VW3.0 V6 3.0L Crankshaft for Audi A3 A4

The crankshaft of the engine is hidden inside the engine of the car, the most central position, and the main function is to convert the heat energy of gasoline combustion in the car into rotational mechanical kinetic energy through the connecting rod and crank mechanism, and output it to the gearbox. Energy is transferred to the wheels, which propel the car.

1. Conveyor oil lubricates and cools connecting rods and piston pins.

The oil pump inside the engine pumps out the oil in the oil pan, and sends it to the friction parts of the connecting rod and piston pin through the pre-processed oil hole inside the crankshaft to lubricate and cool them, and carry the debris generated during the movement Walk.

2. Balance the vibration of the engine

The more high-end the car, the smaller the vibration of the engine running, and the smoother the running. In addition to the design of the balance weight structure of the crankshaft itself, a pair of balance crankshafts are directly driven under the crankshaft. They are connected to the crankshaft through gears, and have a strict phase relationship. The rotation direction of the crankshaft is opposite, and the speed is twice that of the crankshaft.

3. To transmit the rotational speed and angle information of the crankshaft, that is, to reflect the angle information of each cylinder.

The ECU (Electronic Central Control Unit) of the engine can control the timing difference of the camshaft and adjust the opening time of the intake and exhaust valves through this angle information; calculate the opening time of the fuel injection nozzle in each cylinder to achieve the goal of increasing torque and reducing emissions Effect.

4. Drive other parts of the engine to rotate.

For example, the camshaft is driven to rotate by the timing sprocket or the timing pulley; the generator is driven to run, the water pump is driven to run; the water tank fan is driven to run, and the vehicle air conditioner is driven to run, etc., which are the source of power for other moving parts.

5.6 The cylinder crankshaft is still stirring the oil in the oil pan while it is running, cooling and flushing the crank chamber. In addition to lubricating the inner wall of the cylinder, it can also take away the internal heat of the engine through the splashed oil, through the oil pan and the engine cylinder body exudes.

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