CN105964917A - Full mold casting process - Google Patents
Full mold casting process Download PDFInfo
- Publication number
- CN105964917A CN105964917A CN201610478409.3A CN201610478409A CN105964917A CN 105964917 A CN105964917 A CN 105964917A CN 201610478409 A CN201610478409 A CN 201610478409A CN 105964917 A CN105964917 A CN 105964917A
- Authority
- CN
- China
- Prior art keywords
- cavityless casting
- polystyrene foam
- casting
- parts
- cavityless
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
- B22C9/046—Use of patterns which are eliminated by the liquid metal in the mould
Abstract
The invention discloses a full mold casting process, which is applied for processing a car overlays mold, wherein, polystyrene foam is used to make a casting pattern, and sodium silicate sand is used to make a full mold; and a mould casting is obtained by the processes of pouring, cooling, mold dismantling, cleaning, sand blasting and riser cut-off. The full mold manufactured by the full mold casting process disclosed by the invention achieves the advantages of good formability, low production cost, short processing time, high wearing feature, fatigue resistance and high ability to resist crack propagation.
Description
Technical field
The present invention relates to casting technology field, particularly relate to a kind of cavityless casting technique.
Background technology
In the production of car panel die, it is domestic for substituting wrought alloy mould with casting alloy mould
The development trend of outer automobile die.During car panel die uses, maximum shortcoming is serious wear,
Cause substandard product rate to increase, and it is low to ultimately result in production efficiency.Some automobile large-scale covering is cast
Modeling tool is oversize, and process of setting is more complicated, and technique adjustment difficulty, the R&D cycle is long, technology
Difficulty is big.
Summary of the invention
The invention provides a kind of cavityless casting technique, use cavityless casting technology, select suitably chemistry
The mould steel of composition is poured into a mould, and obtains car panel die foundry goods；The reality that this technique manufactures
Casting die has good moldability, production cost is low, machining period is short, high-wearing feature, resisting fatigue
Property, the feature that resistance to crack extension ability is strong.
Solve the technical problem that required by the present invention and can be achieved through the following technical solutions:
A kind of cavityless casting technique, comprises the following steps:
S1, employing polystyrene foam, as cavityless casting material, are fabricated to polystyrene foam model；
S2, being dissolved in ethanol solution by silica flour and make silica flour coating, polystyrene foam model is brushed
Expect 2-3 time to air-dry hardening；
S3, by S2 polystyrene foam model add sodium silicate molding, ramming also consolidates,
Prick pore on sand mold, blow CO2 gas 5-10 minute, make molding sand be sufficiently hardened, obtain cavityless casting mould
Tool；
S4, use 200kg induction furnace, by pig iron 50-60 part, steel scrap 30-40 part, ferrochrome 2-5
Part, ferromanganese 2-5, molybdenum-iron 1-3 part, vanadium iron 1-3 part, ferrosilicon 1-3 part add in induction furnace, molten
After changing 30-50 minute, with the poly-slag of Slag conglomeration agent and skim, obtain metal melt liquid；
S5, by the metal melt liquid fine aluminium deoxidation in S4, be poured in S3 cavityless casting mould,
Pouring temperature is 1500-1700 DEG C；
S6, casting complete after cooling, shake out, cleaning, sandblasting, excision rising head, obtain molding casting
Part.
Further, in described S3, the particle diameter of water-glass sand is 50-70 mesh.
Further, in described S3, the particle diameter of water-glass sand is 60 mesh.
Further, when described S3 medium casting size is bigger, increases sandbox, increase rising head, make foundry goods
Without shrinkage cavity during final set.
Further, the pig iron 55 parts, steel scrap 35 parts, 3 parts of ferrochrome, ferromanganese 3, molybdenum in described S4
Ferrum 2 parts, vanadium iron 1 part, ferrosilicon 1 part.
Beneficial effects of the present invention: a kind of cavityless casting technique, uses cavityless casting technology, selects suitable
When the mould steel of chemical composition is poured into a mould, obtain car panel die foundry goods；This technique produces
Come cavityless casting mould have good moldability, production cost is low, machining period is short, high-wearing feature,
Fatigue resistance, the feature that resistance to crack extension ability is strong.
