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S6R2 Engine Piston Ring 37517-00020 37517-10505
The S6R2 engine is a powerful diesel engine manufactured by Mitsubishi Heavy Industries, typically used in marine, industrial, and power generation applications. The piston rings in an engine like the S6R2 play a crucial role in maintaining proper compression, controlling oil consumption, and promoting efficient combustion
Overview Of S6r2 Engine Piston Rings:
Function:
- Piston rings are essential components that seal the gap between the piston and the cylinder wall. They serve several key functions:
- Maintain proper compression within the combustion chamber.
- Prevent the escape of combustion gases into the crankcase.
- Regulate the distribution of engine oil along the cylinder wall.
- Promote efficient combustion and reduce emissions.
Types of Rings:
- Piston rings in an S6R2 engine typically include compression rings and oil control rings.
- Compression Rings: These rings are positioned near the top of the piston and are responsible for sealing the combustion chamber during the compression and power strokes. They maintain compression, ensuring efficient combustion.
- Oil Control Rings: Located below the compression rings, oil control rings regulate the distribution of engine oil along the cylinder wall and prevent excessive oil from entering the combustion chamber.
Materials:
- Piston rings are typically made from high-strength materials, such as cast iron, steel, or advanced materials with excellent wear resistance. The choice of material depends on the specific engine's requirements and design.
Design:
- The design of piston rings includes precise gaps and grooves to allow for proper expansion and contraction as the piston moves within the cylinder.
The piston ring is precisely designed to perfectly match the piston, ensuring optimal sealing and performance. Made from high-quality materials, it is highly resistant to wear and corrosion even in long-term high-temperature and high-pressure environments, significantly extending its lifespan. With its advanced design, the piston ring can stably operate in various applications, providing reliable power support.
Environmental Friendly:
The piston ring is designed to reduce fuel consumption and emissions, thereby minimizing its impact on the environment and meeting energy-saving and environmental protection requirements. The piston ring is made from high-quality materials and is precisely designed to fit the piston, ensuring optimal sealing and performance. This reduces the amount of fuel consumed by the engine, resulting in lower emissions and a reduced environmental impact. The high-quality material will not produce any harmful element for environment, because it has stable chemical performance. Additionally, the piston ring’s advanced design reduces friction and wear, further contributing to energy efficiency and environmental protection.
Product Parameter：
|
Product Name |
Piston Ring |
|
Application |
Engineering Machinery Engine |
|
Bore Diameter |
102.0mm |
|
Material |
Cast Iron |
|
Size |
STD |
|
Engine Number |
S6R2 |
|
OEM Number |
37517-00020 37517-10505 |
|
Material |
Steel |
|
Car Model |
MITSUBISHI |
|
Condition |
100% Brand-new |
|
Warranty |
6 Months |
|
Packing |
Neutral Packing |
|
Application Industries |
Machinery Repair Shops, Energy & Mining |
Application:
- Marine: in various types of ships, such as cargo ships, passenger ships, fishing boats, etc. The high-quality manufacturing and precise design of the piston rings ensure that the engine can operate stably in harsh marine environments, providing reliable power;
- Power Generation: in generator sets, providing power to various types of buildings, factories, and facilities. The high durability and precise design of the piston rings ensure that the generator set can operate stably for a long time, providing reliable power supply;
- Heavy Machinery: in various types of heavy machinery, such as excavators, loaders, bulldozers, etc. The high wear resistance and precise design of the piston rings ensure that the engine can operate stably in harsh working environments, providing reliable power;
- Other Applications: such as agricultural machinery, mining equipment, railway locomotives, etc. The high-quality manufacturing and precise design of the piston rings ensure that the engine can operate stably in various application environments, providing reliable power.
Importance of Piston Ring
Piston rings are designed to seal the gap between the piston and the cylinder wall. If this gap were too small, thermal expansion of the piston could mean the piston seizes in the cylinder, causing serious damage to the engine.
On the other hand, a large gap would cause insufficient sealing of the piston rings against the cylinder walls, resulting in excessive blow-by (combustion gases entering the crankcase) and less pressure on the cylinder, reducing the power output of the engine.
The sliding motion of the piston ring inside the cylinder wall causes friction losses for the engine. The friction caused by piston rings is approximately 24% of the total mechanical friction losses for the engine. The design of the piston rings is therefore a compromise between minimizing friction while achieving good sealing and an acceptable lifespan.
Lubrication of piston rings is difficult and has been a driving force to improvements in the quality of motor oil. The oil must survive high temperatures and harsh conditions with a high-speed sliding contact. Lubrication is particularly difficult as the rings have an oscillating motion rather than continuous rotation (such as in a bearing journal).
At the limits of piston movement, the ring stops and reverses direction. This disrupts the normal oil wedge effect of a hydrodynamic bearing, reducing the effectiveness of the lubrication.
Rings are also sprung to increase the contact force and to maintain a close seal. The spring force is provided by either the stiffness of the ring itself or by a separate spring behind the seal ring.
It is important that rings float freely in their grooves within the piston so that they can stay in contact with the cylinder. Rings binding in the piston, usually due to a build-up of either combustion products or a breakdown of the lubricating oil, can cause engine failure and is a common cause of failure for diesel engines.
Types of Piston Ring
Piston rings commonly used on small engines include the three types of piston ring as mentioned below:
Compression Ring
The compression ring is the topmost ring in the piston attached to its outside diameter. The main function of the compression ring is to seal the gap between the piston and the cylinder walls.
Wiper Ring
The wiper ring also called a Napier ring, or backup compression ring, are installed below the compression ring. Their main function is to clean the liner surface off the excess oil and to act as support back up ring on stopping any gas leakage further down which escaped the top compression ring.
Oil Ring
The main function of the oil scraper ring is to guide the engine oil scraping along the piston outer surface back into the crank case. Engine oil lubricates the piston as well as all the components within the crank case.
For more information about S6R2 piston ring, please kindly contact us at any time, we are glad to answer for you. If you want to order in quantity, hope that we will be your best choice.
