CN108044059A - A kind of brushing method of the evaporative pattern of Technology for Air-Conditioner Compressor Stand - Google Patents
A kind of brushing method of the evaporative pattern of Technology for Air-Conditioner Compressor Stand Download PDFInfo
- Publication number
- CN108044059A CN108044059A CN201711297968.5A CN201711297968A CN108044059A CN 108044059 A CN108044059 A CN 108044059A CN 201711297968 A CN201711297968 A CN 201711297968A CN 108044059 A CN108044059 A CN 108044059A
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- CN
- China
- Prior art keywords
- parts
- coating
- high intensity
- powder
- technology
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- 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
- B22C23/00—Tools; Devices not mentioned before for moulding
- B22C23/02—Devices for coating moulds or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
-
- 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
Abstract
A kind of brushing method of the evaporative pattern of Technology for Air-Conditioner Compressor Stand, belongs to casting field.Step is as follows：Auxiliary coating, the re-coating first layer high intensity coating after the drying of auxiliary coating after the drying of first layer high intensity coating, are coated with second layer high intensity coating, after the drying of second layer high intensity coating, are coated with the auxiliary coating of the second layer for the first time for coating first；The proportioning of auxiliary coating by parts by weight following material composition：25 parts of polyvinyl butyral, 60 80 parts of ethyl alcohol, 10 15 parts of flake graphite in powder, flake graphite in powder specification are 320 mesh；High intensity coating formula by parts by weight following material composition：15 20 parts of resin, 24 parts of curing agent, 5 10 parts of ethyl alcohol, 30 45 parts of flake graphite in powder, 10 15 parts of bentonite, 36 parts of foaming agent.The defects of coating of the present invention has the characteristics that high intensity, highly-breathable, and brushing method of the invention can obtain superior in quality casting, and cast(ing) surface is bright, smooth, without scab, elephant skin, suitable for the casting of the evaporative pattern of Technology for Air-Conditioner Compressor Stand.
Description
Technical field
The invention belongs to casting fields, are specially a kind of brushing method of the evaporative pattern of Technology for Air-Conditioner Compressor Stand.
Background technology
Lost foam casting be by with the identical plastic foam model of casting dimension shape and phase same material made of pour
Runner system bonding is combined into model cluster, after brushing lost foam paint and drying, is embedded in vibration ramming in the dry sand of special shape mo(u)lding box
Moulding connects special shape mo(u)lding box with vacuum equipment and vacuumizes, and keeps pouring into a mould high-temperature liquid metal under conditions of certain negative pressure in casting mold,
Model is made to melt and gasify, decomposition product is escaped by coating/mold―metal interface, and liquid metal occupies modal position, and solidification is cold
But a kind of casting method of casting is formed.Lost foam casting have casting dimension accuracy is high, pollution less, the protrusion such as at low cost it is excellent
Point is known as " foundry engieerings in 21st century " and " green revolution of foundary industry "；Coating is lost foam casting success
One of three big crucial technological factors for production, it is the key that ensure surface quality of continuous castings and prevent various defects to arrange
Apply, the property and brushing method of coating not only influence the gasification of apperance and the migration of gas, but also with surface quality of continuous castings, surface
Defect, casting accuracy or even the internal quality of casting etc. are all closely related.
The content of the invention
In view of the deficiencies of the prior art, it is an object of the invention to provide a kind of brushes of the evaporative pattern of Technology for Air-Conditioner Compressor Stand
Coating method.
The brushing method of the evaporative pattern of a kind of Technology for Air-Conditioner Compressor Stand, it is characterised in that step is as follows：It applies first
Auxiliary coating for the first time is covered, first layer high intensity coating is coated with after the drying of auxiliary coating, after the drying of first layer high intensity coating,
Second layer high intensity coating is coated with, after the drying of second layer high intensity coating, is coated with the auxiliary coating of the second layer；
The proportioning of the auxiliary coating by parts by weight following material composition：2-5 parts of polyvinyl butyral, 60-80 parts of ethyl alcohol,
10-15 parts of flake graphite in powder, the flake graphite in powder specification are 320 mesh；
The high intensity coating formula by parts by weight following material composition：15-20 parts of resin, 2-4 parts of curing agent, ethyl alcohol 5-
10 parts, 30-45 parts of flake graphite in powder, 10-15 parts of bentonite, 3-6 parts of foaming agent, the flake graphite in powder specification be 320 mesh.
A kind of brushing method of the evaporative pattern of Technology for Air-Conditioner Compressor Stand, it is characterised in that the proportioning of the auxiliary coating
By the following material composition of parts by weight：4 parts of polyvinyl butyral, 70 parts of ethyl alcohol, 13 parts of flake graphite in powder, the sheet stone
Ink powder specification is 320 mesh.
