Solution no 3 (pressure angle α = 16˚) Lower bound Lb = [as same as above] Upper bound Ub = [as same as above] Initial condition X0 = [as same as above] | ||||||
| 1st pinion | 2nd pinion | 3rd pinion | 4th pinion | Constant pinion | Rear pinion |
Module m | 3.4442 | 3.3707 | 3.2281 | 2.8278 | 3.6178 | 2.7138 |
Number of teeth z | 14.000 | 19.000 | 19.000 | 19.000 | 19.000 | 19.000 |
Helix angle β | 32.000 | 30.7541 | 30.7453 | 30.7209 | 307695 | 31.7026 |
Face width b | 34.000 | 33.000 | 32.000 | 32.000 | 32.000 | 44.000 |
Pressure angle αt | 18.6816 | 18.4523 | 18.4507 | 18.4463 | 18.4550 | 18.6256 |
Centre distance a | 80.000 | 80.000 | 80.000 | 80.000 | 80.000 | 80.000 |
Transverse contact ratio εα | 1.5855 | 1.6184 | 1.6296 | 1.6603 | 1.5986 | 1.6589 |
Overlap ratio εβ | 1.6651 |
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Bending stress σF | 894.2161 | 738.8489 | 754.3754 | 610.8693 | 341.5908 | 928.0272 |
Safety factor for bending stress SF | 1.1183 | 1.3535 | 1.3256 | 1.6370 | 2.9275 | 1.0776 |
Contact stress σH | 977.500 | 828.500 | 772.000 | 743.700 | 582.200 | 1218.400 |
Safety factor for contact stress σH | 1.4323 | 1.6897 | 1.8134 | 1.8824 | 2.4046 | 1.1491 |