FR2219808A1 - - Google Patents

Info

Publication number
FR2219808A1
FR2219808A1 FR7404635A FR7404635A FR2219808A1 FR 2219808 A1 FR2219808 A1 FR 2219808A1 FR 7404635 A FR7404635 A FR 7404635A FR 7404635 A FR7404635 A FR 7404635A FR 2219808 A1 FR2219808 A1 FR 2219808A1
Authority
FR
France
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
Application number
FR7404635A
Other languages
French (fr)
Other versions
FR2219808B1 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Publication of FR2219808A1 publication Critical patent/FR2219808A1/fr
Application granted granted Critical
Publication of FR2219808B1 publication Critical patent/FR2219808B1/fr
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/16Control of thickness, width, diameter or other transverse dimensions
    • B21B37/24Automatic variation of thickness according to a predetermined programme
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B17/00Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/02Tube-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
    • B21B17/04Tube-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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B17/00Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/08Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills
    • B21B17/12Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills in a discontinuous process, e.g. plug-rolling mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B17/00Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/14Tube-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)
FR7404635A 1973-03-02 1974-02-12 Expired FR2219808B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP48025427A JPS5143825B2 (enrdf_load_stackoverflow) 1973-03-02 1973-03-02
US435509A US3874211A (en) 1973-03-02 1974-01-22 Method of controlling the wall thickness within a tube elongater by utilizing a screw down control

Publications (2)

Publication Number Publication Date
FR2219808A1 true FR2219808A1 (enrdf_load_stackoverflow) 1974-09-27
FR2219808B1 FR2219808B1 (enrdf_load_stackoverflow) 1977-09-30

Family

ID=26363027

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7404635A Expired FR2219808B1 (enrdf_load_stackoverflow) 1973-03-02 1974-02-12

Country Status (6)

Country Link
US (1) US3874211A (enrdf_load_stackoverflow)
JP (1) JPS5143825B2 (enrdf_load_stackoverflow)
BE (1) BE810061A (enrdf_load_stackoverflow)
DE (1) DE2409870A1 (enrdf_load_stackoverflow)
FR (1) FR2219808B1 (enrdf_load_stackoverflow)
GB (1) GB1442492A (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820865C2 (de) * 1978-05-10 1980-07-03 Mannesmann Ag, 4000 Duesseldorf Vorrichtung zum Herstellen von Rohren
DE2947233C2 (de) * 1979-11-23 1992-03-12 Kocks Technik Gmbh & Co, 4010 Hilden Vorrichtung zur Steuerung der Wanddicke von Rohren
JP3853428B2 (ja) * 1995-08-25 2006-12-06 Jfeスチール株式会社 鋼管の絞り圧延方法および設備
RU2138348C1 (ru) * 1998-10-12 1999-09-27 Открытое акционерное общество "Электростальский завод тяжелого машиностроения" Способ горячей прокатки бесшовных тонкостенных труб
DE102005044777A1 (de) * 2005-09-20 2007-03-29 Sms Meer Gmbh Verfahren und Walzwerk zur Herstellung eines nahtlosen Rohres
JP4873012B2 (ja) * 2006-10-16 2012-02-08 住友金属工業株式会社 マンドレルミル及び継目無管の製造方法
CN102303051B (zh) * 2011-06-15 2013-04-03 天津商业大学 使用七机架连轧机轧制无缝钢管的管形控制方法
EP2567762A1 (de) * 2011-09-12 2013-03-13 Nexans Vorrichtung zum Wellen eines aus Metall bestehenden Rohres
CN104428073B (zh) * 2012-07-24 2016-06-01 新日铁住金株式会社 无缝金属管的制造方法、芯棒式轧管机以及辅助夹具

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1515654A (fr) * 1967-03-21 1968-03-01 Kocks Gmbh Friedrich Procédé de réduction de tubes
FR1555893A (enrdf_load_stackoverflow) * 1966-12-30 1969-01-31

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2209968A (en) * 1938-05-02 1940-08-06 Nat Tube Co Manufacture of bessemer steel seamless tubes
US2767603A (en) * 1952-08-06 1956-10-23 United States Steel Corp Semiautomatic screw-down control for rolling mills
US2780118A (en) * 1953-02-05 1957-02-05 United States Steel Corp Apparatus for rolling tubes
US3369383A (en) * 1965-07-16 1968-02-20 Gen Dynamics Corp Rolling mill system
GB1176132A (en) * 1966-02-10 1970-01-01 United Eng Foundry Co Improvements in a Rolling Mill and Control for obtaining Constant Gauge
DE1752713C2 (de) * 1968-07-05 1983-09-01 Mannesmann AG, 4000 Düsseldorf Verfahren zum Auswalzen von Rohren in einem Streckreduzierwalzwerk

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1555893A (enrdf_load_stackoverflow) * 1966-12-30 1969-01-31
FR1515654A (fr) * 1967-03-21 1968-03-01 Kocks Gmbh Friedrich Procédé de réduction de tubes

Also Published As

Publication number Publication date
FR2219808B1 (enrdf_load_stackoverflow) 1977-09-30
BE810061A (fr) 1974-05-16
GB1442492A (en) 1976-07-14
JPS49113752A (enrdf_load_stackoverflow) 1974-10-30
US3874211A (en) 1975-04-01
JPS5143825B2 (enrdf_load_stackoverflow) 1976-11-25
DE2409870A1 (de) 1974-09-12

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