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一、前言液态模锻又称挤压铸造。它是在研究压力铸造的基础上逐步发展起来的,是属于铸造和锻造的边缘学科。液态模锻的实质是把定量的液态金属直接浇入金属模内,然后在一定时间内以一定的压力作用于液态(或半液态)金属上,使之成形,并在此压力下进行塑性流动和结晶。因此,液态模锻实际上是铸造与锻造的组合工艺。它兼有铸造工艺简单、成本低,又有锻造产品性能好、质量可靠等优点。在生产形状较复杂而在性能上又有一定要求的工件时,液态模锻更
First, the foreword Liquid die forging, also known as squeeze casting. It is developed on the basis of research on pressure casting and belongs to the edge discipline of casting and forging. The essence of liquid die forging is the quantitative liquid metal directly into the mold, and then in a certain period of time to a certain pressure on the liquid (or semi-liquid) metal, forming, and under the pressure of plastic flow And crystallization. Therefore, the liquid die forging is actually a combination of casting and forging process. It combines casting process is simple, low cost, but also forging product performance, quality and reliable. In the production of more complex shape and performance in certain requirements of the workpiece, the liquid forging more