CN100595429C - Ocean vessel engine cylinder jacket and its cylinder liner material - Google Patents

Ocean vessel engine cylinder jacket and its cylinder liner material Download PDF

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Publication number
CN100595429C
CN100595429C CN200810020672A CN200810020672A CN100595429C CN 100595429 C CN100595429 C CN 100595429C CN 200810020672 A CN200810020672 A CN 200810020672A CN 200810020672 A CN200810020672 A CN 200810020672A CN 100595429 C CN100595429 C CN 100595429C
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cylinder liner
cylinder
wall
cylinder jacket
end surface
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CN101235761A (en
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王明泉
张顺先
韦斌
高金刚
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Jiangsu Huachen Cylinder Liner Inc ltd
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JIANGSU AIJISI HAIZHU MACHINERY CO Ltd
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Abstract

The invention discloses a cylinder jacket of ocean-going marine engine and a cylinder jacket material. The cylinder jacket is characterized in that the upper end of the inner surface (7) of the cylinder jacket is arranged at the blast chamber which is inserted a fire resistant ring (14). The cylinder jacket material comprises the following parts: C 2.9-3.1%, Si 1.8-2.2%, Mn 0.7-0.9%, P 0.1-0.15%,S 0.01-0.04%, Mo 0.3-0.5%, Cu 0.7-0.9%, Ni 0.3-0.4%, Cr 0.25-0.45%, Sb 0.2-0.5%, Ti 0.035-0.045% and Fe 90.815-92.705%. The cylinder jacket of ocean-going marine engine with the cylinder jacket material improves the mechanical property and the metallurgical structure of the cylinder jacket, which enhances the abrasive resistance, improves the oil storage property, improves the usability of engine,extends the durability, reduces the energy consumption, achieves the standard of tail gas emission, reduces pollution, and protects environment.

