介绍了小型轴承套的胎模锻造工艺，并详述了组合套模的设计要点。
The die forging process for the small type bearing bushings has been described in this article, as well as the design outline of the assembled sleeve die.
介绍了差温无模锻造的概念和基本原理以及要在金属坯料土产生大的差温所采取的方案。
The concept of thermal differential mouldless forging and the method of generating large thermal differential are introduced first.
论述了锤模锻造锻件的顶出机构应达到的基本要求；介绍了顶出机构的几种形式及设计要点；
The main demands which must be attained for forgings ejection mechanism in drop hammer forging were discussed. several patterns and the design essentials of the ejection mechanism were introduced.
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