CN1082466A - Resin sand mould (core) or cast part type (core) is used water based paint - Google Patents
Resin sand mould (core) or cast part type (core) is used water based paint Download PDFInfo
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- CN1082466A CN1082466A CN 93110103 CN93110103A CN1082466A CN 1082466 A CN1082466 A CN 1082466A CN 93110103 CN93110103 CN 93110103 CN 93110103 A CN93110103 A CN 93110103A CN 1082466 A CN1082466 A CN 1082466A
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- Prior art keywords
- powder
- water
- coating
- based paint
- core
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000003973 paint Substances 0.000 title claims abstract description 10
- 239000004576 sand Substances 0.000 title abstract description 19
- 239000011347 resin Substances 0.000 title description 5
- 229920005989 resin Polymers 0.000 title description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000000576 coating method Methods 0.000 claims abstract description 35
- 239000011248 coating agent Substances 0.000 claims abstract description 33
- 239000000843 powder Substances 0.000 claims abstract description 29
- 239000011230 binding agent Substances 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 8
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000375 suspending agent Substances 0.000 claims abstract description 6
- 239000000440 bentonite Substances 0.000 claims abstract description 5
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 5
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000002893 slag Substances 0.000 claims abstract description 4
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims abstract description 4
- 239000010936 titanium Substances 0.000 claims abstract description 4
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 4
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 claims description 12
- 230000008719 thickening Effects 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 239000010433 feldspar Substances 0.000 claims description 5
- 235000013312 flour Nutrition 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000007767 bonding agent Substances 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 229910001018 Cast iron Inorganic materials 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 14
- 238000005336 cracking Methods 0.000 abstract description 7
- 239000000725 suspension Substances 0.000 abstract description 6
- GBCAVSYHPPARHX-UHFFFAOYSA-M n'-cyclohexyl-n-[2-(4-methylmorpholin-4-ium-4-yl)ethyl]methanediimine;4-methylbenzenesulfonate Chemical compound CC1=CC=C(S([O-])(=O)=O)C=C1.C1CCCCC1N=C=NCC[N+]1(C)CCOCC1 GBCAVSYHPPARHX-UHFFFAOYSA-M 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 abstract description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 235000012216 bentonite Nutrition 0.000 description 6
- 206010039509 Scab Diseases 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- -1 ferrous metals Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910000281 calcium bentonite Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 201000001371 inclusion conjunctivitis Diseases 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- LCRMGUFGEDUSOG-UHFFFAOYSA-N naphthalen-1-ylsulfonyloxymethyl naphthalene-1-sulfonate;sodium Chemical compound [Na].C1=CC=C2C(S(=O)(OCOS(=O)(=O)C=3C4=CC=CC=C4C=CC=3)=O)=CC=CC2=C1 LCRMGUFGEDUSOG-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 206010044325 trachoma Diseases 0.000 description 1
Landscapes
- Mold Materials And Core Materials (AREA)
Abstract
A kind of is refractory powder with graphite powder, zirconium English powder, high-alumina fly, titanium slag powder etc., and bentonite, Ludox, calgon, CMC, kaolin are suspending agent and binding agent, and Fe
2O
3, the water based paint that is mixed with of chaff alcohol and water, its rheological characteristic, suspension, gas-forming property, anti-cracking behavior, high-temperature stability are all good after testing.During casting was used, coating had higher-strength, and hand is touched, ash is not all fallen in air-blowing, and its inside and outside sur-face peeling is effective behind the casting falling sand, and the surface reaches the A level product standard of JB/TR449-86 quality grading regulation.Coating price is cheap.
Description
The present invention relates to its sand mold surface coating and manufacture method thereof in the Foundry Production.
Along with the foundary industry development, more and more higher to the requirement of casting workpiece surface quality.Sand mold (core) surface coating is required the quality homogeneous, and adhesive property is good, and good water-fast, weatherability are arranged, and at normal temperature and high temperatures, is easy to brushing, can reach defectives such as preventing scab, burning into sand when casting, obtains the foundry goods of any surface finish.The coating that CN86106485 provides is to form with graphite, bentonite, clay, resin, CMC, silica gel, talcum powder, surfactant and water, be applicable to clay-bonded sand, resin sand, close brushing on the fat sand mold, spraying or dip-coating, can make surface roughness mean value reach 9～5 μ m.CN90100454.5 then proposes with zirconium English powder, silica flour, attaclay, emulsifying agent, lithium and calcium bentonite, silicate solution, CMC sodium, sodium methylene bis-naphthalene sulfonate and TiO
2The water based paint of forming, its suspension is good, anti-stick sand during use, easily peels off.Yet at present water based paint still exists in the use and can not guarantee the high-quality defective of foundry goods, particularly to production large-scale, intricate casting, easily produces permeability scab, and Chang Yintuo is counterdie and subscription rate not.
