CA1078131A - Method for knocking out silicate-bonded mould material from a mould after casting - Google Patents
Method for knocking out silicate-bonded mould material from a mould after castingInfo
- Publication number
- CA1078131A CA1078131A CA255,890A CA255890A CA1078131A CA 1078131 A CA1078131 A CA 1078131A CA 255890 A CA255890 A CA 255890A CA 1078131 A CA1078131 A CA 1078131A
- Authority
- CA
- Canada
- Prior art keywords
- mould
- aqueous solution
- casting
- mould material
- silicate
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 title claims abstract description 46
- 238000005266 casting Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007864 aqueous solution Substances 0.000 claims abstract description 27
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011230 binding agent Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 27
- 239000004576 sand Substances 0.000 description 24
- 150000002148 esters Chemical class 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 7
- 239000004348 Glyceryl diacetate Substances 0.000 description 5
- 235000019443 glyceryl diacetate Nutrition 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 235000019353 potassium silicate Nutrition 0.000 description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910001208 Crucible steel Inorganic materials 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 239000004848 polyfunctional curative Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229960002622 triacetin Drugs 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 235000013773 glyceryl triacetate Nutrition 0.000 description 3
- 239000001087 glyceryl triacetate Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002895 organic esters Chemical class 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229920001353 Dextrin Polymers 0.000 description 1
- UXDDRFCJKNROTO-UHFFFAOYSA-N Glycerol 1,2-diacetate Chemical compound CC(=O)OCC(CO)OC(C)=O UXDDRFCJKNROTO-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- FYGDTMLNYKFZSV-MRCIVHHJSA-N dextrin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)OC1O[C@@H]1[C@@H](CO)OC(O[C@@H]2[C@H](O[C@H](O)[C@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O FYGDTMLNYKFZSV-MRCIVHHJSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- -1 ethyl diglycol diacetate Chemical compound 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/001—Removing cores
- B22D29/002—Removing cores by leaching, washing or dissolving
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mold Materials And Core Materials (AREA)
- Polymerisation Methods In General (AREA)
- Silicon Polymers (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7507435A SE398829B (sv) | 1975-06-30 | 1975-06-30 | Sett for urslagning av silikatbunden formmassa ur pagjuten form |
| SE7512964A SE414601B (sv) | 1975-11-18 | 1975-11-18 | Sett for formning av silikatbunden formmassa ur pagjuten form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1078131A true CA1078131A (en) | 1980-05-27 |
Family
ID=26656629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA255,890A Expired CA1078131A (en) | 1975-06-30 | 1976-06-28 | Method for knocking out silicate-bonded mould material from a mould after casting |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS526338A (enrdf_load_stackoverflow) |
| CA (1) | CA1078131A (enrdf_load_stackoverflow) |
| DE (1) | DE2626224C2 (enrdf_load_stackoverflow) |
| DK (1) | DK153527C (enrdf_load_stackoverflow) |
| FI (1) | FI61648C (enrdf_load_stackoverflow) |
| FR (1) | FR2316024A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1549220A (enrdf_load_stackoverflow) |
| NO (1) | NO142203C (enrdf_load_stackoverflow) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55114457A (en) * | 1979-02-27 | 1980-09-03 | Hitachi Ltd | Core removing method |
| DE3537351A1 (de) * | 1985-10-19 | 1987-04-23 | Thyssen Industrie | Verfahren und vorrichtung zum herausloesen eines kerns aus keramik aus einem gussstueck |
| US5678583A (en) * | 1995-05-22 | 1997-10-21 | Howmet Research Corporation | Removal of ceramic shell mold material from castings |
| US6241000B1 (en) * | 1995-06-07 | 2001-06-05 | Howmet Research Corporation | Method for removing cores from castings |
| US7216691B2 (en) | 2002-07-09 | 2007-05-15 | Alotech Ltd. Llc | Mold-removal casting method and apparatus |
| KR100828887B1 (ko) | 2002-07-11 | 2008-05-09 | 콘솔리데이티드 엔지니어링 캄파니, 인크. | 주조품으로부터 샌드 주형의 제거를 보조하기 위한 방법 |
| WO2004024357A1 (en) | 2002-09-11 | 2004-03-25 | Alotech Ltd. Llc. | Chemically bonded aggregate mold |
| EP1539398A1 (en) | 2002-09-20 | 2005-06-15 | Alotech Ltd. LLC | Lost pattern mold removal casting method and apparatus |
| US7121318B2 (en) | 2002-09-20 | 2006-10-17 | Alotech Ltd. Llc | Lost pattern mold removal casting method and apparatus |
| US8763247B2 (en) | 2010-10-06 | 2014-07-01 | GM Global Technology Operations LLC | Diesel piston with bi-metallic dome |
| US8813357B2 (en) | 2010-10-06 | 2014-08-26 | GM Global Technology Operations LLC | Piston with bi-metallic dome |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE364227C (de) * | 1922-03-18 | 1922-11-18 | Fritz Wuest Dr | Verfahren zum Putzen von Gussstuecken |
| US3044087A (en) * | 1959-11-17 | 1962-07-17 | Powers Alex | Apparatus for eliminating ceramic cores |
| US3563711A (en) * | 1968-07-18 | 1971-02-16 | Trw Inc | Process for removal of siliceous cores from castings |
| US3698467A (en) * | 1971-01-04 | 1972-10-17 | United Aircraft Corp | Method of removing silaceous cores from nickel and cobalt superalloy castings |
-
1976
- 1976-06-11 DE DE2626224A patent/DE2626224C2/de not_active Expired
- 1976-06-24 FI FI761846A patent/FI61648C/fi not_active IP Right Cessation
- 1976-06-28 CA CA255,890A patent/CA1078131A/en not_active Expired
- 1976-06-28 JP JP51076299A patent/JPS526338A/ja active Pending
- 1976-06-28 NO NO762234A patent/NO142203C/no unknown
- 1976-06-29 DK DK292876A patent/DK153527C/da not_active IP Right Cessation
- 1976-06-29 GB GB26974/76A patent/GB1549220A/en not_active Expired
- 1976-06-30 FR FR7619880A patent/FR2316024A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NO142203B (no) | 1980-04-08 |
| FR2316024B1 (enrdf_load_stackoverflow) | 1982-04-02 |
| FI61648B (fi) | 1982-05-31 |
| DE2626224C2 (de) | 1985-01-03 |
| DK292876A (da) | 1976-12-31 |
| GB1549220A (en) | 1979-08-01 |
| FI61648C (fi) | 1982-09-10 |
| NO762234L (enrdf_load_stackoverflow) | 1977-01-03 |
| JPS526338A (en) | 1977-01-18 |
| DK153527C (da) | 1988-11-28 |
| DE2626224A1 (de) | 1977-02-03 |
| FI761846A7 (enrdf_load_stackoverflow) | 1976-12-31 |
| DK153527B (da) | 1988-07-25 |
| NO142203C (no) | 1980-07-16 |
| FR2316024A1 (fr) | 1977-01-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |