202006-01

Automobile engine structure: tensioner

The tensioner is a commonly used holding device on the belt and chain transmission systems.

202005-27

What is the difference between supercharging and turbocharging Part2

Turbocharged engines and supercharged engines are currently the two most used supercharging structures for engines.

202005-25

What is the difference between supercharging and turbocharging Part1

Turbocharged engines and supercharged engines are currently the two most used supercharging structures for engines. The main functions of these two superchargers are to inject more air into the engine cylinder and increase the air density in the engine cylinder.

202005-21

The main reason for piston ring fracture

1.The reason for the piston ring 2.Piston reasons...

202005-18

BMW CEO: Market recovery in the US and other markets will be "slow"

Earlier this month, BMW lowered its profit forecast for its auto and motorcycle business because market demand was lower than previously expected, and market demand in the second quarter will deteriorate further.

202005-13

Crank connecting rod mechanism group

The crank connecting rod mechanism is composed of three parts: a body group, a piston connecting rod group and a crankshaft flywheel group.

202005-11

Main reasons for early wear of piston rings

The structure of the piston ring material does not meet the technical requirements, and the organization is loose.

202005-08

Three types of turbocharging systems

The turbocharger is mainly composed of a volute, turbine, compressor blades, and boost pressure regulator.

202005-06

Common problems in cylinder head processing

Due to the large amount of gas generated in the casting cavity during casting of the casting blank, casting defects caused by poor exhaust of the casting casting system.

202004-28

Installation of piston ring and piston connecting rod assembly

The qualified piston ring can be installed on the piston after inspection.

202004-26

Finishing of crankshaft hole

The traditional method of machining crankshaft holes is to use a combined boring tool on a special processing machine.

202004-22

Engine cylinder block processing and its process

As a high-tech component of automobiles, the processing of engine blocks gradually penetrates into major enterprises.

202004-20

Car companies began to resume work one after another

Overseas auto companies have resumed production.. Affected by the epidemic, parts companies have increased prices

202004-16

Assembly of connecting rod bearing

The connecting rod assembly is composed of connecting rod body, connecting rod cover, connecting rod bolt and connecting rod bearing.

202004-14

Crankshaft flywheel

The flywheel is a disk with a large moment of inertia. Its main function is to store part of the kinetic energy input to the crankshaft during the power stroke to overcome the resistance in other strokes and drive the crank connecting...

202004-09

The function of chain tensioner

The chain tensioner acts on the timing belt or timing chain of the engine, guiding and tensioning it, so that it is always in the optimal tension state. Generally divided into oil pressure and mechanical methods, they can automatically adjust the tension of the timing belt and timing chain.

202004-07

European parts supply chain cut off, VW will stop production in Russia

According to foreign media reports, on March 24, Volkswagen Group's Russian branch said that due to the outbreak of the new crown virus in Europe, resulting in a shortage of parts supply from Europe, Volkswagen Group will suspend car production in Russia.

202004-01

How turbochargers work

The turbo system is one of the most common supercharging systems in supercharged engines.

202003-30

Main bearing of crankshaft

The main bearing of the crankshaft is commonly called a large bearing. Like the connecting rod bearing, it is also a sliding bearing divided into two halves, namely the main bearing (upper and lower bearings).

202003-25

Aluminum coating of piston rings

The outer surface of the piston ring is often coated to improve the performance characteristics of the ring, such as by changing the frictional or abrasion characteristics of the surface.

202003-23

Impregnated ceramic treatment of piston rings

Piston ring is one of the core parts of the engine. The material of the piston ring should have suitable strength, hardness, elasticity and fatigue resistance, excellent wear resistance, heat resistance and corrosion resistance.

202003-19

Crankshaft pulley and torsional vibration damper

Automobile engine crankshaft pulleys and torsional vibration dampers are mounted on the front end of the crankshaft.

202003-17

Features of V-type six-cylinder engine

V6 engines, as the name suggests, are two sets of cylinders (three on each side) arranged in a "V" shape at a certain angle.

202003-11

Five precautions for using turbochargers

The exhaust supercharger uses the exhaust gas to drive the turbine at high speed. The turbine drives the pump wheel to pump air to the engine...

202003-09

Inline six-cylinder engine

The L6 engine has 6 cylinders arranged in a straight line, so it only needs a cylinder head and a set of double overhead camshafts.