CN109759565A - A kind of cylinder jacket for automobile engine - Google Patents
A kind of cylinder jacket for automobile engine Download PDFInfo
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- CN109759565A CN109759565A CN201910073924.7A CN201910073924A CN109759565A CN 109759565 A CN109759565 A CN 109759565A CN 201910073924 A CN201910073924 A CN 201910073924A CN 109759565 A CN109759565 A CN 109759565A
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Abstract
The present invention provides a kind of cylinder jacket for automobile engine, the cylinder jacket includes phosphorus cast iron layer, intermediate permeable formation and boron cast iron layer, phosphorus cast iron layer is located at outer layer, boron cast iron layer is located at internal layer, wherein phosphorus cast iron layer with a thickness of 3.2-4.6mm, intermediate permeable formation with a thickness of 1.0-1.6mm, boron cast iron layer with a thickness of 0.6-1.8mm；Cylinder jacket of the invention uses the composite construction of outer layer phosphorus cast iron and internal layer boron cast iron, the wherein structure based on phosphorus cast iron, the outer wall of phosphorus cast iron has good Corrosion Protection, extends cylinder jacket service life, and inner wall has good wear-resisting property using boron cast iron.
Description
Technical field
The present invention relates to parking equipment technical field, especially a kind of cylinder jacket for automobile engine.
Background technique
Cylinder jacket is one of key part of engine, and the etching problem of wet liner outer wall can shorten it and use the longevity
Life, and cylinder liner internal wall is high to wear-resisting property requirement.Cylinder jacket in the prior art generally use gray cast iron, phosphorus cast iron or
Boron cast iron material, wherein boron cast-iron cylinder jacket wear-resisting property is best, and price is more expensive, but corrosion resistance is limited.Currently, both at home and abroad
Cylinder sleeve cast iron products nearly all develop to low emission direction, wear-resisting, the corrosion resistant of the use of EGR to in-engine cylinder jacket
Requirement it is higher.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of cylinder jacket for automobile engine, specific technical solutions
It is:
A kind of cylinder jacket for automobile engine, the cylinder jacket include phosphorus cast iron layer, intermediate permeable formation and boron cast iron layer, phosphorus
Cast iron layer is located at outer layer, and boron cast iron layer is located at internal layer, wherein phosphorus cast iron layer with a thickness of 3.2-4.6mm, the thickness of intermediate permeable formation
Degree be 1.0-1.6mm, boron cast iron layer with a thickness of 0.6-1.8mm；
The phosphorus cast iron layer at being grouped into C3.0-3.3%, Si2.1-2.4%, P0.3-0.6%, S < 0.1%, Mn0.4-0.6%,
Mo0.1-0.3%, the surplus pig iron；
Intermediate permeable formation at being grouped into C2.8-3.2%, Si2.2-2.5%, P0.2-0.4%, S < 0.1%, Mn0.3-0.6%,
Mo0.1-0.3%, Ni0.1 ~ 0.6%, Cu0.1 ~ 0.8%, B0.01 ~ 0.04%, the surplus pig iron；
Boron cast iron layer at be grouped into C2.5 ~ 3.0%, Si 2.3 ~ 2.6%, P0.1% ~ 0.3%, S < 0.1%, Mn0.5 ~ 1.2%,
Mo0.3 ~ 1.5%, Ni0.3 ~ 1.5%, Cu0.3 ~ 1.2%, B0.01 ~ 0.08%, the surplus pig iron；
The preparation method of the cylinder jacket the following steps are included:
1) ferrophosphorus raw material is prepared, ferrophosphorus liquid is obtained after melting, is added before coming out of the stove at the inovulant of iron liquid weight 0.55~0.65%
Reason；
2) ferrophosphorus raw material is prepared, ferro-boron liquid is obtained after melting, is added before coming out of the stove at the inovulant of 0.55~0 .65% of iron liquid weight
Reason；
3) outer layer centrifugal casting is first carried out using the ferrophosphorus liquid that step 1) obtains, then is carried out using the ferro-boron iron liquid that step 2 obtains
Internal layer centrifugal casting, obtains liner blank；
4) liner blank is post-processed to obtain cylinder jacket.
Further, layer centrifugally cast cast temperature in step 3) China and foreign countries is 1450-1490 DEG C, after being spaced 1-3min clock,
Internal layer centrifugal casting is carried out again, and the centrifugally cast cast temperature of internal layer is 1470-1500 DEG C.
