EP0879103B1 - Verfahren zum herstellen eines gewellten metalbandes - Google Patents

Verfahren zum herstellen eines gewellten metalbandes Download PDF

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Publication number
EP0879103B1
EP0879103B1 EP96916254A EP96916254A EP0879103B1 EP 0879103 B1 EP0879103 B1 EP 0879103B1 EP 96916254 A EP96916254 A EP 96916254A EP 96916254 A EP96916254 A EP 96916254A EP 0879103 B1 EP0879103 B1 EP 0879103B1
Authority
EP
European Patent Office
Prior art keywords
strip
rolls
corrugations
grooves
ribs
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 - Lifetime
Application number
EP96916254A
Other languages
English (en)
French (fr)
Other versions
EP0879103A1 (de
Inventor
Samuel James
Ernest Graham Salt
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.)
Voestalpine Metsec PLC
Original Assignee
Voestalpine Metsec PLC
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 Voestalpine Metsec PLC filed Critical Voestalpine Metsec PLC
Publication of EP0879103A1 publication Critical patent/EP0879103A1/de
Application granted granted Critical
Publication of EP0879103B1 publication Critical patent/EP0879103B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
    • E04C2/326—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with corrugations, incisions or reliefs in more than one direction of the element
    • 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
    • B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
    • B21D13/02—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by pressing
    • 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
    • B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
    • B21D13/04—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling

