Dynamic Analysis Of Spur Gears With Crack Propagation: Influence Of Contact Location And Load Direction On Pinion Rotation Behavior

This research examines the impact of different contact locations (CL) and load orientations on the dynamic behavior of cracked spur gears. The pinion rotation angle was examined using vibration analysis methodologies for three clearance levels (1.5 mm, 2.5 mm, and 3 mm) at various load angles (15°, 30°, and 45°) directed towards the rim and the tooth. Results demonstrate that with reduced CLs, significant fluctuations in pinion rotation angle occur, exhibiting increased sensitivity to load directions. As the CL grows, these fluctuations decrease, resulting in more stable behavior. The results provide understanding of fracture propagation behavior, allowing superior gear condition monitoring and fault diagnosis for increased durability and performance.