EP1595608A1 - Flexible rolling of light metals - Google Patents
Flexible rolling of light metals Download PDFInfo
- Publication number
- EP1595608A1 EP1595608A1 EP05010053A EP05010053A EP1595608A1 EP 1595608 A1 EP1595608 A1 EP 1595608A1 EP 05010053 A EP05010053 A EP 05010053A EP 05010053 A EP05010053 A EP 05010053A EP 1595608 A1 EP1595608 A1 EP 1595608A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- thickness
- initial
- rolling
- metal
- metal strip
- 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.)
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- 238000005096 rolling process Methods 0.000 title claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 title claims description 33
- 239000002184 metal Substances 0.000 title claims description 32
- 150000002739 metals Chemical class 0.000 title claims description 4
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 25
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 5
- 239000011777 magnesium Substances 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910001234 light alloy Inorganic materials 0.000 abstract 1
- 230000007704 transition Effects 0.000 description 9
- 238000005098 hot rolling Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- -1 ferrous metals Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
- B21B37/24—Automatic variation of thickness according to a predetermined programme
- B21B37/26—Automatic variation of thickness according to a predetermined programme for obtaining one strip having successive lengths of different constant thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
-
- 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
- Y10T428/12229—Intermediate article [e.g., blank, etc.]
- Y10T428/12271—Intermediate article [e.g., blank, etc.] having discrete fastener, marginal fastening, taper, or end structure
- Y10T428/12285—Single taper [e.g., ingot, etc.]
Definitions
- the invention relates to a method for flexible rolling of metal strip or metal blanks, wherein the metal strip or plates in the longitudinal direction of Rolling over the entire length from one initial thickness to a variable one Final thickness is rolled, as well as products produced by this process.
- a method of this kind is known from DE 197 04 300 A1. This is the starting material initially to a temperature above the crystallization temperature heated and then rolled out. This is what happens after the Hot rolling to a recrystallization of the material structure. From the wording a recrystallization temperature of above 700 ° is clear that as the starting material alloyed steels are to be assumed.
- the rolled strip can be made of steel or non-ferrous metals consist.
- From DE 199 26 228 A1 discloses a method for rolling aluminum sheet or Band known, in which this transverse to the conveying direction and additionally in the longitudinal direction each receives a non-uniform thickness profile. This requires a rolling stand with at least one work roll with different diameter ranges across to the conveying direction of the aluminum sheet or strip.
- the present invention is based on the object, the field of application of to expand the method mentioned above and in particular the method specially adapted selected light metal materials.
- the solution to this consists in a method in which as tape or board material Light metals, including their alloys, in particular aluminum or Magnesium are used and which is characterized in that the final thickness of the tape or board material comprises at least three different thickness stages. There are transition areas between individual thicknesses of constant thickness with variable thickness, in particular with a gradient between 1:40 and 1: 4000, defined as the thickness difference over length.
- the process products according to the invention can, for example, weight and strength optimization be further advanced in vehicle construction. While, for example, the largest Thickness level can be used to represent connection connections are Targeted adjustments to different load profiles with several additional thickness grades possible. This includes both the load in the elastic deformation range as well as loads in the event of a crash with plastic deformation.
- the thickness of the material over the entire length is reduced by at least 5%, based on the with 100% assumed initial thickness. This creates a preliminary or intermediate product improved quality and increased dimensional accuracy.
- the final thickness differences of the material between thickness levels adjacent to the thickness At least 10% should preferably be more than 20% in order to be targeted usable strength differences of the precursor for it to be produced To produce sheet metal parts.
- Preferred thickness ranges for the at least three thickness stages are in subclaims named.
- the selection of concrete values depends primarily on the strength requirements to be produced from the material according to the invention Finished product.
- the change between the different thickness stages can be at the board or Band material in any order, with this order on Repeat strip material periodically.
- the extent of the maximum thickness reduction should be 70%, based on the initial thickness of 100%, do not exceed.
- the minimum gradient proposed is 1: 4000. In practice will be Values near the maximum gradient outweigh.
- the material cold rolled or for hot rolling to a temperature between 350 and 470 ° C are heated.
- the material for hot rolling to a temperature between 180 and 280 ° C are heated.
- the invention further includes metal strip produced by said method or manufactured metal plates and surface elements produced therefrom, Pipes or profiles.
- the flexibly rolled material can be cut to length or cut to different sizes Be further processed and different uses be supplied.
- a board or a belt section 1 is shown prior to rolling, wherein its thickness is referred to as initial thickness with h0. From this initial thickness h0, the material is rolled in a single pass through flexible rolling to three different thickness stages h1, h2, h3 with h0>h1>h2> h3.
- h1 h0 - .DELTA.h 1
- h2 h 0 - .DELTA.h 2
- h3 h 0 - .DELTA.h third
- h1 ⁇ h0.
- h2 ⁇ h1 and h3 ⁇ h2.
- the rolling direction can in this case run from section 3 to section 4 or vice versa.
- a third transition section not shown, it is possible to change over from the thickness h3 to the thickness h1.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum flexiblen Walzen von Metallband oder Metallplatinen, wobei das Metallband oder die Metallplatinen in Längsrichtung des Walzvorgangs über die gesamte Länge von einer Ausgangsdicke auf eine veränderliche Enddicke ausgewalzt wird, sowie nach diesem Verfahren hergestellte Erzeugnisse. Ein Verfahren dieser Art ist aus der DE 197 04 300 A1 bekannt. Hierbei wird das Ausgangsmaterial zunächst auf eine Temperatur oberhalb der Kristallisationstemperatur erwärmt und anschließend ausgewalzt. Hierdurch kommt es nach dem Warmwalzen zu einer Rekristallisation des Werkstoffgefüges. Aus der Benennung einer Rekristallisationstemperatur von oberhalb 700° wird deutlich, daß als Ausgangsmaterial legierte Stähle anzunehmen sind.The invention relates to a method for flexible rolling of metal strip or metal blanks, wherein the metal strip or plates in the longitudinal direction of Rolling over the entire length from one initial thickness to a variable one Final thickness is rolled, as well as products produced by this process. A method of this kind is known from DE 197 04 300 A1. This is the starting material initially to a temperature above the crystallization temperature heated and then rolled out. This is what happens after the Hot rolling to a recrystallization of the material structure. From the wording a recrystallization temperature of above 700 ° is clear that as the starting material alloyed steels are to be assumed.
Aus der DE 299 13 509 U1 ist ein Mehrwalzerigerüst bekannt, mit dem das sogenannte "Flexible Walzen" möglich ist, indem der Walzspalt während des Walzprozesses entsprechend einem sich über der Bandlänge ändernden Dickenprofil eines Walzbandes geregelt wird. Das Walzband kann aus Stahl oder Nichteisenmetallen bestehen.From DE 299 13 509 U1 a Mehrwalzerigerüst is known with which the so-called "Flexible rolling" is possible by the nip during the rolling process in accordance with a changing over the tape length thickness profile of a Walzbandes is regulated. The rolled strip can be made of steel or non-ferrous metals consist.
Aus der DE 199 26 228 A1 ist ein Verfahren zum Walzen von Aluminiumblech oder -band bekannt, bei dem dieses quer zur Förderrichtung und zusätzlich in Längsrichtung jeweils ein ungleichförmiges Dickenprofil erhält. Dies erfordert ein Walzgerüst mit zumindest einer Arbeitswalze mit unterschiedlichen Durchmesserbereichen quer zur Förderrichtung des Aluminiumblechs oder-bandes. From DE 199 26 228 A1 discloses a method for rolling aluminum sheet or Band known, in which this transverse to the conveying direction and additionally in the longitudinal direction each receives a non-uniform thickness profile. This requires a rolling stand with at least one work roll with different diameter ranges across to the conveying direction of the aluminum sheet or strip.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, das Anwendungsgebiet des eingangs genannten Verfahrens zu erweitern und insbesondere das Verfahren an ausgewählte Leichtmetallwerkstoffe besonders anzupassen.The present invention is based on the object, the field of application of to expand the method mentioned above and in particular the method specially adapted selected light metal materials.
Die Lösung hierfür besteht in einem Verfahren, bei dem als Band- oder Platinenmaterial Leichtmetalle einschließlich ihrer Legierungen, insbesondere Aluminium oder Magnesium verwendet werden und das sich dadurch auszeichnet, daß die Enddicke des Band- oder Platinenmaterials zumindest drei verschiedene Dickenstufen umfaßt. Zwischen einzelnen Dickenstufen konstanter Dicke befinden sich Übergangsbereiche mit veränderlicher Dicke, insbesondere mit einem Gradienten zwischen 1:40 und 1:4000, definiert als Dickendifferenz über Länge. Mit den erfindungsgemäßen Verfahrenserzeugnissen kann beispielsweise die Gewichts- und Festigkeitsoptimierung im Fahrzeugbau weiter vorangetrieben werden. Während zum Beispiel die größte Dickenstufe zur Darstellung von Anschlußverbindungen genutzt werden kann, sind mit mehreren weiteren Dickenstufen gezielte Anpassungen an unterschiedliche Belastungsverläufe möglich. Dies schließt sowohl die Belastung im elastischen Verformungsbereich als auch Belastungen im Crashfall mit plastischer Verformung ein.The solution to this consists in a method in which as tape or board material Light metals, including their alloys, in particular aluminum or Magnesium are used and which is characterized in that the final thickness of the tape or board material comprises at least three different thickness stages. There are transition areas between individual thicknesses of constant thickness with variable thickness, in particular with a gradient between 1:40 and 1: 4000, defined as the thickness difference over length. With the process products according to the invention can, for example, weight and strength optimization be further advanced in vehicle construction. While, for example, the largest Thickness level can be used to represent connection connections are Targeted adjustments to different load profiles with several additional thickness grades possible. This includes both the load in the elastic deformation range as well as loads in the event of a crash with plastic deformation.
Wesentlich ist es, daß bei der Durchführung des Verfahrens die Dicke des Materials über der gesamten Länge um mindestens 5 % reduziert wird, bezogen auf die mit 100 % angenommene Ausgangsdicke. Hiermit entsteht ein Vor- oder Zwischenprodukt verbesserter Qualität und erhöhter Maßgenauigkeit.It is essential that in carrying out the process, the thickness of the material over the entire length is reduced by at least 5%, based on the with 100% assumed initial thickness. This creates a preliminary or intermediate product improved quality and increased dimensional accuracy.
Die Enddickenunterschiede des Materials zwischen in der Dicke benachbarten Dikkenstufen sollten mindestens 10 % bevorzugt mehr als 20 % betragen, um gezielt einsetzbare Festigkeitsunterschiede des Vorproduktes für daraus herzustellende Blechformteile zu erzeugen.The final thickness differences of the material between thickness levels adjacent to the thickness At least 10% should preferably be more than 20% in order to be targeted usable strength differences of the precursor for it to be produced To produce sheet metal parts.
Bevorzugte Dickenbereiche für die zumindest drei Dickenstufen sind in Unteransprüchen benannt. Die Auswahl konkreter Werte richtet sich in erster Linie nach den Festigkeitsansprüchen an das aus dem erfindungsgemäßen Material herzustellende Enderzeugnis. Preferred thickness ranges for the at least three thickness stages are in subclaims named. The selection of concrete values depends primarily on the strength requirements to be produced from the material according to the invention Finished product.
Der Wechsel zwischen den verschiedenen Dickenstufen kann am Platinen- oder Bandmaterial in beliebiger Reihenfolge erfolgen, wobei sich diese Reihenfolge am Bandmaterial periodisch wiederholen wird.The change between the different thickness stages can be at the board or Band material in any order, with this order on Repeat strip material periodically.
Das Ausmaß der maximalen Dickenreduzierung soll 70 %, bezogen auf die Ausgangsdicke von 100 %, nicht überschreiten. Daneben ist ein maximaler Gradient der Übergangsbereiche zwischen einzelnen benachbarten Dickenstufen von ca .1:40 einzuhalten. Als minimaler Gradient wird 1:4000 vorgeschlagen. In der Praxis werden Werte in der Nähe des maximalen Gradienten überwiegen.The extent of the maximum thickness reduction should be 70%, based on the initial thickness of 100%, do not exceed. In addition, a maximum gradient of Transition areas between individual adjacent thicknesses of approx. 1: 40 observed. The minimum gradient proposed is 1: 4000. In practice will be Values near the maximum gradient outweigh.