Definitions

  • This invention relates to a method for manufacturing elongate metal strip strip according to the preamble of claims 1 and 2 (see for example EP-A-0 150 913).
  • An elongate shaped section can, in its simplest form, be strip bent along a longitudinal line to produce two planar regions disposed at an angle to one another.
  • the invention is concerned with elongate channel sections for use inter alia as stud and/or track for partitioning constructions.
  • the invention still further resides in an alternative method of manufacturing elongate metal strip as defined in claim 2.
  • the pitch of the corrugations and the pitch of the transverse deformations are substantially equal.
  • FIGs 1, 2 and 3 which are simplistic representations, plane, elongate, mild steel strip is corrugated to produce rectilinear corrugations extending longitudinally of the strip, the corrugations being of part-circular transverse cross-section.
  • the exact shaping of the corrugations is not of major significance to the invention, and the corrugations can be such that the troughs 12 and crests 13 of the corrugated strip 11 have the same radius of curvature and the same width.
  • the crests may have a larger radius of curvature and width than the radius of curvature and width of the troughs.
  • the crest is deformed to produce a part-cylindrical depression 14 extending downwardly towards, or in some applications beyond, the median plane of the corrugated strip 11.
  • the part-cylindrical depressions 14 have their axes extending transverse to the length of the corrugations, preferably at right angles to the corrugation length, and the depressions 14 are aligned transversely of the strip.
  • the troughs 12 are also subject to deformation at a spacing along their length equal to the spacing of the depressions 14 in the crests.
  • the troughs are deformed upwardly towards, or beyond, the median plane of the strip 11 to form projections 15 the projections 15 being disposed along the troughs mid-way between the positioning of adjacent depressions 14 in the adjacent crests.
  • the projections 15 are of part-cylindrical form and are the mirror image of the depressions 14.
  • the projections 15 have their axes extending transverse to the length of the corrugations and are aligned transversely of the strip. In the embodiment shown in Figure 1 the height of the projections 15 is equal to the depth of the depressions 14.
  • the spacing of the depressions and projections along the length of the corrugations can be varied to achieve different physical properties.
  • the depth and curvature of the depressions and projections can also be changed to alter the physical properties.
  • the spacing of depressions 14 along the crests 13, and the equivalent spacing of projections 15 along troughs 12 is equal to the spacing of adjacent crests 13 across the width of the strip.
  • the strip 11 may be manufactured by a pressing operation in which plane strip is fed stepwise between upper and lower corrugating tools.
  • the upper and lower tools are mirror images of one another and are shaped to produce the pattern of corrugations extending longitudinally of the strip. After each stroke of the press the strip is fed by an amount equal to the tool length so that the next press stroke continues the previously formed corrugations along the length of the strip. After a predetermined length of strip has been formed with longitudinally extending corrugations the corrugated strip is fed through the press again, but after rotating the upper and lower press tools through 90°. Moreover, the stroke and pressure applied by the press is controlled so that the corrugation forms on the press tools, which of course now are extending transversely at right angles to the preformed corrugations, produce the depressions 14 and projections 15 in the preformed crests 13 and troughs 12 respectively.
  • the corrugations 12, 13 are produced in the elongate strip by a first pair of matching rolls between which the strip passes.
  • Each of the rolls of the pair has ribs and grooves, corresponding to the troughs and crests, extending circumferentially around the rolls.
  • the strip is then passed through the nip of a second pair of rolls, the rolls of the second pair having ribs and grooves extending axially of the rolls.
  • the second set of rolls produces the depressions 14 and projections 15 in the corrugations formed by the first pair of rolls, and the depth and height of the depressions 14 and projections 15 are controlled by the shaping of the ribs on the rolls of the second pair and the loading applied by the rolls to the corrugated strip.
  • Figure 4 illustrates a pair of rolls 16, 17 where the ribs and grooves for producing corrugations in the strip extend helically on the surface of the rolls.
  • the roll 17 is a mirror image of the roll 16 and thus mates therewith when rolling strip material.
  • the rolls 16, 17 will be geared together to ensure registration during roiling.
  • the helix angle of the ribs and grooves on the rolls 16, 17 is 45°, and thus when plane elongate strip is fed between the rolls the rolls produce corrugations extending at 45° to the length of the strip.
  • the corrugated strip In order to produce the depressions 14 and projections 15 in the 45° corrugations the corrugated strip can be inverted before being passed through the nip of the rolls 16, 17 again. During the second pass the spacing of the rolls is increased to determine the depth of the depressions 14 and height of the projections 15, it being recognised that by inverting the corrugated strip the corrugations of the strip will then lie at 90° to the form on the rolls 16, 17 so that the rolls 16, 17 will, in the second pass, produce the projections 15 and depressions 14.
  • Corrugations at angles other than 45° to the strip length can be formed if desired.
  • the corrugations can extend transverse to the length of the strip with the axes of the projections 15 and depressions 14 extending longitudinally of the strip.
  • Figure 5 illustrates the developed form of the ribs and depressions on the rolls 16, 17, and it is to be understood that this could be the developed form of any of the rolls or press tools.
  • the overall amplitude of the corrugations is A and the pitch of the corrugations is B.
  • the radius of curvature of the crests is C while the radius of curvature of the troughs is D .
  • the mild steel is galvanised mild steel strip and its thickness is 0.3-2.0mm.
  • the strip again is galvanised mild steel strip and in this instance its thickness is 0.3-2.0mm.
  • a single pair of rolls as illustrated in Figures 6 to 7 is utilized, one roll 21 having circumferential ribs and grooves which correspond to a mirror image set of grooves and ribs on the other roll 22 so that strip material is formed with longitudinal corrugations as it passes through the nip of the rolls.
  • the roll 22 is also formed with axial grooves intersecting the circumferential ribs, the axial grooves having the pitch and transverse curvature of the circumferential grooves of the roll such that a developed side elevation of a circumferential rib of the roll would be substantially identical to an axial sectional view of the periphery of the either roll.
  • the strip material ( Figures 9 to 12) produced by the rolls has longitudinal corrugations the troughs of which have regular, part cylindrical projections corresponding to the axial grooves in said one roll.
  • the roll with circumferential and axial grooves has a series of circumferential rows of teeth which deform the strip into the circumferential grooves of the other roll to produce longitudinal corrugations and transverse deformations simultaneously, the teeth having the same cross-section both axially and circumferentially of the roll 22.
  • both rolls can have axial grooves.
  • the rolls can be geared if desired so as to retain registration between depressions and projections longitudinally of the strip.
  • the circumferential grooves in the rolls 21,22 are V-shaped while the ribs defined between them are rounded, having part cylindrical crests.
  • the axial grooves in the roll 22 are similarly V-shaped, the crests of the ribs defined between the axial grooves being rounded by machining during formation of the axial grooves such that their radius of curvature circumferentially of the roll 22 is substantially equal to the radius of curvature axially of the roll 22.
  • the circumferentially extending grooves and ribs are conveniently produced by a turning operation whereas the axially extending grooves and corresponding rounding of the intervening crests is effected by spark erosion techniques.
  • the shaping of the strip produced by the rolls 21,22 is complex.
  • the circumferential ribs of the rolls 21, 22 were of 101mm diameter (50.5mm radius of curvature)
  • the V-shaped grooves both circumferential and axial in the roll 22
  • the pitch of the ribs/grooves measured axially of the rolls (and also circumferentially in the case of the roll 22) was 4.00mm and the crests of the ribs were of 1.25mm radius of curvature (both axially and circumferentially in the case of the roll 22).
  • Such rolls produced the deformation illustrated in Figures 9 to 12 in galvanised mild steel strip of 1.5mm thickness, the rolls spacing, rotational speed, and the roll pressure being set by trial and error to accommodate variables such as strip hardness, to produce well defined shaping of the strip, having longitudinal corrugations 23 the troughs of which have transverse deformations 24 similar to corrugations and merging into the corrugations 23.
  • the longitudinal corrugations are continuous across the width of the strip in the sense that there is no undeformed strip separating adjacent corrugations as would be the case with, for example, discrete parallel ribs.
  • the transverse deformations are spaced apart but in the preferred example of Figures 9 to 12 it can be seen that the transverse deformations flow into one another lengthwise of the strip in a manner similar to that in which the lengthwise corrugations flow into one another across the strip. In all cases the whole of the strip is deformed from its planar configuration in at least one direction.
  • Mild steel strip deformed as described above, is then cold rolled to produce the necessary shaped section.
  • the cold rolling does not significantly alter the corrugated form of the strip although of course high points of the strip and at sharp, for example right angle, bends in the strip, the shaping may become flattened.
  • the strip is not restricted to use in standard track for partitioning and may find use in other box, channel and like sections or angle for example for building purposes and/or reinforcement of UPVC window frames.
  • the shaping of the strip material with depressions and/or projections is of particular benefit where a self tapping screw or the like is screwed through the strip as the provision of corrugations with depressions and/or projections assists location of the screw during initial insertion and significantly increases the "pull-out" resistance of the engagement of the screw in the strip material.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Metal Rolling (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Claims (3)

