What is the working principle of a transfer case?

[Tammy]

Working principle of a transfer case: Each shaft of the transfer case is supported by two tapered roller bearings, and the bearing tightness is adjusted with corresponding shims. Below is a related introduction to the transfer case: 1. The function of the transfer case is to distribute the power output from the transfer case to the drive axles and increase torque. The transfer case is also a gear transmission system, which is independently fixed to the vehicle frame. Its input shaft is connected to the output shaft of the transfer case, and the transfer case has multiple output shafts, each connected to the drive axles via universal drive shafts. 2. The operating mechanism of the transfer case has the following requirements: The front axle cannot be engaged without first engaging the low-speed gear, and the front axle cannot be disengaged without first disengaging the low-speed gear. When an off-road vehicle is driving on good roads, the power to the front axle is generally cut off to reduce power consumption and wear on the drivetrain components and tires. During off-road driving, if low-speed gear power is needed, to prevent overloading of the rear and middle axles, the low-speed gear power should be shared by all drive axles.