The Sun Gear is a key component of a planetary gear set used in drivetrain systems, including drive axles. The sun gear serves as the central gear in a planetary gear set. It transmits torque from the input to the output.Attributes: • Excellent mechanical properties to withstand torque and stresses.• Enabling smooth operation of the drive axle system.Applications:The Sun Gear is used to transmit power, control speed, and enable torque multiplication making it an essential element in systems.