The purpose of this invention is to provide a kind of rheological characteristic, suspension, gas-forming property, anti-cracking behavior and the good water based paint of high-temperature stability, its processing performance is good and with low cost.
Water based paint of the present invention is made up of refractory powder, suspending agent and binding agent, assistant and water, and its proportioning (weight) is:
Refractory powder 100
Bentonite 0.2～4.0
Ludox 0.5～30.0
Composite thickening binding agent 1.2～10.0
Fe
2O
30～12.0
Furfuryl alcohol 0～5.0
Water is an amount of
Refractory powder is selected graphite powder, zirconium English powder, high-alumina fly, titanium slag powder, talcum powder, silica flour, feldspar powder, mica powder for use, selects wherein one or more combination use for use according to the foundry goods needs, and its proportioning is:
Graphite powder 0～100%
Zirconium English powder 0～100%
High-alumina fly 0～80%
Titanium slag powder 0～80%
Talcum powder 0～10%
Silica flour 0～30%
Feldspar powder 0～8%
Mica powder 0～8%
Refractory powder can form the density fireproof coating as the key component of coating on type (core) surface under pouring temperature, prevent that molten metal from infiltrating in the sand mold (core), can obtain the foundry goods of any surface finish.The thickening binding agent is to adopt compounding ingredients, and its proportioning (weight) is:
Calgon 0.1～1.0
CMC 0.1～1.0
Kaolin 1.0～8.0
Has the effect that suspends with bonding.Add Fe
2O
3Can reduce cast(ing) surface flash or veiny line defective, a small amount of furfuryl alcohol add as surfactant that each component of favourable coating is mixed and with the combining of sand mold.Its mixing technique is that first water and thickening binding agent dissolve and stir, then limit in the refractory powder of its particle superfine (200～400 order) and mixing is stirred, add suspending agent item by item, the composite thickening binding agent, binding agent and assistant and suitable quantity of water, batch mixing 2h discharging.
Coating has carried out performance measurements such as rheological characteristic, suspension, gas-forming property, anti-cracking behavior and high-temperature stability, and the coating products HOLCO TE 110 of main performance and Britain FOCECO company compares.Made its yield value of coating of the present invention is close with HOLCO TE 110, and curve shape is more near pseudoplastic fluid.The suspension measurement result is that 24h precipitates height＞0.9 relatively to belong to suspension good.Total gas forming amount＜the 20ml/g(850 of coating ℃ mensuration), belong to low gas-forming property.Anti-cracking behavior test is the coating of brushing the present invention on φ 50mm * 50mm standard core, the 24h that dries in the shade, no cracking phenomena, insert in the drying box and heat up 200 ℃, 2h takes out does not still have cracking phenomena, again sample is put into 1000 ℃ of high temperature furnaces, and 1min takes out coating does not still have cracking phenomena.The high-temperature stable property testing is to increase at φ 50mm * 75mm to brush the 1mm thick coating on the knob standard specimen, dries the back and immerses 1min in 1400 ℃ of molten iron, and the taking-up coating surface is smooth, nothing ftractures, no chemical erosion phenomenon.During the production practical application, coating has higher-strength, and hand is touched to fall ash, air-blowing is dust not, free from environmental pollution, nontoxic, harmless, behind the casting falling sand, inside and outside sur-face peeling is effective, cast(ing) surface reaches the A level product standard of JB/TR449-86 quality grading regulation, has avoided the phenomenon of scab in the casting, sand washing, burning into sand peeling and gagger sand, reduces the casting leakage rate, soldering rate and percent defective, and alleviate the cleaning work amount.
The present invention has characteristics: (1) prescription is unique, and the brushability of coating, rheological characteristic, stability etc. are good, pour into a mould effective.Choosing is plucked and is optimized material and prescription, selecting for use of particularly compound thickening bonding agent, iron oxide and furfuryl alcohol improves the quality that coating itself reaches cast(ing) surface, substantially solve and easily produce scab, demoulding difficulty in the resin bonded sand mould casting, particularly the normal problem that occurs in complicated part casting.(2) mix the equipment of system coating with method is simple.(3) the raw material source is wide, price is low, remarkable in economical benefits.(4) coating of the present invention not only is suitable for iron casting production, and cast steel, non-ferrous metals casting also are suitable for.
