DE1558016C3 - Process for the production of cold-rolled profiles from metal, preferably steel, strip - Google Patents

Process for the production of cold-rolled profiles from metal, preferably steel, strip

Info

Publication number
DE1558016C3
DE1558016C3 DE19661558016 DE1558016A DE1558016C3 DE 1558016 C3 DE1558016 C3 DE 1558016C3 DE 19661558016 DE19661558016 DE 19661558016 DE 1558016 A DE1558016 A DE 1558016A DE 1558016 C3 DE1558016 C3 DE 1558016C3
Authority
DE
Germany
Prior art keywords
cold
strip
production
metal
preferably steel
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
DE19661558016
Other languages
German (de)
Other versions
DE1558016A1 (en
DE1558016B2 (en
Inventor
Horst Pawalkat
Heinz Zigelski
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.)
Theodor Wuppermann 5090 Leverkusen GmbH
Original Assignee
Theodor Wuppermann 5090 Leverkusen 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 Theodor Wuppermann 5090 Leverkusen GmbH filed Critical Theodor Wuppermann 5090 Leverkusen GmbH
Publication of DE1558016A1 publication Critical patent/DE1558016A1/en
Publication of DE1558016B2 publication Critical patent/DE1558016B2/en
Application granted granted Critical
Publication of DE1558016C3 publication Critical patent/DE1558016C3/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/065—Light-weight girders, e.g. with precast parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Heat Treatment Of Steel (AREA)

Description

i 5b8 016i 5b8 016

Bei der Herstellung von kaltgewalzten Profilen aus Metall-, vorzugsweise Stahlband entsteht zwangläufig in den unmittelbaren Verformungsbereichen, also an den abgewinkelten Stellen, eine Werkstoffverfestigung.In the production of cold-rolled profiles from metal, preferably steel strip, this inevitably arises In the immediate deformation areas, i.e. at the angled points, material hardening.

Bekannterweise wurde bereits vorgeschlagen, die bei der Formgebung eines Profils keinen nennenswerten Formänderungen unterliegenden Teile durch eine oder mehrere Walzvorgänge, beispielsweise durch Balligformen in einer Arbeitsstufe und anschließendem Wiederglattwalzen in einer nachfolgenden Arbeitsstufe zusätzlich kaltzuverfestigen. Diesem Verfahren haftet jedoch der Nachteil an, daß auf der Oberseite der so behandelten Profilteile die Spuren des besagten Walzens kenntlich bleiben.As is well known, it has already been proposed that when shaping a profile, no significant Parts subject to changes in shape due to one or more rolling processes, for example by crowning in one work step and subsequent smooth rolling in a subsequent one Work stage additionally work hardened. However, this method has the disadvantage that the traces of said rolling remain recognizable on the upper side of the profile parts treated in this way.

Um dies zu vermeiden, wird erfindungsgemäß ein neuer Weg beschatten. Hierbei wurde erkannt, daß auf eine Kaltverfestigung der beim Profilieren keiner nennenswerten Kaltverfestigung unterliegenden Teile verzichtet werden kann, wenn durch »In-die-Kanten-Stauchen« von Bandmaterial während des Profiliereiis eine gezielte Kaltverfestigung an den Kanten vorgenommen wird.In order to avoid this, a new way is shadowed according to the invention. It was recognized that on strain hardening of the parts that are not subject to any significant strain hardening during profiling can be dispensed with if the strip material is "compressed into the edges" during profiling targeted work hardening is carried out on the edges.

Es läßt sich nach diesem Verfahren der Grad der Kaltverfestigung durch die Menge des zugegebenen Bandmaterials zum Zwecke des »In-die-Kanten-Stauchens« wunschgemäß in seiner Größe leicht festlegen. Hierbei ist es beispielsweise ohne weiteres möglich, das »Mehr« an Bandmaterial ,derart zu bemessen, daß praktisch scharfkantige ; Ecken entstehen. Die bei Durchführung des Verfahrens erzielbare Erhöhung des Gesamtwiderstandsmoments wirkt sich in jeder Weise vorteilhaft aus.According to this method, the degree of strain hardening can easily be determined in terms of its size as required by the amount of tape material added for the purpose of "upsetting into the edges". Here it is, for example, easily possible to measure the "excess" of tape material in such a way that practically sharp-edged ; Corners arise. The increase in the total drag torque that can be achieved when the method is carried out has an advantageous effect in every way.

Nach dem besagten Verfahren hergestellte Profile, ίο beispielsweise C-Profile, eignen sich, insbesondere dann, wenn sie in dem nicht kaltverfestigten Bereich mit Ausstanzungen oder Löchern versehen sind, als Armierungsträger für Stahlbetonbauten, wobei der Vorteil in der günstigen statischen Wirkung liegt.Profiles produced by the aforementioned method, for example C-profiles, are particularly suitable then, if they are provided with punchings or holes in the non-work-hardened area, as Reinforcement beams for reinforced concrete structures, the advantage of which is the favorable static effect.

Claims (1)

Patentanspruch:Claim: Verfahren zum Herstellen von kaltgewalzten Profilen aus Metall-, vorzugsweise Stahlband, die stellenweise eine zusätzliche Kaltverfestigung erfahren, dadurch gekennzeichnet, daß die Kaltverfestigung durch »In-die-Kanten-Stauchen« von Bandmaterial während der Profilierung vorgenommen wird.Process for the production of cold-rolled profiles from metal, preferably steel strip, which experience an additional work hardening in places, characterized in that the Work hardening carried out by "compressing the edges" of strip material during profiling will.
DE19661558016 1966-04-15 1966-04-15 Process for the production of cold-rolled profiles from metal, preferably steel, strip Expired DE1558016C3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW0041359 1966-04-15

Publications (3)

Publication Number Publication Date
DE1558016A1 DE1558016A1 (en) 1970-02-19
DE1558016B2 DE1558016B2 (en) 1971-03-11
DE1558016C3 true DE1558016C3 (en) 1974-01-10

Family

ID=7602802

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19661558016 Expired DE1558016C3 (en) 1966-04-15 1966-04-15 Process for the production of cold-rolled profiles from metal, preferably steel, strip

Country Status (2)

Country Link
AT (1) AT302785B (en)
DE (1) DE1558016C3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007051354B4 (en) 2007-10-26 2009-11-19 Welser Profile Ag Method for producing a profile from flat metal strip

Also Published As

Publication number Publication date
AT302785B (en) 1972-10-25
DE1558016A1 (en) 1970-02-19
DE1558016B2 (en) 1971-03-11

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Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee