(1) Equivalent stress nephogram of helical gear at 0.0025s

It can be seen from Fig. 1 that the contact stress of helical gear in meshing state is higher when the temperature factor is considered than when only the mechanical factor is considered. It can also be seen that the influence of temperature on the contact stress is limited, but temperature is also one of the factors that affect the contact stress of the helical gear meshing state, and the factor of temperature is common during the operation of the helical gear. In the stress analysis, temperature should be taken as one of the factors to be investigated.

(2) Deformation nephogram of helical gear at 0.0275s

It can be seen from Figure 2 that when the temperature factor is taken into account, the helical gear deformation ratio in the helical gear meshing state increases and the stiffness decreases to a certain extent when only the mechanical factor is taken into account. Therefore, temperature not only affects the maximum stress, but also reduces the stiffness of the helical gear, that is, the ability of the helical gear to bear elastic deformation is reduced, which directly affects the transmission performance of the helical gear. To sum up, temperature has a certain impact on the service life of the helical gear. In actual production, attention must be paid to the problem of heat dissipation and lubrication during the operation of the helical gear, To reduce the influence of temperature on the performance of helical gears.