Abstract: This topic mainly aims at potted molded plastic lunch box's mold design, this plastic lunch box material for the non-toxic PP material, is in the daily life the common one kind models a product. Through to models to carry on the craft the analysis and the comparison, designs a note mold finally. This topic from the product mix technology capability, the concrete mold structure embarks, to mold's gating system, the mold formation part's structure, goes against the system, the cooling system, injection molding machine's choice and the related parameter examination, has the detailed design, simultaneously and simple establishment mold's processing craft. Through the entire design process indicated that this mold can achieve this to model the processing craft which an institute requests. According to the topic design's primary mission is the lunch box injection mold's design, is also designs an injection mold to produce models a product, realizes the automation to raise the output. In view of models a concrete structure, this mold is the runner duplex profile injection mold..
Key word: note mold , plastic lunch box
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