Piston Ring 'counterpart'
1. During the maintenance and repair of the internal combustion engine, it is often found that the piston ring opening turns to the same direction to form a piston ring counterpart. Second, the piston ring counterpart will reduce the compression force in the engine cylinder and cause gas channeling, which will reduce the power and economy of the engine. Oil from the mouth gap into the combustion chamber, causing burning oil and carbon deposits, accelerate the wear of the parts, and even cause the cylinder. Third, the reason for the formation of the piston ring: 1 in the maintenance and replacement of the new ring, the installation position is not correct. When assembling piston rings, the opening directions should be staggered, generally 90 degrees, 120 degrees or 180 degrees apart. 2 in the long-term operation of the cylinder, due to wear and tear, the cylinder produces taper and loss of roundness. When working, the piston ring will rotate in the ring groove, and the open end with high pressure will turn to the direction suitable for loss of roundness, the most worn out is the 'guide rail' where the piston ring opening moves up and down, forming the piston ring counterpart. Sometimes the opening ends of individual rings turn to 180 in the corresponding direction. The position forms a counterpart. 3 The connecting rod is twisted and deformed. Due to the deformation of the connecting rod, the piston cannot keep a linear reciprocating motion in the cylinder, resulting in rotation, and the piston ring also moves in the ring groove, causing the piston ring opening to tend to the same direction.
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Our PVD Ion Plating Piston Ring is manufactured with advanced multi-arc ion plating technology under high vacuum conditions. Stable arc discharge between cathode and anode generates high-energy plasma, which deposits dense, uniform coatings such as TiN, CrN, ZrN onto the piston ring surface under workpiece bias voltage.
With excellent adhesion and high bonding strength, the coating stays firm without peeling. Hardness reaches 1800–2500 HV, 4–6 times higher than base materials, recognized as a super-hard coating. Friction coefficient is 0.4, delivering 10× improved wear resistance and outstanding corrosion resistance. Ideal for heavy-load engines, construction machinery and commercial vehicles, it greatly extends service life and reduces maintenance costs.
Backed by professional PVD coating equipment and strict quality control, Hearten Auto Parts upholds Precision Craftsmanship, Technological Leadership to provide reliable high end piston ring solutions.
Our Ceramic Titanium Piston Ring uses cutting-edge nano ceramic coating and multi-arc ion plating process. In a high vacuum environment, high-energy plasma reacts and deposits uniformly to form high-performance coatings like TiN, TiC, ZrN, ensuring strong bonding with the substrate.
It features ultra-strong adhesion and high compactness. Hardness reaches 2200–2500 HV, 3–12 times higher than raw materials, classified as a super-hard coating. With friction coefficient 0.4, wear resistance is improved by 150 times, providing outstanding durability under extreme working conditions. The high-density coating also delivers superior corrosion resistance and stable low-friction performance.
Designed for high-performance engines and heavy-duty machinery, our ceramic titanium piston rings combine advanced technology with strict quality control, fully embodying Precision Craftsmanship, Technological Leadership.
Our CKS (CID) Piston Ring adopts upgraded Chromium-based Composite Ceramic technology, an industry breakthrough that meets Euro IV emission standards and delivers double the wear resistance of conventional chrome plating.
The process forms uniform mesh textures inside the outer chrome layer, filled with wear resistant particles to enhance anti-friction performance. The mesh structure also provides excellent oil storage capacity, effectively lowering friction and protecting cylinder liners. The ring body is strengthened by nitriding treatment, boosting hardness, strength and impact resistance.
The bad piston ring may be related to the air leakage caused by its wear or coke connection with the piston ring groove. If after cutting off a cylinder, the exhaust gas no longer from the oil or vent vent, the cylinder piston is not good use.
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