Open Access
Table 3
Parameters of the two-stage spur gear transmission.
| Parameters | Value | |||
|---|---|---|---|---|
| Pinion 1 | Wheel 1 | Pinion 2 | Wheel 2 | |
| Teeth number | Z1 = 30 | Z2 = 45 | Z3 = 30 | Z4 = 45 |
| Mass (kg) | m1 = 0.8889 | m2 = 2.0001 | m3 = 0.8889 | m4 = 2.0001 |
| Mass moment of inertia (kg m2) | I1 = 0.0016 | I2 = 0.0081 | I3 = 0.0016 | I4 = 0.0081 |
| Rotation speed (rpm) | ω1 = 3000 | ω2 = 2000 | ω3 = 2000 | ω4 = 1000 |
| Motor torque (N m) | Cm = 10 | |||
| Receiving torque (N m) | CL = 0 | |||
| Bearings stiffnesses (N/m) |  |
|||
| Torsional shaft flexibilities (N m/rad) |  |
|||
| Pressure angle | α1 = α2 = 20° | |||
| Damping coefficients (1/s), (s) | c1 = 10−2, c2 = 10−6 | |||
| Mesh frequencies (Hz) |  ,  |
|||
| Modulus (m) | M1 = M2 = 4 × 10−3 | |||
| Mean gear mesh stiffness (N/m) |  |
|||
| Contact ratio |  |
|||
| Teeth width (m) | W1 = W2 = 30 × 10−3 | |||
| Backlash (m) | b = 2 × 10−4 | |||
| Material | 42CrMo4 | |||
| Density (kg/m3) | ρ = 7860 | |||
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