【正文】 The design is being more perfect under the help of teachers and the discussion between students. The exchange of technology experience is an important way to improve the mold design level. Economic globalism can never realize without the exchange of technology. KEY WORDS: mold， plastic， trolley wheel， standardization， exchange of technology III 目 錄 前 言 ....................................................................................................... 1 第 1 章 前期準備 .................................................................................... 2 了解設(shè)計任務(wù)書 ......................................................................... 2 接受任務(wù)書 ....................................................................... 2 任務(wù)書分析 ....................................................................... 2 資料準備及時間安排 ...................................................... 2 第 2 章 分析工藝方案的制定依據(jù) ....................................................... 4 制件應(yīng)用領(lǐng)域 ............................................................................. 4 滾輪的使用環(huán)境 .............................................................. 4 制件工藝性分析 ......................................................................... 4 材料分析 ........................................................................... 4 結(jié)構(gòu)分析 ........................................................................... 5 第 3 章 核心設(shè)計及注射機初選 ........................................................... 7 選擇分型面 ................................................................................. 7 分型面的設(shè)計方案 .......................................................... 7 分型面的確定 .................................................................. 8 型腔設(shè)計 ................................................................................... 10 型腔的數(shù)目 ..................................................................... 10 型腔的布置 ..................................................................... 10 裝配草案初定 ........................................................................... 10 分析設(shè)計總結(jié)構(gòu) ............................................................ 10 繪制裝配初稿 .................................................................11 修改草稿定方向 ............................................................ 12 注射機的初選 ........................................................................... 13 注射機的種類及結(jié)構(gòu) .................................................... 13 注射機初定 ..................................................................... 13 第 4 章 模具結(jié)構(gòu)設(shè)計 .......................................................................... 15 凸凹模結(jié)構(gòu)設(shè)計 ...................................................................... 15 IV 凸模（型芯）設(shè)計 ........................................................ 15 瓣合凹模（滑塊）設(shè)計 ................................................ 15 澆注系統(tǒng)及排溢系統(tǒng)的結(jié)構(gòu)設(shè)計 .......................................... 16 流道的設(shè)定 ..................................................................... 16 澆口的設(shè)定 ..................................................................... 17 冷料穴的設(shè)定 ................................................................ 18 排氣槽的設(shè)定 ................................................................ 19 溫度調(diào)節(jié)系統(tǒng)的結(jié)構(gòu)設(shè)計 ...................................................... 19 溫度調(diào)節(jié)對生產(chǎn)率的影響 ............................................ 19 冷卻位置的選擇 ............................................................ 20 冷卻水道的布局 ............................................................ 20 脫模機構(gòu)的設(shè)計 ....................................................................... 21 推出距離計算 ................................................................ 21 推出結(jié)構(gòu)的設(shè)定 ............................................................ 22 導(dǎo)向和定位的結(jié)構(gòu)設(shè)計 .......................................................... 23 導(dǎo)柱導(dǎo)套的布局 ............................................................ 23 導(dǎo)柱導(dǎo)套的結(jié)構(gòu)設(shè)定 .................................................... 24 螺釘和銷釘?shù)牟季? ........................................................ 24 模具與注射機連接結(jié)構(gòu)設(shè)計 .................................................. 25 定位圈的選擇 ................................................................ 25 動模座板孔徑及模具安裝方式 .................................... 25 第 5 章 繪 制裝配圖及零件圖 ............................................................. 26 成形零件的尺寸計算 .............................................................. 26 制件尺寸精度分析 ........................................................ 26 凸凹模對應(yīng)尺寸計算 .................................................... 26 模具標準化 ............................................................................... 29 模具標準化意義 ............................................................ 29 模具的標準化程度選擇 ................................................ 29 繪制裝配草圖 ................................................................ 30 相關(guān)數(shù)據(jù)校核 ........................................................................... 31 V 推桿強度校核 ................................................................ 31 最大注射量校核 ............................................................ 31 注射壓力校核 ................................................................ 31 鎖模力校核 ..................................................................... 31 安裝 部位的尺寸校核 .................................................... 32 開模行程和頂出結(jié)構(gòu)的校核 ........................................ 32 裝配圖修善 ............................................................................... 32 注射機的最終確定 ........................................................ 32 根據(jù)數(shù)據(jù)變動修改裝配圖 ............................................ 33 完善裝配圖 ..................................................................... 33 零件圖繪制 ............................................................................... 33 零件的分類及部分精度 ................................................ 34 主要零件的加工方法 ..................