? What is a gearbox 
The gearbox is responsible for adjusting the engine torque according to the needs of the wheels. The gearbox is divided into two categories, automatic and manual, each of which has its own advantages and disadvantages. Gearbox is one of the components of power transmission and allows drivers to drive at different speeds in different conditions. In this article, we have tried to explain about the gearbox of this beating heart of the engine, such as the role of the gearbox in the car, the types of gearboxes, how to maintain them and the signs of gearbox failure. Stay with us until the end.
The gearbox is one of the vital components of the car that adjusts the engine speed according to the wheels.
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Engine and gearbox are two vital components in the vehicle's power transmission system. They are inextricably linked.
: Engine Duties
Production of torque and engine speed
Conversion of fuel chemical energy into mechanical energy
: Functions of the gearbox
Changing the torque and engine speed to fit the needs of the wheels
Reverse motion
Power transmission to the wheels
: Connection between engine and gearbox
The engine is connected to the gearbox through the crankshaft.
The crankshaft transfers engine torque and speed to the gearbox.
The gearbox changes the torque and engine speed according to the needs of the wheels
The transmission transmits power to the wheels through shafts and gears.
In short, the engine and gearbox work together to transfer the necessary force to the wheels.
: Important points about the relationship between engine and gearbox
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Shell: The gearbox shell is usually made of aluminum or cast iron and must be strong enough to withstand the torque and speed of the engine.
Shafts: Shafts are metal rods that connect gears. Shafts must be of high-quality steel to withstand the torque and RPM of the engine without bending or breaking.
Gears: Gears are toothed parts that are responsible for changing the torque and speed of the engine. Gears should be made of steel or hard alloys to be resistant to wear and corrosion.
Bearings: Bearings must be made of low-friction material so that they can rotate easily. They are the parts that fit between shafts and gears and reduce friction.
Lubrication system: The lubrication system is responsible for lubricating the components of the gearbox and reducing friction
Clutch system: The clutch system is responsible for connecting and disconnecting the connection between the engine and the gearbox.
Gear shifting system: The gear shifting system is responsible for changing gears.
Torque converter: The torque converter in automatic transmissions is responsible for transferring the torque of the engine to the transmission
: Transmissions are produced in two general types, manual and automatic
Manual gearbox: In this type of transmission, the driver changes gears manually using the clutch and gear shift lever. Manual transmissions are more popular among professional drivers due to their high efficiency and lower depreciation.
Automatic gearbox: In this type of gearbox, the gear change is done automatically by the computer system of the car. Automatic transmissions make driving easier and are more suitable for driving in heavy traffic.
In addition to these two general types, there are other gearbox such as CVT gearbox and double clutch gearbox, each of which has its own advantages and disadvantages.
: Several factors can cause transmission failure, including
Improper driving: Driving at high speed, improper gear shifting and failure to change gearbox oil on time are among the causes of gearbox failure.
Depreciation: With the passage of time and the increase in the performance of the car, the parts of the gearbox wear out and may need to be replaced.
Technical defect: Technical defect in gearbox parts can also cause its failure.
If the car's gearbox has the following signs, it is broken and needs to be repaired.
Hearing unusual sounds from the gearbox: hearing the sounds of screaming, howling or rattling from the gearbox can indicate its failure.
Difficulty in gear shifting: Difficulty in gear shifting can indicate a gearbox failure.
Gearbox oil leak: Gearbox oil can cause the gearbox oil to decrease and cause its failure.
If you see any of the above symptoms, you should visit a professional repairman to check and fix the problem.
By following these tips, you can increase the lifespan of your car's gearbox and prevent it from breaking down.
ZF: This German company is one of the largest transmission manufacturers in the world, producing automatic and manual transmissions for a wide range of vehicles, including passenger cars, trucks and buses.
Bosch Rexroth: This German company is another major gearbox manufacturer in the world, producing industrial and hydraulic gearboxes for a wide range of industries, including agriculture, construction and mining.
Allison Transmission: This American company manufactures automatic transmissions for commercial vehicles, including buses, trucks and military equipment.
Eaton: This American company manufactures manual and automatic transmissions for a wide range of vehicles, including passenger cars, trucks and buses.
Dana: This American company manufactures manual and automatic transmissions for a wide range of vehicles, including passenger cars, trucks and buses.
?What is the cause of the unusual sound of the gearbox
The unusual sound of the gearbox can be caused by the failure of the bearings, gears or other components of the gearbox.
? What is the cause of the hard shift of the gear
Hard shifting of gear can be caused by lack of gearbox oil, failure of bushings or other gearbox components.
? What is the cause of gearbox oil leakage
Transmission oil leakage can be caused by the failure of gaskets, O-rings, or other transmission components.
? How much does it cost to repair the gearbox
The cost of repairing the gearbox depends on the type of gearbox, the type of damage and the repairman's salary
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