混合式陶瓷轴承沟道结构参数的简化算法

以目前钢轴承的结构参数合理正确和轴承滚动体与内外圈滚道在相同的接触应力及接触面积作用下具有相近的接触疲劳寿命及发热为前提 ,以相同负荷作用下 ,混合式陶瓷球轴承与相应钢轴承的接触应力和接触面积相等为依据 ,给出了混合式陶瓷球轴承内外圈沟道结构参数的简化计算方法。以 6 2 0 9深沟球轴承为例 ,对相应的混合式陶瓷球轴承的沟道曲率半径进行了计算 ,以计算结果制造的混合式陶瓷球轴承的运转性能完全能够满足使用要求

A Simplified Method for Calculating Structural Parameters of a Hybrid Ceramic Ball Bearing

Existing methods for calculating structural parameters of the hybrid ceramic ball bearing are very complicated. We present a simplified calculation method for ring raceway curvature radii of hybrid ceramic ball bearing. This simplified method is based on two basic theories: (1) the structural parameters of existing steel ball bearing are correct; and (2) the bearings possess the same contact fatigue life and temperature rise when the ring raceway of bearings endure the same contact stress and contact area. The simple formula of the ring raceway curvature radii of hybrid ceramic ball bearing is obtained based on the hybrid ceramic, and steel bearings have equivalent contact stress and area under the same load. As an example, the ring raceway curvature radii of a hybrid ceramic ball bearing 6209 are calculated. The hybrid ceramic bearing manufactured with our calculation result can meet the need of running performance.