Table 1 Structure parameters
Planetary gear stage | Ring | Sun | Planet | Carrier |
|---|---|---|---|---|
Number of teeth | 96 | 21 | 37 | ‒ |
Modulus (mm) | 15 | ‒ | ||
Pressure angle (°) | 25 | ‒ | ||
Helical angle (°) | 8 | – | ||
Mesh stiffness (N/m) | \(\bar{k}_{spi}\) = 6.7 × 109 | \(\bar{k}_{rpi}\) = 8.4 × 109 | ||
Parallel gear stage | Gear 1 | Gear 2 | Gear 3 | Gear 4 |
Number of teeth | 97 | 23 | 103 | 21 |
Modulus (mm) | 11 | 8 | ||
Pressure angle (°) | 20 | |||
Helical angle (°) | 20 | |||
Mesh stiffness (N/m) | \(\bar{k}_{{{\text{G}}1{\text{G}}2}}\) = 6.0×109 | \(\bar{k}_{{{\text{G}}3{\text{G}}4}}\) = 3.1×109 | ||
Main shaft length (m) | 2.07 | |||
Main shaft diameter (m) | 0.7 | |||