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礦泉水瓶蓋注塑成型工藝及模具設(shè)計
摘要：本設(shè)計課題為礦泉水瓶蓋注塑成型工藝及模具設(shè)計，體現(xiàn)了部分螺紋類塑料零件的設(shè)計要求、內(nèi)容及方向，有一定的設(shè)計意義。通過對該零件模具的設(shè)計，進一步加強了設(shè)計者注塑模設(shè)計的基礎(chǔ)知識，為設(shè)計更復(fù)雜的注塑模具做好了鋪墊和吸取了更深刻的經(jīng)驗。
本設(shè)計運用塑料成型工藝及模具設(shè)計的基礎(chǔ)知識，首先分析了模具的發(fā)展趨勢、材料的特性塑件的成分及性能要求，為選取澆口的類型做好了準(zhǔn)備；然后估算了塑件的體積，便于選取注塑機及確定型腔數(shù)量；最后分析了塑件的特征，確定模具的設(shè)計參數(shù)、設(shè)計要點及推出裝置的選取。
本塑件有螺紋結(jié)構(gòu)，但螺紋較淺，為了減少工時、節(jié)約成本可以強制脫模。本副模具的設(shè)計中，上斷面下部，有一個較博的圓環(huán)，在制造時加工不方便，但可以制造小電極，采用電火花技術(shù)。
關(guān)鍵詞：注塑模 澆口 強制脫模 推板 Pro/E
Design topics covered in category
for njection mold design
Abstract：Design topics covered in this category for the injection mold design, part of the screw type of plastic parts design, content and direction of a certain design significance. Parts of the mold through the design, the designer has been further strengthened by the injection mold design based on knowledge, for the design of more complex injection molds made and lessons foreshadowing a more profound experience.
The use of plastic molding process design and die design of the basic knowledge, the first analysis of the development trend of the mold, the material characteristics of the plastic parts of the composition and performance requirements, select the type of gate prepared for the then estimate the size of the plastic parts , For selected cavity injection molding machine and set the number of the last of the plastic parts of the features of the design parameters established mold, design elements and the introduction of the device selected.
The plastic pieces are threaded structure, but less thread, in order to reduce working hours, the cost savings can be forced Stripping. The deputy dies in the design, on the lower section, have a Bo Circle, in the manufacturing, processing inconvenient, but we can manufacture of small electrodes, used EDM technology.
Key words: mandatory injection mold gate
Stripping push plate
Pro / E