Gear Technology Magazine
www.geartechnology.com/articles/29250

Driving Down Gear Noise in E-Mobility

June 14, 2021
As the automotive industry moves toward E-mobility, transmission manufacturers are faced with new challenges. Larger gear ratios are necessary to reduce the high input speeds of electric motors to the required speed of the drive wheels. At the same time, gear noise that was concealed by the sound of a combustion engine is now evident, presenting completely new challenges for acceptable transmission noise levels.