锻模的配合公差是为了允许上模能根据下模替换。
Die match tolerances are to allow for shift in the upper die with respect to the lower die.
对新型精铸模具钢制热锻模具的失效进行了分析，并对不同形式下模具的失效原因作了探讨。
The failure dies of hot forged cast dies made by a new type of cast steel have been analyzed. The failure causes of different failure patterns are discussed.
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