CN106086616A - A kind of diesel motor cylinder and the material of cylinder cap and manufacturing process thereof - Google Patents
A kind of diesel motor cylinder and the material of cylinder cap and manufacturing process thereof Download PDFInfo
- Publication number
- CN106086616A CN106086616A CN201610683762.5A CN201610683762A CN106086616A CN 106086616 A CN106086616 A CN 106086616A CN 201610683762 A CN201610683762 A CN 201610683762A CN 106086616 A CN106086616 A CN 106086616A
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- CN
- China
- Prior art keywords
- cylinder
- diesel motor
- cylinder cap
- parts
- motor cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/08—Manufacture of cast-iron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
- C22C37/08—Cast-iron alloys containing chromium with nickel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0436—Iron
- F05C2201/0439—Cast iron
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses the material of a kind of diesel motor cylinder and cylinder cap, described diesel motor cylinder and the material of cylinder cap, in terms of mass component: its C2.2 3.8 parts, Si3.0 3.8 parts, Ni2.0 4.0 parts, Mn5.O 6.0 parts, Cu2.5 3.6 parts, Al0.4 0.7 part, Ti0.21 0.26 part, Cr0.05 0.5 part, total impurities≤0.2 part, Fe10 15 parts.The present invention adds a small amount of antimony, evanohm element, makes the intensity of vanadium titanium vermicular cast iron, anti-wear performance and thermal fatigue resistance better than add alloy gray cast-iron and the vanadium titanium casting pig of Ni, Mo alloying element, greatly reduces cost；The present invention use shaping after uniform temperature unpack air cooling with bury sand insulation cooling technology, eliminate and prevent the generation of a small amount of sorbite, acicular constituent, decrease the internal stress of foundry goods, without heat treatment, can directly process use under as cast condition, remarkable in economical benefits improves.
Description
Technical field
The invention belongs to diesel engine technologies field, more specifically, particularly relate to a kind of diesel motor cylinder and
The material of cylinder cap.Meanwhile, the invention still further relates to the manufacturing process of the material of a kind of diesel motor cylinder and cylinder cap.
Background technology
The requirement of tail gas standard and high-performance ratio will continue to promote the development of diesel engine technologies.Higher burning peak pressure
Improve the performance of internal combustion engine and the purification of tail gas, but also add the load of heat and power simultaneously.This is required for from design aspect
Find solution.So the weight that the designers of electromotor are not to increase tradition grey iron or aluminium engine seeks to use
The material of higher-strength, such as vermicular cast iron.The design of new electromotor and the vehicle technology manufacturing 3-4 generation to be supported
Development, thus the material selected not only to meet the requirement in design at present, also must meet engine performance in the future and improve institute
The high material requirement brought, without changing total design.Compared with grey iron or aluminum, the tensile strength of vermicular cast iron is high
75 %, elastic modelling quantity exceeds 40 % and fatigue strength exceeds 100 %, so it is the design of current and future electromotor and property
Ideal material required for improving.
But under prior art processes, there are two hang-ups: a nodulizing rate scope is difficult to control to, under identical working condition, no
Same nodulizing rate difference (extreme difference) processing bag time is likely to be breached 50 ~ 70%, and the extreme difference allowed answers≤30%；B height nodulizing rate is difficult
To obtain, a lot of important compacted ironware such as automobile engine cylinder-bodies, cylinder cap, it is desirable to nodulizing rate >=70% even >=80%.Meanwhile, existing
The fall time having compactedization technology is shorter, causes more molten iron to fail before decline and completes casting, can only melt down and heavily refine.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and a kind of diesel motor cylinder proposed
Material and manufacturing process thereof with cylinder cap.
For achieving the above object, the present invention provides following technical scheme:
A kind of diesel motor cylinder and the material of cylinder cap, described diesel motor cylinder and the material of cylinder cap, with mass component
Meter: its C2.2-3.8 part, Si3.0-3.8 part, Ni2.0-4.0 part, Mn5.O-6.0 part, Cu2.5-3.6 part, Al0.4-0.7 part,
Ti0.21-0.26 part, Cr0.05-0.5 part, total impurities≤0.2 part, Fe10-15 part.
Preferably, described diesel motor cylinder and the material of cylinder cap, in terms of mass component: its C3.0 part, Si3.5 part,
Ni3.0 part, Mn5.5 part, Cu3.0 part, Al0.6 part, total impurities≤0.1 part, Fe13 part.
