Test item | Performance parameter index | Drawing technical requirement | Performance of this product | Performance of internationally advanced products |
---|---|---|---|---|
Static torque characteristics | Pre-damping torsional Angle (°) | 5–22 | 21.82 | 16.72 |
Main damping Torsional angle (°) | 7–21 | 20.21 | 15.76 | |
Main damping Hysteresis (N ∙ m) | 7–35 | 32.37 | 25.63 | |
Forward torque (N ∙ m) | 190 ± 20% | 198.72 | 189.78 | |
Reliability test | Torque fatigue test | No rupture or deformation of components after 1 million torsion tests at a maximum engine torque under 1.3 times loading | No rupture or deformation of components after 3.5 million torsion tests | No rupture or deformation of components after 1 million torsion tests |