The processing of throttle,the determination of parting surface and ingate position and the selection of die casting machine were paid attention to.

• 内浇道位置选取在法兰的侧面,这样金属液先填充主浇道,内部质量较好。模具设计两个侧型和一个抽芯,对浇口道,分流锥和高温热节区域采用点冷或循环水冷却方式。