The present invention also provides for the manufacturing process of the material of diesel motor cylinder and cylinder cap, comprises the steps:
S1, configuring according to a certain percentage, raw-material proportioning is to determine according to without magnetic vermicular cast iron component requirements, wherein the containing of Si
Amount controls in the range of 2.5-3.2%, to ensure that subsequent treatment Si does not exceeds standard；
S2, by vanadium titano-magnetite melt after obtain 1200 DEG C～1400 DEG C of high temperature liquid irons directly proceed to intermediate frequency furnace and carry out melting,
Smelting temperature is more than 1550 DEG C；
Before S3, molten iron are come out of the stove, cast is processed bag 350-450 DEG C and toasts, then by vermiculizer, inovulant and coverture and
Metallic antimony, chromium are placed in the bag end；
S4, air cooling of unpacking are cooled to 800-850 DEG C of unpacking air cooling with burying sand cooling but foundry goods, treat that casting temperature drops to 300-400 DEG C
Bury sand insulation cooling 4-6 hour.
Preferably, described vermiculizer is alloy, and it comprises elemental composition La8-11 part of following weight fraction ratio, Ce
8-12 part, Mg 6-9 part, Ca 4-6 part, Si 35-40 part.
Preferably, described coverture is poly-slag coverture or plant ash.
Preferably, described vermiculizer addition accounts for the 0.35-1.5% of ferrum liquid weight.
The technique effect of the present invention and advantage: the present invention provide a kind of diesel motor cylinder and the material of cylinder cap and
Manufacturing process, compared with conventional art, the invention have the advantages that
(1) vermiculizer of the improvement described in is while improving vermiculation effect further, reducing nodulizing rate extreme difference, it is also possible to control
Vermiculizer and the response speed of molten iron, delay its degenerative process, and that reduces molten iron melts down rate；
(2) add a small amount of antimony, evanohm element, make the intensity of vanadium titanium vermicular cast iron, anti-wear performance and thermal fatigue resistance all
It is better than adding alloy gray cast-iron and the vanadium titanium casting pig of Ni, Mo alloying element, greatly reduces cost；
(3) after the shaping that the present invention uses, uniform temperature unpacks air cooling and the insulation cooling technology that buries sand, eliminates and prevents a small amount of
Sorbite, the generation of acicular constituent, decrease the internal stress of foundry goods, without heat treatment, can directly process use under as cast condition,
Remarkable in economical benefits improves.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.Based on the embodiment in the present invention, those of ordinary skill in the art are not before making creative work
Put the every other embodiment obtained, broadly fall into the scope of protection of the invention.
Embodiment 1
A kind of diesel motor cylinder and the material of cylinder cap, described diesel motor cylinder and the material of cylinder cap, with mass component
Meter: its C2.2 part, Si3.0 part, Ni2.0 part, Mn5.O part, Cu2.5 part, Al0.4 part, Ti0.21 part, Cr0.05 part, impurity are total
Measure≤0.15 part, Fe10 part.
The present invention also provides for the manufacturing process of the material of diesel motor cylinder and cylinder cap, comprises the steps:
S1, configuring according to a certain percentage, raw-material proportioning is to determine according to without magnetic vermicular cast iron component requirements, wherein the containing of Si
Amount controls in the range of 2.5%, to ensure that subsequent treatment Si does not exceeds standard；
S2, vanadium titano-magnetite is melted after 1200 DEG C of DEG C of high temperature liquid irons obtaining directly proceed to intermediate frequency furnace and carry out melting, melting temperature
Spend 1560 DEG C；
Before S3, molten iron are come out of the stove, cast is processed bag 350 DEG C and toasts, then by vermiculizer, inovulant and coverture and metal
Antimony, chromium are placed in the bag end；Described vermiculizer is alloy, and it comprises elemental composition La8 part of following weight fraction ratio, Ce 8 parts, Mg
6 parts, Ca 4 parts, Si 35 parts；Vermiculizer addition accounts for the 0.35% of ferrum liquid weight；
S4, air cooling of unpacking are cooled to 800-850 DEG C of unpacking air cooling with burying sand cooling but foundry goods, treat that casting temperature drops to 300-400 DEG C
Bury sand insulation cooling 4.2 hours.
Embodiment 2
A kind of diesel motor cylinder and the material of cylinder cap, described diesel motor cylinder and the material of cylinder cap, with mass component
Meter: its C3.0 part, Si3.5 part, Ni3.0 part, Mn5.5 part, Cu3.0 part, Al0.6 part, Ti0.25 part, Cr0.08 part, impurity are total
Measure≤0.1 part, Fe13 part.
