This paper introduces the structure characters and working principle of mould for cold stamping buttefly pallet.

介绍用于碟形托盘冷冲压成形模具的结构特点及工作原理。

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The effect of blank quality in cold extrusion on the damage way and service life of working parts (mould and die)is analysed, and some countermeasures presented.

分析了冷挤压毛坯质量对模具的工作部分（上、下凸模和凹模）的损坏形式和寿命的影响，指出了保证毛坯质量应采取的措施。

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