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本研究工作中表明：在热处理时，金属的原始组织和加热及冷却方法对冷镦模孔的交形及其使用寿命有巨大的影响。 经调质处理后。冷镦模加热到８２０℃（快速加热），然后放在夹具上在水中用水喷内孔；经过这样处理以后冷镦模的内孔变形甚小，而其使用寿命可增加３到５倍。
The research work shows that the primary structure of the metal and the heating and cooling methods have a huge impact on the shape of the cold heading die hole and its service life during the heat treatment. After quenching and tempering. Cold heading die heated to 820 ℃ (rapid heating), and then placed on the fixture in the water spray hole; after so cold heading die bore deformation is very small, and its service life can be increased by 3 to 5 times.