  1. Verfahren zur Herstellung eines verlängerten Metallbandes (11), das eine große Anzahl von sich im Wesentlichen geradlinig erstreckenden Wellenformen aufweist, wobei die Rillen (12) und/oder die Kämme (13) der Wellenformen an vorherbestimmten Punkten verformt sind, welche entlang der Länge derselben hin in die Richtung der mittleren Ebene der Wellenformen oder darüber hinaus mit Abstand angeordnet sind, dadurch gekennzeichnet, dass ein im Wesentlichen unverformtes Metallband im kalten Zustand durch den Spalt eines Walzenpaares (16, 17; 21, 22) hindurchgeführt wird, welches entsprechende am Umfang verlaufende Rinnen und Rippen aufweist, wobei eine dieser Walzenrollen (22) auch sich axial erstreckende Rinnen aufweist, die in ihrer Form ähnlich sind wie die am Umfang verlaufenden Rinnen.
  2. Verfahren zur Herstellung eines verlängerten Metallbandes (11), das eine große Anzahl von sich im Wesentlichen geradlinig erstreckenden Wellenformen aufweist, wobei die Rillen (12) und/oder die Kämme (13) der Wellenformen an vorherbestimmten Punkten verformt sind, welche entlang der Länge derselben hin in die Richtung der mittleren Ebene der Wellenformen oder darüber hinaus mit Abstand angeordnet sind, dadurch gekennzeichnet, dass ein im Wesentlichen unverformtes Metallband (11) im kalten Zustand durch den Spalt eines ersten Walzenpaares (16, 17; 21, 22) hindurchgeführt wird, welches entsprechende am Umfang verlaufende Rinnen und Rippen aufweist, und dass dann das Band, das durch das erste Walzenpaar gewellt worden ist, durch den Spalt eines zweiten Walzenpaares hindurchgeführt wird, von dem mindestens eine der Walzenrollen sich axial erstreckende Rinnen und Rippen aufweist, die in ihrer Form ähnlich sind wie die Rinnen und Rippen der Walzenrollen (16, 17; 21, 22) des ersten Paares.
  3. Verfahren gemäss Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass die Steigung der Wellenformen und die Steigung der quer verlaufenden Verformungen im Wesentlichen gleich sind.
EP96916254A 1995-06-10 1996-06-07 Verfahren zum herstellen eines gewellten metalbandes Expired - Lifetime EP0879103B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9511847.7A GB9511847D0 (en) 1995-06-10 1995-06-10 Metal strip
GB9511847 1995-06-10
PCT/GB1996/001365 WO1996041691A1 (en) 1995-06-10 1996-06-07 Metal strip

