CN106077425A - The most defeated and dispersed a kind of instrument Foundry Coated Sand - Google Patents
The most defeated and dispersed a kind of instrument Foundry Coated Sand Download PDFInfo
- Publication number
- CN106077425A CN106077425A CN201610608900.3A CN201610608900A CN106077425A CN 106077425 A CN106077425 A CN 106077425A CN 201610608900 A CN201610608900 A CN 201610608900A CN 106077425 A CN106077425 A CN 106077425A
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- CN
- China
- Prior art keywords
- sand
- defeated
- dispersed
- instrument
- foundry
- 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
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
Abstract
The most defeated and dispersed a kind of instrument Foundry Coated Sand, it includes the raw material of following mass percent: reheating magnesia 75 ~ 90%, zircon sand 5 ~ 10%, bauxite sand 3 ~ 8%, waterglass 1 ~ 3%, montmorillonite 1 ~ 2%, boric acid 1 ~ 3%, thermoplastic phenolic resin 1 ~ 2%, coupling agent 0.02 ~ 0.06%, hexamethylenamine 0.2 ~ 0.5%, firming agent 0.2 ~ 0.5%, alkali-free glass fibre 0.5 ~ 1%, aluminum nitride powder 0.2 ~ 0.5%.A kind of the most defeated and dispersed instrument Foundry Coated Sand that the present invention provides, comparing with conventional precoated sand, this precoated sand, in addition to having the performance of Conventional coverlay film sand, also has the performance delaying raising rate, suppression nitrogen to produce, can effectively reduce foundry goods and produce nitrogen pore, and then improve the yield rate of casting apparatus；Add precoated sand and meet the ironcasting universality to steel-casting, improve the yield rate of foundry goods, save the cost of foundry enterprise Modeling Material, there is excellent casting collapsibility performance.
Description
Technical field
The present invention relates to casting technology field, be specifically related to the precoated sand of a kind of instrument casting with easy collapsibility performance
Material.
Background technology
Precoated sand is molding sand or the core sand that sand grain surface is i.e. covered with one layer of hard resin film before moulding.The preparation of precoated sand
There are cold process and two kinds of coating techniques of Re Fa: resin is dissolved by cold process ethanol, and during mulling, add hexamethylenamine, make two
Person is coated on sand grain surface, and ethanol volatilizees, and obtains precoated sand；Full-boiled process is that sand is preheating to uniform temperature, adds resin and makes it melt, stirs
Mix and make resin-coating at sand grain surface, add hexamethylenamine aqueous solution and lubricant, cool down, crush, sieve to obtain precoated sand.Casting
Precoated sand be mainly used in steel-casting, ironcasting.
Along with the continuous extension of precoated sand range of application, different casting techniques, unlike material requirement and different structure
Foundry goods proposes different performance requirements to precoated sand.For instrument casting precoated sand to the requirement of precoated sand performance relatively
Height, existing precoated sand is when doing instrument casting and using, it is difficult to meet the requirement of actual casting serviceability.
Summary of the invention
Not enough for prior art, the invention provides a kind of overlay film for instrument casting with excellent collapsibility performance
Sand material.
The present invention solves the technical scheme of above-mentioned technical problem employing: the most defeated and dispersed a kind of instrument Foundry Coated Sand, bag
Include the raw material of following mass percent: reheating magnesia 75 ~ 90%, zircon sand 5 ~ 10%, bauxite sand 3 ~ 8%, waterglass 1 ~ 3%, cover
De-soil 1 ~ 2%, boric acid 1 ~ 3%, thermoplastic phenolic resin 1 ~ 2%, coupling agent 0.02 ~ 0.06%, hexamethylenamine 0.2 ~ 0.5%, firming agent
0.2 ~ 0.5%, alkali-free glass fibre 0.5 ~ 1%, aluminum nitride powder 0.2 ~ 0.5%.
Further, described the most defeated and dispersed a kind of instrument Foundry Coated Sand, including the raw material of following mass percent: zirconium English
Sand 5%, bauxite sand 3%, waterglass 1%, montmorillonite 1%, boric acid 1%, thermoplastic phenolic resin 1%, coupling agent 0.02%, Wu Luotuo
Product 0.2%, firming agent 0.2%, alkali-free glass fibre 0.5%, aluminum nitride powder 0.2%, surplus is reheating magnesia.
Further, described the most defeated and dispersed a kind of instrument Foundry Coated Sand, including the raw material of following mass percent: zirconium English
Sand 8%, bauxite sand 5%, waterglass 2%, montmorillonite 1.5%, boric acid 2%, thermoplastic phenolic resin 1.5%, coupling agent 0.04%, crow
Lip river tropine 0.4%, firming agent 0.3%, alkali-free glass fibre 0.7%, aluminum nitride powder 0.4%, surplus is reheating magnesia.
