RO94812B1 - Procedeu de obtinere a miezurilor ceramice - Google Patents
Procedeu de obtinere a miezurilor ceramiceInfo
- Publication number
- RO94812B1 RO94812B1 RO122446A RO12244686A RO94812B1 RO 94812 B1 RO94812 B1 RO 94812B1 RO 122446 A RO122446 A RO 122446A RO 12244686 A RO12244686 A RO 12244686A RO 94812 B1 RO94812 B1 RO 94812B1
- Authority
- RO
- Romania
- Prior art keywords
- cores
- ceramic cores
- preparing ceramic
- beeswax
- homogenization
- Prior art date
Links
- 239000000919 ceramic Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 abstract 1
- 235000013871 bee wax Nutrition 0.000 abstract 1
- 239000012166 beeswax Substances 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 238000000265 homogenisation Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000012169 petroleum derived wax Substances 0.000 abstract 1
- 235000019381 petroleum wax Nutrition 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Inventia se refera la un procedeu de btinere a miezurilor ceramice, utilizate, în special, pentru formele de la turnarea de precizie a pieselor metalice. Procedeul consta din amestecarea parafinei petroliere cu ceara de albine, iar dupa topire si omogenizare, se adauga pudra de cuart. Miezurile se obtin prin injectarea amestecului în niste forme metalice, fiind supuse, în continuare, unei încalziri lente cu o viteza de 1 degree C/min pâna la 300 degree C, dupa care se aplica o viteza mai mare de încalzire, pâna la 850÷2 h, dupa care miezurile se impregneaza cu silicat de etil hidrolizat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO122446A RO94812B1 (ro) | 1986-03-05 | 1986-03-05 | Procedeu de obtinere a miezurilor ceramice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO122446A RO94812B1 (ro) | 1986-03-05 | 1986-03-05 | Procedeu de obtinere a miezurilor ceramice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO94812B1 true RO94812B1 (ro) | 1988-07-31 |
Family
ID=40904384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO122446A RO94812B1 (ro) | 1986-03-05 | 1986-03-05 | Procedeu de obtinere a miezurilor ceramice |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO94812B1 (ro) |
-
1986
- 1986-03-05 RO RO122446A patent/RO94812B1/ro unknown
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