The maximum values of tooth root bending stress and tooth surface contact stress under different axial installation errors of spiral bevel gear small wheel, spiral bevel gear big wheel and shaft intersection angle are shown in the figure. It can be seen from the figure that negative axial installation...
In order to study the impact of different center distance deviations on the stiffness of a gear tooth during a meshing cycle, the meshing process of a single gear tooth including the center distance deviation is discretized into 20 meshing points, as shown in Figure 1. Taking 20 meshing...
The time-varying meshing stiffness of spur gears is one of the main factors that cause impact and noise in spur gear systems. As a natural characteristic of spur gear systems, natural frequency is closely related to the vibration of spur gear systems. Therefore, accurate calculation of meshing stiffness and...
The influence of the installation error of the shaft intersection angle on the engagement mark of the spiral bevel gear pair is shown in Figure 1. It can be seen from Figure 1 that as the installation error of the shaft intersection angle increases from − 0.2 ° to...
When the rated load of small module spiral bevel gear pair is 3 N · m, the instantaneous contact ellipse of large gear tooth surface without considering the installation error of gear pair is shown in Figure 1 (a). To facilitate comparison, all the instantaneous contact ellipses of the...
Table 1 shows the basic geometric parameters of the double double sided method small module spiral bevel gear pair. According to the double double sided method tooth cutting calculation table, the gear pair cutter parameters and machine tool processing parameters can be obtained as shown in Table 2. Gear...
The double faced normal spiral bevel gear pinion uses a double faced cutter head. The schematic diagram of the normal section of the double faced cutter is shown in Figure 1. In the figure, the coordinate system S0 (X0, Y0, Z0) is fixedly connected to the blade. The coordinate...
Measure the gear module. Take the effective meshing section of the gear and establish a section parallel to the end face. In order to avoid the influence of the chamfer of the gear tooth end face on the measurement, set the distance between the first section and the end...
Taking the worn double circular arc gear shaft of the pumping unit reducer as the object, the gear design is carried out according to the GB/T 12759-1991 standard. Clean the gear shaft parts and conduct 3D reverse measurement. The 3D laser scanner used is HandySCAN 300TM 3D, as shown...
In actual machining, the normal tooth profile of double circular arc gear is circular arc. Therefore, the end face profile of the double circular arc gear is established by using the tooth profile and helix to establish the model, and the end face equation is obtained through the tooth...