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摘要
系統(tǒng)介紹了塑件的成形工藝及模具成型結(jié)構(gòu)對(duì)塑件質(zhì)量的影響分析,澆注系統(tǒng)的設(shè)計(jì),模具成型部分和總裝結(jié)構(gòu)的設(shè)計(jì)。介紹了滅火器注塑模具設(shè)計(jì)時(shí)要注意的要點(diǎn),并較多的考慮了模具結(jié)構(gòu)的調(diào)整性、易更換性及模具成本。從控制制件尺寸精度出發(fā),對(duì)滅火器注塑模的各主要尺寸進(jìn)行了理論計(jì)算,以確定各工作零件的尺寸,從模具設(shè)計(jì)到零部件的加工工藝以及裝配工藝等進(jìn)行詳細(xì)的闡述,并應(yīng)用CAD進(jìn)行各重要零件的設(shè)計(jì)。
關(guān)鍵詞: 模具設(shè)計(jì);塑件成型;工藝性分析;澆注系統(tǒng)
Injection Mold for fire extinguisher
Abstract
The molding process of plastic parts, the effect analysis to plastic parts quality caused by molding structure, as well as the casting system design, partial and general design of mold moulding introduced respectively. The critical points of mold for plastic design are introduced, and the adjustable character of molding structure、exchange character as well as the molding costs are all considered farther. Starting from controlling dimensional accuracy, the theoretical calculation to the main dimensions of injection molding are carried out so as to determine the size of different parts, the molding design and the process of parts as well as assembling process and etc of injection molding are stated in details.
Key words: mold design; plastic parts moulding; process analysis; casting system;
目 錄
緒 論……………………………………………………………………………… 1
第1章 模塑工藝規(guī)程的編制…………………………………………………… 3
1.1 塑件的工藝性分析………………………………………………… 3
1.2 計(jì)算塑件的體積和質(zhì)量…………………………………………… 4
1.3 塑件注塑工藝參數(shù)的確定……………………………………………4
第2章 注塑模的結(jié)構(gòu)設(shè)計(jì)……………………………………………………… 5
2.1 分型面的選擇………………………………………………………… 5
2.2 確定型腔的排列方式………………………………………………… 5
2.3 澆注系統(tǒng)設(shè)計(jì)………………………………………………………… 6
2.4 抽芯機(jī)構(gòu)設(shè)計(jì)………………………………………………………… 6
2.5 成型零件結(jié)構(gòu)設(shè)計(jì)………………………………………………… 8
第3章 模具設(shè)計(jì)的有關(guān)計(jì)算……………………………………………………… 9
3.1 型腔和型芯工作尺寸計(jì)算…………………………………………… 9
3.2 型腔板的三維尺寸確定……………………………………………… 11
第4章 模具加熱及冷卻系統(tǒng)的計(jì)算……………………………………………… 13
第5章 模具閉合高度及注塑機(jī)有關(guān)參數(shù)的校核 ……………………………… 14
5.1模具閉合高度…………………………………………………………… 14
5.2注塑機(jī)有關(guān)參數(shù)的校核………………………………………………… 14
第6章 模具的裝配、試模與維修………………………………………………… 15
6.1裝配…………………………………………………………………… 15
6.2試?!? 15
6.3模具的維修…………………………………………………………… 16
第7章 主要零件加工工藝規(guī)程的編制 …………………………………………… 17
第8章 結(jié) 論…………………………………………………………………………19
致 謝………………………………………………………………………………… 20
參考文獻(xiàn)……………………………………………………………………………… 21