介绍了锤上自由锻工艺自动设计系统ZZ DGS的特点、结构及功能，并重点说明了系统开发中几个关键问题的处理方法。
The feature, structure and function of a automatic design system ZZDGS for free forging technique are introduced and treatment of some key problems in systematic development is demonstrated.
叙述了羊角锤新旧模锻工艺过程，介绍了活动模具的动作原理及模具结构。
Described the technological process of the new and the old forging die for the claw hammer, introduced the working principle of the movable die and die structure.
本锤适用于锻工车间对各种形状零件的自由锻造。
The hammer is applied in different kinds of free forging in the forging shop.
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