JPS5584251A - Casting method - Google Patents
Casting methodInfo
- Publication number
- JPS5584251A JPS5584251A JP15737378A JP15737378A JPS5584251A JP S5584251 A JPS5584251 A JP S5584251A JP 15737378 A JP15737378 A JP 15737378A JP 15737378 A JP15737378 A JP 15737378A JP S5584251 A JPS5584251 A JP S5584251A
- Authority
- JP
- Japan
- Prior art keywords
- sand
- mold
- water glass
- base
- casting
- 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.)
- Pending
Links
Abstract
PURPOSE: To cast the thin-walled cast steel product free from high temperature cracking by substituting the places shaping the thick-wall portions of the casting with the molding sand using water glass as a binder.
CONSTITUTION: The mold or core is made by organic base sand such as oil sand 3 and furan sand which exhibit superior effect in sand-strip characteristic after pouring, but the angle corner parts corresponding to the thick-wall portions of the casting thereof are made by the sand 2 prepared by compounding water glass to the aggregate of silica sand, alumina sand or mullite sand alone or their mixture. The water glass to be used is preferably the one of molar ratios 2W3.5 and specific gravities 1.1W1.6 and it is preferable that the completed mold be dried and hardened at 230W260°C prior to pouring. The cooling capacity of the core mold is preferably ratios of 0.7W0.8 with the oil sand mold or organic-base sand mold and 1 with water-glass-base mold.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15737378A JPS5584251A (en) | 1978-12-22 | 1978-12-22 | Casting method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15737378A JPS5584251A (en) | 1978-12-22 | 1978-12-22 | Casting method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5584251A true JPS5584251A (en) | 1980-06-25 |
Family
ID=15648230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15737378A Pending JPS5584251A (en) | 1978-12-22 | 1978-12-22 | Casting method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5584251A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003024642A1 (en) * | 2001-09-14 | 2003-03-27 | Hydro Aluminium Deutschland Gmbh | Method for producing castings, molding sand and its use for carrying out said method |
DE10357618B4 (en) * | 2003-12-10 | 2008-01-24 | Bender, Wilfried, Dr. | Method for producing a casting from a molten metal |
-
1978
- 1978-12-22 JP JP15737378A patent/JPS5584251A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003024642A1 (en) * | 2001-09-14 | 2003-03-27 | Hydro Aluminium Deutschland Gmbh | Method for producing castings, molding sand and its use for carrying out said method |
CN1298456C (en) * | 2001-09-14 | 2007-02-07 | 曼德尔和贝格尔氢化铝有限公司 | Method for producing castings, molding sand and its use for carrying out said method |
DE10357618B4 (en) * | 2003-12-10 | 2008-01-24 | Bender, Wilfried, Dr. | Method for producing a casting from a molten metal |
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