202008-17

Diagnosis and troubleshooting of air leakage of piston and piston ring

Put the piston ring flat in the cylinder, push the ring flat with the old piston (when changing the ring for minor repairs...

202008-13

Causes and measurement of crankshaft wear

The worn parts of the crankshaft are mainly the main journal and connecting rod shaft whiskers.

202008-11

Specially designed engines and fuels can reduce air emissions and water consumption

According to reports, research led by personnel from the U.S. Department of Energy's Argonne National Laboratory shows that in the next 30 years...

202008-06

Benefits of timing chain

In the cost of car use, maintenance and repair should occupy a considerable proportion. The daily maintenance of general models is divided into 5,000 kilometers maintenance and 10,000 kilometers maintenance.

202008-04

The cylinder head inspection method is as follows

Check with coloring penetrant: immerse the cylinder head in a kerosene or kerosene coloring solution (mass fraction of 65% kerosene...

202007-30

The-development-trend-of-piston-ring-materials

SO6621-3 divides the piston ring materials into six series: gray cast iron, heat-treated gray cast iron, carbide cast iron, malleable cast iron, ductile cast iron, and steel.

202007-27

Crankshaft ion nitriding heat treatment

The crankshaft is the main rotating part of the engine and the most important part of the engine.

202007-23

Major companies producing automotive engines

Austria AVL, Germany FEV, and UK Ricardo are the world’s three largest independent engine design companies today.

202007-20

Engine cylinder head material

The cylinder head is generally made of gray cast iron or alloy cast iron, but in order to improve the fuel economy of the vehicle, the weight of the engine is imminent, and the use of light materials can effectively reduce the quality of the engine.

202007-15

How to distinguish the quality of auto parts

There are more and more people with cars. In the process of car maintenance and repair, car owners are often troubled by the purchase of poor quality auto parts, which not only affects the service life and user experience of the car, but also affects the driving safety of the car. So how do we distinguish the quality of auto parts?

202007-13

Typical wear of marine engine "cylinder liner-piston ring"

Based on the analysis of the basic causes of wear, the "cylinder liner-piston ring" part of the marine engine includes the following four typical wear forms:

202007-09

What is the timing chain installation tutorial

Confirm the 3 yellow links on the timing chain. Install the timing chain and crankshaft sprocket.

202007-07

Fillet quenching technology of crankshaft

The crankshaft is one of the most important parts in the internal combustion engine, and its service life often determines the service life of the internal combustion engine.

202007-01

Global Top 100 Auto Parts Suppliers List 2020: 7 Chinese companies on the list

On June 29, "Automotive News" released the list of top 100 global auto parts suppliers in 2020.

202006-22

Detailed knowledge of chain sprockets

A sprocket is a solid or spoked gear that meshes with a (roller) chain to transmit motion.

202006-17

About the material of the crankshaft blank

There are two main types of crankshaft materials, one is a steel crankshaft and the other is a ductile iron crankshaft.

202006-15

Car company risks are accelerating the transfer to supply chain companies

A local auto parts company said in an interview that the current Toyota production model adopted by auto companies largely transfers the risk to suppliers.

202006-10

Reasons for the tightness of the engine cylinder head seal Part 2

The quality of the cylinder head sealing performance has a great influence on the technical status of the engine. When the cylinder head is not tightly sealed, the cylinder will leak air, resulting in insufficient compression pressure of the cylinder, lower temperature and lower air quality.

202006-08

Reasons for the tightness of the engine cylinder head seal Part 1

The quality of the cylinder head sealing performance has a great influence on the technical status of the engine. When the cylinder head is not tightly sealed, the cylinder will leak air, resulting in insufficient compression pressure of the cylinder, lower temperature and lower air quality.

202006-03

The role of timing sprockets

The function of the timing sprocket is equivalent to the timing belt. It is an important part of the engine's gas distribution system.

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.