JPS6444246A - Method for continuously casting hollow cast billet - Google Patents
Method for continuously casting hollow cast billetInfo
- Publication number
- JPS6444246A JPS6444246A JP19826987A JP19826987A JPS6444246A JP S6444246 A JPS6444246 A JP S6444246A JP 19826987 A JP19826987 A JP 19826987A JP 19826987 A JP19826987 A JP 19826987A JP S6444246 A JPS6444246 A JP S6444246A
- Authority
- JP
- Japan
- Prior art keywords
- core
- heat insulating
- cast
- refractory heat
- cast billet
- 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
- 238000005266 casting Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000002184 metal Substances 0.000 abstract 3
- 239000011810 insulating material Substances 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
Landscapes
- Continuous Casting (AREA)
Abstract
PURPOSE:To improve the quality and the productivity of a cast billet by coating refractory heat insulating material contacting with molten metal on peripheral surface of a core and starting drawing of the hollow cast billet enclosing the refractory heat insulating material as cast-in state according to solidifying the molten metal. CONSTITUTION:The core 8 is arranged in the hollow part in a mold 1 and the molten metal 17 is made to flow into an annular passage between the mold 1 and the core 8 to hold it by a moving receiving table 16. Then, in the outer peripheral surface of the core 8, the surface is roughened and the refractory heat insulating ring 19 having irregularity is loosely fitted. When solidified shell 18 develops as casting progresses, at last the solidified shell 18 develops on the refractory heat insulating ring 19 and the ring 19 becomes the cast-in state. Under this condition that the hollow cast billet becomes the cast-in state, the drawing is started together with receiving table 16. As the refractory heat insulating ring 19 is fitted, the development of the solidified shell 18 at the core 8 side is prevented. By this method, the development of defect in the cast billet is prevented, and the quality and the productivity are improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19826987A JPH07106426B2 (en) | 1987-08-10 | 1987-08-10 | Continuous casting method for hollow ingot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19826987A JPH07106426B2 (en) | 1987-08-10 | 1987-08-10 | Continuous casting method for hollow ingot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6444246A true JPS6444246A (en) | 1989-02-16 |
| JPH07106426B2 JPH07106426B2 (en) | 1995-11-15 |
Family
ID=16388326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19826987A Expired - Lifetime JPH07106426B2 (en) | 1987-08-10 | 1987-08-10 | Continuous casting method for hollow ingot |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07106426B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03110047A (en) * | 1989-09-22 | 1991-05-10 | Furukawa Alum Co Ltd | Receiving base for vertical continuous casting for metal |
| JP2007137331A (en) * | 2005-11-21 | 2007-06-07 | Tokai Rika Co Ltd | Inner mirror |
-
1987
- 1987-08-10 JP JP19826987A patent/JPH07106426B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03110047A (en) * | 1989-09-22 | 1991-05-10 | Furukawa Alum Co Ltd | Receiving base for vertical continuous casting for metal |
| JP2007137331A (en) * | 2005-11-21 | 2007-06-07 | Tokai Rika Co Ltd | Inner mirror |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07106426B2 (en) | 1995-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 12 Free format text: PAYMENT UNTIL: 20071115 |