WO2019002443A1 - Procédé de production d'un profilé en acier - Google Patents

Procédé de production d'un profilé en acier Download PDF

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Publication number
WO2019002443A1
WO2019002443A1 PCT/EP2018/067374 EP2018067374W WO2019002443A1 WO 2019002443 A1 WO2019002443 A1 WO 2019002443A1 EP 2018067374 W EP2018067374 W EP 2018067374W WO 2019002443 A1 WO2019002443 A1 WO 2019002443A1
Authority
WO
WIPO (PCT)
Prior art keywords
web
flanges
profiled
station
profile
Prior art date
Application number
PCT/EP2018/067374
Other languages
German (de)
English (en)
Inventor
Hans Spelten
Karl Gosejacob
Original Assignee
Spelten Consulting Gmbh
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 Spelten Consulting Gmbh filed Critical Spelten Consulting Gmbh
Publication of WO2019002443A1 publication Critical patent/WO2019002443A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • B23K26/26—Seam welding of rectilinear seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/32—Bonding taking account of the properties of the material involved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B23K31/022—Making profiled bars with soldered or welded seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/28—Beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0452—H- or I-shaped

Definitions

  • the invention relates to a method for producing a steel profile with two mutually parallel flanges made of flat material and a web which is arranged between the two flanges and connects them to one another, wherein the web of a straight course deviating, preferably profiled trapezoidal.
  • a steel profile of the type mentioned, that is, a steel profile with a trapezoidal profiled web is known from DE 8600 280.
  • the profiled web design of the generic steel profile provides an overall improved load capacity of the steel profile. Compared with a double-T-beam, which also has the improved load capacity of the generic steel profile, the material used in the generic steel profile is lower overall.
  • the construction of the generic steel profile thus allows, compared to a conventional double-T-beam either with the same material use to provide increased capacity or reduce the necessary material use for the same load capacity.
  • the web is arranged between the two flanges and welded to them. Due to the trapezoidal profiled configuration of the web, the manufacturing process used hitherto has proven to be costly, especially with regard to the design of uniform welds and the necessary devices.
  • the invention proposes a method for producing a generic steel profile, in which a previously tailored to measure flat sheet with its flat sides parallel to the horizontal aligned aligned profiling and profiled to form a deviating from a straight course web, preferably trapezoidal profiled is, in which the profiled, preferably trapezoidal profiled web and two flanges, which are aligned with their flat sides each perpendicular to the horizontal running, a positioning station are placed, the web is positioned between the two flanges, and then the web along its a longitudinal edge is welded to the one flange and along its other longitudinal edge with the other flange in each case over the entire web length.
  • a particular advantage of the method according to the invention is the fact that it permits continuous profile production in its sequence of steps.
  • the web is always aligned in its basic orientation parallel to the horizontal, so in the way of process implementation is not twisted about its longitudinal axis in particular not erect, in the Anschiuss to a positioning of web and flanges welding takes place to the final design of the steel profile.
  • this allows a simplified and faster processing, which can also be automated to a high degree.
  • the profiled web is erected upright, that is to say oriented in a vertical direction, onto a flange aligned with the horizontal. There is then a welding of the web with the flange along the flange facing the longitudinal edge of the web.
  • This intermediate product formed from web and flange is then rotated by the longitudinal direction of the web by 180 ° and placed on the second likewise horizontally oriented flange.
  • the web is welded to this second flange, along the longitudinal edge of the flange facing this flange Web.
  • the steel profile formed in this way is then rotated again by 90 ° about the profile longitudinal axis in order to achieve a horizontal alignment.
  • the inventive method is in contrast to the previously known method, a different way.
  • the starting point for the profiled bar is a previously cut to size flat plate. This means “tailored to measure” preferably not only a cut, but also the formation of standard straightness and planarity
  • This prepared flat sheet is aligned with its flat sides parallel to the horizontal. In this orientation, the flat plate or the web formed from it remains the entire process implementation. A rotation of the flat plate and / or the later web about the longitudinal axis of the flat plate and / or the web does not take place.
  • the horizontally oriented flat sheet is fed to a profiling station according to a first method step.
  • Profilierstation profiling takes place to form the preferably trapezoidal web.
  • This profiling is preferably carried out in sections, preferably by module bending at four deflection points. This results in parallel to the horizontal portions extending vertically offset from each other, wherein adjacent portions are connected by obliquely extending to the horizontal flank sections.
  • the web formed in the profiling station is then fed to a positioning station.
  • This positioning station is further supplied with two flanges.
  • the flanges are each aligned at right angles to the horizontal with their broad flat sides.
  • the one flange is associated with one longitudinal edge of the web and the other flange of the other longitudinal edge of the web.
  • the web is arranged between the two flanges.
  • the positioning station the positioning of the web between the flanges takes place, in the vertical direction.
  • "symmetrically symmetrical" means that the longitudinal axes of symmetry of the web and of the flanges are aligned in the same direction in the vertical direction.
  • the web and the flanges are welded together.
  • the previously positioned in the positioning station Passing components in their positioned orientation in a welding station in which then a welding takes place in that the web is welded along its one longitudinal edge with the one flange and along its other longitudinal edge with the other flange respectively over the entire web catches.
  • the welding station can be removed from the finished steel profile.
  • the inventive method allows the production of a generic steel profile in a machine line. At the beginning of this line, the flat sheet to be formed into the web is abandoned and at the end of the production line is the finished steel profile. It is allowed as a continuous production, which is also less expensive, especially with Bück on a desirable automation.
  • the later web forming flat sheet is provided with a positioning mark.
  • This positioning marking is preferably carried out in the profiling station, wherein it is particularly preferred to simultaneously profiling the flat sheet to form the web. the equipment of the flat sheet with a positioning mark provided.
  • the formation of a positioning mark has the advantage that a later alignment of the web in relation to the two flanges can be performed in a simplified manner.
  • the profiled web is positioned symmetrically aligned between the two flanges.
  • the symmetrically oriented arrangement of the web between the two flanges in particular has the advantage of an equally distributed introduction of force in the intended use case.
  • a center-symmetrical alignment is preferred, according to which the center symmetry axes of the web and the flanges extending in the longitudinal direction of the steel profile coincide.
  • the alignment of the web in relation to the two flanges is facilitated by the invention according to the invention introduced into the web or in the web forming the sheet metal positioning mark.
  • the positioning mark is suitably formed, for example in that they can be detected by corresponding position detection devices in a simple manner and in particular without errors. In this sense, for example, a trained as an imprint positioning mark.
  • the flanges supplied to the positioning previously be cut to size from flat sheet.
  • a cutting of flat sheet occurs, on the one hand flat bends being formed, which serve as flanges for later use, and those flat sheets which are formed into profiled webs in the course of carrying out the process according to the invention.
  • the flat sheets can advantageously be prepared in advance of a process implementation according to the invention and stored ready for use, so that a continuous assembly of the production line for carrying out the method according to the invention can take place with the aim to enable continuous steel profile production.
  • the web and the flanges are weld-stitched after their positioning in the positioning station and before welding in an intermediate step.
  • the method implementation according to the invention makes it basically not necessary to position securing flanges and web before a final welding by welding.
  • this optional intermediate process step may be provided. This is preferably when lower steel grades are used in the composition and / or geometric design.
