Lightweight design of electric vehicle drive axle housing
In order to reduce the mass of the drive axle housing of a certain type of electric vehicle,the 3D modeling of it was established and the finite element model analysis was conducted.For the drive axle housing of electric vehicle,four typical working conditions of simulation analysis were carried out,including maximum vertical force condition,maximum traction condition,maximum braking force condition and maximum lateral force condition.The results showed that in these four conditions,the strength and stiffness met the requirements,and there was a certain margin.Mode analysis of the bridge shell was conducted to obtain the natural frequency of seven to twelfth orders and the corresponding mode patterns.Finally,the response surface method was used to lightweight design in the drive axle housing.The optimized total mass of the drive axle housing was reduced by 14.86%.Compared with the results of static and mode analysis before optimization,the strength,stiffness and vibration characteristics met the requirements,proving the effectiveness of the optimization method.
drive axle housinglightweightfinite element analysis
NETL
NSTL
万方数据
维普
