The thesis presents a practical die structure with Angle pin and gear shaft and rack for secondary combined inclined down loosing core of die casting hopper bodies.
After the eccentric pin replaced the previous brass pin on the die, the precision was improved, rapid installation and convenient processing were achieved.
用偏心定位销取代干定型上原有的黄铜定位销,定位精度提高,安装快捷,加工方便。
3
By a specific instance of multi-working position progressive die design for this part, critical process design points are analyzed, and the working principle of grounding pindie is stated in detail.