DE602004018309D1 - Hard metal composite roll for strip rolling - Google Patents
Hard metal composite roll for strip rollingInfo
- Publication number
- DE602004018309D1 DE602004018309D1 DE602004018309T DE602004018309T DE602004018309D1 DE 602004018309 D1 DE602004018309 D1 DE 602004018309D1 DE 602004018309 T DE602004018309 T DE 602004018309T DE 602004018309 T DE602004018309 T DE 602004018309T DE 602004018309 D1 DE602004018309 D1 DE 602004018309D1
- Authority
- DE
- Germany
- Prior art keywords
- room temperature
- composite roll
- metal composite
- hard metal
- strip rolling
- 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.)
- Expired - Lifetime
Links
- 238000005096 rolling process Methods 0.000 title abstract 2
- 239000002905 metal composite material Substances 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000013001 point bending Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2267/00—Roll parameters
- B21B2267/26—Hardness of the roll surface
Landscapes
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
A strip-rolling cemented carbide composite roll comprising an inner layer made of steel or iron, and an outer layer of cemented carbide bonded to an outer surface of the inner layer, wherein a thermal shock coefficient R represented by R = à c (1-½)/E± is 400 or more in the outer layer, wherein à c is a four-point bending strength at room temperature, ½ is a Poisson's ratio at room temperature, E is a Young's modulus at room temperature, and ± is an average thermal expansion coefficient between room temperature and 800°C.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04019233A EP1625896B1 (en) | 2004-08-12 | 2004-08-12 | Cemented carbide composite rolls for strip rolling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE602004018309D1 true DE602004018309D1 (en) | 2009-01-22 |
Family
ID=34926158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE602004018309T Expired - Lifetime DE602004018309D1 (en) | 2004-08-12 | 2004-08-12 | Hard metal composite roll for strip rolling |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1625896B1 (en) |
| AT (1) | ATE416856T1 (en) |
| DE (1) | DE602004018309D1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008042065A1 (en) | 2008-09-12 | 2010-03-25 | Robert Bosch Gmbh | Method for producing a component from a composite material and component from a composite material |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3209705B2 (en) * | 1997-03-25 | 2001-09-17 | 川崎製鉄株式会社 | Composite roll for cold rolling |
| US6197084B1 (en) * | 1998-01-27 | 2001-03-06 | Smith International, Inc. | Thermal fatigue and shock-resistant material for earth-boring bits |
| JP2001025803A (en) * | 1999-07-09 | 2001-01-30 | Kawasaki Steel Corp | Rolling mill of metallic plate and rolling method |
| JP2001087805A (en) * | 1999-09-21 | 2001-04-03 | Hitachi Metals Ltd | Composite sleeve made of sintered hard alloy |
| US6874942B2 (en) * | 2001-03-02 | 2005-04-05 | Nsk Ltd. | Rolling device |
| JP2004167503A (en) * | 2002-11-18 | 2004-06-17 | Hitachi Metals Ltd | Composite rolling roll made of cemented carbide |
-
2004
- 2004-08-12 DE DE602004018309T patent/DE602004018309D1/en not_active Expired - Lifetime
- 2004-08-12 EP EP04019233A patent/EP1625896B1/en not_active Expired - Lifetime
- 2004-08-12 AT AT04019233T patent/ATE416856T1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| EP1625896B1 (en) | 2008-12-10 |
| ATE416856T1 (en) | 2008-12-15 |
| EP1625896A1 (en) | 2006-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |