电话机前壳注射模设计

Design of the injection mould for front shell of the telephone

分析了电话机前壳塑件的成型工艺．详细阐述了该电话机前壳注射模的结构设计要点与工作过程；通过对该塑件的结构分析，合理的安排了三处进料的浇注系统和冷却系统，使得模具的使用寿命和可靠性大大提高；重点阐述了浇注系统和冷却系统的设计要点。

Analyze the molding process for the plastic part on the front shell of telephone, detailedly descript elements and working procedures of structural design for the injection mould for front shell of the telephone; Through the structural analysis for the plastic part, reasonably arrange gating systems and cooling systems for 3 feeding points, which greatly improves service life and reliability of the mold, while the description focuses on the design points for gating system and cooling system..