And in the case of stress analysis, the bevel gears show the maximum formation of stress near teeth 2.2088*e9 Pa which is nearly the same as in spur gears. From the results, the minimum deformation is experienced by the helical gears of value 0.000030062 m and maximum in case of bevel gears that is of 0.0013472 m. Under the torque of 1715 Nm, the three gears are analyzed. The selected gears have a 6 m module, 30 teeth in gear, and 15 teeth in pinion. Gears fail due to many reasons, some are friction, crack generation, or some defect during manufacturing, all these ultimately lead to fatigue of gear. In this paper, the equivalent stress and total deformation are analyzed in three different gears, namely spur gears, bevel gears, and helical gears which are of structural steel. A comparative study has been done between these gears considering the same parameters. The total deformation and stress generation are taken into consideration because the more the stress is developed high chance of fatigue failure of gears while designing the gears.
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