The gear system used for large torque transmission consists of one wheel ring with diameter 1264 mm and three pinions with diameter 224 mm. This assembly can be used to 440 kNm and 20 Hz dynamical torque transmission. On the basis of FEM, 3-D gear model was established and modal analysis was constructed by using software ANSYS. Two modal analysis methods were used. One of which was equivalent contact stiffness by simplified into a spring model and the other method was considering the pre-stress in the strength analysis. The latter method is more reasonable than the first one because it contains the nonlinear contact factors. The results show that there is no vibration mode with the frequency below 100 Hz and no resonance will appear in the following dynamical torque loading tests.
Modal Analysis of Torque Transmission Gear System Based on FEM
2013
4 Seiten
Aufsatz (Konferenz)
Englisch
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