EP1155754A3 - Lochdorn zum Schrägwalzen von metallischen Hohlkörpern auf Schrägwalzwerken - Google Patents

Lochdorn zum Schrägwalzen von metallischen Hohlkörpern auf Schrägwalzwerken Download PDF

Info

Publication number
EP1155754A3
EP1155754A3 EP01102440A EP01102440A EP1155754A3 EP 1155754 A3 EP1155754 A3 EP 1155754A3 EP 01102440 A EP01102440 A EP 01102440A EP 01102440 A EP01102440 A EP 01102440A EP 1155754 A3 EP1155754 A3 EP 1155754A3
Authority
EP
European Patent Office
Prior art keywords
mandrel
skew rolling
hollow bodies
base body
metallic hollow
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
Application number
EP01102440A
Other languages
English (en)
French (fr)
Other versions
EP1155754B1 (de
EP1155754A2 (de
Inventor
Thomas Leisten
Frank Salomon
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.)
SMS Siemag AG
Original Assignee
SMS Demag AG
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 SMS Demag AG filed Critical SMS Demag AG
Publication of EP1155754A2 publication Critical patent/EP1155754A2/de
Publication of EP1155754A3 publication Critical patent/EP1155754A3/de
Application granted granted Critical
Publication of EP1155754B1 publication Critical patent/EP1155754B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Metal Rolling (AREA)
  • Drilling Tools (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Extrusion Of Metal (AREA)

Abstract

Ein Lochdorn (1) zum Schrägwalzen von metallischen Hohlkörpern auf Schrägwalz- werken mit einem Einspannschaft (1a) und mit einem zur Spitze hin gewölbten Verlauf (12) des Lochdornballens (2) kann in seiner Standzeit gesteigert werden, indem der Lochdornballen (2) in zwei Längsabschnitte (3) geteilt ist und indem der Spitzenabschnitt (4) bei vollem Querschnitt (4a) aus einem hochschmelzenden Werkstoff oder einer hoch schmelzenden Werkstoff-Legierung besteht.
EP01102440A 2000-05-17 2001-02-03 Lochdorn zum Schrägwalzen von metallischen Hohlkörpern auf Schrägwalzwerken Expired - Lifetime EP1155754B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10024246 2000-05-17
DE10024246A DE10024246A1 (de) 2000-05-17 2000-05-17 Lochdorn zum Schrägwalzen von metallischen Hohlkörpern auf Schrägwalzwerken

Publications (3)

Publication Number Publication Date
EP1155754A2 EP1155754A2 (de) 2001-11-21
EP1155754A3 true EP1155754A3 (de) 2004-02-04
EP1155754B1 EP1155754B1 (de) 2005-10-05

Family

ID=7642436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01102440A Expired - Lifetime EP1155754B1 (de) 2000-05-17 2001-02-03 Lochdorn zum Schrägwalzen von metallischen Hohlkörpern auf Schrägwalzwerken

Country Status (4)

Country Link
EP (1) EP1155754B1 (de)
AT (1) ATE305827T1 (de)
DE (2) DE10024246A1 (de)
ES (1) ES2249331T3 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004052569A1 (ja) † 2002-12-12 2004-06-24 Sumitomo Metal Industries, Ltd. 継目無金属管の製造方法
DE102007037736B4 (de) * 2007-08-09 2012-11-15 Kocks Technik Gmbh & Co. Kg Dorn oder Dornstange für ein Rohrherstellungsverfahren und Verwendung solch eines Dorns oder solch einer Dornstange
CN100577849C (zh) * 2008-09-17 2010-01-06 西部金属材料股份有限公司 一种深冲钼带的制备方法
MX350356B (es) * 2012-08-24 2017-09-05 Nippon Steel & Sumitomo Metal Corp Tapón para la fabricación de tubo en caliente.
DE102013110725B3 (de) 2013-09-27 2015-02-12 Vallourec Deutschland Gmbh Lochdorn mit verbesserter Standzeit zur Herstellung nahtloser Rohre
DE102021128128A1 (de) 2021-10-28 2023-05-04 Vallourec Deutschland Gmbh Lochdorn mit einer Lochdornnase zur Herstellung nahtloser Rohre

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62207503A (ja) * 1986-03-10 1987-09-11 Nippon Kokan Kk <Nkk> 高合金鋼継目無管製造用プラグ
JPS63203205A (ja) * 1987-02-17 1988-08-23 Sumitomo Metal Ind Ltd 穿孔機用プラグ
JPH01289504A (ja) * 1988-05-16 1989-11-21 Sumitomo Metal Ind Ltd 鋼管穿孔機用プラグ
JPH02251304A (ja) * 1989-03-24 1990-10-09 Sumitomo Metal Ind Ltd 穿孔機用プラグ
EP0743106A1 (de) * 1995-05-19 1996-11-20 Nkk Corporation Verfahren zur Herstellung eines nahtlosen Rohres

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62207503A (ja) * 1986-03-10 1987-09-11 Nippon Kokan Kk <Nkk> 高合金鋼継目無管製造用プラグ
JPS63203205A (ja) * 1987-02-17 1988-08-23 Sumitomo Metal Ind Ltd 穿孔機用プラグ
JPH01289504A (ja) * 1988-05-16 1989-11-21 Sumitomo Metal Ind Ltd 鋼管穿孔機用プラグ
JPH02251304A (ja) * 1989-03-24 1990-10-09 Sumitomo Metal Ind Ltd 穿孔機用プラグ
EP0743106A1 (de) * 1995-05-19 1996-11-20 Nkk Corporation Verfahren zur Herstellung eines nahtlosen Rohres

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 012, no. 061 (M - 671) 24 February 1988 (1988-02-24) *
PATENT ABSTRACTS OF JAPAN vol. 012, no. 484 (M - 776) 16 December 1988 (1988-12-16) *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 069 (M - 0932) 8 February 1990 (1990-02-08) *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 579 (M - 1063) 25 December 1990 (1990-12-25) *

Also Published As

Publication number Publication date
ES2249331T3 (es) 2006-04-01
EP1155754B1 (de) 2005-10-05
EP1155754A2 (de) 2001-11-21
ATE305827T1 (de) 2005-10-15
DE50107592D1 (de) 2005-11-10
DE10024246A1 (de) 2001-11-22

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