EP2470315B1 - Procédé de fabrication de profilés creux à petits rayons d'arêtes par laminage à chaud - Google Patents

Procédé de fabrication de profilés creux à petits rayons d'arêtes par laminage à chaud Download PDF

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Publication number
EP2470315B1
EP2470315B1 EP10752278.1A EP10752278A EP2470315B1 EP 2470315 B1 EP2470315 B1 EP 2470315B1 EP 10752278 A EP10752278 A EP 10752278A EP 2470315 B1 EP2470315 B1 EP 2470315B1
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Prior art keywords
hollow
section
hot
reduction factor
sections
Prior art date
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EP10752278.1A
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German (de)
English (en)
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EP2470315A2 (fr
Inventor
Burkhard Helten
Thomas Müller
Nicolas Trapp
Norbert Arzt
Thorsten Schmitz
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Vallourec Deutschland GmbH
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Vallourec Deutschland GmbH
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Priority to PL10752278T priority Critical patent/PL2470315T3/pl
Publication of EP2470315A2 publication Critical patent/EP2470315A2/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/14—Recontouring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/16—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts of specific articles made from metal rods, tubes, or profiles, e.g. crankshafts, by specially adapted methods or means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D47/00—Making rigid structural elements or units, e.g. honeycomb structures
    • B21D47/01—Making rigid structural elements or units, e.g. honeycomb structures beams or pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/28—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
    • B66C23/283—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements
    • B66C23/286—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements with locking devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts
    • E04C3/32—Columns; Pillars; Struts of metal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12292—Workpiece with longitudinal passageway or stopweld material [e.g., for tubular stock, etc.]

Definitions

  • the invention relates to a method for producing hot-rolled hollow sections made of steel according to the preamble of claim 1. In particular, this is deviating from the circular shape hollow sections, such as hot-finished hollow sections according to EN 10210-2.
  • EN 10210-2 does not specify the outer radii of curvature but the lengths of the rounding areas, referred to below as visible edges.
  • a force can be introduced at least partially straight into a standing parallel to the force profile wall when the visible edge is smaller than the wall thickness, which is advantageous for the static design.
  • the tower elements are composed of square or rectangular hollow profiles, wherein the vertically extending Turm instituteckprofile, the so-called “corner stems”, are interconnected by bolts arranged centrally in the hollow profile.
  • a guide frame along the vertical tower element corner profiles is used, in which the guide rollers must run because of space reasons because of the bolt connection very close to the profile edge. at To large visible edges, the guide rollers would run too far in the hollow profile center, so that the individual tower elements could not be connected by the bolts.
  • z. B the lower chords of the boom of trolley tower cranes to obtain a wider bearing surface for the trolley rollers or generally when loaded on bending profiles, z. B. for that from the DE 10 2007 031 142 well-known crane track carrying system made of steel for high demands and that from the DE 10 2006 010 951 known supporting system made of steel for roof structures.
  • hollow profiles welded together for example, consisting of two L-shaped legs, which have very small visible edge lengths of ⁇ 1.0 ⁇ t and have thus far fallen below the standard specification for hot-finished hollow sections, have been used.
  • the object of the invention is therefore to provide a method for producing hot-rolled hollow sections with rectangular or square cross section of welded or seamless Vorrohren, with the simple and cost-effective manner in the course of Walzan production of the hollow sections also visible edge lengths with C 1 or C 2 ⁇ 1.5 xt can be realized.
  • the danger of the rolling plug increases if the pre-pipe diameter is too large, that is to say to a large degree of reduction compared with the standard pre-pipe diameter, in which the pipe to be reshaped by the rolls undergoes no advance in the rolling stand before it leaves the forming zone and gets stuck in the rolling stand.
  • the caliber charge in the radius ranges is insufficient and a sufficiently small visible edge is not generated.
  • the advantage of the method according to the invention is that compared with the hollow profiles welded together from individual profiles, hot-rolled hollow profiles that can now be produced very economically can also be used for applications that could not be used there due to the visible edge lengths that were previously too great.
  • the hollow section 1 of the tower element is designed as a vertically extending tower element corner profile "corner post".
  • the visible edges of the hollow profile are denoted by C 1 and C 2 .
  • the connection with the politicianstockenden tower element is done by means of a centrally through the opposite leg of the hollow section 1 plugged through bolt 2, which connects the Turmisseckprofile the lower with those of the tower element mounted thereon.
  • the hollow profile 1 is provided in the region of the bolt connection with reinforcing tabs 4, 4 'and the bolt 2 secured by splints 3, 3' against loosening.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Metal Rolling (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Rod-Shaped Construction Members (AREA)

