因此，研究湿型砂组分及性能参数快速测试系统对于提高铸件质量和劳动生产率具有非常重要的现实意义。

So it is significant for improving casting quality and social productivity of labor to study fast testing system of green sand composition and performance parameter.

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为了实现型砂质量的快速在线检测和组分控制，本文作者研制了一种基于新方法的型砂质量直接优化控制系统。

In order to test the composition of green sand on-line and control its quality, an optimizing direct-control system based on a new method has been developed by the authors.

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