Simulation of Heat treated rotor shaft used for Electric Vehicle Truck

Wednesday, October 22, 2025: 2:20 PM
140G (Huntington Place Convention Center)
Naresh Oza , Rivian Automotive INC, Plymouth, MI
Analysis of heat treated motor shaft for an Electrical drive unit:

Electrical motor is an integral part of the electrical drive unit which is used as a powertrain of any electrical vehicle.The input shaft is heat treated to meet high durability and fatigue life requirements.It was required that the design meets all stress and fatigue requirements.The input shaft was analyzed under different heat treated material properties to validate for the requirements.FE analysis of the shaft was performed followed by fatigue analysis,once the design met all requirements in the CAE analysis it was tested in the lab.

The design met durability and fatigue life requirements and it was released for production.

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