JPS5750264A - Centrifugal casting method for tapered pipe - Google Patents
Centrifugal casting method for tapered pipeInfo
- Publication number
- JPS5750264A JPS5750264A JP12739480A JP12739480A JPS5750264A JP S5750264 A JPS5750264 A JP S5750264A JP 12739480 A JP12739480 A JP 12739480A JP 12739480 A JP12739480 A JP 12739480A JP S5750264 A JPS5750264 A JP S5750264A
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- mold
- casting
- inside circumferential
- small diameter
- 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.)
- Granted
Links
Abstract
PURPOSE: To centrifugally cast two pieces of tapered pipes of the same inside diameter easily with one time of casting work by parting a casting at the place of a small diameter inside circumferential surface by the shrinkage stress developed on cooling and solidification of molten metal in a mold of which inside circumference surface becomes larger in diameter the nearer the two end sides.
CONSTITUTION: Molten metal (b) is supplied from a spout 2 into a mold 1, and while the inside circumferential surface of the molten metal is being maintained at the inside circumferential surface around the central axial center P by the centrifugal force developed by the revolution of the mold, the molten metal is cooled to solidify. Since a mold coating material (a) is packed in the groove 6 in a small diameter inside circumferential part, the packed part assumes a locally heat insulated state, and is therefore slower in the rate of solidification than that in the thin-walled molten metal part in contact with the small diameter inside circumferential surface part so that the casting is parted at the place of the small diameter inside circumferential part by the shrinkage stress developed on cooling and solidifying of the molten metal. After the cooling and solidifying, the casting is pulled to both sides, thus two pieces of tapered pipes of the same shape are produced simultaneously with one time of casting work by using one piece of the mold 1.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12739480A JPS5852741B2 (en) | 1980-09-12 | 1980-09-12 | Centrifugal casting method for tapered tubes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12739480A JPS5852741B2 (en) | 1980-09-12 | 1980-09-12 | Centrifugal casting method for tapered tubes |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5750264A true JPS5750264A (en) | 1982-03-24 |
JPS5852741B2 JPS5852741B2 (en) | 1983-11-25 |
Family
ID=14958900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12739480A Expired JPS5852741B2 (en) | 1980-09-12 | 1980-09-12 | Centrifugal casting method for tapered tubes |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5852741B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114850452A (en) * | 2021-02-03 | 2022-08-05 | 中国石油天然气集团有限公司 | Method for manufacturing wear-resistant workpiece |
-
1980
- 1980-09-12 JP JP12739480A patent/JPS5852741B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114850452A (en) * | 2021-02-03 | 2022-08-05 | 中国石油天然气集团有限公司 | Method for manufacturing wear-resistant workpiece |
Also Published As
Publication number | Publication date |
---|---|
JPS5852741B2 (en) | 1983-11-25 |
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