We have decreased the warping distortion and increased wearing resistance of the cutting edge by adopting the method of whole martensite isothermal quenching and cutting ed...

• 采用整体马氏体等温淬火,刃口部位电火花强化的方法,既减少了翘曲变形,又提高了刃口耐磨性,使凹模寿命明显提高。