Further, the cylinder jacket outer wall is equipped with multiple spiral shape protrusions, multiple spiral salient edges below band
The setting of outer circle weekly interval, height of projection are not more than 0.5mm.
Beneficial point of the invention is: cylinder jacket of the invention uses the composite junction of outer layer phosphorus cast iron and internal layer boron cast iron
Structure, wherein the structure based on phosphorus cast iron, the outer wall of phosphorus cast iron has good Corrosion Protection, extends cylinder jacket and uses the longevity
Life, and inner wall has good wear-resisting property using boron cast iron.In addition, the temperature cast in internal layer casting using slightly above outer layer
Degree is conducive to the infiltration of phosphorus cast iron layer, and when boron cast iron is cast, borocarbide generates around iron phosphide eutectic, can be further
Improve the corrosion-resistant and wear-resisting property of cylinder liner internal wall.
It being directed to and implements the problem of cylinder jacket outer wall is also easy to produce cavitation pitting, the present invention adds a circle spiral shape protrusion in outer wall,
It can play the role of flow-disturbing to cooling water, mitigate impact of the cooling water to outer wall, to avoid the formation of cavitation pitting.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of cylinder jacket in the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Embodiment 1
Such as Fig. 1, a kind of cylinder jacket for automobile engine, the cylinder jacket includes phosphorus cast iron layer, intermediate permeable formation and boron casting
Iron layer, phosphorus cast iron layer are located at outer layer, and boron cast iron layer is located at internal layer, wherein phosphorus cast iron layer with a thickness of 3.2mm, intermediate permeable formation
With a thickness of 1.6mm, boron cast iron layer with a thickness of 0.6mm；
The phosphorus cast iron layer at being grouped into C3.0%, Si2.4%, P0.6%, S0.05%, Mn0.4%, Mo0.1%, the surplus pig iron；
Intermediate permeable formation at being grouped into C2.8%, Si2.5%, P0.4%, S0.04%, Mn0.6%, Mo0.3%, Ni0.1%,
Cu0.1%, B0.01%, the surplus pig iron；
Boron cast iron layer at be grouped into C2.5%, Si 2.6%, P0.3%, S0.04%, Mn1.2%, Mo1.5%, Ni0.3%,
Cu0.3%, B0.01%, the surplus pig iron；
The preparation method of the cylinder jacket the following steps are included:
1) ferrophosphorus raw material is prepared, ferrophosphorus liquid is obtained after melting, the inovulant processing of iron liquid weight 0.55% is added before coming out of the stove；
2) ferrophosphorus raw material is prepared, ferro-boron liquid is obtained after melting, the inovulant processing of iron liquid weight 0.55% is added before coming out of the stove；
3) outer layer centrifugal casting is first carried out using the ferrophosphorus liquid that step 1) obtains, then is carried out using the ferro-boron iron liquid that step 2 obtains
Internal layer centrifugal casting, obtains liner blank；
4) liner blank is post-processed to obtain cylinder jacket.
, layer centrifugally cast cast temperature in step 3) China and foreign countries is 1450 DEG C, after being spaced 1min clock, then carries out internal layer centrifugation and pours
Casting, the centrifugally cast cast temperature of internal layer are 1470 DEG C.
Embodiment 2
Such as Fig. 1, a kind of cylinder jacket for automobile engine, the cylinder jacket includes phosphorus cast iron layer, intermediate permeable formation and boron casting
Iron layer, phosphorus cast iron layer are located at outer layer, and boron cast iron layer is located at internal layer, wherein phosphorus cast iron layer with a thickness of 4.6mm, intermediate permeable formation
With a thickness of 1.0mm, boron cast iron layer with a thickness of 1.8mm；
The phosphorus cast iron layer at being grouped into C3.3%, Si2.1%, P0.3%, S0.06%, Mn0.4%, Mo0.3%, the surplus pig iron；
Intermediate permeable formation at being grouped into C3.2%, Si2.2%, P0.2%, S0.05%, Mn0.6%, Mo0.3%, Ni0.6%,
Cu0.8%, B0.04%, the surplus pig iron；
Boron cast iron layer at be grouped into C3.0%, Si 2.3%, P0.1%%, S0.05%, Mn1.2%, Mo1.5%, Ni1.5%,
Cu1.2%, B0.08%, the surplus pig iron；
The preparation method of the cylinder jacket the following steps are included:
1) ferrophosphorus raw material is prepared, ferrophosphorus liquid is obtained after melting, the inovulant processing of iron liquid weight 0.60% is added before coming out of the stove；
2) ferrophosphorus raw material is prepared, ferro-boron liquid is obtained after melting, the inovulant processing of iron liquid weight 0.60% is added before coming out of the stove；
3) outer layer centrifugal casting is first carried out using the ferrophosphorus liquid that step 1) obtains, then is carried out using the ferro-boron iron liquid that step 2 obtains
Internal layer centrifugal casting, obtains liner blank；
4) liner blank is post-processed to obtain cylinder jacket.
