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（河南機電高等專科學(xué)校畢業(yè)設(shè)計）
摘 要
本設(shè)計題目為擋條套塑料模設(shè)計，體現(xiàn)了對帶有凸臺零件的設(shè)計要求，具有一定的設(shè)計意義。本文首先簡要的概述了塑料模在社會領(lǐng)域中的作用及其以后的發(fā)展方向；其次對工件圖進行工藝性分析，進而確定設(shè)計方案，考慮脫模方法，計算工作零件的尺寸和選擇其它零部件；最后進行總結(jié)，繪制總裝圖和零件圖。
在設(shè)計中，運用到了塑料模具設(shè)計與制造的基礎(chǔ)知識。脫模方式的確定，是本設(shè)計的關(guān)鍵，這設(shè)計的正確與否直接關(guān)系到成本的高低和設(shè)計模具能否正常工作。由于制件尺寸較小，又帶有小凸臺，通過計算又不能進行強制脫模，綜合考慮以上因素，采用成型頂桿結(jié)構(gòu)比較經(jīng)濟、合理。
通過這次畢業(yè)設(shè)計不僅使我掌握了塑料模設(shè)計的一般流程，學(xué)習(xí)到了好多課本上沒有學(xué)到的知識，更重要的是讓我學(xué)會了如何查閱資料，使我受益頗深。
關(guān)鍵詞：模具設(shè)計與制造 成型頂桿 工藝性分析
ABSTRACT
This is a set of platic moulds about backing jacket what the parts with convex platform .have a meaning of mold design .This text the brief plastic role in socal field
of mould of summary and developing direction afterwards at first.then carry on the
craft to analyse according to the work piece picture , defininite the design plan ,consider the stripper method ,calculate out mould work some size ,choose other standard spare part according to the designing requirement . At the end have a generalize drafting the assemblely drawing and part drawing.
During the design,operating the foundation knowledge about mold desin and making ,the key to designing is choosing the stripper method ,whether this one that is involne directly or not correctly whether the level of the cost and design mould could work normally.
Owing to the element too samall with convex platform,don’t stripper by forcing ,intgration above factorials,choosing the forming pressure pin is very rationalization.
Make me not merely the general procedure of plastic mold design through graduation project once ,study to the knowledge not learning to get on many text books even more,the more importmant is make me know how to look up document benefit me a great deal.
Keyword: Mold design and making , forming pressure pin , craft analysis.