In high-speed cutting, the machining accuracy, cutting life and productivity are influenced by the high rotational speed of spindle.
高速切削时主轴转速很高，加工精度、刀具寿命和生产率受到影响。
Therefore, it is necessary and feasible to explore the effect of gear rotational speed on the gear contact fatigue life.
所以，探讨齿轮转速对齿轮传动接触疲劳寿命影响是必要且可行的。
The numerical results show that the gear contact fatigue life is connected with gear rotational velocity.
数值计算结果表明：齿轮传动的接触疲劳寿命与齿轮转速戚息相关。
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