Detailed description of the invention
Embodiment 1
When being embodied as, a kind of cavityless casting technique, comprise the following steps:
S1, employing polystyrene foam, as cavityless casting material, are fabricated to polystyrene foam model；
S2, being dissolved in ethanol solution by silica flour and make silica flour coating, polystyrene foam model is brushed
Expect 2-3 time to air-dry hardening；
S3, by S2 polystyrene foam model add sodium silicate molding, the particle diameter of water-glass sand
Being 50 mesh, ramming also consolidates, and pricks pore, blow CO2 gas 5 minutes, make molding sand abundant on sand mold
Hardening, obtains cavityless casting mould；When casting dimension is bigger, increases sandbox, increase rising head, make
Without shrinkage cavity during foundry goods final set；
S4, use 200kg induction furnace, by the pig iron 50 parts, steel scrap 40 parts, 2 parts of ferrochrome, ferromanganese
5, in molybdenum-iron 1 part, vanadium iron 1 part, 3 parts of addition induction furnaces of ferrosilicon, after melting 30 minutes, with poly-
The poly-slag of slag agent is also skimmed, and obtains metal melt liquid；
S5, by the metal melt liquid fine aluminium deoxidation in S4, be poured in S3 cavityless casting mould,
Pouring temperature is 1500 DEG C；
S6, casting complete after cooling, shake out, cleaning, sandblasting, excision rising head, obtain molding casting
Part.
Embodiment 2
When being embodied as, a kind of cavityless casting technique, comprise the following steps:
S1, employing polystyrene foam, as cavityless casting material, are fabricated to polystyrene foam model；
S2, being dissolved in ethanol solution by silica flour and make silica flour coating, polystyrene foam model is brushed
Expect 2-3 time to air-dry hardening；
S3, by S2 polystyrene foam model add sodium silicate molding, the particle diameter of water-glass sand
Being 70 mesh, ramming also consolidates, and pricks pore, blow CO2 gas 10 minutes, make molding sand fill on sand mold
Divide hardening, obtain cavityless casting mould；When casting dimension is bigger, increases sandbox, increase rising head,
Without shrinkage cavity when making foundry goods final set；
S4, use 200kg induction furnace, by the pig iron 60 parts, steel scrap 30 parts, 5 parts of ferrochrome, ferromanganese
2, in molybdenum-iron 3 parts, vanadium iron 3 parts, 1 part of addition induction furnace of ferrosilicon, after melting 50 minutes, with poly-
The poly-slag of slag agent is also skimmed, and obtains metal melt liquid；
S5, by the metal melt liquid fine aluminium deoxidation in S4, be poured in S3 cavityless casting mould,
Pouring temperature is 1700 DEG C；
S6, casting complete after cooling, shake out, cleaning, sandblasting, excision rising head, obtain molding casting
Part.
Embodiment 3
When being embodied as, a kind of cavityless casting technique, comprise the following steps:
S1, employing polystyrene foam, as cavityless casting material, are fabricated to polystyrene foam model；
S2, being dissolved in ethanol solution by silica flour and make silica flour coating, polystyrene foam model is brushed
Expect 2-3 time to air-dry hardening；
S3, by S2 polystyrene foam model add sodium silicate molding, the particle diameter of water-glass sand
Being 60 mesh, ramming also consolidates, and pricks pore, blow CO2 gas 8 minutes, make molding sand abundant on sand mold
Hardening, obtains cavityless casting mould；When casting dimension is bigger, increases sandbox, increase rising head, make
Without shrinkage cavity during foundry goods final set；
S4, use 200kg induction furnace, by the pig iron 55 parts, steel scrap 35 parts, 3 parts of ferrochrome, ferromanganese
3, in molybdenum-iron 2 parts, vanadium iron 1 part, 1 part of addition induction furnace of ferrosilicon, after melting 40 minutes, with poly-
The poly-slag of slag agent is also skimmed, and obtains metal melt liquid；
S5, by the metal melt liquid fine aluminium deoxidation in S4, be poured in S3 cavityless casting mould,
Pouring temperature is 1600 DEG C；
S6, casting complete after cooling, shake out, cleaning, sandblasting, excision rising head, obtain molding casting
Part.
Cavityless casting technique of the present invention, uses cavityless casting technology, selects the mould of suitable chemical composition
Steel is poured into a mould, and obtains car panel die foundry goods；The cavityless casting mould that this technique manufactures
Have good moldability, production cost is low, machining period is short, high-wearing feature, fatigue resistance, anti-crack
The feature that extended capability is strong.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.This
Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and
The principle that the present invention is simply described described in description, before without departing from spirit and scope of the invention
Putting the present invention and also have various changes and modifications, these changes and improvements both fall within claimed basis
In invention scope.Claimed scope is defined by appending claims and equivalent thereof.
