What is the function of a synchronizer?

1 Answers
Dustin
07/29/25 7:12pm
The main function of a car synchronizer is to ensure smoother driving. Here are the relevant details: 1. Simply put, a synchronizer is a friction plate arranged on the engaging sleeve and gear set, but unlike ordinary friction plates, the friction surface of this plate is conical. 2. Its direct role is to initiate friction before the straight teeth and the vertical teeth of the disc come into contact, thereby transferring energy from the side with higher rotational speed to the side with lower rotational speed. This ensures that the side with lower rotational speed increases its speed to synchronize with the side with higher rotational speed. 3. Inside the structure of a manual transmission, there is a very important component called the "synchronizer." The function of the synchronizer is quite obvious—it addresses the issue during gear shifting where the gear on the power output side rotates faster than the gear about to be engaged. It is a mechanical device that resolves the inconsistency between the engine speed and the transmission speed during gear shifting. It effectively prevents gear engagement failure and eliminates gear noise during shifting. Without a synchronizer, forcing a slowly rotating gear into a rapidly rotating gear would inevitably cause gear grinding.
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