Bei der Verwendung von Aluminium als Band- oder Platinenmaterial kann das Material kaltgewalzt werden oder zum Warmwalzen auf eine Temperatur zwischen 350 und 470°C erwärmt werden.When using aluminum as a tape or board material, the material cold rolled or for hot rolling to a temperature between 350 and 470 ° C are heated.
Bei der Verwendung von Magnesium als Band- oder Platinenmaterial soll das Material zum Warmwalzen auf eine Temperatur zwischen 180 und 280°C erwärmt werden.When using magnesium as a tape or board material, the material for hot rolling to a temperature between 180 and 280 ° C are heated.
Beim Warmwalzen kann das Vorwärmen des Bandmaterials am aufgewickelten Coil erfolgen. Es ist jedoch auch die Erwärmung von abgewickeltem Band in einem Durchlaufverfahren, insbesondere die induktive Erwärmung möglich.When hot rolling, the preheating of the strip material on the wound coil respectively. However, it is also the heating of unwound tape in one Continuous process, in particular the inductive heating possible.
Die Erfindung schließt weiterhin nach dem genannten Verfahren hergestelltes Metallband oder hergestellte Metallplatinen ein sowie daraus wiederum hergestellte Flächenelemente, Rohre oder Profile.The invention further includes metal strip produced by said method or manufactured metal plates and surface elements produced therefrom, Pipes or profiles.
Das flexibel gewalzte Material kann abgelängt oder beschnitten werden und auf unterschiedliche Weise weiterverarbeitet werden und verschiedenen Verwendungen zugeführt werden. Es wird zunächst auf die DE 100 41 281 A1 Bezug genommen, wonach Platinen aus flexibel gewalztem Metallband durch Tiefziehen oder andere Umformverfahren zu Profilen oder Napfelementen umgeformt werden können. Weiter wird auf die ältere DE 103 23 694 A1 verwiesen, wobei unmittelbar nach dem flexiblen Walzen von endlosem Bandmaterial dieses zu einem endlosen Rohr oder Profil umgeformt und dann zu einzelnen Rohr- oder Profilstücken abgelängt wird. Weiterhin wird auf die DE 103 23 693 A1 verwiesen, wonach flexibel gewalztes Material zu Rohr- oder Profilkörpern mit unrundem Querschnitt verformt wird. Ebenfalls wird auf die Anmeldung 102004017343.5 vom 06.04.2004 verwiesen, wonach flexibel gewalztes Material durch Tiefziehen zu einem Rohr oder Profil mit in Längsrichtung veränderlichem Querschnitt umgeformt wird. Schließlich wird auf die Anmeldung 102004019448.3 vom 19.04.2004 verwiesen, nach der hybrid aufgebaute Blechelemente aus unterschiedlichen Teilen unter Verwendung von flexibel gewalztem Material hergestellt werden. Auf den Offenbarungsgehalt all dieser älteren Patentanmeldungen der gleichen Anmelderin wird hiermit inhaltlich ausdrücklich Bezug genommen. In letztgenanntem Fall können bei Verwendung von geeigneten Fügetechniken auch hybrid hergestellte Elemente erzeugt werden, die zum Teil aus flexibel gewalztem Aluminium oder Magnesium und zum Teil aus Stahlblech bestehen.The flexibly rolled material can be cut to length or cut to different sizes Be further processed and different uses be supplied. Reference is first made to DE 100 41 281 A1, then blanks of flexibly rolled metal strip by deep drawing or other Forming process to profiles or cup elements can be reshaped. Further is referred to the older DE 103 23 694 A1, wherein immediately after the flexible Rolling of endless strip material this to an endless tube or profile deformed and then cut to individual pipe or profile pieces. Farther Reference is made to DE 103 23 693 A1, according to which flexible rolled material to Pipe or profile bodies is deformed with non-circular cross-section. Also will open the application 102004017343.5 dated 06.04.2004 referenced, after which flexible rolled material by deep drawing into a tube or profile with longitudinal direction variable section is transformed. Finally, on the application 102004019448.3 dated 19.04.2004 referenced after the hybrid constructed sheet metal elements from different parts using flexible rolled material getting produced. On the disclosure of all these earlier patent applications the same applicant is hereby expressly incorporated by reference. In the latter case, when using suitable joining techniques also produced hybrid elements, some of flexibly rolled Aluminum or magnesium and partly made of sheet steel.