Further, described the most defeated and dispersed a kind of instrument Foundry Coated Sand, including the raw material of following mass percent: zirconium English
Sand 10%, bauxite sand 8%, waterglass 3%, montmorillonite 2%, boric acid 3%, thermoplastic phenolic resin 2%, coupling agent 0.06%, Wu Luotuo
Product 0.5%, firming agent 0.5%, alkali-free glass fibre 1%, aluminum nitride powder 0.5%, surplus is reheating magnesia.
Compared with prior art, the present invention possesses advantage and is:
A kind of the most defeated and dispersed instrument Foundry Coated Sand that the present invention provides, compares with conventional precoated sand, and this precoated sand is except having
Outside the performance of Conventional coverlay film sand, also there is the performance delaying raising rate, suppression nitrogen to produce, can effectively reduce foundry goods and produce nitrogen
Pore, and then improve the yield rate of casting apparatus；Add precoated sand and meet the ironcasting universality to steel-casting, improve casting
The yield rate of part, saves the cost of foundry enterprise Modeling Material, has excellent casting collapsibility performance.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment 1: the most defeated and dispersed a kind of instrument Foundry Coated Sand, including the raw material of following mass percent: zircon sand 5%,
Bauxite sand 3%, waterglass 1%, montmorillonite 1%, boric acid 1%, thermoplastic phenolic resin 1%, coupling agent 0.02%, hexamethylenamine
0.2%, firming agent 0.2%, alkali-free glass fibre 0.5%, aluminum nitride powder 0.2%, surplus is reheating magnesia.
Embodiment 2: the most defeated and dispersed a kind of instrument Foundry Coated Sand, including the raw material of following mass percent: zircon sand 8%,
Bauxite sand 5%, waterglass 2%, montmorillonite 1.5%, boric acid 2%, thermoplastic phenolic resin 1.5%, coupling agent 0.04%, hexamethylenamine
0.4%, firming agent 0.3%, alkali-free glass fibre 0.7%, aluminum nitride powder 0.4%, surplus is reheating magnesia.
Embodiment 3: the most defeated and dispersed a kind of instrument Foundry Coated Sand, including following mass percent raw material zircon sand 10%,
Bauxite sand 8%, waterglass 3%, montmorillonite 2%, boric acid 3%, thermoplastic phenolic resin 2%, coupling agent 0.06%, hexamethylenamine
0.5%, firming agent 0.5%, alkali-free glass fibre 1%, aluminum nitride powder 0.5%, surplus is reheating magnesia.
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, it is also possible to make some improvement and modification, these improve and modify
Also should be regarded as protection scope of the present invention.
Claims (4)
1. a most defeated and dispersed instrument Foundry Coated Sand, it is characterised in that: include the raw material of following mass percent: reheating magnesia
75 ~ 90%, zircon sand 5 ~ 10%, bauxite sand 3 ~ 8%, waterglass 1 ~ 3%, montmorillonite 1 ~ 2%, boric acid 1 ~ 3%, thermoplastic phenolic resin
1 ~ 2%, coupling agent 0.02 ~ 0.06%, hexamethylenamine 0.2 ~ 0.5%, firming agent 0.2 ~ 0.5%, alkali-free glass fibre 0.5 ~ 1%, nitridation
Aluminium powder 0.2 ~ 0.5%.
The most defeated and dispersed a kind of instrument Foundry Coated Sand the most according to claim 1, it is characterised in that include following quality hundred
The raw material of proportion by subtraction: zircon sand 5%, bauxite sand 3%, waterglass 1%, montmorillonite 1%, boric acid 1%, thermoplastic phenolic resin 1%, coupling
Agent 0.02%, hexamethylenamine 0.2%, firming agent 0.2%, alkali-free glass fibre 0.5%, aluminum nitride powder 0.2%, surplus is reheating magnesia.
The most defeated and dispersed a kind of instrument Foundry Coated Sand the most according to claim 1, it is characterised in that include following quality hundred
The raw material of proportion by subtraction: zircon sand 8%, bauxite sand 5%, waterglass 2%, montmorillonite 1.5%, boric acid 2%, thermoplastic phenolic resin 1.5%,
Coupling agent 0.04%, hexamethylenamine 0.4%, firming agent 0.3%, alkali-free glass fibre 0.7%, aluminum nitride powder 0.4%, surplus is reheating
Magnesia.
