Give some analyses to the failure forms of pinhole punch, bring forward several more ideal prevention measures, in order to improve usage life of a pinhole punch and quality of punching part.
对小孔凸模失效形式进行了分析，提出了几种较为理想的预防措施，以提高小孔凸模的使用寿命和冲压件质量。
In this paper, the failure of pin punch was analyzed and optimized based on FEA and PVD, according to failure mechanism of fracture and wear of pin punch.
本文主要利用FEA及PVD技术，针对细小凸模的断裂和磨损两种失效形式，进行失效分析与优化。
The model of the failure probability distribution was obtained by applying total failure time method for the numerical control punch.
运用故障总时间法初步确定数控冲床的故障概率模型。
In order to improve the lifespan of punch pin for al tube, the failure reason was carefully analyzed by SEM.
为了提高铝管冲头的使用寿命，用扫描电镜等手段对其失效原因进行深入分析。
In order to improve the lifespan of punch pin for al tube, the failure reason was carefully analyzed by SEM.
为了提高铝管冲头的使用寿命，用扫描电镜等手段对其失效原因进行深入分析。
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