The brushing method of the evaporative pattern of a kind of Technology for Air-Conditioner Compressor Stand, it is characterised in that the high intensity coating is matched somebody with somebody
Than the following material composition by parts by weight：16-18 parts of resin, 3 parts of curing agent, 6-8 parts of ethyl alcohol, 35-40 parts of flake graphite in powder,
11-14 parts of bentonite, 4.5-5.5 parts of foaming agent.
The brushing method of the evaporative pattern of a kind of Technology for Air-Conditioner Compressor Stand, it is characterised in that the high intensity coating is every
The thickness of layer is 0.2-0.3 millimeters.
The brushing method of the evaporative pattern of a kind of Technology for Air-Conditioner Compressor Stand, it is characterised in that the ethyl alcohol is industrial second
Alcohol.
The brushing method of the evaporative pattern of a kind of Technology for Air-Conditioner Compressor Stand, it is characterised in that the bentonite is industry
Grade, the foaming agent are technical grade.
The present invention high intensity coating using thermosetting resin as binding agent, flake graphite in powder be Main Refractory configuration and
Into no matter being respectively provided with higher intensity at room temperature or at high temperature, the dried coating performance of coating see the table below：
The auxiliary coating of the present invention is a kind of alcohol radical quick drying paint, can cross the surface quality for improving casting, prevent casting scab
Phenomenon.
The present invention has the advantages that compared with prior art：The coating of the present invention has high intensity, highly-breathable
Feature, brushing method of the invention can obtain superior in quality casting, and cast(ing) surface is bright, smooth, accurate size, without viscous
The defects of sand, elephant skin, suitable for the casting of the evaporative pattern of Technology for Air-Conditioner Compressor Stand.
Unless otherwise stated, others are weight percentage to percentage composition involved in present specification.
Specific embodiment
Below by way of specific embodiment, the invention will be further described.
Embodiment 1
Coating first time auxiliary coating first, is coated with first layer high intensity coating after the drying of auxiliary coating, treats first layer high intensity
After coating drying, second layer high intensity coating is coated with, the thickness of every layer of high intensity coating is 0.2-0.3 millimeters, treats the second layer
After the drying of high intensity coating, the auxiliary coating of the second layer is coated with；
The proportioning of the auxiliary coating by parts by weight following material composition：2 parts of polyvinyl butyral, 60 parts of ethyl alcohol, sheet
10 parts of graphite powder, the flake graphite in powder specification are 320 mesh；
The high intensity coating formula by parts by weight following material composition：15 parts of resin, 2 parts of curing agent, 5 parts of ethyl alcohol, piece
30 parts of shape graphite powder, 10 parts of bentonite, 3 parts of foaming agent, the flake graphite in powder specification are 320 mesh.
Embodiment 2
Coating first time auxiliary coating first, is coated with first layer high intensity coating after the drying of auxiliary coating, treats first layer high intensity
After coating drying, second layer high intensity coating is coated with, the thickness of every layer of high intensity coating is 0.2-0.3 millimeters, treats the second layer
After the drying of high intensity coating, the auxiliary coating of the second layer is coated with；
The proportioning of the auxiliary coating by parts by weight following material composition：4 parts of polyvinyl butyral, 70 parts of ethyl alcohol, sheet
13 parts of graphite powder, the flake graphite in powder specification are 320 mesh.
The high intensity coating formula by parts by weight following material composition：16 parts of resin, 3 parts of curing agent, ethyl alcohol 6
Part, 35 parts of flake graphite in powder, 11 parts of bentonite, 4.5 parts of foaming agent.
Embodiment 3
Coating first time auxiliary coating first, is coated with first layer high intensity coating after the drying of auxiliary coating, treats first layer high intensity
After coating drying, second layer high intensity coating is coated with, the thickness of every layer of high intensity coating is 0.2-0.3 millimeters, treats the second layer
After the drying of high intensity coating, the auxiliary coating of the second layer is coated with；
The proportioning of the auxiliary coating by parts by weight following material composition：5 parts of polyvinyl butyral, 80 parts of ethyl alcohol, sheet
15 parts of graphite powder, the flake graphite in powder specification are 320 mesh；
The high intensity coating formula by parts by weight following material composition：18 parts of the resin, 3 parts of curing agent, ethyl alcohol 8
Part, 40 parts of flake graphite in powder, 14 parts of bentonite, 5.5 parts of foaming agent.
