CN1079039C - Ceramic mould making technolog with ethyl silicate and refractory material - Google Patents
Ceramic mould making technolog with ethyl silicate and refractory material Download PDFInfo
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- CN1079039C CN1079039C CN99116526A CN99116526A CN1079039C CN 1079039 C CN1079039 C CN 1079039C CN 99116526 A CN99116526 A CN 99116526A CN 99116526 A CN99116526 A CN 99116526A CN 1079039 C CN1079039 C CN 1079039C
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- refractory material
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- 239000000919 ceramic Substances 0.000 title claims abstract description 31
- 239000011819 refractory material Substances 0.000 title claims abstract description 10
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 title abstract 3
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000004576 sand Substances 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 15
- 238000005266 casting Methods 0.000 claims abstract description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000005495 investment casting Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 241000425037 Toona sinensis Species 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000010431 corundum Substances 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052863 mullite Inorganic materials 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 208000034189 Sclerosis Diseases 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 125000004494 ethyl ester group Chemical group 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000004115 Sodium Silicate Substances 0.000 abstract 1
- 239000000413 hydrolysate Substances 0.000 abstract 1
- 239000012778 molding material Substances 0.000 abstract 1
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The present invention discloses a ceramic mold technique with ethyl silicate and self-hardening sand. In the present invention, a ceramic mold molding material is prepared at a small powder-liquor ratio, namely that the mixture ratio of refractory materials to ethyl silicate hydrolysate is smaller than that of the prior art; in the molding, a ceramic mold is directly attached to the surface of a mold for forming and stripping, and sodium silicate sand is covered on the rear surface of the ceramic mold. The technique has the advantages of simplicity, easy operation, low production cost, high efficiency and high casting quality and is particularly suitable for the ceramic mold production of oversized pieces.
Description
The invention belongs to casting technique, be specifically related to ceramic precision casting technology.
The ceramic mould precision process is all used the Shore grouting method both at home and abroad at present.This method is to give using alcohol prepare silicon hydrolysis of ethyl acetate liquid earlier, prepare slurry again, and paste layer is made the sand cover on model, at last grouting.Go back GPRS gum deposit " young plant " during grouting, casting mold also needs torch firing and fuses.Technology is tediously long, complexity, and in only being applicable to, the production of smallclothes.The organic solvent-free mixed hydrolysis casting technique that CN86100313 proposes, powder liquor ratio are 100 grams: 25 milliliters-100 grams: 36 milliliters, when making ceramic mould, need to adopt slurry molding, and consumption is big.
The objective of the invention is to based on CN86100313, propose low powder liquor ratio, adopt and directly on model, adhere to ceramic mould, to overcome above-mentioned water foot.
For realizing the object of the invention, following scheme is proposed, technology comprises batching, moulding and casting mold drying.Wherein the proportioning of refractory material and silicate hydrolyzate liquid is 100 grams in the blending process: 14 milliliters-100 grams: 22 milliliters.Modeling process, with the preparation the silester compound be powder liquid compound directly in the attached one deck ceramic mould of model surface, treat its sclerosisization after, hold glass sand moulding molding its back side Chinese toon and get final product.Modeling process can realize finishing the superthin layer ceramic mould.
This technology has following advantage than prior art:
1, simplifies technological process, shortened the production cycle, improved work efficiency.And the processing ease of similar common sand mold is grasped.
2, owing to make the superthin layer ceramic mould earlier, back Chinese toon water-glass sand helps these two and combines closely.
What 3, make is the superthin layer ceramic mould, so casting mold body contraction distortion amount is little, has reduced the generation of crackle greatly, has improved casting quality.
4, the liquid consumption significantly reduces, and ceramic mould is attenuate greatly again, and production cost is low, than phenolic sand molding economy.
5, modeling process is not subjected to time restriction, can carry out intermittently, therefore is particularly suitable for making the ceramic mould of especially big piece.
Fig. 1 burden process flow chart
Fig. 2 moulding flow chart
Fig. 3 superthin layer ceramic mould stoving process figure
Embodiment:
Select different refractory materials for use according to different metal castings, it comprises quartz, mullite, zirconium English and corundum.Silicate hydrolyzate liquid comprises that silicic acid second is joined, water hydrochloric acid, adopts different refractory materials, and proportion of composing is also different in the silicate hydrolyzate liquid, specifically as shown in Table 1:
Its process for preparation is as shown in Figure 1: promptly earlier refractory material and silester are puddled evenly, added acidifying water again and mix, add industrial magnesium oxide rapidly.Stand-by.
Moulding is as shown in Figure 2: in the thick ceramic mould 2 of surperficial attached one deck 4-6mm of model 1, ceramic moulding mixture 2 prepares above-mentioned.Adherence method is as the cement mud wall.Treat ceramic mould 2, after the sclerosis, at its back side Chinese toon water-glass sand 3, blow carbon dioxide, moulding 4 is promptly finished in molding after the moulding.
