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3 month ago

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The relationship between cylinder liner and piston ring

Inside the engine, the combination of cylinder liner and piston ring is a model of precision tribology - a tight fit to prevent air leakage and reduce friction and loss.

The tacit understanding of this "golden pair" is determined by two scientific principles:

Lubricating film: a "cushion" of friction

1. Principle: When the piston moves at high speed, the oil forms an oil film several microns thick between the cylinder liner and the piston ring, which is like the "water cushion" between the skating shoes and the ice surface, converting the direct friction into liquid shear.

2. Key indicators: oil film thickness should be maintained at 1.5-3μm, too thin leads to dry grinding (boundary friction), too thick increases resistance (viscosity loss).

Surface texture: "miniature water channel" for oil storage and flow diversion

1. Inner wall of cylinder liner: laser honing to form 25° cross mesh, which not only stores lubricating oil, but also guides oil evenly distribution.

2. Piston ring: diamond-like (DLC) coating surface shows nanoscale pits, friction coefficient is as low as 0.08, which reduces wear by 30% compared with traditional chrome-plated rings.

1D Auto Parts Co; Ltd is professional at high quality engine parts, we focus on Piston,Piston Ring,Cylinder Liner,Spark Plug,Glow Plug,Ignition Coil，Engine Valve,Sealant .

We have over 20 years of experience in OEM production，lmport-Export, management， quality control and market orientated R&D.We are able to meet customer requirement of high quality.sufficiency stock， variety of 5000 models and different size,as well as product packing & brand design, with the aim of establish a very competitive advantage for businesses.

WHY TO CHOOSE US:
1. China Top 3 Piston/liner/piston ring manufacturer(Toyota, Mitsubishi, Isuzu OEM supplier-original quality guarantee).
2. Strong R&D ability: More than 5000 engine models, all size.
3. Logistic Stock: Factory warehouse logistic centre-quick respond and sufficient stock, No MOQ requirement.
4. Facilities Technology: Japan/German imported machine, high qualified technician, ISO-2009 Certificate, QC tested and approved. Original or high standard material.
5. Customer Service: We promise to accomplish our customers with every little help, do the best we can to satisfy every upmost clients.

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1D auto parts

 Audited supplier

3 year

Address: Guangzhou, China

Main Product: Engine piston, cylinder liner, spark plug , Ignition coils, head gasket, Engine Valve

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