Description

Ocean vessel engine cylinder jacket and cylinder liner material thereof
Technical field
The present invention relates to cylinder liner and cylinder liner material thereof, be specifically related to ocean vessel engine cylinder jacket and cylinder liner material thereof.
Background technique
Cylinder liner is the heart component of motor, and its internal surface has constituted the firing chamber of motor with piston head, piston ring, cylinder head bottom surface, and guides the linear reciprocating motion of piston.Cylinder surfaces be assembly surface be again working surface, the quality of its quality of processing directly has influence on the assembly performance and the usability of motor.At present, there is following problem in domestic ocean vessel engine cylinder jacket: 1. the domestic industry level of processing is low, and inboard wall of cylinder liner adopts common cross hatch, and is lubricated relatively poor with friction reducing effect, and cylinder sleeve is short working life, motor energy consumption height, and discharging exceeds standard; 2. the operating temperature of motor firing chamber in when work work done process reaches more than 1000 ℃, molten vehement wearing and tearing very easily produce carbon distribution, cause abrasive wear, mill morning that cylinder sleeve produces shortened the working life of cylinder sleeve, seriously strengthened the maintenance expenses of the very expensive ocean vessel engine cylinder jacket of price; 3. existing ocean vessel engine cylinder jacket great majority are material with high-phosphorous iron, boron cast iron, vanadium titanium cast iron, low-alloy cast iron etc., though in prescription, also adopted alloying elements, but comprehensive mechanical performance is low, intensity and hardness are low, wear-resisting property is poor, life of product is short, is difficult to satisfy the demand of ocean vessel engine; Marine diesel engine goes on a long journey in ocean environment for a long time on the other hand, and part is easily by cavitation pitting, requires that the anti-cavitation pitting performance of cylinder liner is good, precision is high, vibration is little, and existing cylinder liner material still can not meet the demands fully.
Summary of the invention
The objective of the invention is to: a kind of ocean vessel engine cylinder jacket and cylinder liner material thereof are provided; adopt cylinder liner material of the present invention to make cylinder liner; improve the mechanical property and the metallographic structure of cylinder liner; strengthen wear resistance; strengthen the oil storage performance, improve the motor usability, increase the service life; reduce energy consumption, the tail gas qualified discharge reduces the pollution protection environment.
Technical solution of the present invention is: the supporting shoulder is arranged on the upper-end surface of cylinder liner and the outer wall of cylinder jachet between the lower end surface successively, the upper water sleeve wall, the upper support face, the lower water jacket wall, lower support surface, following waistband and skirt section, establish the supporting shoulder at the outer wall place of closing on the cylinder liner upper-end surface, on the cylinder liner outer wall below the supporting shoulder, establish upper support face and lower support surface at interval and form upper water sleeve wall and lower water jacket wall, on the cylinder liner outer wall below the lower support surface, set waistband and skirt section, the skirt section is near the lower end surface of cylinder liner, distribution platform reticulate pattern on the internal surface of cylinder liner, described platform reticulate pattern is made up of chain-wales and deep trench, it is characterized in that: be positioned at position, firing chamber inset type in the upper end of the internal surface of cylinder liner high-temperature resistant epoxy is installed.
Ocean vessel engine cylinder jacket of the present invention is being established one group of water shutoff groove on the waistband down, and the O RunddichtringO is installed in the water shutoff groove.
Cylinder liner material of the present invention is made up of following weight percentages: C2.9~3.1, Si1.8~2.2, Mn0.7~0.9, P 0.1~0.15, S 0.01~0.04, Mo 0.3~0.5, Cu 0.7~0.9, Ni0.3~0.4, Cr 0.25~0.45, Sb0.2~0.5, Ti 0.035~0.045, Fe90.815~92.705.
The synthetic method of cylinder liner of the present invention is: at first alloy is prepared burden and melting in proportion; Then according to tratitional technology pour into a mould, operation such as roughing, fine finishing.The present invention has the following advantages: 1, at this position, firing chamber inset type high-temperature resistant epoxy is installed, can be overcome the carbon distribution that molten vehement wearing and tearing produce, prolong cylinder liner working life, strengthened the Security of ocean vessel engine; 2, add an amount of Sb and can obviously reduce graphite size.Because of Sb has the function that hinders the carbon atom diffusion, its graphite is equally distributed shred shape type A graphtie.The Sb latent heat of fusion is bigger, will cause when adding Sb that the molten iron micro-area temperature rises and falls, and temperature fluctuation can impel graphite nuclei to increase.When liquid state, have good wettability between Sb and the Fe, adhesion is very big.Therefore, Sb and Fe will form intermetallic compoundss such as FeSb2.Along with the decline of solidification point, Sb preferentially assembles along austenite-melt interface, thereby impels the generation of graphite nuclei.Because the atomic radius of Sb and Fe differs bigger, is 1.38 times of Fe, Sb will be distributed in the short range order structure of Fe, can cause bigger distortion.So the best distributing position of Sb is in the place of atomic arrangement confusion, promptly graphite around.Because the enrichment of Sb around graphite influenced the diffusion velocity of forward position, interface carbon atom and the deposition rate on graphite, thereby hinders growth of graphite, forms comparatively equally distributed A type shred shape graphite.In the cylinder liner material composition, add the compactness that the Sb element effectively strengthens metallographic structure, strengthened mechanical property significantly, improved hardness and tensile strength, strengthened wear resistance and resistance to pitcorrosion energy, prolonged the working life of cylinder liner; 3, the alloying process of uses advanced is a cylinder jacket material with the high alloy iron, improves the microstructure and the surface state of material, improves mechanical property, wear resistance and the decay resistance of cylinder jacket material; 4, adopt platform webbing technique, improve the lubrication effect of internal surface in running of cylinder liner, improve cylinder sleeve working life.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the platform reticulate pattern schematic representation of Fig. 1.
Among the figure: 1. the upper-end surface is takeed in supporting, 2. supporting shoulder, 3. supporting shoulder lower end surface, 4. upper water sleeve wall, 5. upper support face, 6. lower water jacket wall, 7. internal surface, 8. platform reticulate pattern, 9. lower support surface, 10. play waistband, 11. water shutoff grooves, 12.O RunddichtringO, 13. skirt section, 14. high-temperature resistant epoxy, 15. chain-waless, 16. deep trench.
Embodiment
As Fig. 1, shown in 2, supporting shoulder 2 is arranged on the upper-end surface of cylinder liner and the outer wall of cylinder jachet between the lower end surface successively, upper water sleeve wall 4, upper support face 5, lower water jacket wall 6, lower support surface 9, following waistband 10 and skirt section 13, establish supporting shoulder 2 at the outer wall place of closing on the cylinder liner upper-end surface, on the cylinder liner outer wall below the supporting shoulder 2, establish upper support face 5 and lower support surface 9 formation upper water sleeve wall 4 and lower water jacket walls 6 at interval, on the cylinder liner outer wall below the lower support surface 9, set waistband 10 and skirt section 13, skirt section 13 is near the lower end surface of cylinder liner, distribution platform reticulate pattern 8 on the internal surface 7 of cylinder liner, described platform reticulate pattern 8 is made up of chain-wales 15 and deep trench 16, it is characterized in that: be positioned at position, firing chamber inset type in the upper end of the internal surface 7 of cylinder liner high-temperature resistant epoxy 14 is installed.
Ocean vessel engine cylinder jacket of the present invention is being established one group of water shutoff groove 11 on the waistband 10 down, and O RunddichtringO 12 is installed in the water shutoff groove 11.
Cylinder liner material of the present invention is made up of following weight percentages: C2.9~3.1, Si 1.8~2.2, Mn0.7~0.9, P 0.1~0.15, S 0.01~0.04, Mo 0.3~0.5, Cu 0.7~0.9, Ni0.3~0.4, Cr 0.25~0.45, Sb0.2~0.5, Ti 0.035~0.045, Fe90.815~92.705.
Example 1: prepare burden at first by weight percentage: C 2.9, Si 1.8, Mn 0.7, P 0.1, S 0.01, Mo 0.3, Cu 0.7, Ni 0.3, Cr 0.25, Sb 0.2, Ti 0.035, Fe 90.815; Melting batching is poured into a mould operation such as roughing and is made cylinder liner according to tratitional technology then.This cylinder liner hardness 340HB, tensile strength 270Mpa, type A graphtie 75%, graphite exposes rate 40%.
Example 2: prepare burden at first by weight percentage: C 3.0, Si 2.0, Mn 0.8, P 0.25, S 0.025, Mo 0.4, Cu 0.8, Ni 0.35, Cr 0.35, Sb 0.35, Ti 0.04, Fe 91.76; Melting batching is poured into a mould operation such as roughing and is made cylinder liner according to tratitional technology then.This cylinder liner hardness 260HB, tensile strength 280Mpa, type A graphtie 76%, graphite exposes rate 45%.
Example 3: prepare burden at first by weight percentage: C 3.1, Si 2.2, Mn 0.9, P 0.15, S 0.04, Mo 0.5, Cu 0.9, Ni 0.4, Cr 0.45, Sb 0.5, Ti 0.045, Fe92.705; Melting batching is poured into a mould operation such as roughing and is made cylinder liner according to tratitional technology then.This cylinder liner hardness 270HB, tensile strength 290Mpa, type A graphtie 80%, graphite exposes rate 50%.

