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2021

09-07

Reasons for damaging the cylinder liner of the engine and maintenance methods

Analysis of the causes of cylinder liner wear The working environment of cylinder liners is very harsh, and there are many reasons for wear. Normal wear is usually allowed due to structural reasons, but improper use and maintenance will cause abnormal wear.

2021

09-07

What are the functions of the cylinder liner? What are the two types of cylinder liners?

The role of cylinder liner 1. Together with the cylinder head and piston, it forms the cylinder working space; 2. The cylinder liner of the cylindrical piston diesel engine bears the thrust of the piston side and becomes the lead of the reciprocating movement of the piston;

2021

09-07

Analysis of the causes of cylinder liner wear and introduction of cylinder liner maintenance knowledge

Today, the editor of the automobile maintenance network briefly introduced to the friends the analysis of the reasons for the wear of the cylinder liner and the good maintenance methods. Engine cylinder liners and piston rings are a pair of friction pairs that work under conditions of high temperature, high pressure, alternating load and corrosion. Working under complex and changeable conditions for a long time, the result is that the cylinder liner wears and deforms, which is related to the engine's power, rationality and service life. Now, let the editor of the auto repair network briefly introduce to the friends the analysis of the reasons for the wear of the cylinder liner and the good maintenance methods!

2021

09-07

What material is used for the cylinder liner?

The cylinder block and cylinder liner of most engines are cast as a whole, and some are made of aluminum alloy for the cylinder block, and alloy cast iron for the cylinder liner. The alloy cast iron cylinder liner can be cast in the cylinder block by low-pressure casting, or the cylinder block and cylinder liner can be combined by the interference fit method; the cylinder block made of aluminum alloy can reduce the weight of the engine on the one hand, and on the other hand It can improve the heat dissipation performance of the cylinder. Cylinder liners are divided into two categories: dry liners and wet liners: the cylinder liner that does not contact the cooling water on the back is called the dry liner, and the cylinder liner that contacts the cooling water on the back is the wet cylinder liner. The dry cylinder liner has thin thickness, simple structure and convenient processing; the wet cylinder liner directly contacts the cooling water, which is beneficial to the cooling of the engine, and is beneficial to the miniaturization and light weight of the engine.

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