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塑料成型工藝與模具設計
摘要：該設計較系統(tǒng)的介紹了簡單注塑模具的設計過程。同時對塑件的成形工藝及模具成型結構對塑件質量的影響進行了分析。在設計過程中，首先對塑件進行工藝分析，了解塑件的材料、形狀、尺寸及精度要求，參考工藝的可行性，選擇滿足要求的工藝方案。然后我按照設計要求對組成注塑模具的成型零部件、澆注系統(tǒng)、導向機構、脫模結構、側向分型與抽芯機構、加熱與冷卻系統(tǒng)、排氣系統(tǒng)和其它零部件進行設計。在模具設計過程中較多的考慮了模具結構的調整性、易更換性及模具成本。從控制制件尺寸精度出發(fā)，對計算機按鍵注塑模的各主要尺寸進行了理論計算，以確定各工作零件的尺寸。模具零件設計完畢后，對重要的工作結構和零件進行了校核。校核結束后對模具安裝并調試。從模具設計到零部件的加工工藝以及裝配工藝等進行詳細的闡述，并應用CAD進行各零件的設計。
關鍵詞：工藝分析，塑件成型，澆注系統(tǒng)，模具結構，校核
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: process analysis; plastic parts moulding; casting system; molding structure.