High occlusion cylinder liner and preparation method thereof

A cylinder liner and fitting technology, which is applied in the direction of cylinders, cylinder heads, mechanical equipment, etc., can solve the problems of difficulty in meeting the requirements of cylinder liner strength, wear resistance and cost, high production cost of cylinder liners, and long running-in time. Achieve the effects of shortening the running-in time, low manufacturing cost and improving the bonding strength

Inactive Publication Date: 2018-02-02
ZYNP GRP ANHUI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the production cost of the traditional cylinder liner is high, the running-in time is long, the bite force is poor, the service life is short, and it is difficult to meet the requirements of high-performance energy-saving and environmentally friendly engines for the strength, wear resistance and cost of the cylinder liner

Method used

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  • High occlusion cylinder liner and preparation method thereof
  • High occlusion cylinder liner and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Such as Figure 1-2 As shown, this embodiment discloses a high-occlusion cylinder liner, including a cylinder liner body, the inner surface of the cylinder liner body is coated with an inner coating 1, the surface roughness of the inner coating 1 is 80 μm, and the thickness is 0.2 mm; Both ends of the outer surface of the sleeve body are provided with an annular groove body 2, and the depth of the annular groove body 2 is 0.1mm; a burr 3 structure is arranged in the middle area of ​​the outer surface of the cylinder body; the height of the burr 3 is 0.1m.

[0027] The chemical composition of the cylinder liner body includes Si content of 5wt.%, Ti content of 7wt.%, Fe content of 0.3wt.%, Mn content of 0.6wt.%, Pd content of 0.05wt.%. The Sr content is 2.3wt.%, and the rest is Al.

Embodiment 2

[0029] Such as Figure 1-2 As shown, this embodiment discloses a high-occlusion cylinder liner, including a cylinder liner body, the inner surface of the cylinder liner body is coated with an inner coating 1, the surface roughness of the inner coating 1 is 100 μm, and the thickness is 0.3 mm; Both ends of the outer surface of the sleeve body are provided with an annular groove body 2, and the depth of the annular groove body 2 is 0.3mm; a burr 3 structure is arranged in the middle area of ​​the outer surface of the cylinder body; the height of the burr 3 is 0.2mm.

[0030] The annular groove body 2 has a stepped structure, including a first annular groove body 21 and a second annular groove body 22 ; the depth of the second annular groove body 22 is greater than that of the first annular groove body 21 .

[0031] The depth of the first annular groove body 21 is 0.1mm; the depth of the first annular groove body 21 is 0.2mm.

[0032] The chemical composition of the cylinder lin...

Embodiment 3

[0034] Such as Figure 1-2 As shown, this embodiment discloses a high-occlusion cylinder liner, including a cylinder liner body, the inner surface of the cylinder liner body is coated with an inner coating 1, the surface roughness of the inner coating 1 is 120 μm, and the thickness is 0.4 mm; Both ends of the outer surface of the sleeve body are provided with an annular groove body 2, and the depth of the annular groove body 2 is 0.4mm; a burr 3 structure is provided in the middle area of ​​the outer surface of the cylinder body; the height of the burr 3 is 0.5mm.

[0035] The annular groove body 2 has a stepped structure, including a first annular groove body 21 and a second annular groove body 22 ; the depth of the second annular groove body 22 is greater than that of the first annular groove body 21 .

[0036] The depth of the first annular groove body 21 is 0.15mm; the depth of the first annular groove body 21 is 0.25mm.

[0037] The chemical composition of the cylinder l...

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Abstract

The invention discloses a high occlusion cylinder liner. The high occlusion cylinder liner comprises a cylinder liner body, wherein the inner surface of the cylinder liner body is coated with an innercoating; the inner coating is 80-120 [mu]m in surface roughness and 0.2-0.4 mm in thickness; an annular groove body is formed in each of the two ends of the outer surface of the cylinder liner body;the annular groove bodies are 0.1-0.4 mm in depth; and burrs, which are 0.1-0.5 mm in height, are arranged in the middle area on the outer surface of the cylinder liner body. The invention further discloses a preparation method of the high occlusion cylinder liner. The high occlusion cylinder liner and the preparation method thereof have the technical effects that the occlusion force is great, andthe service life is long.

Description

technical field [0001] The invention relates to the field of cylinder liner production, in particular to a high-occlusion type cylinder liner and a preparation method thereof. Background technique [0002] Automobile engine is a machine that can convert other forms of energy into mechanical energy. It is the heart of the automobile and affects the power, economy and environmental protection of the automobile. As one of the main accessories of the engine, the cylinder liner is a key component of the A-level engine, and its performance directly affects the technical requirements of the engine's power, reliability, economy, emission, and noise. [0003] At present, the production cost of the traditional cylinder liner is high, the running-in time is long, the bite force is poor, the service life is short, and it is difficult to meet the requirements of the high-performance energy-saving and environmentally friendly engine for the strength, wear resistance and cost of the cylind...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F1/00B22D13/00C22C21/00B05D7/14B05D7/22
CPCF02F1/004B05D7/14B05D7/22B22D13/00C22C21/003
Inventor 黄德松
Owner ZYNP GRP ANHUI CO LTD
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