GB1442492A - Method of and apparatus for the production of seamless tubes of uniform wall thickness - Google Patents

Method of and apparatus for the production of seamless tubes of uniform wall thickness

Info

Publication number
GB1442492A
GB1442492A GB744674A GB744674A GB1442492A GB 1442492 A GB1442492 A GB 1442492A GB 744674 A GB744674 A GB 744674A GB 744674 A GB744674 A GB 744674A GB 1442492 A GB1442492 A GB 1442492A
Authority
GB
United Kingdom
Prior art keywords
tube
mill
wall thickness
rolling
rods
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
Application number
GB744674A
Other languages
English (en)
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 GB1442492A publication Critical patent/GB1442492A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/16—Control of thickness, width, diameter or other transverse dimensions
    • B21B37/24—Automatic variation of thickness according to a predetermined programme
    • 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
    • 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
    • B21B17/08—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 having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills
    • B21B17/12—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 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
    • 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)
GB744674A 1973-03-02 1974-02-19 Method of and apparatus for the production of seamless tubes of uniform wall thickness Expired GB1442492A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP48025427A JPS5143825B2 (fr) 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 (1)

Publication Number Publication Date
GB1442492A true GB1442492A (en) 1976-07-14

Family

ID=26363027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB744674A Expired GB1442492A (en) 1973-03-02 1974-02-19 Method of and apparatus for the production of seamless tubes of uniform wall thickness

Country Status (6)

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

Families Citing this family (8)

* 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
DE102005044777A1 (de) * 2005-09-20 2007-03-29 Sms Meer Gmbh Verfahren und Walzwerk zur Herstellung eines nahtlosen Rohres
BRPI0718208B1 (pt) * 2006-10-16 2019-08-27 Nippon Steel & Sumitomo Metal Corp mandril laminador e processo de produção de um tubo sem costura
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 (fr) * 2011-09-12 2013-03-13 Nexans Dispositif d'ondulation d'un tuyau métallique
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

Family Cites Families (8)

* 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
US3492845A (en) * 1966-12-30 1970-02-03 Shibaura Kyodo Kogyo Kk Rolling mill control system
FR1515654A (fr) * 1967-03-21 1968-03-01 Kocks Gmbh Friedrich Procédé de réduction de tubes
DE1752713C2 (de) * 1968-07-05 1983-09-01 Mannesmann AG, 4000 Düsseldorf Verfahren zum Auswalzen von Rohren in einem Streckreduzierwalzwerk

Also Published As

Publication number Publication date
US3874211A (en) 1975-04-01
JPS49113752A (fr) 1974-10-30
JPS5143825B2 (fr) 1976-11-25
BE810061A (fr) 1974-05-16
FR2219808A1 (fr) 1974-09-27
DE2409870A1 (de) 1974-09-12
FR2219808B1 (fr) 1977-09-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee
PE20 Patent expired after termination of 20 years

Effective date: 19940218