Research Article

Experimental Analysis of Residual Stress and Bending Strength of Gear Tooth Surface after Shot Peening Treatment

Table 9

Bending fatigue test load of the gear.

Stress levelIIIIIIIV

Load value (kN)74727068
Calculated tooth root stress (MPa)549.45534.60519.75504.90
Pulsating tooth root stress (MPa)531.52516.90502.30487.70
Mean test load (kN)38.8537.8036.7535.70
Test dynamic load (kN)35.1534.2033.2532.30
Fmin (kN)3.73.63.53.4
Fmax (kN)74727068