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List of the catalog of this article:

• 1,Hearthstone Arena win rate Why does the crankshaft of the car engine use tiles instead of bearings?
• 2, What is the impact of oil leakage of oil leakage in front of engine crankshaft on engine performance
• 3, What are the common faults of car engine crankshafts?
• 4,What is the function of the car crankshaft

Why does the crankshaft of the car engine use tiles instead of bearings?

1. Shaft tile is also a kind of bearing, called sliding bearing. As for the reason for using sliding bearings instead of rolling bearings, it is mainly because the main bearing of the crankshaft needs to withstand high pressure. The rolling bearing is theoretically linear contact, and the contact surface is too small to meet such a high pressure. And the sliding bearing is surface contact.

2. The reasons are as follows: the main reason is that the sliding bearing sleeve is two pieces, which can only be mounted on the crankshaft, and the rolling bearing cannot be installed on the crankshaft.Simple structure, low cost, easy lubrication, convenient installation, easy sealing, low noise and high precision. As long as the material passes the test, it will not wear out much.

3. The crankshaft connecting rod of the motorcycle is connected by the bearing, because the resistance of rolling friction is smaller than that of sliding friction, so it does less useless work and improves work efficiency. Moreover, the force of the connecting rod bearing of the motorcycle is far less than that of a car, and the bearing can meet the requirements of the motorcycle.

4. Different shapes. Shaft tiles are also called sliding bearings. Its shape is tile-shaped, semi-cylindrical, and the inner and outer surfaces are smooth. Generally, a layer of composite materials such as bronze, aluminum, tin and lead is sintered with steel back, and then sliced and pressed. It has the characteristics of wear resistance, high temperature resistance, corrosion resistance and high speed resistance. Shaft tiles are generally used in the engine.

5. Sliding bearings can withstand greater pressure, operate smoothly and are convenient to maintain. When using ball bearings, there is only point contact between the ball and the inner and outer rings, which wears out quickly.

What is the impact of oil leakage in front oil seal of engine crankshaft on engine performance

2. The oil leakage of the crankshaft oil seal has a great impact on the vehicle. It needs to be repaired as soon as possible, otherwise it will cause damage to the engine and affect the service life of the engine. The oil leakage of the crankshaft oil seal will cause engine oil loss and oil loss, and the decrease in the amount of oil will cause the wear of the engine. If the crankshaft oil seal leaks, it should be handled and repaired as soon as possible.

3. The engine leaks oil outward. The common ones are the oil seal in front of the crankshaft and the oil seal in the rear. The oil seal in front of the crankshaft will cause the generator belt to be soaked in oil, which will seriously corrode the generator belt, resulting in the aging and breakage of the belt. The oil seal behind the crankshaft leaks oil, which will cause the clutch to be soaked in oil, slipping, losing the speed, until the clutch disc is burned.

4. The oil leakage of the car oil seal has an impact on the engine, which will seriously cause internal damage to the engine. If you find that the oil seal leakage after the crankshaft of the car is very serious while driving, you should immediately inject some car oil into the crankcase, and then quickly drive the car to the nearest repair station for repair.

What are the common faults of car engine crankshafts?

1. The reasons for the failure are: tire dynamic balance misalim; front and rear suspension. Turn. The transmission and other mechanisms are loose; the front wheel is positioned. The wheelbase is out of line; the semi-axle gap is too large. Solution: Troubleshoot the above faults in time to avoid vicious circles and cause other faults.

2. Fracture, deformation, abnormal sound, excessive wear, can be disassembled and detected by single-cylinder or multi-cylinder fire breaking method.

3. Crankshaft wear and damage failure. For crankshaft, it is an important component in the car engine itself. The effective application of the crankshaft can drive the piston for four-stroke use, which is the function of the car and promotes the normal and safe driving of the car.

4. Breakage, deformation, abnormal sound, can be disassembled and detected by single-cylinder or multi-cylinder fire breakage method.

5. Magnetoelectric induction: The failure of the magnetoelectric induction crankshaft position sensor is that the engine cannot be started. When checking the engine condition, it is found that the engine cannot be started too late. Reconnect the line, readjust the distributor, and check the ignition time.

6. The common fault of the photoelectric crankshaft sensor is the poor acceleration of the generator. Sometimes it automatically turns off when starting, and high-voltage electric sparks occur.

What is the function of the car crankshaft

The function of the crankshaft is the most important part of the engine. It bears the force from the connecting rod and converts it into torque, thus driving other accessories on the engine to work. The curved bearing is subjected to the centrifugal force, gas inertial force and reciprocating inertial force of the rotation mass, which cause the crankshaft to be subjected to bending and torsion loads.

The following is the function of the crankshaft of the automobile engine: the function of the crankshaft balance weight (also known as the counterweight) is to balance the rotational centrifugal force and its moment, and sometimes it can also balance the reciprocating inertial force and its moment; when these forces and moments themselves reach balance, the balance weight can also be used to reduce the load of the main bearing.

The crankshaft is subjected to the centrifugal force of the rotating mass,The combined action of the periodically changing gas inertial force and the reciprocating inertial force makes the curved bearing affected by the bending torsion reprint load. Therefore, the crankshaft is required to have sufficient strength and rigidity, and the surface of the shaft neck should be wear-resistant, uniform and balanced.

Hello, the crankshaft is a key component of the internal combustion engine. Its function is to convert the piston from reciprocating motion to rotational motion, transmit power to the output shaft through the connecting rod, and finally drive the vehicle forward.

The function of the crankshaft is to convert the thrust from the piston connecting rod into a rotating torque, change the reciprocating linear motion of the piston into a crankshaft compass rotation, and then transmit the power generated by the engine to the transmission system through the flywheel, so as to drive the whole car.