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.

202003-04

The difference between timing belt and timing chain

Timing chain has become one of the more "fashionable" terms recently. It is known for its safety and maintenance-free life. As long as the salesperson introduces it to customers, it can save thousands of dollars in timing system maintenance for the owner of 60,000 kilometers.

202003-02

Selection and inspection of piston rings

There are two types of piston rings for engine overhaul: standard size and enlarged size. We have to choose the piston ring according to the previous cylinder processing size.

202002-26

Vehicle Frame Number and Engine Number Locations Part 2

An engine model is an identification code prepared by an engine manufacturer for a certain batch of the same product in accordance with relevant regulations, enterprise or industry practices, and the attributes of the engine. Inferior related information.

202002-24

Vehicle Frame Number and Engine Number Locations Part 1

An engine model is an identification code prepared by an engine manufacturer for a certain batch of the same product in accordance with relevant regulations, enterprise or industry practices, and the attributes of the engine.

202002-19

Cylinder head installation steps and bolt torque

In principle, the installation of the cylinder head should be performed in the order of disassembly first, and then pay attention to the following issues during assembly:

202002-17

Processing characteristics of crankshaft pulling technology

With the continuous improvement of the processing technology of automotive engine crankshafts, compared with crankshaft multi-tool turning and crankshaft milling etc.

202002-12

Timing drive system maintenance

The timing transmission system is an important part of the engine's air distribution system.

202002-10

Technical requirements of the crankshaft

The accuracy of the main journal and connecting rod journal, that is, the diameter dimension tolerance level is usually IT6 ~ IT7;

202002-06

How to distinguish top or comp piston rings

The basis for distinguishing top or comp rings from a piston ring is that top ring is bright, white, and thick, and the comp ring are dark, black, and thin.

202002-04

Truth you deserve to know about Wuhan Coronavirus（2019-nCoV）：

This is another test for China and the world community after SARS.