Research Article
Experimental Analysis of Residual Stress and Bending Strength of Gear Tooth Surface after Shot Peening Treatment
Table 5
Bending fatigue test load of the gear.
| Stress level | I | II | III | IV |
| Load value (kN) | 78 | 75 | 73 | 72 | Calculated tooth root stress (MPa) | 579.15 | 556.88 | 542.03 | 534.60 | Pulsating tooth root stress (MPa) | 560.80 | 538.84 | 524.21 | 516.90 | Mean test load (kN) | 40.950 | 39.375 | 38.325 | 37.800 | Test dynamic load (kN) | 37.050 | 35.625 | 34.625 | 34.200 | Fmin (kN) | 3.90 | 3.75 | 3.65 | 3.60 | Fmax (kN) | 78 | 75 | 73 | 72 |
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