Research Article
Dynamic Characteristics of Spur Gear Pair with Dynamic Center Distance and Backlash
Table 1
Parameters of the gear-bearing system.
| Parameter | Symbol | Numerical value |
| Pressure angle | | 20° | Moment of inertia | / | 0.041/0.079 kg·m2 | Mass | / | 1.53/3.01 kg | Stiffness of bearings | k1/k2 | 2/2×108 N·m−1 | Meshing stiffness | km | 7.74×108 N·m−1 | Teeth | z1/z2 | 55/75 | Modulus | m | 2 | Phase angle of meshing stiffness coefficient | | 0 | Phase angle of the transmission error | | 0 | Transmission error | | 1×10−5 m | Half-backlash value | | 2×10−5 m | Driving torque | | 22 N·m | Loading torque | | 30 N·m | Meshing damping ratio | | 0.07 | Contact damping ratio | | 0.07 |
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