Heavy machinery designed for the purpose of fulfilling industrial tasks is entirely dependent on its engine for power. This means that the efficiency and strength of industrial engine’s motors is an important factor when it comes to determining the rate of production and transportation of goods that are manufactured in industries.

However, when it comes to engine protection the only equipment that comes to one’s mind are engine cylinder liners? From local to international companies, here’s why the different faces of cylinder liners are so widely accepted:

What are the functions of Engine Cylinder liners?

Cylinder liners are cylindrical equipment which are placed in the inner lining of an engine block. They form a sliding surface for the piston rings and preventing consumption of lubricants. As a result of its characteristic lubricious surface, cylinder liners used in an engine also fulfill the following functions:

Enhancing Anti-Galling Properties

Galling damages are adhesive wear which result due to the exchange of material between metallic surfaces during sliding. Since liners reduce the interaction of metallic surfaces in an engine, they prevent galling.

Prevent Wearing of Piston Ring

As the engine motor elements slide against each other they are exceedingly vulnerable to wear and tear, especially on the piston ring. Cylinder liners ease the frictional load on piston rings and prevent its break down.

Decrease Consumption of Lubricant

Acting as an additional sliding layer in the engine, liners reduce the necessity of putting massive amounts of lubricants in engines.

Which are the three types of cylinder liners?

Engine cylinder liners usually operate in high temperatures and speed for long durations of time. They are designed to suit certain working conditions and perform desired functions. As per their functions, cylinder liners can be differentiated into three different types:

#1. Dry Cylinder Liners

As basic piston protectors, dry cylinder liners are structured to withstand extremely high temperatures and prevent accumulation of impurities in the engine. They do not come in contact with engine coolants and insulate the cylinder block to protect the piston from heat. Dry cylinder liners are made from high-grade materials like cast iron and ceramic-nickel plating.

#2. Wet Cylinder Liners

Wet cylinder liners are thicker than dry liners and they protect the piston with an entirely different mechanism. Since they come in direct contact with the engine coolant, they create a cooling jacket using the properties of the cylinder block. Sometimes they are designed with tiny openings which evenly displace heat and impurities across the engine.

#3. Finned Cylinder Liners

Alike, dry and wet liners, finned cylinder liners are also made from hardened materials which are tolerant towards heat and resistant to engine impurities. Such liners are basically used in air-cooled engines, where they operate on the mechanism of a dry liner and use the surrounding air as a cooling medium. However, these liners are integrated with tiny fins that allow the cylinder to cool down from the gushing incoming air.

How are cylinder liners called around the world?

Today, machines have become essential facilitating agents for a large number of positions in industries. It is hence that as uncommon an invention as engine cylinder liners is spread throughout the world. Though, they are recognized with different names at different junctions. While Japanese markets continue to use the term “cylinder liners,” a majority of international companies or countries call it cylinder sleeve.

Cylinders are the powerhouse of an engine since they control its fuel efficiency. The more they’re protected, the more efficiently a machine can operate.  By implication, engine cylinder liners are an important component of engines because they increase its working life.