Generation and analysis of gear drive with tubular tooth surfaces having double contact points

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• 作者：Dong Liang^a ; ^b ; ^{liangdong213@cqu.edu.cn} ; Bingkui Chen^a ; Chengli Hua^c ; Ruijin Liao^b
• 关键词：Gear ; Tubular tooth surfaces ; Double contact points ; Rack cutter ; Stress analysis
• 刊名：Archives of Civil and Mechanical Engineering
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：17
• 期：2
• 页码：318-325
• 全文大小：1754 K
• 卷排序：17

文摘

The gear drive with tubular tooth surfaces having double contact points is proposed. The generation of gear pair is investigated based on two mismatched rack cutters. The basic tooth profiles of rack cutters for generating the pinion and the gear are designed, respectively. Mathematical models of tooth surfaces are derived according to the geometric relationships. Solid models of gear pair are also established. Stress analysis of tubular tooth surfaces having double contact points is carried out using the finite element method. The results show that the proposed gear drive has the better transmission characteristics. Gear prototype is finished with CNC machining technology. The further studies on the dynamic characteristics and experimental test of this gear drive will be carried out.