According to the characteristic of manufacture techniques of investment casting enterprises, this article shows the development procedure, function and application effect of MIS.

本文结合精密铸造企业生产工艺特点，介绍了管理信息系统的开发、功能与应用。

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According to the characteristic of die casting, the mathematical model suitable for numerical simulation of die casting dies was set up and the corresponding boundary conditions were determined.

针对压铸特点，建立了适合于数值模拟的压铸摸具温度场数学模型，确定了压铸过程的边界条件。

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Based on the production of copper clad steel wire, the characteristic of inversion casting is introduced, and the rule of parameter influencing cladding specific value systematically value studied.

以包铜钢线为研究对象，介绍了反向凝固复合工艺特点，系统地研究了各工艺参数对包复比的影响，并对实验结果作了理论分。

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