28 August 2020

Difference between synchromesh gearbox and constant mesh gearbox

The synchromesh gearbox is used to engage also to disengage gear but in constant mesh, gearbox used to engage and disengage gears. So here this article gives information about the main key difference between the synchromesh gearbox and constant mesh gearbox to better understand this topic.

What is the synchromesh gearbox?

In this type of gearbox is similar to the constant mesh type gearbox. Instead of using dog clutches here and also synchronizers are used. The modem car uses helical gears ad synchromesh device is gearboxes, that synchronize the rotation of gears that are about to the meshed. Its working is similar to the constant mesh type, but in the former, there is a definite improvement.

What is constant mesh gearbox?

The constant-mesh gearbox is a type of transmission in which all or most of the gears are always in mesh types with one to another, as opposed to a sliding gear transmission, in which engagement is obtained by some sliding of the gears along a shaft into the mesh. In this gearbox gear ratios are selected by small clutches that is connect the various gear sets to their shafts so that power is transmitted through them.

Difference between the synchromesh gearbox and constant mesh gearbox:

  • Synchronizers are used to engage and disengage gears in synchromesh gearbox. Whereas dog clutches are used to engage and disengage gears. 
  • Synchronizer gearbox will be no slip in the case of the synchromesh gearbox. While in slip takes place in the constant mesh gearbox.
  • The locking action was fully satisfied by the synchromesh gearbox. The locking action was partially satisfied by constant mesh gearbox.