ATE548134T1 - Verfahren und walzwerk zum herstellen von nahtlosen stahlrohren - Google Patents
Verfahren und walzwerk zum herstellen von nahtlosen stahlrohrenInfo
- Publication number
- ATE548134T1 ATE548134T1 AT08020693T AT08020693T ATE548134T1 AT E548134 T1 ATE548134 T1 AT E548134T1 AT 08020693 T AT08020693 T AT 08020693T AT 08020693 T AT08020693 T AT 08020693T AT E548134 T1 ATE548134 T1 AT E548134T1
- Authority
- AT
- Austria
- Prior art keywords
- piercer
- mandrel bar
- seamless steel
- rolling mill
- pipe blank
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 abstract 3
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 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
- B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
- B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/06—Rolling hollow basic material, e.g. Assel mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Metal Extraction Processes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007059320 | 2007-12-07 | ||
| DE102008056988A DE102008056988A1 (de) | 2007-12-07 | 2008-11-12 | Verfahren und Walzwerk zum Herstellen von nahtlosen Stahlrohren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE548134T1 true ATE548134T1 (de) | 2012-03-15 |
Family
ID=40621433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT08020693T ATE548134T1 (de) | 2007-12-07 | 2008-11-28 | Verfahren und walzwerk zum herstellen von nahtlosen stahlrohren |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN101450350B (de) |
| AT (1) | ATE548134T1 (de) |
| DE (1) | DE102008056988A1 (de) |
| RU (1) | RU2401708C2 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011010646A1 (de) | 2010-03-02 | 2011-09-08 | Sms Meer Gmbh | Warmwerkzeug und Verfahren zu seiner Herstellung |
| DE102012022014B3 (de) | 2012-11-03 | 2013-12-12 | Hans Joachim Pehle | Verfahren zur Herstellung nahtloser Stahlrohre mit geringer Exzentrizität |
| DE102014016502A1 (de) | 2014-11-07 | 2016-05-12 | Hua Guo | Warmumformwerkzeug mit verstärkter Oxid-Schutzschicht |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3735622A (en) | 1970-06-25 | 1973-05-29 | C Montagna | Tube rolling mills |
-
2008
- 2008-11-12 DE DE102008056988A patent/DE102008056988A1/de not_active Withdrawn
- 2008-11-28 AT AT08020693T patent/ATE548134T1/de active
- 2008-12-05 CN CN2008101798140A patent/CN101450350B/zh not_active Expired - Fee Related
- 2008-12-05 RU RU2008148091/02A patent/RU2401708C2/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101450350B (zh) | 2010-09-01 |
| RU2008148091A (ru) | 2010-06-10 |
| DE102008056988A1 (de) | 2009-06-10 |
| CN101450350A (zh) | 2009-06-10 |
| RU2401708C2 (ru) | 2010-10-20 |
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