Application Scope of piston ring

Application Scope of piston ring piston ring is widely used in various power machinery, such as steam engine, diesel engine, gasoline engine, compressor, hydraulic press, etc. Generally, the piston ring is installed in the ring groove of the piston. It and the piston, cylinder liner, cylinder head and other components form a chamber to do work. The function and function of piston ring the function of piston ring includes sealing and adjusting engine oil (Oil Control)Heat conduction (Heat transfer), Guidance (Support)Four functions. Sealing: refers to sealing the gas to prevent the gas in the combustion chamber from leaking to the crankcase, controlling the leakage of the gas to a minimum and improving the thermal efficiency. Air leakage will not only reduce the power of the engine, but also deteriorate the engine oil, which is the main task of the Air ring; Adjust the oil (Oil Control) : Scrape off the excess lubricating oil on the cylinder wall, and at the same time make the cylinder wall covered with a thin oil film to ensure the normal lubrication of the cylinder, piston and ring. In modern high-speed engines, special attention is paid to the role of piston rings in controlling oil film; Heat conduction: the heat of the piston is conducted to the cylinder liner through the piston ring, which is used for cooling. According to reliable data, 70 ~ of the heat received by the piston top ~ 80% is passed to the cylinder wall through the piston ring and scattered; Support: The piston ring keeps the piston in the cylinder to prevent the piston from directly contacting the cylinder wall, ensure the smooth movement of the piston, reduce the friction resistance, and prevent the piston from knocking on the cylinder. Precautions for installation of piston rings 1) The piston ring is laid flat into the cylinder liner, and there must be a certain opening gap at the interface. 2) The piston ring should be installed on the piston. In the ring groove, there should be a certain edge clearance along the height direction. 3) Chrome-plated ring should be installed in the first channel, and the opening should not face the vortex pit direction at the top of the piston. 4) The openings of each piston ring are staggered at 120 ℃, and they are not allowed to face the piston pin hole. 5) When installing the conical section piston ring, the conical surface shall be upward. 6)When installing the torsion ring, the chamfer or groove should be upward. 7) When installing the combination ring, the axial lining ring should be installed first, then the flat ring and the wave ring should be installed. Two flat rings are installed on the top of the wave ring and a flat ring is installed on the bottom. The openings should be staggered from each other.

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Producing with varied technical skills, custom piston rings can be used in a wide range of applications as standard piston ring company.