, layer centrifugally cast cast temperature in step 3) China and foreign countries is 1490 DEG C, after being spaced 2min clock, then carries out internal layer centrifugation and pours
Casting, the centrifugally cast cast temperature of internal layer are 1500 DEG C.
Such as Fig. 1, a kind of cylinder jacket for automobile engine, the cylinder jacket include phosphorus cast iron layer, intermediate permeable formation and
Boron cast iron layer, phosphorus cast iron layer are located at outer layer, and boron cast iron layer is located at internal layer, wherein phosphorus cast iron layer with a thickness of 4.0mm, centre infiltration
Layer with a thickness of 1.3mm, boron cast iron layer with a thickness of 1.2mm；
The phosphorus cast iron layer at being grouped into C3.2%, Si2.2%, P0.5%, S0.07%, Mn0.5%, Mo0.2%, the surplus pig iron；
Intermediate permeable formation at being grouped into C3.0%, Si2.4%, P0.3%, S0.08%, Mn0.5%, Mo0.3%, Ni0.4%,
Cu0.5%, B0.03%, the surplus pig iron；
Boron cast iron layer at be grouped into C2.8%, Si 2.5%, P0.2%, S0.06%, Mn0.8%, Mo0.8%, Ni0.8%,
Cu0.8%, B0.05%, the surplus pig iron；
The preparation method of the cylinder jacket the following steps are included:
1) ferrophosphorus raw material is prepared, ferrophosphorus liquid is obtained after melting, the inovulant processing of iron liquid weight 0.65% is added before coming out of the stove；
2) ferrophosphorus raw material is prepared, ferro-boron liquid is obtained after melting, the inovulant processing of 0 .65% of iron liquid weight is added before coming out of the stove；
3) outer layer centrifugal casting is first carried out using the ferrophosphorus liquid that step 1) obtains, then is carried out using the ferro-boron iron liquid that step 2 obtains
Internal layer centrifugal casting, obtains liner blank；
4) liner blank is post-processed to obtain cylinder jacket.
, layer centrifugally cast cast temperature in step 3) China and foreign countries is 1470 DEG C, after being spaced 3min clock, then carries out internal layer centrifugation and pours
Casting, the centrifugally cast cast temperature of internal layer are 1480 DEG C.
Embodiment 4
On the basis of the scheme of embodiment 1-3, such as Fig. 1, it is convex that the cylinder jacket outer wall is equipped with multiple spiral shapes below band
It rises, multiple spiral salients are arranged along outer circle weekly interval, and height of projection is not more than 0.5mm.It is pre- that the protrusion, which can be centrifugal casting,
The processing capacity of raised position is stayed, then is obtained by post-production.
Claims (3)
1. a kind of cylinder jacket for automobile engine, it is characterised in that: the cylinder jacket includes phosphorus cast iron layer, intermediate permeable formation
With boron cast iron layer, phosphorus cast iron layer is located at outer layer, and boron cast iron layer is located at internal layer, wherein phosphorus cast iron layer with a thickness of 3.2-4.6mm, in
Between permeable formation with a thickness of 1.0-1.6mm, boron cast iron layer with a thickness of 0.6-1.8mm；
The phosphorus cast iron layer at being grouped into C3.0-3.3%, Si2.1-2.4%, P0.3-0.6%, S < 0.1%, Mn0.4-0.6%,
Mo0.1-0.3%, the surplus pig iron；
Intermediate permeable formation at being grouped into C2.8-3.2%, Si2.2-2.5%, P0.2-0.4%, S < 0.1%, Mn0.3-0.6%,
Mo0.1-0.3%, Ni0.1 ~ 0.6%, Cu0.1 ~ 0.8%, B0.01 ~ 0.04%, the surplus pig iron；
Boron cast iron layer at be grouped into C2.5 ~ 3.0%, Si 2.3 ~ 2.6%, P0.1% ~ 0.3%, S < 0.1%, Mn0.5 ~ 1.2%,
Mo0.3 ~ 1.5%, Ni0.3 ~ 1.5%, Cu0.3 ~ 1.2%, B0.01 ~ 0.08%, the surplus pig iron；
The preparation method of the cylinder jacket the following steps are included:
1) ferrophosphorus raw material is prepared, ferrophosphorus liquid is obtained after melting, is added before coming out of the stove at the inovulant of iron liquid weight 0.55~0.65%
Reason；
2) ferrophosphorus raw material is prepared, ferro-boron liquid is obtained after melting, is added before coming out of the stove at the inovulant of 0.55~0 .65% of iron liquid weight
Reason；
3) outer layer centrifugal casting is first carried out using the ferrophosphorus liquid that step 1) obtains, then is carried out using the ferro-boron iron liquid that step 2 obtains
Internal layer centrifugal casting, obtains liner blank；
4) liner blank is post-processed to obtain cylinder jacket.