  • the web is exclusively stitched and / or welded from above on one of its two large sides, preferably with respect to the horizontal orientation of the web.
  • it is basically sufficient to the web to weld only on one of its two large sides with the flanges according to the data of the strength calculation.
  • the respective weld is formed along the respective, properly prepared, cut longitudinal edge of the web, whereby a fillet weld between the longitudinal side of the web associated large side of the web and the associated flange is formed.
  • the welding preferably takes place with reference to the horizontal orientation of the web during the process implementation from above.
  • the relevant welding device drives from above between the two flanges to the longitudinal edge of the web to be welded and forms in the web longitudinal direction of the weld.
  • the welding device follows the longitudinal edge in correspondence with the profiled configuration of the web with respect to the vertical up and down.
  • a weld seam is formed along the longitudinal edge of the web, wherein the welding energy is adjusted in dependence of the web profile profile in web longitudinal direction. This ensures that only one such welding energy is always introduced into the weld to be formed, that it is precluded that heated weld material neither runs down nor is it jammed upwards, in particular in the region of the flank sections of the web, so that optically identical weld seams occur.
  • preferably used welding methods are laser welding and metal inert gas welding.
  • the metal inert gas welding has been found to be particularly suitable, since with high precision and sufficiently fast speed uniform welds can be formed, with unwanted leading and / or trailing welds can be avoided by the welding current is set depending on the web profiling.
  • the web is welded along its two longitudinal edges simultaneously with the flanges. Consequently, two weld seams are formed in only one welding operation, along one longitudinal edge of the web and along the other longitudinal edge of the web. This provides an accelerated process execution.
  • the Profilierstation is followed by a clock station, with which the profiled webs are forwarded to the positioning.
  • the forwarding of the profiled webs to the positioning preferably takes place using the previously introduced into the webs positioning marks. Because the positioning markings make it possible to forward the webs with defined distances from each other in modules to the positioning station. Also in this respect, the positioning marks prove to be advantageous.
  • the clock station is the uniform Veriahrens die arrangement. Thus, depending on the length of the steel profiles to be produced, different processing times may occur in the profiling station in comparison to the positioning station and / or the welding station. In order to be able to compensate in time for the purpose of continuous process implementation, the profile station is followed by a clock station. This sets the pace for the further implementation of the method, in particular in the positioning station and the welding station.
  • a steel profile is furthermore proposed on the device side, which is produced by the method described above.
  • Such a steel profile has two parallel aligned flanges made of flat material and a web.
  • the web is arranged between the two flanges, whereby they are interconnected.
  • the web is deviating from a straight course, preferably formed profiled trapezoidal.
  • the trapezoidal profiled web has staggered sections in the web transverse direction, which extend parallel to the longitudinal edges of the flanges arranged on the web and which are connected to each other under respective interposition of a transverse to the web transverse direction flank section.
  • This flank section is designed to extend obliquely to the longitudinal edges of the flanges arranged on the web, which permits the arrangement of the sections which is offset in profile transverse direction.
  • the bending angle between a section and a flank section adjacent thereto is preferably between 30 ° and 45 °.
  • Conventional steel profiles typically have a module depth of 104 mm, wherein the bending angle is 45 °.
  • the steel profile produced by the method according to the invention is optimized so that, depending on the profile height and with the same load capacity module depths between 60 mm and 200 mm are sufficient, the bending angle preferably between 30 ° and 45 °.
  • the reduced module depth that is, the distance between two adjacent web sections in web transverse direction provides particular advantages in the web profiling in the profiling.
  • the flat sheet placed on the profiling station is converted by means of pressing.
  • this provides the intended profiling a reduced pressing path while reducing the pressing force. This makes it possible in an advantageous manner to increase the production speed of the profiling and also make the profiling as such smaller. This reduces the investment and maintenance costs and thus simplifies the process execution according to the invention.
  • FIG. 1 shows a detail in a schematic perspective view of a steel profile according to the invention.
  • FIG. 2 shows a detail of a schematic sectional view of the steel profile of Figure 1 along section line II-II ..;
  • Fig. 3 is a schematic perspective view of the steel profile according to the invention at different process times and
  • FIG. 4 is a schematic plan view from above of a production line for carrying out the method according to the invention.
  • Fig. 1 shows a purely schematic perspective view of an inventive steel profile 1 recognize.
  • This has two flanges 2 and 3 and a web 4.
  • the web 4 is disposed between the two flanges 2 and 3 and connects them together.
  • the web 4 is formed profiled trapezoidal. He has sections 5 - also called web sections outside - which are offset in profile and web transverse direction 8 to each other. Between two adjacent sections 5, a respective flank section 6 - also called web section obliquely - arranged, which is formed obliquely to the profile and web transverse direction 8 and the profile and web longitudinal direction 7.
  • FIG. 3 The starting point for the method implementation according to the invention is shown in FIG. 3 is a tailored to measure flat plate 10.
  • This flat sheet 10 is supplied in correspondence of the arrow 11 to a not shown in Fig. 3 Profilierstation 14.
  • the flat plate 10 is aligned with its flat sides parallel to the horizontal, as this results in particular from the illustration of FIG.
  • the trapezoidal profiled web 4 is then in correspondence of the arrow 12 also in Fig. 3 not shown positioning station 18 fed, in which the web 4 in relation to two of the positioning station 18 also discontinued flanges 2 and 3 is positioned.
  • connection of web 4 and flanges 2 and 3 takes place according to a further process step not shown in FIG. 3.
  • This connection is formed by welding, 4 weld seams 9 are formed in a corresponding welding station 20 along the longitudinal edges 24 and 25 of the web, which connect the web 4 with the respectively associated flange 2 and 3 cohesively and non-positively.
  • FIG. 4 shows a schematic top view of a process line for carrying out the method according to the invention.
  • the process line begins in the illustrated embodiment with a feed roller table 13. This preferably transported by a crane flat plates 10 in the Zunaturalrollgang 13 downstream Profilierstation 14.
  • the trapezoidal profiling of the flat plate 10 takes place, namely module, that is ever In the profiling 14, the flat plate 10 is not only profiled, but also provided with a positioning mark.
  • a positioning mark simplifies the further handling of the web 4, thus enabling a simplified process control, and this in particular in a downstream clock station 15 and / or in a downstream positioning station 18th
  • the Profilierstation 14 is in the illustrated embodiment, a clocking station 15 downstream of the trapezoidal profiled flat sheets 10 are pulled out of the Profilierstation 14 module.
  • the flanges used 2 and 3 for example, have a thickness of 10 to 30 mm.
  • the flat sheet 10 has, for example, a thickness of 3 mm to 12 mm.
  • welding devices 22 are provided, which can move along rails 23 in the longitudinal direction of the flanges 2 and 3 or of the web 4.
  • the positioned components are passed in accordance with the arrow 27 in the welding station 20.
  • the web 4 and the flanges 2 and 3 are welded together over the entire profile length, at the same time along the two longitudinal edges 24 and 25 of the web 4.
  • welding devices 22 are provided, which are arranged movable on rails 23 in the profile longitudinal direction. In this case, the access of the welding devices 22 in accordance with the arrow 26 (see Fig. 2) from above on the steel profile 1, which leads to the formation of the weld 9.
  • the welding device 22 moves in the course of the formation of the weld 9 not only in profile and web longitudinal direction 7, but also in profile and web transverse direction 8, thus corresponding to the orientation of the flange 6 with respect to the plane of the drawing of FIG. 2 also upwards and below.
  • the welding energy is set as a function of the profiling of the web 4, so that in particular in the areas of the flank sections 6, that is, in the region of with respect to the drawing plane of FIG. 2 extending up and down welds 9 no weld seam lead and / or - return arises. A continuous and uniform weld seam formation is ensured.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

