对无凸模导向和保护套的模具结构进行分析，提出冲裁小凸模强度核算应考虑的问题。
Both the structure of die without punch guidance and protecting jacket are analyzed, and opinions that intensity of blanking small punch should be verified are concluded.
查阅和分析现有文献中给出的冲裁凸模强度校核公式，针对凸模抗压弯能力的强度校核问题进行了讨论。
Strength checking formula for blanking punch in current documents have been reviewed and the anti-bending ability of blanking punch is discussed.
凸模是冷挤压模具中重要的工件，其强度计算是模具设计的一个主要课题。
Cold extrusion punch is an important workpiece in punches and its strength analysis is a key component in punch design.
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