以典型冲压件整修模的模具结构为例。因受零件自身尺寸的限制，极大影响了模具凹模的强度和刚度。
Taking the die structure of typical punching parts shaving die as an example, since restricted by the parts size itself, the intension and rigidness of concave die is seriously affected.
组合凹模的应力分析是一个非常复杂的问题，对其进行精确分析是解决模具寿命的关键。
The stress analysis of compound female die is a very complicated problem. Its accurate analysis is the key to solve die longevity.
冲裁侧刃是端子模具中的重要工序，其冲裁形状和凸、凹模结构对端子生产质量影响很大。
Punching side blade is an important procedure of terminals die, its punching shape, concave die and convex die structure greatly impact the terminals on manufacture quality.
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