BE810061A - PROCEDURE FOR ADJUSTING THE WALL THICKNESS IN AN EXTENSION ROLLER FOR TUBES - Google Patents

PROCEDURE FOR ADJUSTING THE WALL THICKNESS IN AN EXTENSION ROLLER FOR TUBES

Info

Publication number
BE810061A
BE810061A BE140091A BE140091A BE810061A BE 810061 A BE810061 A BE 810061A BE 140091 A BE140091 A BE 140091A BE 140091 A BE140091 A BE 140091A BE 810061 A BE810061 A BE 810061A
Authority
BE
Belgium
Prior art keywords
tubes
procedure
adjusting
wall thickness
extension roller
Prior art date
Application number
BE140091A
Other languages
French (fr)
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 filed Critical
Publication of BE810061A publication Critical patent/BE810061A/en

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
BE140091A 1973-03-02 1974-01-23 PROCEDURE FOR ADJUSTING THE WALL THICKNESS IN AN EXTENSION ROLLER FOR TUBES BE810061A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP48025427A JPS5143825B2 (en) 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
BE810061A true BE810061A (en) 1974-05-16

Family

ID=26363027

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140091A BE810061A (en) 1973-03-02 1974-01-23 PROCEDURE FOR ADJUSTING THE WALL THICKNESS IN AN EXTENSION ROLLER FOR TUBES

Country Status (6)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820865C2 (en) * 1978-05-10 1980-07-03 Mannesmann Ag, 4000 Duesseldorf Device for making pipes
DE2947233C2 (en) * 1979-11-23 1992-03-12 Kocks Technik Gmbh & Co, 4010 Hilden Device for controlling the wall thickness of pipes
JP3853428B2 (en) * 1995-08-25 2006-12-06 Ｊｆｅスチール株式会社 Method and equipment for drawing and rolling steel pipes
DE102005044777A1 (en) * 2005-09-20 2007-03-29 Sms Meer Gmbh Method and rolling mill for producing a seamless pipe
CN101568395B (en) * 2006-10-16 2011-11-09 住友金属工业株式会社 Mandrel mill of seamless pipe and process for manufacturing seamless pipe
CN102303051B (en) * 2011-06-15 2013-04-03 天津商业大学 Pipe shape control method for rolling seamless steel pipe by using seven-frame tandem mill
EP2567762A1 (en) * 2011-09-12 2013-03-13 Nexans Device for corrugating a metal tube
US9884355B2 (en) * 2012-07-24 2018-02-06 Nippon Steel & Sumitomo Metal Corporation Manufacturing method of seamless metal pipe, mandrel mill, and auxiliary tool

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 (en) * 1967-03-21 1968-03-01 Kocks Gmbh Friedrich Tube reduction process
DE1752713C2 (en) * 1968-07-05 1983-09-01 Mannesmann AG, 4000 Düsseldorf Process for rolling tubes in a stretch-reducing mill

Also Published As

Publication number Publication date
GB1442492A (en) 1976-07-14
JPS49113752A (en) 1974-10-30
US3874211A (en) 1975-04-01
JPS5143825B2 (en) 1976-11-25
FR2219808A1 (en) 1974-09-27
FR2219808B1 (en) 1977-09-30
DE2409870A1 (en) 1974-09-12

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: SUMITOMO METAL INDUSTRIES LTD

Effective date: 19940123