Table 1 Parameters of the gear pair for simulation.

From: Fatigue crack propagation analysis considering the dynamic crack-load coupling effect

 

Driving gear

Driven gear

Teeth number n

46

23

Module m (mm)

3

3

Teeth width W (mm)

45

45

Pressure angle \(\:{\alpha\:}_{0}\)

20°

20°

Rotational speed (rpm)

900

1800

Moment of inertia (kg·m2)

2 × 10−3

0.96 × 10−3

Mass (kg)

0.4439

0.3083

Mesh damping (N·s/m)

0.3 × 10−3×km34

0.3 × 10−3×km34

Fracture threshold ΔKth (MPa√mm)44

1.8

Fracture toughness KC (MPa√mm)44

2620