Claims (5)
1. a cavityless casting technique, it is characterised in that comprise the following steps:
S1, employing polystyrene foam, as cavityless casting material, are fabricated to polystyrene foam
Model；
S2, silica flour is dissolved in ethanol solution and makes silica flour coating, polystyrene foam model
Swabbing air-dries hardening 2-3 time；
S3, by S2 polystyrene foam model add sodium silicate molding, ramming is also smash
Real, sand mold is pricked pore, blows CO2 gas 5-10 minute, make molding sand be sufficiently hardened,
To cavityless casting mould；
S4, use 200kg induction furnace, by pig iron 50-60 part, steel scrap 30-40 part, ferrochrome
2-5 part, ferromanganese 2-5, molybdenum-iron 1-3 part, vanadium iron 1-3 part, ferrosilicon 1-3 part add sensing
In stove, after melting 30-50 minute, with the poly-slag of Slag conglomeration agent and skim, obtain metal melt liquid；
S5, by the metal melt liquid fine aluminium deoxidation in S4, be poured into S3 cavityless casting mould
In, pouring temperature is 1500-1700 DEG C；
S6, casting complete after cooling, shake out, cleaning, sandblasting, excision rising head, become
Type foundry goods.
2. according to a kind of cavityless casting technique described in claim 1, it is characterised in that: institute
Stating the particle diameter of water-glass sand in S3 is 50-70 mesh.
3. according to a kind of cavityless casting technique described in claim 2, it is characterised in that: institute
Stating the particle diameter of water-glass sand in S3 is 60 mesh.
4. according to a kind of cavityless casting technique described in claim 1, it is characterised in that: institute
State S3 medium casting size bigger time, increase sandbox, increase rising head, when making foundry goods final set
Without shrinkage cavity.
5. according to a kind of cavityless casting technique described in claim 1, it is characterised in that: institute
State the pig iron 55 parts in S4, steel scrap 35 parts, 3 parts of ferrochrome, ferromanganese 3, molybdenum-iron 2 parts, vanadium
Ferrum 1 part, ferrosilicon 1 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610478409.3A CN105964917A (en) | 2016-06-24 | 2016-06-24 | Full mold casting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610478409.3A CN105964917A (en) | 2016-06-24 | 2016-06-24 | Full mold casting process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105964917A true CN105964917A (en) | 2016-09-28 |
Family
ID=57019845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610478409.3A Pending CN105964917A (en) | 2016-06-24 | 2016-06-24 | Full mold casting process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105964917A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790632A (en) * | 2017-10-30 | 2018-03-13 | 太湖县爱杰机械铸造有限公司 | Car panel die casting method |
| CN108637173A (en) * | 2018-05-18 | 2018-10-12 | 江苏京成机械制造有限公司 | A kind of nice foundry sand lost foam casting process |
| CN110430716A (en) * | 2019-06-30 | 2019-11-08 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | The preparation method of efficient soaking plate |
| CN111673046A (en) * | 2020-06-20 | 2020-09-18 | 百色皓海碳素有限公司 | Method for manufacturing novel energy-saving anode steel claw for electrolyzing aluminum |
| CN112301267A (en) * | 2020-03-10 | 2021-02-02 | 青岛万胜和精铸有限公司 | Preparation method and application of precision casting |
| CN113857425A (en) * | 2021-09-01 | 2021-12-31 | 扬州市瑞晟机械铸造有限公司 | Foam full-mold precision casting process of automobile stamping die |
-
2016
- 2016-06-24 CN CN201610478409.3A patent/CN105964917A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790632A (en) * | 2017-10-30 | 2018-03-13 | 太湖县爱杰机械铸造有限公司 | Car panel die casting method |
| CN108637173A (en) * | 2018-05-18 | 2018-10-12 | 江苏京成机械制造有限公司 | A kind of nice foundry sand lost foam casting process |
| CN110430716A (en) * | 2019-06-30 | 2019-11-08 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | The preparation method of efficient soaking plate |
| CN112301267A (en) * | 2020-03-10 | 2021-02-02 | 青岛万胜和精铸有限公司 | Preparation method and application of precision casting |
| CN111673046A (en) * | 2020-06-20 | 2020-09-18 | 百色皓海碳素有限公司 | Method for manufacturing novel energy-saving anode steel claw for electrolyzing aluminum |
| CN113857425A (en) * | 2021-09-01 | 2021-12-31 | 扬州市瑞晟机械铸造有限公司 | Foam full-mold precision casting process of automobile stamping die |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160928 |
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| WD01 | Invention patent application deemed withdrawn after publication |