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介绍了P-Q2图(P为金属压力,Q为金属流量)的概念,并讨论了PQ2规则在锌合金压铸中的应用,尤其是其在合理设置浇注系统尺寸方面的指导作用。
The concept of PQ2 (P is the metal pressure and Q is the metal flow) is introduced. The application of PQ2 rule in zinc alloy die-casting is discussed, especially its guiding role in setting the size of gating system.