Mould drying:
Because what make is the ceramic mould of superthin layer, mould drying is just fairly simple, and it does not need very high temperature to carry out roasting.For the enterprise that does not possess drying plant, the even torch firing of available oxygen welding gun gets final product, if dry its stoving process such as Fig. 3.
| Sequence number | Refractory material/g | Binding agent (silicate hydrolyzate liquid)/g | Curing agent/g | |||||||||
| Quartzy | Mullite | Zirconium English | Corundum | Silester 32 or 40 | Running water | Chemistry hydrochloric acid | (100ml silicate hydrolyzate liquid industrial magnesium oxide powder | |||||
| Powder (320 order) | Sand (100 order) | Powder (320 order) | Sand (100 order) | Powder (320 order) | Sand (100 order) | Powder (320 order) | Sand (100 order) | |||||
| 1 | 35 | 65 | 8.1-9.9 | 9-11 | 0.54-0.66 | 0.9-1.2 | ||||||
| 2 | 35 | 65 | 7.6-9.4 | 8.5-10.5 | 0.51-0.63 | 〃 | ||||||
| 3 | 35 | 65 | 8.3-8.8 | 6.7-7.2 | 0.4-0.43 | 〃 | ||||||
| 4 | 35 | 65 | 8.3-8.8 | 6.7-7.2 | 0.4-0.43 | 〃 | ||||||
Claims (3)
1, craft of coating and laying Ceramic pulp ceramic mold precision casting process comprises batching, moulding and casting mold drying, it is characterized in that the proportioning of refractory material and silicate hydrolyzate liquid is 100 grams in a, the blending process: 14 milliliters-100 grams: 22 milliliters; B, modeling process are: with the preparation the silester compound directly in the attached one deck ceramic mould of model surface; After treating its sclerosis, at its back side Chinese toon water-glass sand; The moulding molding.
2, craft of coating and laying Ceramic pulp ceramic mold precision casting process according to claim 1 is characterized in that blending process mesosilicic acid ethyl ester hydrolyzate comprises silester, water, hydrochloric acid, and the proportion relation of they and refractory material is as follows:
Sequence number Refractory material/g Binding agent (silicate hydrolyzate liquid/g Curing agent/g
Quartzy Mullite Zirconium U.S. Corundum Silester 32 or 40 Running water Chemistry hydrochloric acid (100ml silicate hydrolyzate liquid industrial magnesium oxide powder
Powder (320 order) Sand (320 order) Powder (320 order) Sand (320 order) Powder (320 order) Sand (320 order) Powder (320 order) Sand (320 order)
1 35 65 8.1-9.9 9-11 0.54-0.66 0.9-1.2
2 35 65 7.6-9.4 8.5-10.5 0.51-0.63 0.9-1.2
3 35 65 8.3-8.8 6.7-7.2 0.4-0.43 0.9-1.2
4 35 65 8.3-8.8 6.7-7.2 0.4-0.43 0.9-1.2
3, craft of coating and laying Ceramic pulp ceramic mold precision casting process according to claim 1 is characterized in that the attached ceramic mould thickness of model surface is the 4-6 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99116526A CN1079039C (en) | 1999-06-23 | 1999-06-23 | Ceramic mould making technolog with ethyl silicate and refractory material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99116526A CN1079039C (en) | 1999-06-23 | 1999-06-23 | Ceramic mould making technolog with ethyl silicate and refractory material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1262154A CN1262154A (en) | 2000-08-09 |
| CN1079039C true CN1079039C (en) | 2002-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99116526A Expired - Fee Related CN1079039C (en) | 1999-06-23 | 1999-06-23 | Ceramic mould making technolog with ethyl silicate and refractory material |
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| CN (1) | CN1079039C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447453B (en) * | 2013-08-10 | 2015-05-20 | 刘玉琴 | Facing sand for precision casting |
| CN105665615B (en) * | 2016-02-05 | 2018-10-02 | 济南圣泉集团股份有限公司 | A kind of casting waterglass curing agent and its preparation method and application |
| CN105921679B (en) * | 2016-05-12 | 2018-03-09 | 杜忠维 | Modified ceramic shell mould and preparation method thereof |
| CN115138807A (en) * | 2019-12-30 | 2022-10-04 | 泰州鑫宇精工股份有限公司 | Ceramic mold casting process |
| CN112264582A (en) * | 2020-09-14 | 2021-01-26 | 乐清市和瑞恒模具科技有限公司 | Manufacturing method for ceramic mold casting |
| CN112275993A (en) * | 2020-10-29 | 2021-01-29 | 兰州理工大学 | A kind of low temperature gel casting material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076877A (en) * | 1992-03-27 | 1993-10-06 | 北京航空航天大学 | Technique for making ceramic moulding core |
| CN1106323A (en) * | 1994-11-07 | 1995-08-09 | 湖南省机械研究所 | Large ceramic drawing mould for precision cast alloy cast iron |
-
1999
- 1999-06-23 CN CN99116526A patent/CN1079039C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076877A (en) * | 1992-03-27 | 1993-10-06 | 北京航空航天大学 | Technique for making ceramic moulding core |
| CN1106323A (en) * | 1994-11-07 | 1995-08-09 | 湖南省机械研究所 | Large ceramic drawing mould for precision cast alloy cast iron |
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| Publication number | Publication date |
|---|---|
| CN1262154A (en) | 2000-08-09 |
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