2. the cylinder jacket according to claim 1 for automobile engine, it is characterised in that: the step 3) China and foreign countries leafing heart pours
The cast temperature of casting is 1450-1490 DEG C, after being spaced 1-3min clock, then carries out internal layer centrifugal casting, internal layer is centrifugally cast to be poured
Casting temperature is 1470-1500 DEG C.
3. the cylinder jacket according to claim 1 for automobile engine, it is characterised in that: the cylinder jacket outer wall is along close
Envelope band lower section is equipped with multiple spiral shape protrusions, and multiple spiral salients are arranged along outer circle weekly interval, and height of projection is not more than 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073924.7A CN109759565B (en) | 2019-01-25 | 2019-01-25 | Cylinder sleeve for automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073924.7A CN109759565B (en) | 2019-01-25 | 2019-01-25 | Cylinder sleeve for automobile engine |
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| Publication Number | Publication Date |
|---|---|
| CN109759565A true CN109759565A (en) | 2019-05-17 |
| CN109759565B CN109759565B (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910073924.7A Active CN109759565B (en) | 2019-01-25 | 2019-01-25 | Cylinder sleeve for automobile engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110923564A (en) * | 2019-12-17 | 2020-03-27 | 赵明 | Wear-resistant cylinder sleeve and manufacturing method thereof |
Citations (4)
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| CN1342536A (en) * | 2001-07-23 | 2002-04-03 | 曾凡苏 | Technology for manufacturing structural member of composite material and cylinder sleeve of drilling pump |
| JP2002122043A (en) * | 2000-10-13 | 2002-04-26 | Kubota Corp | Double-layer cylinder liner |
| CN102527978A (en) * | 2012-03-02 | 2012-07-04 | 华南理工大学 | Casting and forming method for double-layer-material engine cylinder liner |
| RU2665862C1 (en) * | 2017-08-15 | 2018-09-04 | Общество с ограниченной ответственностью "ОЗНА - Октябрьский механический завод" | Cast-iron cylinder bushing blank manufacturing method by the centrifugal casting method |
-
2019
- 2019-01-25 CN CN201910073924.7A patent/CN109759565B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002122043A (en) * | 2000-10-13 | 2002-04-26 | Kubota Corp | Double-layer cylinder liner |
| CN1342536A (en) * | 2001-07-23 | 2002-04-03 | 曾凡苏 | Technology for manufacturing structural member of composite material and cylinder sleeve of drilling pump |
| CN102527978A (en) * | 2012-03-02 | 2012-07-04 | 华南理工大学 | Casting and forming method for double-layer-material engine cylinder liner |
| RU2665862C1 (en) * | 2017-08-15 | 2018-09-04 | Общество с ограниченной ответственностью "ОЗНА - Октябрьский механический завод" | Cast-iron cylinder bushing blank manufacturing method by the centrifugal casting method |
Non-Patent Citations (3)
| Title |
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| 刘云溥 董显明: "《发动机铸造工艺及装备调试》", 31 July 2015, 西南交通大学出版社 * |
| 李晓村: "《内燃机车柴油机》", 31 January 2008, 中国铁道出版社 * |
| 王晓江: "《铸造合金及其熔炼》", 31 October 1999, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110923564A (en) * | 2019-12-17 | 2020-03-27 | 赵明 | Wear-resistant cylinder sleeve and manufacturing method thereof |
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| CN109759565B (en) | 2020-12-29 |
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