According to the machining principle, meshing theory and virtual machining technology of spiral bevel gear, the process of spiral bevel gear machining by generating method is simulated in three-dimensional modeling software, and the tooth blank cutting model of spiral bevel gear is obtained. Through the tooth surface reconstruction technology, the smooth tooth surface of spiral bevel gear is obtained, and the three-dimensional geometric model of spiral bevel gear for finite element analysis is created.
The widely used Gleason spiral bevel gear machine tool and its working principle are analyzed in detail; According to the working principle and virtual machining technology of spiral bevel gear machining machine tool, according to the virtual machining process, according to the basic parameters of spiral bevel gear and the adjustment parameters of cutting tool and machine tool in the computer modeling software, the cutting trace of gear blank is obtained after simulating the process of spiral bevel gear machining by generating method; Through the tooth surface reconstruction technology, the smooth tooth groove surface of spiral bevel gear can be obtained, and then the three-dimensional geometric model of spiral bevel gear can be obtained. The geometric model of spiral bevel gear created provides conditions for subsequent finite element contact analysis.