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This one is the oldest gear box
now not in use
but its really interesting to understand this
In which gear box gears on main shaft are free to slide?
dog clutch
The gears on the main shaft which is splined are free. The dog clutch are provided which are free to slide on the main shaft. The gears on the lay shaft are, however, fixed
What is sliding gearbox?
An obsolete type of transmission or gearbox in which the gears on the layshaft are fixed to the shaft rigidly, whereas the gears on the main shaft can slide on it by means of splines but are otherwise in permanent rotational mesh with the shaft
How does a sliding gearbox work?
Working of Sliding Mesh Gearbox:
It carries the engine output and rotates in the same direction as that of engine. The gear connected to the clutch shaft also rotates. As gear of clutch shaft rotates, the lay shaft gear which is connected to the clutch shaft gear also rotates but in opposite direction
What is the difference between constant mesh and synchromesh gear box?
Synchromesh gearbox is refined version of constant mesh gearbox only. The only difference between these two is that in the constant mesh gearbox the gears are locked with the shaft with the help of dog clutch but in synchromesh gearbox they are connected by a device called synchronizer.
How many types of shafts are sliding mesh gearbox used?
three types
The shaft is generally used to transmit the power from one end to another end. There are three types of shafts in the case of Sliding Mesh Gearbox.
A transmission is a machine in a power transmission system, which provides controlled application of power. Often the term 5-speed transmission refers simply to the gearbox, that uses gears and gear trains to provide speed and torque conversions from a rotating power source to another device.[1][2]
The term transmission properly refers to the whole drivetrain, including clutch, gearbox, prop shaft (for rear-wheel drive vehicles), differential, and final drive shafts. In America the term is sometimes used in casual speech to refer more specifically to the gearbox alone, and detailed usage differs.
A gear is a rotating circular machine part having cut teeth or, in the case of a cogwheel or gearwheel, inserted teeth (called cogs), which mesh with another toothed part to transmit torque. A gear may also be known informally as a cog. Geared devices can change the speed, torque, and direction of a power source. Gears of different sizes produce a change in torque, creating a mechanical advantage, through their gear ratio, and thus may be considered a simple machine. The rotational speeds, and the torques, of two meshing gears differ in proportion to their diameters. The teeth on the two meshing gears all have the same shape.[1]
gearbox
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transmission system
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