EP0272204A3 - Method for controlling the thickness of tubewall - Google Patents
Method for controlling the thickness of tubewall Download PDFInfo
- Publication number
- EP0272204A3 EP0272204A3 EP87730165A EP87730165A EP0272204A3 EP 0272204 A3 EP0272204 A3 EP 0272204A3 EP 87730165 A EP87730165 A EP 87730165A EP 87730165 A EP87730165 A EP 87730165A EP 0272204 A3 EP0272204 A3 EP 0272204A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- tubewall
- thickness
- controlling
- 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
Classifications
-
- 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
- B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863643659 DE3643659A1 (en) | 1986-12-18 | 1986-12-18 | METHOD FOR CONTROLLING THE PIPE WALL THICKNESS |
DE3643659 | 1986-12-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0272204A2 EP0272204A2 (en) | 1988-06-22 |
EP0272204A3 true EP0272204A3 (en) | 1988-11-09 |
EP0272204B1 EP0272204B1 (en) | 1992-07-15 |
Family
ID=6316703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87730165A Expired - Lifetime EP0272204B1 (en) | 1986-12-18 | 1987-12-15 | Method for controlling the thickness of tubewall |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0272204B1 (en) |
DE (2) | DE3643659A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10201717C1 (en) * | 2002-01-18 | 2003-04-10 | Sms Meer Gmbh | Pipe rolling stand in which at least two rollers work together, takes the measured pipe wall thickness at different peripheral positions to control the roller rotary speeds independently |
DE102017211481A1 (en) | 2017-07-05 | 2019-01-10 | Sms Group Gmbh | Device for controlling a draft-reducing mill |
DE102017220750A1 (en) | 2017-11-21 | 2019-05-23 | Sms Group Gmbh | Device for controlling a draft-reducing mill |
DE102018217378B3 (en) * | 2018-10-11 | 2020-03-26 | Sms Group Gmbh | Wall thickness control when reducing pipe stretch |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1158754A (en) * | 1967-03-21 | 1969-07-16 | Kocks Wermelskirchen Gmbh | Process for Stretch-Reducing Tubes |
US3496745A (en) * | 1967-05-01 | 1970-02-24 | Kocks Gmbh Friedrich | Process for stretch-reducing tubes |
DE1427922B2 (en) * | 1965-04-07 | 1973-08-09 | Fa. Friedrich Kocks, 4000 Düsseldorf | ADJUSTMENT DEVICE FOR REGULATING THE OVERALL DRAW DEGREE WHEN DRAW-REDUCING PIPES |
DE2947233A1 (en) * | 1979-11-23 | 1981-05-27 | Kocks Technik GmbH & Co, 4000 Düsseldorf | ADJUSTMENT DEVICE FOR REGULATING THE TOTAL DEGREE OF DEGREE OF A DRAW REDUCTION MILL |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3564882A (en) * | 1968-04-22 | 1971-02-23 | Allegheny Ludlum Steel | Rolling mill control system |
JPS60199514A (en) * | 1984-03-22 | 1985-10-09 | Sumitomo Metal Ind Ltd | Draw rolling method of pipe |
-
1986
- 1986-12-18 DE DE19863643659 patent/DE3643659A1/en active Granted
-
1987
- 1987-12-15 DE DE8787730165T patent/DE3780429D1/en not_active Expired - Lifetime
- 1987-12-15 EP EP87730165A patent/EP0272204B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1427922B2 (en) * | 1965-04-07 | 1973-08-09 | Fa. Friedrich Kocks, 4000 Düsseldorf | ADJUSTMENT DEVICE FOR REGULATING THE OVERALL DRAW DEGREE WHEN DRAW-REDUCING PIPES |
GB1158754A (en) * | 1967-03-21 | 1969-07-16 | Kocks Wermelskirchen Gmbh | Process for Stretch-Reducing Tubes |
US3496745A (en) * | 1967-05-01 | 1970-02-24 | Kocks Gmbh Friedrich | Process for stretch-reducing tubes |
DE2947233A1 (en) * | 1979-11-23 | 1981-05-27 | Kocks Technik GmbH & Co, 4000 Düsseldorf | ADJUSTMENT DEVICE FOR REGULATING THE TOTAL DEGREE OF DEGREE OF A DRAW REDUCTION MILL |
Also Published As
Publication number | Publication date |
---|---|
EP0272204A2 (en) | 1988-06-22 |
EP0272204B1 (en) | 1992-07-15 |
DE3643659A1 (en) | 1988-07-07 |
DE3780429D1 (en) | 1992-08-20 |
DE3643659C2 (en) | 1990-05-17 |
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