Scientific

The meshing stiffness of hypoid gears can be obtained by substituting the data of gear force, static transmission error and

Virtual assembly is to determine the relative position between models and complete model assembly through the reference and link relationship

Conduct contact analysis (LTCA) on the hypoid gear under load. The resistance torque applied at the output end of the

ZHY gear provided the part drawing and assembly drawing of the hypoid gear of the main reducer of a certain

The hypoid gear of the micro car main reducer is processed on the hypoid gear milling machine. The processing principle

According to the meshing stiffness calculation model of hypoid gears, it is necessary to calculate the transmission error of hypoid

Fig. 1 shows the meshing coupling model of hypoid gear based on the finite element model. From the meshing diagram,

From the comparison of the dynamic and static transmission errors of hypoid gears, it can be seen that when the

The following is a comparison of the change law of gear mesh stiffness when the gear load is different. Here,

In the dynamic analysis of the hypoid gear, the difference from the static analysis is that the input end of

1.Analysis type First, the static nonlinear meshing analysis is carried out. In the analysis step, the class’ static stress /

The installation deviation of hypoid gears is mainly divided into four categories. The definition of installation deviation direction is shown

Different angular velocities are applied to the meshing model of hypoid gears, and there is no concept of velocity in

Load different resistance moments on the output end of the large gear, and the corresponding transmission error is shown in

Gear mesh generation strategy is directly related to the calculation speed and accuracy. In order to determine the finite element

The effect of the installation deviation Gama of the cross angle of the hypoid gear on the fatigue stress of

The influence range of each installation deviation on fatigue parameters is shown in the figure. According to the order of

As shown in Fig. 1, the influence of the installation deviation V of the offset distance of the hypoid gear

According to the requirements of the national driving axle fatigue test standard qc/t 533-1999, the test bench as shown in

The variation of the maximum stress of the pinion root with the installation deviation is shown in Figure 1 and

An important goal of hypoid gear design is to optimize the performance of gear pair installation deviation. By measuring the

As shown in Figure 1, when the axial installation position h of the hypoid gear pinion changes, the change trend

As shown in Figure 1, when the deviation g of the big axle of the hypoid gear changes towards the

In order to verify the accuracy of the established finite element model, the tooth root bending stress in the meshing

As shown in Figure 1, the change diagram of meshing footprint during the ideal meshing process of hypoid gear is

Submit the established model to abaqus/standard solver, and finally get the finite element analysis results, as shown in Figure 1

Through ABAQUS loading characteristic analysis, the contact spots on the convex surface of the big wheel are compared with the

Parameters Offset distance E/mm Axis intersection angle σ / (°) Number of headers Z0 Number of teeth Z Initial installation