L'invention concerne un procédé pour produire un profilé en acier (1) comprenant deux flasques (2, 3) parallèles constitués d'un matériau plat et une pièce de liaison (4) disposée entre ces deux flasques (2, 3) et reliant ces derniers, cette pièce de liaison (4) étant conçue de manière à ne pas s'étendre de façon rectiligne, de préférence de façon à être profilée de manière trapézoïdale. Selon ledit procédé, une tôle plate (10) précédemment coupée à dimension dont les faces plates sont orientées parallèlement à l'horizontale est introduite dans un poste de profilage (14) et est profilée pour former une pièce de liaison (4) non rectiligne, de préférence trapézoïdale ; la pièce de liaison (4) profilée et deux flasques (2, 3) dont les faces plates sont respectivement orientées perpendiculairement à l'horizontale sont introduites dans un poste de positionnement (18), la pièce de liaison (4) étant agencée entre les deux flasques (2, 3) ; puis la pièce de liaison (4) est soudée le long d'un bord longitudinal (24) avec un flasque (2) et le long de son autre bord longitudinal (25) avec l'autre flasque (3), respectivement sur toute la longueur de la pièce de liaison.
PCT/EP2018/067374 2017-06-29 2018-06-28 Procédé de production d'un profilé en acier WO2019002443A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017114558.3 2017-06-29
DE102017114558.3A DE102017114558A1 (de) 2017-06-29 2017-06-29 Verfahren zur Herstellung eines Stahlprofils

