The technology of grinding ball by centrifugal casting, the rotational speed, the method for calculation of ingate area and factors influencing technological process were introduced.

介绍了离心铸造磨球的工艺，以及转速、内浇口断面积计算方法和影响工艺过程的因素。

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A process chart for quick casting based on this method was presented, and a metal part was produced.

本文给出了由此方法实现快速铸造的工艺方案，并进一步实现了金属零件的快速铸造。

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This prediction method is simple and quick, and can predict any section in the casting. It is supplemented each other with modulus design method of casting process.

这种预测方法操作简单，计算迅速，可对铸件工艺图上指定部位进行预测，与模数法设计铸造工艺相辅相成。

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