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介绍脉冲放电强化工艺中的占／空比对高速钢表面强化层硬度、耐磨性、粗糙度及厚度的影响，试验指出脉冲放电可得数十微米高硬度强化层，用于机锯条齿部件强化可显著提高其使用寿命。
The influence of the occupying / space ratio in the pulse discharge enhancement process on the hardness, wear resistance, roughness and thickness of the surface strengthened layer of high-speed steel is introduced. The experiment shows that the pulse discharge can obtain tens of micrometers high hardness strengthening layer for the machine saw blade tooth member Strengthening can significantly improve its service life.