Beispiele für die Veränderungen am Band- oder Platinenmaterial beim Walzen sind in den Zeichnungen verdeutlicht.
- Figur 1
- zeigt eine Platine oder einen Bandabschnitt vor dem Walzen;
- Figur 2
- zeigt eine Platine oder einen Bandabschnitt nach dem Walzen.
- FIG. 1
- shows a board or a belt section before rolling;
- FIG. 2
- shows a board or a belt section after rolling.
In Figur 1 ist eine Platine oder ein Bandabschnitt 1 vor dem Walzen dargestellt, wobei seine Dicke als Ausgangsdicke mit h0 bezeichnet ist. Von dieser Ausgangsdicke h0 aus wird das Material in einem einzigen Walzstich durch flexibles Walzen auf drei verschiedene Dickenstufen h1, h2, h3 gewalzt mit h0 > h1 > h2 > h3. Hierbei soll gelten h1 = h0 - Δh1, h2 = h0 - Δh2 und h3 = h0 - Δh3.In Figure 1, a board or a belt section 1 is shown prior to rolling, wherein its thickness is referred to as initial thickness with h0. From this initial thickness h0, the material is rolled in a single pass through flexible rolling to three different thickness stages h1, h2, h3 with h0>h1>h2> h3. Here it should apply h1 = h0 - .DELTA.h 1, h2 = h 0 - .DELTA.h 2 and h3 = h 0 - .DELTA.h third
In Figur 2 ist eine Platine oder ein Bandabschnitt 2 nach dem Walzen gezeigt, wobei
ein erster Abschnitt 3 eine Dicke h1 = h0 - Δh1 hat. ein zweiter Bandabschnitt 4 eine
Dicke h2 = h0 - Δh2 aufweist und ein dritter Bandabschnitt 5 eine Dicke h3 = h0 -
Δh3 umfaßt. Ein erster Übergangsabschnitt 6 von der Länge L1 bildet den Übergang
von der Dicke h1 zur Dicke h2. wobei der Gradient idealisiert mit Y1 = (h1 - h2)/L1 zu
berechnen ist. Ein zweiter Übergangsabschnitt 7 bildet mit der Länge L2 den Übergang
von der Dicke h2 zur Dicke h3, wobei der Gradient idealisiert mit Y2 = (h2 -
h3)/L2 zu ermitteln ist. Da das Bandmaterial über die gesamte Länge gewalzt wird, ist
h1 < h0. Wie weiter zu erkennen ist, ist h2 < h1 und h3 < h2. Die Walzrichtung kann
hierbei vom Abschnitt 3 zum Abschnitt 4 oder umgekehrt verlaufen. Mit einem dritten
nicht dargestellten Übergangsabschnitt kann von der Dicke h3 wieder auf die Dicke
h1 übergegangen werden. FIG. 2 shows a board or a belt section 2 after rolling, wherein a first section 3 has a thickness h1 = h0-Δh 1 . a
- 11
- Bandabschnittband section
- 22
- Bandabschnittband section
- 33
- Bandabschnittband section
- 44
- Bandabschnittband section
- 55
- Bandabschnittband section
- 66
- ÜbergangsbereichTransition area
- 77
- ÜbergangsbereichTransition area
Claims (20)
dadurch gekennzeichnet, daß die Enddicke zumindest drei verschiedene Dickenstufen umfaßt.A method of flexibly rolling metal strip or sheets, wherein the metal strip or plate is rolled lengthwise from one initial thickness to a final variable thickness over the entire length of the rolling operation, using light metals as the strip or sheet material.
characterized in that the final thickness comprises at least three different thickness stages.
dadurch gekennzeichnet, daß die Dicke des Materials über der gesamten Länge um mindestens 5 % reduziert wird, bezogen auf die Ausgangsdicke von 100 %.Method according to claim 1.
characterized in that the thickness of the material over the entire length is reduced by at least 5%, based on the initial thickness of 100%.
dadurch gekennzeichnet, daß Enddickenunterschiede des Materials zwischen bezüglich ihrer Dicke benachbarten Dickenstufen von mindestens 10 % erzeugt werden, bezogen auf die Ausgangsdicke von 100 %.Method according to one of claims 1 or 2,
characterized in that final thickness differences of the material between thickness levels adjacent to each other of at least 10%, based on the initial thickness of 100%, are generated.