Claims (2)

  1. Procédé de fabrication de profils creux laminés à chaud en acier, à section rectangulaire ou carrée, comprenant d'abord la fabrication d'un pré-tube essentiellement rond, fabriqué sans soudure par laminage à chaud ou usiné à froid et soudé, avec un diamètre extérieur nominal défini, puis, à température de déformation, transformé en profil creux avec la section souhaitée, les rebords visibles C1 et C2 des profils creux présentant une valeur de ≤ 1,5 x t (t = épaisseur de la paroi)
    caractérisé en ce
    que, pour une section de profil donnée, le pré-tube à introduire dans le laminoir profilé présente un diamètre extérieur nominal calculé en fonction du taux de réduction du pré-tube visé et des dimensions du profil creux visées, avec un taux de réduction situé entre -2 % et -13 % et calculé d'après la formule suivante : Taux de Réduction R % = 2 × H + B − π × D × 100 % / 2 × H + B ,
    Figure imgb0003
     où, pour une longueur des rebords visibles C1 et C2 des profils creux ≤ 1,0 × t, le taux de réduction du pré-tube se situe entre -2,2 et -4 %, mais
    pour une longueur des rebords visibles C1 et C2 des profils creux ≤ 0,6 × t, le taux de réduction du pré-tube s'élève à moins de < -4,0 %,
    avec pour références :
    H = hauteur du profil creux en mm
    B = largeur du profil creux en mm et
    D = diamètre du pré-tube chaud en mm avant le début du laminage.
  2. Procédé d'après la Revendication 1,
    caractérisé en ce
    que la transformation en profil creux s'opère en maintenant l'étalonnage des laminoirs à profils, afin d'utiliser un pré-tube avec un diamètre de pré-tube standard.
EP10752278.1A 2009-08-28 2010-08-12 Procédé de fabrication de profilés creux à petits rayons d'arêtes par laminage à chaud Active EP2470315B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10752278T PL2470315T3 (pl) 2009-08-28 2010-08-12 Sposób wytwarzania wydrążonych profili walcowanych na gorąco o prostokątnym przekroju poprzecznym i o małych promieniach zaokrąglenia krawędzi

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009039710.8A DE102009039710B4 (de) 2009-08-28 2009-08-28 Verfahren zur Herstellung warmgewalzter Hohlprofile mit kleinen Kantenradien, Hohlprofil und Verwendung des Hohlprofils
PCT/DE2010/000974 WO2011023167A2 (fr) 2009-08-28 2010-08-12 Procédé de fabrication de profilés creux à petits rayons d'arêtes par laminage à chaud

Publications (2)

Publication Number Publication Date
EP2470315A2 EP2470315A2 (fr) 2012-07-04
EP2470315B1 true EP2470315B1 (fr) 2017-08-02

Family

ID=43501052

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Country Status (9)

Country Link
US (1) US9056344B2 (fr)
EP (1) EP2470315B1 (fr)
KR (1) KR101766692B1 (fr)
CN (1) CN102574191B (fr)
BR (1) BR112012004309B1 (fr)
DE (1) DE102009039710B4 (fr)
ES (1) ES2645756T3 (fr)
PL (1) PL2470315T3 (fr)
WO (1) WO2011023167A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202011101599U1 (de) 2011-05-12 2011-09-23 Emilio Reales Bertomeo Offshore-Fundament für Windenergieanlagen
CN108607880A (zh) * 2018-05-18 2018-10-02 石家庄轴设机电设备有限公司 方矩形尖角管热成形生产线
CN110726064A (zh) 2018-07-17 2020-01-24 欣诺冷弯型钢产业研究院（曹妃甸）有限公司 一种角部增厚冷热复合成型的方矩形钢管及制备方法

