在感应淬火中，通过改变加热时间、加热功率和冷却速度可以改变淬硬层深度和硬度梯度。
The hardening case depth and hardness curve can be changed by adjusting heating time, heating power and cooling speed during induction hardening.
随着砂轮粒度或砂轮硬度的提高，磨削淬硬层深度相应增加。
When the granularity or hardness of the grinding wheel increases, the hardened layer depth increases.
磨削深度是影响工件表面硬度和磨削淬硬层厚度的主要因素。
The effect of grinding depth on work piece surface hardness and hardness layer depth is important factor.
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