Publications (1)

Publication Number Publication Date
WO2019002443A1 true WO2019002443A1 (fr) 2019-01-03

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PCT/EP2018/067374 WO2019002443A1 (fr) 2017-06-29 2018-06-28 Procédé de production d'un profilé en acier

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WO (1) WO2019002443A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114161009A (zh) * 2021-11-30 2022-03-11 华工法利莱切焊系统工程有限公司 一种桥梁钢箱梁生产系统及桥梁钢箱梁生产方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3362056A (en) * 1964-06-05 1968-01-09 Theodor Wuppermann Method of fabricating structural shapes
US3535768A (en) * 1967-09-11 1970-10-27 Inland Steel Co Method for producing welded beams
DE8600280U1 (de) 1986-01-08 1986-02-27 Spelten, Hans, 4054 Nettetal Profilstab
US4930329A (en) * 1987-10-28 1990-06-05 Maschinenbau Gerold Gmbh & Co. Kg Installation for producing metal girders

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3362056A (en) * 1964-06-05 1968-01-09 Theodor Wuppermann Method of fabricating structural shapes
US3535768A (en) * 1967-09-11 1970-10-27 Inland Steel Co Method for producing welded beams
DE8600280U1 (de) 1986-01-08 1986-02-27 Spelten, Hans, 4054 Nettetal Profilstab
US4930329A (en) * 1987-10-28 1990-06-05 Maschinenbau Gerold Gmbh & Co. Kg Installation for producing metal girders

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