In this study, the effect of rim thickness of hybrid gears on the root stress, joint stress, tooth stiffness, natural frequency, and dynamic behavior are examined numerically. Hybrid gears consist of two materials, which are steel for the teeth-rim and hub regions of gear, carbon fiber reinforced plastic (CFRP) for the web region. Adhesive bonding is assumed for the joining of steel and composite materials. FE method is used to evaluate tooth root stress, joint stress, tooth deformation, and the natural frequency of hybrid gears. The adhesive is defined by cohesive zone modeling (CZM). Moreover, 2-DOF dynamic analyses are implemented to obtain dynamic factors and static transmission error. According to results, hybrid gears have substantial potential to reduce the mass of gear transmission systems with no adverse effect on root stress and dynamic factor if the design parameters are appropriately selected. Besides, rim thickness is found as a critical parameter for the hybrid gears since when its value changes from 0.5xm to 3xm, the root stress decreases 10% while the tooth stiffness and torque capacity increase 20% and 65%, respectively.

在这项研究中，数值研究了混合齿轮轮辋厚度对齿根应力，关节应力，齿刚度，固有频率和动态行为的影响。混合动力齿轮由两种材料组成，分别是齿轮的齿圈和轮毂区域用的钢，腹板区域的碳纤维增强塑料（CFRP）。假定将钢和复合材料连接起来采用粘接。FE方法用于评估齿根应力，关节应力，齿变形和混合齿轮的固有频率。粘合剂由内聚区建模（CZM）定义。此外，还进行了2-DOF动态分析以获得动态因素和静态传输误差。根据结果​​，混合动力齿轮具有巨大潜力，以减少齿轮传动装置的系统的质量与根应力和动态因素没有不利的影响，如果设计参数适当地选择。此外，轮辋厚度是混合齿轮的关键参数，因为当其值从0.5xm变为3xm时，根部应力减小10％，而齿刚度和扭矩能力分别增大20％和65％。