There is not standard about the available hardened depth of laser quenching gears, which is disadvantage to its application.
齿轮激光淬火有效硬化层深的取值到目前为止没有统一的标准，这对该项技术的推广应用十分不利。
Based on that hardened case depth can be increased by delay in air after forging, the technique of delay quenching after forging is proposed in this paper.
基于锻后预冷淬火可提高工件的淬硬层深度，本文提出锻后余热预冷淬火工艺。
The depth and width of quenching layer increases with the laser power increasing.
激光 输出功率增大，淬硬层深度和宽度增加。
The depth of hardened layer after surface quenching was about 0.
磨 辊 齿经等离子弧表面淬火后硬化层的厚度约为0。
The depth of hardened layer after surface quenching was about 0.
磨 辊 齿经等离子弧表面淬火后硬化层的厚度约为0。
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