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介绍了发动机汽缸盖的结构特点并进行了工艺分析,选择装配基准用底部大平面为分型面,整套模具在结构上采取镶拼式结构,并采用斜止口定位方式。通过加装阶梯月牙形防溅块,可有效防止金属液沿排气槽飞溅伤人。给出了动模、定模、浇注及排溢系统的3D结构图。
The structural features of the engine cylinder head are introduced and the process analysis is carried out. The large plane at the bottom of the assembly bench is selected as the parting surface. The whole mold is inlaying a mosaic structure on the structure, and the oblique way is adopted. Through the installation of step crescent-shaped splash block, which can effectively prevent molten metal along the exhaust slot splash wounding. The 3D structure diagrams of dynamic mold, fixed mold, pouring and overflowing system are given.