JPS5666369A - Surface treatment of cast product - Google Patents
Surface treatment of cast productInfo
- Publication number
- JPS5666369A JPS5666369A JP14043379A JP14043379A JPS5666369A JP S5666369 A JPS5666369 A JP S5666369A JP 14043379 A JP14043379 A JP 14043379A JP 14043379 A JP14043379 A JP 14043379A JP S5666369 A JPS5666369 A JP S5666369A
- Authority
- JP
- Japan
- Prior art keywords
- coating
- mold
- core
- molten metal
- 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
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE: To form diffusion-bonded layer without any dimensional change etc. in the cast products by applying coating treatment in the process of casting of the cast products.
CONSTITUTION: A material coating casting surface is coated 2 on the surface of a core 1 formed to a desired shape, by applying an existing surface treating method such as spraying method, to perform coating molding 4 of the outside circumference of the core by a mold material using molding sand etc. Thence, the mold 4 is heated to above the m.p. of the material forming the core (below the m.p. of the coating material 2) and the core material in a fluid state is removed 5. In such a process, the coating material 2 remains as it is on the inside surface of the mold. A desired molten metal material 6 is poured into the mold 4 of such a state. In the process of freezing of the molten metal, the coating material 2 and the molten metal 6 react to form the cast product 7 formed with the coating layer 2 having high adhesive strength on the casting surface. The coating layer 2 sufficiently disperses and infilters into the casting structual material on account of the thermal energy of the molten metal, thereby forming a diffused layer.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14043379A JPS5666369A (en) | 1979-11-01 | 1979-11-01 | Surface treatment of cast product |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14043379A JPS5666369A (en) | 1979-11-01 | 1979-11-01 | Surface treatment of cast product |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5666369A true JPS5666369A (en) | 1981-06-04 |
Family
ID=15268551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14043379A Pending JPS5666369A (en) | 1979-11-01 | 1979-11-01 | Surface treatment of cast product |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5666369A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102527940A (en) * | 2011-12-22 | 2012-07-04 | 重庆水轮机厂有限责任公司 | Casting process for upper pendulums and lower pendulums of light-rail steel cast supports |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4834026A (en) * | 1971-09-03 | 1973-05-15 |
-
1979
- 1979-11-01 JP JP14043379A patent/JPS5666369A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4834026A (en) * | 1971-09-03 | 1973-05-15 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102527940A (en) * | 2011-12-22 | 2012-07-04 | 重庆水轮机厂有限责任公司 | Casting process for upper pendulums and lower pendulums of light-rail steel cast supports |
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