Research Article
Dynamic Analysis of High-Speed Helical Gear Transmission in Pure Electric Vehicle Gearbox
Table 1
Basic parameters of the gear transmission.
| | Parameters | Input pair | Output pair |
| | Number of teeth | 22/59 | 23/71 | | Hand of spiral | LH/RH | LH/RH | | Normal modulus | 2 | 2.4 | | Normal pressure angle | 18.5 | | Helix angle | 32 | 25 | | Face width | 33/31.5 | 40/38 | | Elastic modulus | 210 | | Input torque | 50 | | Angle of axis plane γa/(°) | 37 | | Damping ratio ξ | 0.1 | | Gear mass | 5.3 × 10−2/2.5 × 10−1 | 6.5 × 10−2/3.8 × 10−1 | | Moment of inertia | 1.7 × 10−5/3.9 × 10−4 | 3.2 × 10−5/1.1 × 10−3 |
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