The most defeated and dispersed a kind of instrument Foundry Coated Sand the most according to claim 1, it is characterised in that include following quality hundred
The raw material of proportion by subtraction: zircon sand 10%, bauxite sand 8%, waterglass 3%, montmorillonite 2%, boric acid 3%, thermoplastic phenolic resin 2%, idol
Connection agent 0.06%, hexamethylenamine 0.5%, firming agent 0.5%, alkali-free glass fibre 1%, aluminum nitride powder 0.5%, surplus is reheating magnesia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608900.3A CN106077425A (en) | 2016-07-29 | 2016-07-29 | The most defeated and dispersed a kind of instrument Foundry Coated Sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608900.3A CN106077425A (en) | 2016-07-29 | 2016-07-29 | The most defeated and dispersed a kind of instrument Foundry Coated Sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106077425A true CN106077425A (en) | 2016-11-09 |
Family
ID=57479684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610608900.3A Pending CN106077425A (en) | 2016-07-29 | 2016-07-29 | The most defeated and dispersed a kind of instrument Foundry Coated Sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106077425A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138676A (en) * | 2017-04-25 | 2017-09-08 | 安徽索立德铸业有限公司 | A kind of defeated and dispersed auxiliary agent of casting water glass self-hardening sand |
| CN110102703A (en) * | 2019-05-07 | 2019-08-09 | 秦声旺 | A kind of novel environment friendly smoke-free and tasteless precoated sand and preparation method thereof |
| CN112355231A (en) * | 2020-11-11 | 2021-02-12 | 南阳仁创再生资源有限公司 | Water glass precoated sand for casting and preparation method thereof |
| CN114367625A (en) * | 2021-12-15 | 2022-04-19 | 盐城仁创砂业科技有限公司 | Refractory precoated sand and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103231010A (en) * | 2013-04-16 | 2013-08-07 | 繁昌县恒鑫汽车零部件有限公司 | Easy-collapsibility type precoated sand |
| CN103231011A (en) * | 2013-04-16 | 2013-08-07 | 繁昌县恒鑫汽车零部件有限公司 | Phenol formaldehyde resin precoated sand |
| CN103567360A (en) * | 2013-10-11 | 2014-02-12 | 铜陵市经纬流体科技有限公司 | Easily scattered precoated sand and preparation method thereof |
| CN103586401A (en) * | 2013-11-27 | 2014-02-19 | 吴江市液铸液压件铸造有限公司 | Precoated sand |
| CN104209450A (en) * | 2014-09-04 | 2014-12-17 | 河南省西峡汽车水泵股份有限公司 | Special precoated sand for cast of high alloy material |
| CN104550631A (en) * | 2013-10-21 | 2015-04-29 | 青岛五洋铸机有限公司 | Composite special casting sand for replacing chromite sand |
-
2016
- 2016-07-29 CN CN201610608900.3A patent/CN106077425A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231010A (en) * | 2013-04-16 | 2013-08-07 | 繁昌县恒鑫汽车零部件有限公司 | Easy-collapsibility type precoated sand |
| CN103231011A (en) * | 2013-04-16 | 2013-08-07 | 繁昌县恒鑫汽车零部件有限公司 | Phenol formaldehyde resin precoated sand |
| CN103567360A (en) * | 2013-10-11 | 2014-02-12 | 铜陵市经纬流体科技有限公司 | Easily scattered precoated sand and preparation method thereof |
| CN104550631A (en) * | 2013-10-21 | 2015-04-29 | 青岛五洋铸机有限公司 | Composite special casting sand for replacing chromite sand |
| CN103586401A (en) * | 2013-11-27 | 2014-02-19 | 吴江市液铸液压件铸造有限公司 | Precoated sand |
| CN104209450A (en) * | 2014-09-04 | 2014-12-17 | 河南省西峡汽车水泵股份有限公司 | Special precoated sand for cast of high alloy material |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138676A (en) * | 2017-04-25 | 2017-09-08 | 安徽索立德铸业有限公司 | A kind of defeated and dispersed auxiliary agent of casting water glass self-hardening sand |
| CN110102703A (en) * | 2019-05-07 | 2019-08-09 | 秦声旺 | A kind of novel environment friendly smoke-free and tasteless precoated sand and preparation method thereof |
| CN112355231A (en) * | 2020-11-11 | 2021-02-12 | 南阳仁创再生资源有限公司 | Water glass precoated sand for casting and preparation method thereof |
| CN112355231B (en) * | 2020-11-11 | 2022-03-29 | 南阳仁创再生资源有限公司 | Water glass precoated sand for casting and preparation method thereof |
| CN114367625A (en) * | 2021-12-15 | 2022-04-19 | 盐城仁创砂业科技有限公司 | Refractory precoated sand and preparation method thereof |
| CN114367625B (en) * | 2021-12-15 | 2023-05-02 | 盐城仁创砂业科技有限公司 | Refractory precoated sand and preparation method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161109 |