【正文】 求 。 動模和定模分別在動模固定板和定模固定班上用螺紋連接。本設(shè)計澆口位置設(shè)計了兩種方案： 側(cè)面進(jìn)澆口 分型面正中位置垂直進(jìn)澆口 通過 moldflow 軟件分析后比較方案 2 更適合（具體見所交圖），進(jìn)行優(yōu)化后澆口位置如圖。 本設(shè)計的華為 C8812E 后蓋在日常生活中很常見 ，生產(chǎn)批量中等 ，本設(shè)計 采用普通澆注系統(tǒng) ，冷流道結(jié)構(gòu)。 （ 6）考慮鎖模力，盡量減少塑件在合模方向上的投影面積。 （ 2）塑件壁厚： 塑料制件規(guī)定 了 它的 成形 最小壁厚值， 不同的塑件都有不同的壁厚值 。 在這次利用 Pro/ENGINEER 軟件設(shè)計中，正常的注塑模具設(shè)計中對于模架的設(shè)計時很麻煩的，因?yàn)橐惶啄＞哂泻芏嗟呐浼?但是運(yùn)用 這個專門設(shè)計注塑模具模塊，可以在模架加載塊里選擇很多的標(biāo)準(zhǔn)模架和標(biāo)準(zhǔn)配件，節(jié)省了設(shè)計工作者大量的在這方面的工作。這也促使各種更精密、更智能化的模具得到發(fā)展和應(yīng)用。 我國大多數(shù)模具生產(chǎn)廠家模具開發(fā)能力比較低，尤其是創(chuàng)新能力方面的不足。通過這次設(shè)計，不僅對注射模具設(shè)計有了更深的理解，也讓學(xué)習(xí)的知識得到了運(yùn)用。 關(guān)鍵詞 : 注塑模 Pro/E 仿真加工 Moldflow 基于 Pro/E 的手機(jī)外殼模具設(shè)計與解析 2 Abstract This design is to China for C8812E mobile phone back cover of injection mold design and mould is one of the most mon molding plastic products, because in plastic injection mold can be onetime injection molding sophisticated pieces,can reduce the scientific research and design all mobile phone back cover injection mold design of the detailed process and the introduction, the first in China to C8812E mobile phone back cover design, determine the parting surface, gating system design, the choice of injection molding machine, and then to Pro/ selection of die set, check, etc., these processes are very detailed the cell phone back cover injection mold design process mainly USES the Peo/ modelling design and its related to mobile phone shell EMX die fast on the selection of die gating system using Moldeflow software mainly gate location optimization, cooling circuit optimization, injection pressure, and a series of auxiliary analysis, through these analysis can be design to improve design, a very large extent, save the design cycle, improve the this design, not only for injection mold design had a deeper understanding, also make learning knowledge was obtained. Keywords: injection mold, Pro/E, simulation processing， Moldflow 基于 Pro/E 的手機(jī)外殼模具設(shè)計與解析 3 目錄 摘 要 ..................................................................................................................... 1 Abstract..................................................................................................................... 2 1 前言 ..................................................................................................................... 1 模具工業(yè)在國內(nèi)外現(xiàn)狀及其重要性 ................................................................ 1 設(shè)計的目的及意義 ........................................................................................... 2 2 塑件成形工藝性分析 .......................................................................................... 4 手機(jī)后蓋分析 .................................................................................................. 4 塑件的材料性能 .............................................................................................. 5 塑件的工藝性能 .............................................................................................. 5 3 注塑機(jī)的確定 ..................................................................................................... 6 分型面的確定 .................................................................................................. 6 型腔的數(shù)量確定及排列方式 ........................................................................... 6 注塑機(jī) 的選擇 .................................................................................................. 8 4 澆注系統(tǒng)的設(shè)計 ................................................................................................ 10 澆注系統(tǒng)的組成和設(shè)計原則 ......................................................................... 10 主流道的設(shè)計 ................................................................................................ 10 分流道的設(shè)計 ................................................................................................ 11 澆口的設(shè)計 .................................................................................................... 12 排氣方式設(shè)計 ................................................................................................ 13 型腔、型芯的結(jié)構(gòu)設(shè)計和固定方式 .............................................................. 14 型腔、型芯工作尺寸計算 ............................................................................. 14 型腔側(cè)壁和底板厚度計算 ............................................................................. 15 動模墊板厚度 ................................................................................................ 16 基于 Pro/E 的手機(jī)外殼模具設(shè)計與解析 4 5 脫膜機(jī)構(gòu)的設(shè)計 ................................................................................................ 17 推出機(jī)構(gòu) ........................................................................................................ 17 分型原理 ........................................................................................................ 17 脫膜力計算 .........