本文介绍了两种压铸新技术——真空压铸和充氧压铸的基本原理、设备、特点及应用。
The new technique of vacuum diecast and oxygenation diecast are introduced in some aspects, which are basic principle, equipment, characteristic and application.
分析了大、中型铝合金压铸模的工作条件，进行了真空高压气冷热处理工艺的试验研究，选出了适宜的工艺参数，并应用于生产。
The service condition of aluminium alloy casting dies are analysed in this paper. The test of vacuum heat treatment process by high pressure gas quenching for the dies have been carried out.
试验研究了反重力浇注条件下，铝合金消失模真空低压铸造的充型流动特性。
Mold filling characteristics of Al alloy in vacuum lost foam low pressure casting (VLFLPC) under counter gravity condition were examined.
对用真空差压铸造法生产的铝合金铸件性能进行了研究，从理论和实践量方面论述了其较好的铸件内在性能。
The internal quality of aluminum alloy castings that were produced by Vacuum Differential Pressure casting was studied with both theory and practice.
对不同保压压力下真空差压铸造试样致密度进行分析，探讨真空差压铸造工艺的凝固补缩特性，建立凝固补缩过程的数学模型。
Through analyzing the density of vacuum counter-pressure casting samples under different keeping pressures, their solidification feeding behavior and mathematical model were discussed.
重点对热压铸成型工艺控制进行了论述，热压铸成型工艺用于中、低压领域的氧化铝陶瓷真空管的生产，具有潜力可挖。
Regard: The hot injection molding technology have great potentialities to produce the aluminum oxide electricvacuum ceramic tube, which will be used in higher or low-voltage circuit.
分析了影响铝合金消失模真空低压铸造充型形态的主要因素。
The effects of key factors on filling behaviors of liquid Al alloy in the VLFLPC were analyzed.
结果表明，尽管真空精炼具有很强的除气能力，但低压铸造的除气效果与压缩空气的相对湿度有关。
The results showed that although the vacuum smelting has strongly degassing capacity, the degassing effects is relevant to the relative humidity of compressed air in low pressure die casting.
以及腔室，在其中包括压铸单元并且安装有真空泵，真空泵将腔室抽成真空以防止非晶合金的氧化。
The chamber comprises the die-casting unit and is equipped with the vacuum pump which pumps the chamber into vacuum for preventing the oxidation of the amorphous alloy.
以及腔室，在其中包括压铸单元并且安装有真空泵，真空泵将腔室抽成真空以防止非晶合金的氧化。
The chamber comprises the die-casting unit and is equipped with the vacuum pump which pumps the chamber into vacuum for preventing the oxidation of the amorphous alloy.
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