................................................................28 設計導柱導套需要注意的事項 .......................................29 .........................................................................29 推桿的設計 ......................................................................30 4 側(cè)向分型與抽芯機構設計 .................................................................33 ......................................................33 ...................................34 .............................................................................34 ...................................37 5 溫度調(diào)節(jié)系統(tǒng)設計 .............................................................................39 ......................................................39 ..............................................................39 .............................................................................39 冷卻水孔直徑的確定 .................................................................44 6 注射機的相關校核 .............................................................................45 注射機額定注射量的校核 .........................................................45 河南理工大學畢業(yè)設計（論文）說明書 III .........................................................................45 .............................................................................45 ..................................................................46 噴嘴尺寸校核 ...................................................................46 模具厚度校核 ...................................................................46 開模行程的校核 ........................................................................47 結論 ..........................................................................................................48 致謝 ..........................................................................................................49 參考文獻 ...................................................................................................50 附 錄 ......................................................................................................51 河南理工大學畢業(yè)設計（論文）說明書 1 前 言 塑料模具的設計是模具制造中的關鍵工作。明確了設計思路，確定了注射成型工藝過程并對各個具體部分進行了詳細的計算和校