To improve and stabilize the service life of hot-forging die fabricated by cast die steer, the failure modes and mechanism were analyzed.
为了稳定和提高精铸热锻的使用寿命，研究了其失效形式和机理。
The stress states of the die were studied, and the assembled-die structure is put forward to improve the service life of die.
对模具的应力状态进行了分析，提出了组合凹模的方法以提高模具使用寿命。
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