What is the principle of a car's transmission?

1 Answers
AmaraRose
07/30/25 1:24am
The principle of a vehicle's transmission is to use gear combinations with different numbers of teeth to achieve changes in speed and torque. It adjusts the transmission ratio and traction requirements under various driving conditions, allowing the engine to operate under favorable conditions; it facilitates vehicle development and driving; enables quick engine start-up and operation, vehicle gear shifting or parking, and transmits power to the drive wheels; when the clutch is engaged after shifting to neutral, the transmission stops power input. Functions of a manual transmission: 1. Change the transmission ratio to expand the range of torque and speed variations of the drive wheels; 2. Under the premise of maintaining the same rotation direction when starting the car, use the reverse gear to complete vehicle development and driving. The transmission is a very important component in a vehicle. It can change the transmission ratio and expand the torque and speed effects of the drive wheels. With the development of modern technology, transmissions have been upgraded from the original manual transmissions to continuously variable transmissions, and from non-synchronized to synchronized, making operation increasingly convenient. Currently, diesel engines are widely used in construction machinery, but their torque and speed variation ranges are small and cannot meet the requirements for traction and driving speed under various working conditions. Therefore, transmissions are used to resolve this contradiction. The quality of transmission performance is a key factor in measuring the power, economy, and drivability of construction machinery.
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