Research Article
Load Sharing Multiobjective Optimization Design of a Split Torque Helicopter Transmission
Table 3
The values of design parameters and objective functions of solutions 1#~4#.
| Parameters | 1# | 2# | 3# | 4# |
| First stage | | | | | Tooth number | 28/119 | 26/91 | 26/105 | 26/105 | Module /mm | 1.538 | 1.861 | 1.683 | 1.694 | Gear ratio | 4.25 | 3.5 | 4.038 | 4.038 | Helix angle /(°) | 18.900 | 14.296 | 18.196 | 17.402 |
| Second stage | | | | | Tooth number | 22/131 | 22/159 | 22/138 | 22/138 | Module /mm | 3.270 | 2.981 | 3.095 | 3.119 | Gear ratio | 5.955 | 7.227 | 6.273 | 6.273 |
| Shaft angle (°) | 114.741/47.439 | 133.641/45.018 | 111.615/45.617 | 113.589/45.899 | Phase difference | 16.558/8.411 | 19.295/9.145 | 16.698/7.559 | 16.839/7.709 |
| L-S-C RMS | 1.287 | 1.381 | 1.317 | 1.318 | Total mass /kg | 39.066 | 40.516 | 36.338 | 37.088 | Total safety factor | 9.279 | 10.582 | 9.253 | 9.367 |
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