Transcription of Chapter 5 Product and Mold Design
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55 Product andMold DesignProduct DesignMold DesignChapter 55 Product and Mold Design56 Although component Design in thermoplas-tics is complex, following a few fundamentalprinciples will help you minimize problemsduring molding and in part performance. Ofcourse, the guidelines given here are on the particular requirements ofthe part, it may not always be possible tofollow all of our suggestions. But theseguidelines, in furthering your understand-ing of the behavior of thermoplastics, canhelp you effectively resolve some of themore common Design Wall ThicknessFor parts made from most thermoplastics,nominal wall thickness should not mm.
Threads Molded-in threads can be designed into parts made of engineering thermoplastic resins. Threads always should have ... The trapezoidal runner should be designed with a taper of 2 to 5° per side, with the depth of the trapezoid equal to its base width, as shown in Figure 37. This configuration ensures a
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