The present invention also provides for the manufacturing process of the material of diesel motor cylinder and cylinder cap, comprises the steps:
S1, configuring according to a certain percentage, raw-material proportioning is to determine according to without magnetic vermicular cast iron component requirements, wherein the containing of Si
Amount controls in the range of 2.9%, to ensure that subsequent treatment Si does not exceeds standard；
S2, vanadium titano-magnetite is melted after 1350 DEG C of high temperature liquid irons obtaining directly proceed to intermediate frequency furnace and carry out melting, smelting temperature
1600℃ ；
Before S3, molten iron are come out of the stove, cast is processed bag 420 DEG C and toasts, then by vermiculizer, inovulant and coverture and metal
Antimony, chromium are placed in the bag end；Described vermiculizer is alloy, its comprise elemental composition La10 part of following weight fraction ratio, Ce 11 parts,
Mg 8 parts, Ca 5 parts, Si 36 parts；Vermiculizer addition accounts for the 1.2% of ferrum liquid weight；
S4, air cooling of unpacking are cooled to 800 DEG C of unpacking air coolings with burying sand cooling but foundry goods, treat that casting temperature drops to 160 DEG C and buries sand insulation
Cool down 5 hours.
Embodiment 3
A kind of diesel motor cylinder and the material of cylinder cap, described diesel motor cylinder and the material of cylinder cap, with mass component
Meter: its C3.8 part, Si3.8 part, Ni4.0 part, Mn6.0 part, Cu3.6 part, Al0.7 part, Ti0.26 part, Cr0.5 part, total impurities
≤ 0.1 part, Fe15 part.
The present invention also provides for the manufacturing process of the material of diesel motor cylinder and cylinder cap, comprises the steps:
S1, configuring according to a certain percentage, raw-material proportioning is to determine according to without magnetic vermicular cast iron component requirements, wherein the containing of Si
Amount controls in the range of 3.2%, to ensure that subsequent treatment Si does not exceeds standard；
S2, vanadium titano-magnetite is melted after 1400 DEG C of high temperature liquid irons obtaining directly proceed to intermediate frequency furnace and carry out melting, smelting temperature
1650℃ ；
Before S3, molten iron are come out of the stove, cast is processed bag 450 DEG C and toasts, then by vermiculizer, inovulant and coverture and metal
Antimony, chromium are placed in the bag end；Described vermiculizer is alloy, and it comprises elemental composition La11 part of following weight fraction ratio, Ce 12
Part, Mg 9 parts, Ca 6 parts, Si 40 parts；Vermiculizer addition accounts for the 1.5% of ferrum liquid weight；
S4, air cooling of unpacking are cooled to 800-850 DEG C of unpacking air cooling with burying sand cooling but foundry goods, treat that casting temperature drops to 300-400 DEG C
Bury sand insulation cooling 4-6 hour.
In sum:
(1) vermiculizer of the improvement described in is while improving vermiculation effect further, reducing nodulizing rate extreme difference, it is also possible to control
Vermiculizer and the response speed of molten iron, delay its degenerative process, and that reduces molten iron melts down rate；
(2) add a small amount of antimony, evanohm element, make the intensity of vanadium titanium vermicular cast iron, anti-wear performance and thermal fatigue resistance all
It is better than adding alloy gray cast-iron and the vanadium titanium casting pig of Ni, Mo alloying element, greatly reduces cost；
(3) after the shaping that the present invention uses, uniform temperature unpacks air cooling and the insulation cooling technology that buries sand, eliminates and prevents a small amount of
Sorbite, the generation of acicular constituent, decrease the internal stress of foundry goods, without heat treatment, can directly process use under as cast condition,
Remarkable in economical benefits improves.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent,
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (6)
1. a diesel motor cylinder and the material of cylinder cap, it is characterised in that: described diesel motor cylinder and the material of cylinder cap
Material, in terms of mass component: its C2.2-3.8 part, Si3.0-3.8 part, Ni2.0-4.0 part, Mn5.O-6.0 part, Cu2.5-3.6 part,
Al0.4-0.7 part, Ti0.21-0.26 part, Cr0.05-0.5 part, total impurities≤0.2 part, Fe10-15 part.
A kind of diesel motor cylinder the most according to claim 1 and the material of cylinder cap, it is characterised in that: described diesel oil is sent out
Motivation cylinder body and the material of cylinder cap, in terms of mass component: its C3.0 part, Si3.5 part, Ni3.0 part, Mn5.5 part, Cu3.0 part,
Al0.6 part, total impurities≤0.1 part, Fe13 part.
