As a power transmission components, the gear and gear box play an indispens-able role in large rotating machinery and the damage caused by their fault would be very serious.
At present, the gear failure research at home and abroad mainly focus on the specific methods of failure analysis, and the failure mechanism is less researched. In this paper, the failure mechanism of tooth broken and unparallel gear shaft of the helical gear were studied. For the limitation of traditional signal analysis ...