| 摘要(英) |
The purpose of this study is to analyze the transmission error and meshing frequency energy of spur gear with different linear tip reliefs. Experiments and simulation of spur gear pairs with different linear tip reliefs are carried out in this thesis.
Three pairs of spur gear with different linear tip reliefs are used in the transmission error experiments. The torque applied were 0 N, 2 N, 4 N, 6 N, 8 N, and 10 N, and the speed was fixed at 10 RPM on the single-flank test. Empirical mode decomposition method and Fourier Transform were applied to analyze the transmission error signal. Finally, the corresponding IMF signals were used to calculate the tooth profile error, runout error, and pitch error.
For the energy of meshing frequency experiments, the torque was fixed at 10 N and the rotation speed were 500 RPM, 600 RPM, 700 RPM and 800 RPM. Fast ensemble empirical mode decomposition method and the Fourier Transform were used to find the IMF of the meshing frequency, and the energy value of meshing frequency was calculated.
In this study, it was found that tip relief may avoid the abnormal vibration caused by tip interference, but improper modification will lead to an increase of the transmission error. In addition, the design of linear tip-relief should also consider the load conditions to achieve on optimal tip relief. |
| 參考文獻 |
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