差压铸造工艺方法的核心是差压充型，压力下凝固。
The technological core of the differential pressure casting is the filling model under differential pressure and the solidification under pressure.
研究了差压铸造不同工艺参数对A357合金二次枝晶间距的影响。
The effect of counter-pressure casting parameters on secondary dendrite arm spacing (SDAS)of A357 alloy was studied.
采用组合式数字阀作为主要流量控制元件，构建差压铸造液面加压控制系统。
The fluid surface forcing control system applied on counter pressure casting is built based on the combined digital valve as the main flow control component.
论述在低压、差压铸造的生产过程中，液面加压控制系统对提高铸件致密度的重要作用。
The important role of liquid surface pressure control system on density of casting during die casting process and different process has been put forward.
采用差压铸造工艺，研究垂直缝隙式浇注系统浇注的铝合金硅铸件不同位置的组织和力学性能变化。
Different site microstructure and mechanical properties of aluminum-silicon alloy in differential pressure casting process were investigated. The gate system was adopted vertical slitting gate system.
本文介绍一台差压铸造设备的设计与计算。以为差压铸造设备的设计与应用者提供借鉴和技术参考。
The paper introduces the design and calculation of a counter pressure casting equipment, to provide the designers and users with experience and technical reference.
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.
基于有限差分法，对大型铝合金支架间接挤压铸造充型和凝固过程进行了数值模拟。
Numerical simulation of filling and solidification of large aluminum alloy support frame in indirect casting was conducted based on FDM.
基于有限差分法，对大型铝合金支架间接挤压铸造充型和凝固过程进行了数值模拟。
Numerical simulation of filling and solidification of large aluminum alloy support frame in indirect casting was conducted based on FDM.
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