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 KⅠC (MPa√mm)44 | 2620 | |