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一、低压铸造法的实质和优点低压铸造法的应用,已有二十多年的历史。它是介于金属型和压力铸造法之间的一种铸造方法,是在金属型铸造法基础上积累经验加以发展而来的。它的实质是在一密封容器中的金属液面上通入干燥的压缩
First, the essence and advantages of low-pressure casting method Low-pressure casting method has more than 20 years of history. It is a casting method between the metal type and the pressure casting method developed from the accumulation of experience based on the metal casting method. Its essence is to introduce dry compression into the liquid metal in a sealed container