The effect of different carburizing programs on the microstructure and thick of carburized layer of screw bevel gears has been studied, meanwhile the fatigue life of these gears has also tested.

• 本文研究了不同渗碳淬火工艺对螺伞齿轮组织及渗层深度等影响,并对螺伞齿轮进行了台架疲劳测试。