新型钻气孔机用于全自动造型线，设计采用自上而下、群钻气孔方式。该设计已获得国家专利。

Designed with a form as from top to bottom and group drilling set, a new type of drilling machine for air hole for automatic molding line has been awarded a national patent.

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本文介绍了德国HWS公司的EFA SD6静压造型自动线，对造型线的组成、 控制系统、工作过程等进行了详细的介绍，并对存在的问题进行了改进。

Model EFA-SD6 automatic moulding line of German company HWS has been introduced in details of its component part, control system, working process etc. The existing problems have been solved.

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