Taking an aviation spiral bevel gear pair as the research object, the working speed is 20900 r/min, the power is 1900 kW, the tooth number ratio is 27/74, and the modulus is 3 85, tooth width is 38 5 mm, the pinion rotates left and the big gear rotates right. Complete 3D modeling and assembly in UG, and the assembly model is as shown in the figure.