3. the manufacturing process of the material of diesel motor cylinder described in a claim 1 and cylinder cap, it is characterised in that: include
Following steps:
S1, configuring according to a certain percentage, raw-material proportioning is to determine according to without magnetic vermicular cast iron component requirements, wherein the containing of Si
Amount controls in the range of 2.5-3.2%, to ensure that subsequent treatment Si does not exceeds standard；
S2, by vanadium titano-magnetite melt after obtain 1200 DEG C～1400 DEG C of high temperature liquid irons directly proceed to intermediate frequency furnace and carry out melting,
Smelting temperature is more than 1550 DEG C；
Before S3, molten iron are come out of the stove, cast is processed bag 350-450 DEG C and toasts, then by vermiculizer, inovulant and coverture and
Metallic antimony, chromium are placed in the bag end；
S4, air cooling of unpacking are cooled to 800-850 DEG C of unpacking air cooling with burying sand cooling but foundry goods, treat that casting temperature drops to 300-400 DEG C
Bury sand insulation cooling 4-6 hour.
The manufacturing process of the material of a kind of diesel motor cylinder the most according to claim 3 and cylinder cap, it is characterised in that:
Described vermiculizer is alloy, its comprise elemental composition La8-11 part of following weight fraction ratio, Ce 8-12 part, Mg 6-9 part,
Ca 4-6 part, Si 35-40 part.
The manufacturing process of the material of a kind of diesel motor cylinder the most according to claim 3 and cylinder cap, it is characterised in that:
Described coverture is poly-slag coverture or plant ash.
The manufacturing process of the material of a kind of diesel motor cylinder the most according to claim 3 and cylinder cap, it is characterised in that:
Described vermiculizer addition accounts for the 0.35-1.5% of ferrum liquid weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683762.5A CN106086616A (en) | 2016-08-18 | 2016-08-18 | A kind of diesel motor cylinder and the material of cylinder cap and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683762.5A CN106086616A (en) | 2016-08-18 | 2016-08-18 | A kind of diesel motor cylinder and the material of cylinder cap and manufacturing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106086616A true CN106086616A (en) | 2016-11-09 |
Family
ID=58070115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610683762.5A Pending CN106086616A (en) | 2016-08-18 | 2016-08-18 | A kind of diesel motor cylinder and the material of cylinder cap and manufacturing process thereof |
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| CN (1) | CN106086616A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108754297A (en) * | 2018-08-21 | 2018-11-06 | 中车大连机车车辆有限公司 | A kind of vermicular cast iron of seawater corrosion resistance and preparation method thereof |
| CN110343941A (en) * | 2019-08-22 | 2019-10-18 | 湖北玛尔帕斯动力科技有限公司 | A kind of vermicular cast iron manufacturing process for automobile engine |
| CN114525446A (en) * | 2022-02-23 | 2022-05-24 | 扬州晶玖汽车配件有限公司 | Novel alloy gray cast iron material for engine cylinder and preparation method thereof |
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| JP2002180176A (en) * | 2000-12-06 | 2002-06-26 | Nippon Steel Corp | High alloy grain cast iron material for hot rolling roll made by centrifugal casting |
| JP2008156688A (en) * | 2006-12-22 | 2008-07-10 | Jfe Steel Kk | High strength spheroidal graphite cast iron |
| CN101381838A (en) * | 2008-10-17 | 2009-03-11 | 河南省中原内配股份有限公司 | Vermicular cast iron cylinder liner and preparation method thereof |
| CN103643107A (en) * | 2013-12-06 | 2014-03-19 | 李明弟 | Non-magnetic vermicular graphite cast iron material |
-
2016
- 2016-08-18 CN CN201610683762.5A patent/CN106086616A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002180176A (en) * | 2000-12-06 | 2002-06-26 | Nippon Steel Corp | High alloy grain cast iron material for hot rolling roll made by centrifugal casting |
| JP2008156688A (en) * | 2006-12-22 | 2008-07-10 | Jfe Steel Kk | High strength spheroidal graphite cast iron |
| CN101381838A (en) * | 2008-10-17 | 2009-03-11 | 河南省中原内配股份有限公司 | Vermicular cast iron cylinder liner and preparation method thereof |
| CN103643107A (en) * | 2013-12-06 | 2014-03-19 | 李明弟 | Non-magnetic vermicular graphite cast iron material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108754297A (en) * | 2018-08-21 | 2018-11-06 | 中车大连机车车辆有限公司 | A kind of vermicular cast iron of seawater corrosion resistance and preparation method thereof |
| CN108754297B (en) * | 2018-08-21 | 2019-08-13 | 中车大连机车车辆有限公司 | A kind of vermicular cast iron of seawater corrosion resistance and preparation method thereof |
| CN110343941A (en) * | 2019-08-22 | 2019-10-18 | 湖北玛尔帕斯动力科技有限公司 | A kind of vermicular cast iron manufacturing process for automobile engine |
| CN114525446A (en) * | 2022-02-23 | 2022-05-24 | 扬州晶玖汽车配件有限公司 | Novel alloy gray cast iron material for engine cylinder and preparation method thereof |
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Application publication date: 20161109 |
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