该研究通过试验模型测量局部加压过程中金属型、铸件和加压杆的温度变化曲线，分析了传热与凝固现象。
The heat transfer and solidification change are analyzed by measuring the temperature change curves of metal mold, casting and pressurized bar in experimental model during local pressurization.
用机器制造，安装和装配铸件和其他零部件，用以制作所需形状的精密模型，如金属图案，芯盒和匹配板。
Machine, fit and assemble castings and other parts to make precision models of required shape such as metal patterns, core boxes and match plates.
本文以外节点直接差分法，建立了铸件凝固温度场的数值模拟模型。
A model of thermal field of casting is developed by using direct difference (outside node) method.
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