Abstract
The gear system of a certain type of space drive mechanism generates vibration during the actual operation, which leads to a decrease in transmission accuracy and seriously affects the normal operation of the system. A nonlinear dynamic model was established for this problem, and the tooth profile error and tooth profile modification were considered in the model. The dynamic characteristics of the space drive mechanism gear system were analyzed by the dynamic model. The influence of the profile modification parameters on the dynamic load coefficient and load transmission error was analyzed. The purpose is to reduce the vibration amplitude, reduce the transmission error and improve the transmission accuracy during gear transmission through the profile modification. The analysis results in this paper enrich the research on tooth profile modification of gear system, and provide a theoretical basis for the subsequent design of gear system and the improvement of vibration and noise during operation.
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