Claims (1)

1. ocean vessel engine cylinder jacket, supporting shoulder (2) is arranged on the upper-end surface of cylinder liner and the outer wall of cylinder jachet between lower end surface (3) successively, upper water sleeve wall (4), upper support face (5), lower water jacket wall (6), lower support surface (9), following waistband (10) and skirt section (13), establish supporting shoulder (2) at the outer wall place of closing on the cylinder liner upper-end surface, on the cylinder liner outer wall of supporting shoulder (2) below, establish upper support face (5) and lower support surface (9) at interval and form upper water sleeve wall (4) and lower water jacket wall (6), on the cylinder liner outer wall of the below of lower support surface (9), set waistband (10) and skirt section (13), skirt section (13) is near the lower end surface of cylinder liner, internal surface (7) in cylinder liner is gone up distribution platform reticulate pattern (8), described platform reticulate pattern (8) is made up of chain-wales (15) and deep trench (16), be positioned at position, firing chamber inset type in the upper end of the internal surface (7) of cylinder liner high-temperature resistant epoxy (14) is installed, establishing one group of water shutoff groove (11) on the waistband (10) down, O RunddichtringO (12) is being installed in the water shutoff groove (11); The cylinder liner material that it is characterized in that this air cylinder sleeve of engine is made up of following weight percentages: C 2.9~3.1, Si 1.8~2.2, Mn0.7~0.9, P 0.1~0.15, S 0.01~0.04, Mo 0.3~0.5, Cu 0.7~0.9, Ni 0.3~0.4, Cr 0.25~0.45, Sb 0.2~0.5, Ti 0.035~0.045, Fe90.815~92.705.
CN200810020672A 2008-02-20 2008-02-20 Ocean vessel engine cylinder jacket and its cylinder liner material Active CN100595429C (en)

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CN100595429C true CN100595429C (en) 2010-03-24

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103541828B (en) * 2012-07-17 2014-10-08 安徽华菱汽车有限公司 Engine and cooling structure of cylinder sleeve and cylinder body of engine
CN114540751A (en) * 2022-03-01 2022-05-27 苏州热工研究院有限公司 Nuclear power emergency diesel generator piston ring and deposition method of lubricating main body layer on piston ring

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2222239Y (en) * 1995-06-29 1996-03-13 郭树鹏 Thin-wall capacity-increasing wet-type cylinder sleeve for diesel engine
US6220214B1 (en) * 1999-03-31 2001-04-24 Nippon Piston Ring Co., Ltd. Cylinder liner formed with cross-hatching grooves
CN2467806Y (en) * 2001-03-20 2001-12-26 扬动股份有限公司 Three-bearing structure between diesel engine body and cylinder packing
US6508240B1 (en) * 2001-09-18 2003-01-21 Federal-Mogul World Wide, Inc. Cylinder liner having EGR coating
CN1837596A (en) * 2006-04-07 2006-09-27 王明泉 Cylinder liner supporting Europe IV discharge standard and material thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2222239Y (en) * 1995-06-29 1996-03-13 郭树鹏 Thin-wall capacity-increasing wet-type cylinder sleeve for diesel engine
US6220214B1 (en) * 1999-03-31 2001-04-24 Nippon Piston Ring Co., Ltd. Cylinder liner formed with cross-hatching grooves
CN2467806Y (en) * 2001-03-20 2001-12-26 扬动股份有限公司 Three-bearing structure between diesel engine body and cylinder packing
US6508240B1 (en) * 2001-09-18 2003-01-21 Federal-Mogul World Wide, Inc. Cylinder liner having EGR coating
CN1837596A (en) * 2006-04-07 2006-09-27 王明泉 Cylinder liner supporting Europe IV discharge standard and material thereof

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Address after: 223100 north side of Hongze Industrial Park, Huaian, Jiangsu

Patentee after: JIANGSU HUACHEN CYLINDER LINER Inc.,Ltd.

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Denomination of invention: Cylinder liner of ocean going ship engine and its material

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Denomination of invention: Engine cylinder liners and their materials for ocean going ships

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