Citations (3)

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US1019968A (en) * 1910-07-27 1912-03-12 Phenix Tube Company Tube-forming mechanism.
DE843834C (de) * 1944-04-19 1952-07-14 Deutsche Edelstahlwerke Ag Verfahren und Vorrichtung zum Ziehen von Hohlkoerpern
EP0405065A2 (fr) * 1989-06-30 1991-01-02 Fried. Krupp AG Hoesch-Krupp Procédé pour la fabrication de profilés creux rectangulaires en acier à épaisseur de paroi différente

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JPS6117323A (ja) * 1984-07-04 1986-01-25 Hitachi Ltd 金属管の製造方法
AT399674B (de) * 1992-08-03 1995-06-26 Voest Alpine Ind Anlagen Vorrichtung zum kontinuierlichen umformen eines metallischen rohres
JP3779335B2 (ja) * 1993-09-22 2006-05-24 日本発条株式会社 キャブオーバ−形運転室を有する車両のドアビーム
JPH0938722A (ja) * 1995-07-28 1997-02-10 Kawasaki Steel Corp 角鋼管の製造方法
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US5868299A (en) * 1997-05-05 1999-02-09 Abbey Etna Machine Company Method and apparatus for maintaining seam alignment in seam welded tubes
JP3353880B2 (ja) * 1997-08-28 2002-12-03 川崎製鉄株式会社 継目無角形鋼管の製造方法
DE10261604B4 (de) * 2002-06-28 2011-07-28 Nakajima Steel Pipe Co., Ltd. Verbindungsaufbau von Säulenstahlrohren
JP4388340B2 (ja) * 2003-10-03 2009-12-24 新日本製鐵株式会社 自動車用強度部材
JP2006009380A (ja) * 2004-06-25 2006-01-12 Nakajima Steel Pipe Co Ltd 鋼管柱および鋼管柱の製造方法
JP4780952B2 (ja) * 2004-11-26 2011-09-28 株式会社中田製作所 角管成形用ロールと角管のロール成形方法及び成形装置
DE102006010951A1 (de) * 2006-03-03 2007-09-06 V&M Deutschland Gmbh Tragsystem aus Stahl für Dachkonstruktionen
JP4283856B2 (ja) * 2006-06-12 2009-06-24 株式会社神戸製鋼所 リングギア用平線の製造方法
DE102007031142A1 (de) * 2007-07-02 2009-01-15 Dittmann, Cornelius, Dipl.-Ing. Kranbahntragsystem aus Stahl für hohe Beanspruchungen
DE102009008809A1 (de) 2009-02-11 2010-08-19 V & M Deutschland Gmbh Zugstange für die Abspannung eines Kranauslegers
DE102009008808A1 (de) 2009-02-11 2010-09-09 V & M Deutschland Gmbh Zugstange für die Abspannung eines Kranauslegers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1019968A (en) * 1910-07-27 1912-03-12 Phenix Tube Company Tube-forming mechanism.
DE843834C (de) * 1944-04-19 1952-07-14 Deutsche Edelstahlwerke Ag Verfahren und Vorrichtung zum Ziehen von Hohlkoerpern
EP0405065A2 (fr) * 1989-06-30 1991-01-02 Fried. Krupp AG Hoesch-Krupp Procédé pour la fabrication de profilés creux rectangulaires en acier à épaisseur de paroi différente

Also Published As

Publication number Publication date
KR101766692B1 (ko) 2017-08-09
BR112012004309B1 (pt) 2020-10-27
CN102574191B (zh) 2015-10-14
BR112012004309A2 (pt) 2016-03-15
WO2011023167A3 (fr) 2011-04-28
WO2011023167A2 (fr) 2011-03-03
US20120244372A1 (en) 2012-09-27
KR20120089639A (ko) 2012-08-13
PL2470315T3 (pl) 2017-12-29
EP2470315A2 (fr) 2012-07-04
DE102009039710A1 (de) 2011-03-31
DE102009039710B4 (de) 2014-03-20
ES2645756T3 (es) 2017-12-07
CN102574191A (zh) 2012-07-11
US9056344B2 (en) 2015-06-16

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