Example 1
Formulation for coating material (by weight) is:
Graphite powder 60 high-alumina flies 35
Feldspar powder 5 bentonites 3
Ludox 4 calgons 0.5
CMC 0.2 kaolin 2.5
Fe
2O
34 furfuryl alcohols 1
Water is an amount of
Calgon, CMC, Ludox water are dissolved and stir.With graphite powder (200 order), high-alumina fly (325 order), feldspar powder (300 order) in batch mixer dried be mixed even, thickening binding agent, binding agent and the assistant and the suitable quantity of water that under agitation add suspending agent item by item, prepare, batch mixing 2h.This coating is used for φ 100 serial piston compressor bodies, also is used for casting similar, little complicated part, and percolation ratio is 0.076%.
Example 2
Formulation for coating material (by weight):
Graphite powder 60 high-alumina flies 15
Zirconium English powder 25 bentonites 2
Ludox 5.5 calgons 0.8
CMC 0.2 kaolin 3
Fe
2O
34 furfuryl alcohols 1
Water is an amount of
Preparation method for coating such as example 1, coating are used for φ 170, φ 250 serial piston compressor bodies, and effect is fine.
Example 3
Formulation for coating material (by weight):
Zirconium English powder 100 bentonites 2
Ludox 7.5 calgons 1
CMC 0.1 kaolin 3.5
Fe
2O
34 furfuryl alcohols 1
Water is an amount of
Coating method for making such as example 1, this coating is anti-stick sand coating, is used for KA25, and series sheath core complexity such as large and medium-sized helical-lobe compressor body such as KA31.5 are eaten that husky amount is too small, skin depth, are easily produced permeability scab position, and it is effective.
Example 4
Formulation for coating material (by weight):
High-alumina fly 70 silica flours 30
Ludox 6.5 calgons 1
CMC 0.2 kaolin 3
Fe
2O
34 furfuryl alcohols 1
Bentonite 2 water are an amount of
Coating method for making such as example 1, the coating of this example are anti-impact erosion coating, are used for complicated part, the string skin is more, the cast at the position that erosion is serious, the generation of the sand washing that causes in the time of can avoiding casting, trachoma seepage.
Claims (3)
1, a kind of cast iron water based paint of forming with refractory powder, binding agent, suspending agent, surfactant, water etc. is characterized in that prescription (by weight) is:
Refractory powder graphite powder and/or zirconium English powder
(fineness 200～400 orders) 100.0
Bentonite 0.2～4.0
Ludox 0.5～30.0
The composite thickening binding agent
Calgon 0.1～1.0
CMC 0.1～1.0
Kaolin 1.0～8.0
Fe
2O
30～12
Furfuryl alcohol 0～5
Water is an amount of
Its preparation method is that stirring is miscible.
2, water based paint as claimed in claim 1 is characterized in that the prescription of refractory powder is:
Graphite powder 0～100%
Zirconium English powder 0～100%
High-alumina fly 0～80%
Titanium slag powder 0～80%
Talcum powder 0～10%
Silica flour 0～30%
Feldspar powder 0～8%
Mica powder 0～8%
3, water based paint as claimed in claim 1, it is characterized in that earlier composite thickening binding agent water being dissolved when coating prepares and stir, following add item by item suspending agent, composite thickening bonding agent, bonding agent, assistant and suitable quantity of water, batch mixing 2h are stirred in the limit in the siccative of mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93110103 CN1082466A (en) | 1993-02-15 | 1993-02-15 | Resin sand mould (core) or cast part type (core) is used water based paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93110103 CN1082466A (en) | 1993-02-15 | 1993-02-15 | Resin sand mould (core) or cast part type (core) is used water based paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1082466A true CN1082466A (en) | 1994-02-23 |
Family
ID=4988010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93110103 Pending CN1082466A (en) | 1993-02-15 | 1993-02-15 | Resin sand mould (core) or cast part type (core) is used water based paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1082466A (en) |
