The design and caculation of side drawing spindle structure of air pump lid test model for aluminium alloy parts with hole shaping by liquid forging have been intruduced.

• 通过对气泵上盖一模多件的工艺试验研究,介绍了铝合金挤压铸造带孔锻件时,试验模具侧抽芯机构的设计与计算。