Tooth bending stress analysis of high speed curve face gear of composite transmission

Abstract

To promote the engineering application of composite transmission of high speed curve face gear, which consists of a cylindrical gear and a high speed curve face gear, the analysis of tooth bending stress should be taken into consideration. High speed curve face gear pair is a new type of curve face gear pair. Combined with the principle of high speed cam and curve face gear pair transmission, it can transfer the axial/rotation composite motion and power between two intersecting shafts. Based on the gear engagement principle, the gear meshing coordinate system was established and the fundamental of the high speed composite transmission was expounded. Combined with the tooth profile equation of generating gear, the tooth surface equation of high speed curve face gear was gained. Tooth force, contact ratio and normal load distribution were calculated. Then the tooth bending stress of high speed curve face gear during the transmission was calculated and analyzed in detail. Influence of basic parameters on tooth bending stress was discussed. Finally, the simulation and measurement experiment of tooth bending stress was carried out. By the comparison analysis of simulation, experiment and theory, the correctness of tooth bending stress calculation method was verified, which has important guiding significance for the further research of high speed curve face gear of composite transmission.

A modeling and tooth contact analysis method of parabolic modified face gear

“…As shown in Figure 12, to compare the effect of different modification coefficients on the actual tooth surface of the face gear, it is necessary to compare and analyze the corresponding tooth surface of the face gear. Moreover, the comparative analysis method is performed as follows: First, different modification parameters are substituted into equation ( 1) and the corresponding equations are derived in equation (14). Then, the discrete modeling method of tooth surface proposed in this study is used to obtain different point cloud data of the face gear surface.…”

“…Yu Y et al propounded a tooth bending stress analysis method to promote high-speed curve face gear. 14 In addition, Mo S et al [15][16][17] constructed the dynamic model of the multipower face gear transmission system and analyzed its load-sharing characteristics.…”

Pattern Classification and Gear Design of Spatial Noncircular Gear Continuously Variable Transmission

“…Lin and Zeng et al [12] analyzed the design and tooth width characteristics of helical curve face gear pair. Lin and Yu et al [13,14] studied the composite motion characteristics and bending stress of high-speed curve face gear pair. Hu et al [15] studied the mathematical model of curve face gear and time-varying meshing characteristics of compound transmission, and found that this gear pair can be used for the focusing mechanism.…”