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049166C (en) * | 1997-10-08 | 2000-02-09 | 冶金工业部钢铁研究总院 | Coating for casting thin foundry goods |
| CN1102165C (en) * | 1999-08-23 | 2003-02-26 | 蒋德奎 | High-strength quick-solidifying refractory adhesive |
| CN100347257C (en) * | 2006-03-16 | 2007-11-07 | 沈阳金安铸造材料厂 | Water-based dipping paint without pollution |
| CN100409973C (en) * | 2005-05-25 | 2008-08-13 | 霍万福 | Water base paint special for resin sand automobile mould full mold casting |
| CN100436000C (en) * | 2007-01-24 | 2008-11-26 | 中国重型汽车集团有限公司 | Water borne coating for metal mold casting and its prepn. |
| CN101259517B (en) * | 2008-04-14 | 2010-06-09 | 戚建明 | Double-roller rolling strip steel machine side seal board surface recombination coating and its preparation method and spraying coating method |
| CN101890475A (en) * | 2010-01-27 | 2010-11-24 | 上海市机械制造工艺研究所有限公司 | A water-based zircon powder quick-drying coating for super-large steel castings |
| CN101941048A (en) * | 2010-09-03 | 2011-01-12 | 吴江市液铸液压件铸造有限公司 | Graphite paste coating |
| CN101982254A (en) * | 2010-11-23 | 2011-03-02 | 东华大学 | Yellow soil-base sinter-strippable casting coating and preparation method thereof |
| CN102049464A (en) * | 2011-01-26 | 2011-05-11 | 东风汽车有限公司 | Special coating for full mold casting and preparation method thereof |
| CN102328018A (en) * | 2011-10-28 | 2012-01-25 | 上海市机械制造工艺研究所有限公司 | Casting surface sulfur-seepage-prevention coating for furan resin sand mould |
| CN102407279A (en) * | 2011-11-29 | 2012-04-11 | 朱小英 | Preparation method of sand casting water-based paint |
| CN102584297A (en) * | 2012-03-01 | 2012-07-18 | 辽宁工业大学 | Method for preparing fire-proof material from the carbon chromium residue or titanium residue of metallurgy furnace |
| CN102836955A (en) * | 2012-08-31 | 2012-12-26 | 太仓科博尔精密铸业有限公司 | Coating used for casting resin sand |
| CN102836952A (en) * | 2012-08-31 | 2012-12-26 | 太仓科博尔精密铸业有限公司 | Resin sand type casting coating and preparation method thereof |
| CN101554641B (en) * | 2008-04-11 | 2013-03-20 | 上海市机械制造工艺研究所有限公司 | Zircon powder alcohol group dope |
| CN103113121A (en) * | 2012-03-01 | 2013-05-22 | 辽宁工业大学 | Method for preparing refractory material through utilizing metallurgical furnace titanium slag |
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| CN103658509A (en) * | 2013-11-27 | 2014-03-26 | 福州文泰机械铸造有限公司 | High-suspension sand mold coating and preparation method thereof |
| CN103878301A (en) * | 2014-03-03 | 2014-06-25 | 安徽华通铸业有限公司 | Paint for iron casting surface coatings |
| CN104907488A (en) * | 2015-06-25 | 2015-09-16 | 苏州明志科技有限公司 | Anti-crack sand mold coating |
| CN107321910A (en) * | 2017-07-03 | 2017-11-07 | 李吕军 | Cracking resistance coating agent for model casting casting and preparation method thereof |
| CN107737868A (en) * | 2017-11-08 | 2018-02-27 | 湖北工程职业学院 | A kind of water base lost foam paint of high intensity and preparation method thereof |
| CN108515141A (en) * | 2018-04-26 | 2018-09-11 | 贵阳灵峰铸造材料有限公司 | Novel casting coating and preparation method thereof for heavy castings and cylinder block and head |
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| CN114769503A (en) * | 2022-04-06 | 2022-07-22 | 中国第一汽车股份有限公司 | Coating for sand core of gray iron cylinder body of automobile engine and preparation method of coating |
-
1993
- 1993-02-15 CN CN 93110103 patent/CN1082466A/en active Pending
Cited By (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049166C (en) * | 1997-10-08 | 2000-02-09 | 冶金工业部钢铁研究总院 | Coating for casting thin foundry goods |
| CN1102165C (en) * | 1999-08-23 | 2003-02-26 | 蒋德奎 | High-strength quick-solidifying refractory adhesive |
| CN100409973C (en) * | 2005-05-25 | 2008-08-13 | 霍万福 | Water base paint special for resin sand automobile mould full mold casting |
| CN100347257C (en) * | 2006-03-16 | 2007-11-07 | 沈阳金安铸造材料厂 | Water-based dipping paint without pollution |
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