manual transmission, also known as manual transmission, referred to as MT. Hand toggle lever to change the gear engaged in the transmission, change the transmission ratio to achieve the purpose of the transmission. When depresses the clutch, just have to move aside lever.
1. The manual transmission principle
To better understand the working principle of transmission, let’s first look at a simple model of a 2-speed transmission, is to see how the various parts fit between of: an input shaft (green) and connected to the engine via the clutch, the gear shaft and is a member of the above.
axis and the gear (red), called intermediate shaft, which are rotating together.
axis (green) rotating shaft rotated by the intermediate gear, then, the intermediate power transmission shaft can be the engine.
axis (yellow) is a splined shaft, and the drive shaft is directly connected, through the differential to drive the car.
rotation of the wheel will be rotated together with the spline shaft.
gear (blue) freely rotatable on the spline shaft.
In the engine is stopped, but the vehicle is still in motion, the gear (blue) and the intermediate shaft in a stationary state, while the spline shaft rotating with the wheels still.
gear (blue) and the spline shaft are connected by a sleeve, the sleeve can be rotated with the spline shaft, but also can be slidably engaged with a gear (blue) around the spline shaft.
2. Advantages and disadvantages of the manual transmission
apparent advantages of simple structure, reliable, and low manufacturing and maintenance costs, and high transmission efficiency (in theory, would be more fuel-efficient), Further, since the purely mechanical control, quick shift reaction, and can be more direct expression of the will of the driver, and therefore richer driving pleasure, these are the advantages of a manual gearbox.
However, compared to the automatic transmission, it is tedious operation, and frustrated distinct disadvantage when the switching gear is irreparable.