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以内螺纹旋钮的双色注射模为例。阐述双色注射模热流道的结构特点、设计要点以及工作过程。通过对塑件结构特点的分析,确定注塑模具的整体设计方案,并对模具设计过程中的要点和难点进行分析。并介绍一种内螺纹自动脱模机构。该模具的设计方法对双色注射模具设计具有一定的指导意义。
Example of a two-color injection mold with internal thread knob. The structure characteristics, design points and working process of two-color injection mold hot runner are expounded. Through the analysis of plastic structural features, the overall design of injection mold is determined, and the key points and difficulties in the mold design process are analyzed. And introduce a kind of internal thread automatic stripping mechanism. The design method of the mold has the guiding significance to the design of the two-color injection mold.