JPS5728667A - Method for casting - Google Patents
Method for castingInfo
- Publication number
- JPS5728667A JPS5728667A JP10275380A JP10275380A JPS5728667A JP S5728667 A JPS5728667 A JP S5728667A JP 10275380 A JP10275380 A JP 10275380A JP 10275380 A JP10275380 A JP 10275380A JP S5728667 A JPS5728667 A JP S5728667A
- Authority
- JP
- Japan
- Prior art keywords
- rabbling
- feeder head
- head portion
- electromagnetic
- machine
- 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 minimize the extension of shrinkage cavities by delaying the solidification of feeder head portion and, at the result, to reduce the amount of feeder head, by applying an electromagnetic rabbling to a portion corresponding to the feeder head portion when castings are performed.
CONSTITUTION: An electromagnetic rabbling machine 13 is installed at a feeder head portion 12 or between the feeder head portion 12 and the main body portion 11, so that the machine may surround the periphery of a steel ingot or a casting. Then, the solidification of the feeder head portion 12 is delayed by an electromagnetic rabbling action of this electromagnetic rabbling machine 13 when a casting is performed. Diagrams A, B, and C show the case of weak rabbling by the electromagnetic rabbling machine 13, the case of moderate rabbling, and the case of strong rabbling, respectively. That is to say, as the intensity of rabbling is strengthened, the extension of shrinkage cavities can be reduced as shown in diagram D. The l1 and (l1+l2) in the diagram show the length of shrinkage cavity and the length of whole casting, respectively.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10275380A JPS5728667A (en) | 1980-07-25 | 1980-07-25 | Method for casting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10275380A JPS5728667A (en) | 1980-07-25 | 1980-07-25 | Method for casting |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5728667A true JPS5728667A (en) | 1982-02-16 |
Family
ID=14335964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10275380A Pending JPS5728667A (en) | 1980-07-25 | 1980-07-25 | Method for casting |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5728667A (en) |
-
1980
- 1980-07-25 JP JP10275380A patent/JPS5728667A/en active Pending
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