On the basis of machining 12 casting moulds of six-cyclinder Diesel engine, the paper discusses the methods dealing with the problems in machining complex moulds.

• 在对12套复杂的多缸柴油机铸造模具进行造型、数控加工的基础之 上，本文论述了有关复杂模具数控加工的处理方法以及体会和见解。