Mathematical Model and Machining Method for Spiral Flute Rake Faces of Hourglass Worm Gear Hob

• 作 者: YANG Jie LI Haitao RUI Chengji
• 机 构: CollegeofEngineering,KeyLaboratoryofOptimalDesignofModernAgriculturalEquipmentinBeijing,BeijingKuien
• 出 处: 南京航空航天大学学报:英文版
• 发表日期: 2019年3期
• 关键词: HOURGLASS WORM gear HOB cylindrical generating surface SPIRAL FLUTE RAKE face RA
• 基金项目: the National Natural Science Foundation of China (No.51475460).

To improve the cutting performance of an hourglass worm gear hob and the accuracy of the resulting worm gear,the rake angles of the teeth on the pitch circle should be reduced.A method of forming the spiral flutes by using a variable transmission ratio wa