Publications (2)

Publication Number Publication Date
EP0879103A1 EP0879103A1 (de) 1998-11-25
EP0879103B1 true EP0879103B1 (de) 2002-08-28

Family

ID=10775887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96916254A Expired - Lifetime EP0879103B1 (de) 1995-06-10 1996-06-07 Verfahren zum herstellen eines gewellten metalbandes

Country Status (5)

Country Link
EP (1) EP0879103B1 (de)
AU (1) AU5907696A (de)
DE (1) DE69623333D1 (de)
GB (1) GB9511847D0 (de)
WO (1) WO1996041691A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008062263A1 (de) * 2006-11-23 2008-05-29 Jochen Ellert Bauteil aus einem flachmaterial und verfahren zu seiner herstellung
EP2055404A1 (de) * 2007-10-29 2009-05-06 OnO Waterprotection GmbH Noppenfolie
DE19651937B4 (de) * 1996-12-15 2010-03-25 Frank Prof. Dr. Mirtsch Verfahren zur Herstellung mehrfach beulstrukturierter dünnwandiger Materialbahnen sowie Verfahren zur Herstellung mehrfach beulstrukturierter Dosenrümpfe

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9711523D0 (en) 1997-06-05 1997-07-30 Metsec Plc Structural systems
US5979050A (en) * 1997-06-13 1999-11-09 Abb Air Preheater, Inc. Air preheater heat transfer elements and method of manufacture
AU2002225448B2 (en) * 2001-01-22 2006-03-02 Showa Denko K.K. Inner fin for heat exchanger flat tubes and evaporator
GB0318474D0 (en) * 2003-08-07 2003-09-10 Evans Jonathan L Sheet or strip material
WO2007046116A1 (en) * 2005-10-20 2007-04-26 Metalmeccanica Meridionale S.P.A. Shaping roll for double cold working of sheet material and apparatus and process for realising said roll
JP5705402B2 (ja) * 2008-02-08 2015-04-22 ニチアス株式会社 アルミニウム成形板の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824664A (en) * 1972-03-29 1974-07-23 M Seeff Cladding sheets
EP0150913A2 (de) * 1984-02-01 1985-08-07 General Motors Corporation Walzwerkzeug zum Formen gewellter Streifen
JPH0824968B2 (ja) * 1986-07-29 1996-03-13 博夫 市川 強化コルゲ−トシ−トの製造方法及びその製造装置
JP2568088B2 (ja) * 1987-06-23 1996-12-25 博夫 市川 強化コルゲ−ト体の製法及びその装置
DE3740085A1 (de) * 1987-11-26 1989-06-08 Lanz Ind Technik Ag Gegen durchbiegung stabilisiertes material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19651937B4 (de) * 1996-12-15 2010-03-25 Frank Prof. Dr. Mirtsch Verfahren zur Herstellung mehrfach beulstrukturierter dünnwandiger Materialbahnen sowie Verfahren zur Herstellung mehrfach beulstrukturierter Dosenrümpfe
WO2008062263A1 (de) * 2006-11-23 2008-05-29 Jochen Ellert Bauteil aus einem flachmaterial und verfahren zu seiner herstellung
EP2055404A1 (de) * 2007-10-29 2009-05-06 OnO Waterprotection GmbH Noppenfolie

Also Published As

Publication number Publication date
WO1996041691A1 (en) 1996-12-27
DE69623333D1 (de) 2002-10-02
AU5907696A (en) 1997-01-09
EP0879103A1 (de) 1998-11-25
GB9511847D0 (en) 1995-08-09

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