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三通 注塑 成型 工艺 模具设计 CAD 图纸 PDF

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三通管注塑成型工艺与模具设计摘要: 本设计题目为三通管注塑模设计，体现了管类塑料零件的设计要求、内容及方向，有一定的设计意义。通过对该零件模具的设计，进一步加强了设计者注塑模设计的基础知识，为设计更复杂的注塑模具做好了铺垫和吸取了更深刻的经验。 本设计运用塑料成型工艺及模具设计的基础知识，首先分析了塑件的成分及性能要求，为选取浇口的类型做好了准备；然后估算了塑件的体积，便于选取注塑机及确定型腔数量；最后分析了塑件的特征，确定模具的设计参数、设计要点及推出装置的选取。关键词：注塑模 流道 型腔 THE DESINGNING OF INJECTION MOLDING OF THREE-LIMB TNBEABSTRACT:The topic of the designing of injection molding of three-limb tube, reflects the type of plastic parts of the shell 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 designing of the use of injection molding and die designing of the basic knowledge, the first analysis of the plastic parts of the composition and performance requirements, select the type of gate prepared for the then estimate the volume of plastic parts, injection molding machines and facilitate the selection of identified Cavity volume of the final pieces of plastic the characteristics of the design parameters established mold, design elements and the introduction of the