Half-thread half-burr type cylinder sleeve and production method thereof

A semi-burr type, production method technology, applied in the direction of cylinders, cylinder heads, mechanical equipment, etc., can solve the problems that it is difficult to meet the requirements of cylinder liner strength, wear resistance and cost, high production cost and short service life of cylinder liners , to 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 the high-performance energy-saving and environmental protection engine for the strength, wear resistance and cost of the cylinder liner

Method used

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  • Half-thread half-burr type cylinder sleeve and production method thereof

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Effect test

Embodiment 1

[0031] A half-threaded and half-burr cylinder liner proposed by the present invention includes a cylinder liner base 11, an inner coating 12 is formed on the inner surface of the cylinder liner base 11, the surface roughness of the inner coating 12 is 80 μm, and the thickness is 100 μm. 0.2 mm, the outer surface of the cylinder liner base 11 is formed with a burr portion 13 and a threaded portion 14, the burr portion 13 and the threaded portion 14 are independent of each other, the burr portion 13 has a plurality of protrusions, and the height of the protrusions is At 0.1 mm, the threaded portion 14 includes a plurality of thread grooves, the depth of which is 0.2 mm, the thread grooves have an arc-shaped cross-section, and the distance between two adjacent thread grooves is 5 mm. The protrusion has a constricted shape and is made of ceramic material. The chemical composition of the cylinder liner matrix 11 material includes C: 3.0%, Si: 2.5%, S: ≤ 0.1%, P: ≤ 0.2%, Cr: 0.6%, N...

Embodiment 2

[0035]A half-thread and half-burr cylinder liner proposed by the present invention includes a cylinder liner base 11, an inner coating 12 is formed on the inner surface of the cylinder liner base 11, the surface roughness of the inner coating 12 is 120 μm, and the thickness is 100 μm. 0.4mm, the outer surface of the cylinder liner base 11 is formed with a burr portion 13 and a threaded portion 14, the burr portion 13 and the threaded portion 14 are independent of each other, the burr portion 13 has a plurality of protrusions, and the height of the protrusions is At 0.5 mm, the threaded portion 14 includes a plurality of thread grooves, the depth of which is 0.4 mm, the thread grooves have an arc-shaped cross section, and the distance between two adjacent thread grooves is 7 mm. The protrusion has a constricted shape and is made of ceramic material. The chemical composition of the cylinder liner matrix 11 material includes C: 3.2%, Si: 3.0%, S: ≤ 0.1%, P: ≤ 0.2%, Cr: 0.5%, Ni: ...

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Abstract

The invention discloses a half-thread half-burr type cylinder sleeve. The half-thread half-burr type cylinder sleeve comprises an air cylinder sleeve base body; an inner coating is formed on the innersurface of the air cylinder sleeve base body; the inner coating ranges from 80 [mu]m to 120 [mu]m in surface roughness and ranges from 0.2mm to 0.4 mm in thickness; a burr portion and a thread portion are formed on the outer surface of the air cylinder sleeve base body and are independent of each other; the burr portion is provided with a plurality of protrusions which range from 0.1 mm to 0.5 mmin height; and the thread portion comprises a plurality of thread grooves which range from 0.2mm to 0.4 mm in groove depth. By means of the half-thread half-burr type cylinder sleeve disclosed by theinvention, the bonding strength to the air cylinder sleeve base body can be improved, the abrasion resistance is sufficient, and the effective heat conductivity is advantageously obtained.

Description

technical field [0001] The invention relates to the field of cylinder liner production, in particular to a half-thread and half-burr type cylinder liner and a production 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 high-performance energy-saving and environmentally friendly engines for the strength, wear resistance and cost of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F1/00C22C37/10C22C37/08C23C8/22
CPCF02F1/004C22C37/08C22C37/10C23C8/22F02F2200/06
Inventor 黄德松
Owner ZYNP GRP ANHUI CO LTD
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