Finite element analysis and verification of hypoid gear

The transmission error curves obtained by finite element method and classical TCA method are compared to verify the correctness of the model and calculation. The classical TCA method calculates the transmission error of hypoid gear under no-load state. In order to ensure the numerical stability of finite element contact calculation, a small torque is applied to the central reference point of the large wheel to obtain the transmission error curve, as shown in Figure 1, which is consistent with the transmission error curve obtained by the classical TCA method. The finite element model and calculation are correct.

Comparing the results of load finite element contact calculation and load meshing test, the applied load torque of large axle is 3000 n · m。 The comparison between finite element calculation and test is shown in Figure 2, and the results are consistent, which further verifies the correctness of finite element modeling and loaded tooth contact analysis (LTCA).

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