Embodiment 4
Coating first time auxiliary coating first, is coated with first layer high intensity coating after the drying of auxiliary coating, treats first layer high intensity
After coating drying, second layer high intensity coating is coated with, the thickness of every layer of high intensity coating is 0.2-0.3 millimeters, treats the second layer
After the drying of high intensity coating, the auxiliary coating of the second layer is coated with；
The proportioning of the auxiliary coating by parts by weight following material composition：5 parts of polyvinyl butyral, 80 parts of ethyl alcohol, sheet
15 parts of graphite powder, the flake graphite in powder specification are 320 mesh；
The high intensity coating formula by parts by weight following material composition：20 parts of resin, 4 parts of curing agent, 10 parts of ethyl alcohol, piece
45 parts of shape graphite powder, 15 parts of bentonite, 6 parts of foaming agent, the flake graphite in powder specification are 320 mesh.
Claims (6)
1. a kind of brushing method of the evaporative pattern of Technology for Air-Conditioner Compressor Stand, it is characterised in that step is as follows：Coating first time first
Auxiliary coating is coated with first layer high intensity coating after the drying of auxiliary coating, after the drying of first layer high intensity coating, re-coating the
Two floor height intensity coating after the drying of second layer high intensity coating, are coated with the auxiliary coating of the second layer；
The proportioning of the auxiliary coating by parts by weight following material composition：2-5 parts of polyvinyl butyral, 60-80 parts of ethyl alcohol,
10-15 parts of flake graphite in powder, the flake graphite in powder specification are 320 mesh；
The high intensity coating formula by parts by weight following material composition：15-20 parts of resin, 2-4 parts of curing agent, ethyl alcohol 5-
10 parts, 30-45 parts of flake graphite in powder, 10-15 parts of bentonite, 3-6 parts of foaming agent, the flake graphite in powder specification be 320 mesh.
2. the brushing method of the evaporative pattern of a kind of Technology for Air-Conditioner Compressor Stand according to claim 1, it is characterised in that described
The proportioning of auxiliary coating by parts by weight following material composition：4 parts of polyvinyl butyral, 70 parts of ethyl alcohol, flake graphite in powder 13
Part, the flake graphite in powder specification is 320 mesh.
3. the brushing method of the evaporative pattern of a kind of Technology for Air-Conditioner Compressor Stand according to claim 1, it is characterised in that described
High intensity coating formula by parts by weight following material composition：16-18 parts of resin, 3 parts of curing agent, 6-8 parts of ethyl alcohol, sheet stone
35-40 parts of ink powder, 11-14 parts of bentonite, 4.5-5.5 parts of foaming agent.
4. the brushing method of the evaporative pattern of a kind of Technology for Air-Conditioner Compressor Stand according to claim 1, it is characterised in that described
The thickness of every layer of high intensity coating is 0.2-0.3 millimeters.
5. the brushing method of the evaporative pattern of a kind of Technology for Air-Conditioner Compressor Stand according to claim 1, it is characterised in that described
Ethyl alcohol is industrial alcohol.
6. the brushing method of the evaporative pattern of a kind of Technology for Air-Conditioner Compressor Stand according to claim 1, it is characterised in that described
Bentonite is technical grade, and the foaming agent is technical grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711297968.5A CN108044059A (en) | 2017-12-08 | 2017-12-08 | A kind of brushing method of the evaporative pattern of Technology for Air-Conditioner Compressor Stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711297968.5A CN108044059A (en) | 2017-12-08 | 2017-12-08 | A kind of brushing method of the evaporative pattern of Technology for Air-Conditioner Compressor Stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108044059A true CN108044059A (en) | 2018-05-18 |
Family
ID=62123504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711297968.5A Withdrawn CN108044059A (en) | 2017-12-08 | 2017-12-08 | A kind of brushing method of the evaporative pattern of Technology for Air-Conditioner Compressor Stand |
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| Country | Link |
|---|---|
| CN (1) | CN108044059A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438329A (en) * | 2020-03-26 | 2020-07-24 | 沈阳职业技术学院 | Tellurium-based coating for casting |
| CN114210912A (en) * | 2021-11-26 | 2022-03-22 | 汉川市石金科技有限公司 | Casting foaming coating and preparation method thereof |
-
2017
- 2017-12-08 CN CN201711297968.5A patent/CN108044059A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111438329A (en) * | 2020-03-26 | 2020-07-24 | 沈阳职业技术学院 | Tellurium-based coating for casting |
| CN114210912A (en) * | 2021-11-26 | 2022-03-22 | 汉川市石金科技有限公司 | Casting foaming coating and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180518 |
|
| WW01 | Invention patent application withdrawn after publication |