Two program systems used in the design of roll forging dies were introduced.
本文介绍了用于辊锻模具设计的两个程序系统。
The main failure mode of the finish hot- forging dies for Valves are the hot wear of col- lapse.
气门热精锻模具失效的主要形式是热磨损和压塌。
The problems in cast technologies of hot-forging dies are pointed out and suggestions are presented.
指出了精铸热锻模具制造中存在的成型问题，并提出了建议。
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