U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve and preparation method thereof

Abstract

The invention discloses a U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve. The U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve comprises an air cylinder sleeve body. The air cylinder sleeve body is sequentially divided into a region A, a region B and a region C from top to bottom according to the friction and abrasion degrees, wherein the friction and abrasion degrees of the region A are maximal, the friction and abrasion degrees of the region C come second, and the friction and abrasion degrees of the region B are minimal. The U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve is characterized in that a plurality of layers of first overlapping curve rings are evenly arranged on the inner wall of the region A in the axial direction of the air cylinder sleeve body, each layer of first overlapping curve rings comprises a plurality of first U-shaped overlapping curve grooves which are evenly arranged in the circumferential direction of the air cylinder sleeve body, a plurality of layers of second overlapping curve rings are evenly arranged on the inner wall of the region B and the inner wall of the region C in the axial direction of the air cylinder sleeve body, and each layer of second overlapping curve rings comprises a plurality of second U-shaped overlapping curve grooves which are evenly arranged in the circumferential direction of the air cylinder sleeve. The U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve solves the problem that according to a mechanical honing technology, all random overlapping curves cannot reach consistence and also solves the problem that according to a narrow V-shaped laser honing technology, the air cylinder sleeve performance and the service life stability cannot be reached.

Description

technical field [0001] The invention belongs to the technical field of fine processing of cylinder liners, and in particular relates to a cylinder liner with micro-engraved net patterns on the surface of a U-shaped laser and a preparation method thereof. Background technique [0002] The traditional flat-top textured cylinder liner adopts mechanical honing technology to make the texture. The texture produced by this method is poor in consistency and the effect is not good. Later, the narrow V-shaped laser surface honing technology was used to initially solve the difficulty of mechanical honing. The consistency of the inner surface of the cylinder liner is a problem, but this method does not study the key influence of laser surface honing technology on the performance and life of the cylinder liner from the friction, wear and lubrication mechanism of the cylinder liner, and does not study the key effects of the laser surface honing technology on the performance and life of the...

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Problems solved by technology

[0002] The traditional flat-top textured cylinder liner adopts mechanical honing technology to make the texture. The texture produced by this method is poor in consistency and the effect is not good. Later, the narrow V-shaped laser surface honing technology was used to initially solve the difficulty of mechanical honing. The consistency of the inner surface of the cylinder liner is a problem, but this method does not study the key influence of laser surface honing technology on the performance and life of the cylinder liner from the friction, wear and lubrication mechanism of the cylinder liner, and does not study the key effects of the laser surface honing technology on the performance and life of the cylinder liner. Research on the influence of fuel oil quantification and stability on the guiding function, supporting function, sealing function and life of the cylinder liner

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