JPS6455325A - High-temperature resistant roll - Google Patents
High-temperature resistant rollInfo
- Publication number
- JPS6455325A JPS6455325A JP21082387A JP21082387A JPS6455325A JP S6455325 A JPS6455325 A JP S6455325A JP 21082387 A JP21082387 A JP 21082387A JP 21082387 A JP21082387 A JP 21082387A JP S6455325 A JPS6455325 A JP S6455325A
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- shaft
- roll
- ceramics
- clearance
- 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 prevent a sleeve from breakage and to improve the durability of roll by arranging a heat insulator between a water cooled roll shaft and the sleeve and holding the sleeve under elastic pressure in a roll having the water cooled roll shaft packed with ceramics sleeve. CONSTITUTION:The roll which is arranged horizontally through furnace walls 1, 1 and carries steel sheet, etc., in the furnace 2 is composed of a roll shaft 4 and a ceramics sleeve 5 covered with ceramics in its central part. The shaft 4 is hollow all over the length and cooling water X is supplied from its one end. On one hand, a ring-shaped fixing stopper 7 and a pushing material 8, for example, are arranged respectively on both ends of the sleeve 5. The stopper 7 is fixed to the shaft 4 and all over the surface of one end of the sleeve 5 is supported by contact surfaces 9 of a spigot structure I. Further, the other end surface of the sleeve 5 is supported under elastic pressure by the pressing material 8 having a compression spring 8c. Furthermore, the sleeve 5 is arranged with a clearance to the shaft 4 and a heat insulator 10 is charged in the clearance.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21082387A JPS6455325A (en) | 1987-08-25 | 1987-08-25 | High-temperature resistant roll |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21082387A JPS6455325A (en) | 1987-08-25 | 1987-08-25 | High-temperature resistant roll |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6455325A true JPS6455325A (en) | 1989-03-02 |
Family
ID=16595710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21082387A Pending JPS6455325A (en) | 1987-08-25 | 1987-08-25 | High-temperature resistant roll |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6455325A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02282415A (en) * | 1989-04-25 | 1990-11-20 | Toshiba Ceramics Co Ltd | Hearth roller |
US7919041B2 (en) * | 2005-09-13 | 2011-04-05 | Posco | Hearth roll apparatus for annealing furnace |
KR20200113835A (en) * | 2019-03-26 | 2020-10-07 | 주식회사 포스코 | Hearth roll in heating furnace |
-
1987
- 1987-08-25 JP JP21082387A patent/JPS6455325A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02282415A (en) * | 1989-04-25 | 1990-11-20 | Toshiba Ceramics Co Ltd | Hearth roller |
US7919041B2 (en) * | 2005-09-13 | 2011-04-05 | Posco | Hearth roll apparatus for annealing furnace |
KR20200113835A (en) * | 2019-03-26 | 2020-10-07 | 주식회사 포스코 | Hearth roll in heating furnace |
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