Piston Ring KIT

The main function of the piston ring set in an excavator is to ensure the engine’s sealing effect, prevent fuel gas leakage, and have a significant impact on the engine’s performance.

Piston ring sets are important components in power machinery such as excavators. They are installed in the piston ring grooves and work together with the piston, cylinder liner, and cylinder head to form a chamber. The piston ring set includes compression rings and oil rings. The compression rings are used to seal the combustible mixture in the combustion chamber, while the oil rings are used to scrape off excess engine oil from the cylinder, preventing oil from entering the combustion chamber. These piston rings are metal elastic rings with a large outward expansion deformation. They rely on the pressure difference of gas or liquid to form a seal between the outer circular surface of the ring and the cylinder, and between the ring and the side of the ring groove, ensuring the normal operation and performance of the engine.

The function of the piston ring set is not limited to sealing and oil control; it also includes heat conduction and guidance. They are widely used in power machinery such as steam engines, diesel engines, gasoline engines, compressors, hydraulic machinery, and are found in vehicles like cars, trains, ships, and yachts. The piston rings are one of the core components inside a fuel engine, working together with the cylinder, piston, and cylinder wall to seal the fuel gas, and they have a crucial impact on the engine’s performance. Therefore, maintaining the piston rings in good condition is essential to ensuring the long-term stable operation and performance of the engine.