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。

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.

youdao

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。

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.

youdao