dadurch gekennzeichnet, daß die Dicke der größten Dickenstufe zwischen 95 und 75 % liegt, bezogen auf die Ausgangsdicke von 100 %.Method according to one of claims 1 to 3,
characterized in that the thickness of the largest thickness stage is between 95 and 75%, based on the initial thickness of 100%.
dadurch gekennzeichnet, daß die Dicke der zweitgrößten Dickenstufe zwischen 85 und 45 % liegt, bezogen auf die Ausgangsdicke von 100 %.Method according to one of claims 1 to 4.
characterized in that the thickness of the second largest thickness step is between 85 and 45%, based on the initial thickness of 100%.
dadurch gekennzeichnet, daß die Dicke der drittgrößten Dickenstufe zwischen 75 und 30 % liegt, bezogen auf die Ausgangsdicke von 100 %.Method according to one of claims 1 to 5,
characterized in that the thickness of the third largest thickness stage is between 75 and 30%, based on the initial thickness of 100%.
dadurch gekennzeichnet, daß sich verschiedene Dickenstufen periodisch, jedoch in beliebiger Reihenfolge abwechseln. Method according to one of claims 1 to 6,
characterized in that alternate different thickness stages periodically, but in any order.
dadurch gekennzeichnet, daß die Dickenänderungen zwischen den einzelnen Dickenstufen mit einem Gradienten y von höchstens 1:40 und von mindestens 1:4000 vorgenommen werden.Method according to one of claims 1 to 7,
characterized in that the changes in thickness between the individual thickness stages with a gradient y of at most 1:40 and at least 1: 4000 are made.
dadurch gekennzeichnet, daß die Dicke des Materials maximal um 70 % reduziert wird, bezogen auf die Ausgangsdicke von 100 %.Method according to one of claims 1 to 8,
characterized in that the thickness of the material is reduced by a maximum of 70%, based on the initial thickness of 100%.
dadurch gekennzeichnet, daß bei der Verwendung von Aluminium das Material vor dem Walzen auf eine Temperatur von mindestens 350 ― 470°C erwärmt wird.Method according to one of claims 1 to 9,
characterized in that, when using aluminum, the material is heated to a temperature of at least 350-470 ° C prior to rolling.
dadurch gekennzeichnet, daß bei der Verwendung von Magnesium das Material vor dem Walzen auf eine Temperatur von 180 - 280°C erwärmt wird.Method according to one of claims 1 to 9,
characterized in that, when using magnesium, the material is heated to a temperature of 180-280 ° C prior to rolling.
dadurch gekennzeichnet. daß Band oder Platinen mit einer Breite von mehr als 1400 mm quer zur Walzrichtung verwendet werden.Method according to one of claims 1 to 11,
characterized. that tape or boards with a width of more than 1400 mm are used transversely to the rolling direction.
dadurch gekennzeichnet, daß die Enddicke zumindest drei verschiedene Dickenstufen umfaßt.Metal strip or sheet metal, which has been rolled by flexible rolling in the longitudinal direction of the rolling operation over the entire length from an initial thickness to a length-varying final thickness, being used as a strip or plate material light metals,
characterized in that the final thickness comprises at least three different thickness stages.
dadurch gekennzeichnet, daß Enddickenunterschiede des Materials zwischen in der Größe benachbarten Dickenstufen von mindestens 10 % vorliegen, bezogen auf die Ausgangsdicke von 100 %.Metal strip or metal plate according to claim 13,
characterized in that final thickness differences of the material are between at least 10% in thickness adjacent thickness steps, based on the initial thickness of 100%.
dadurch gekennzeichnet, daß die Dicke der größten Dickenstufe zwischen 95 und 75 % liegt, bezogen auf die Ausgangsdicke von 100 %.Metal strip or metal plate according to one of claims 13 or 14,
characterized in that the thickness of the largest thickness stage is between 95 and 75%, based on the initial thickness of 100%.
dadurch gekennzeichnet, daß die Dicke der zweitgrößten Dickenstufe zwischen 85 und 45 % liegt, bezogen auf die Ausgangsdicke von 100 %. Metal strip or metal plate according to one of claims 13 to 15,
characterized in that the thickness of the second largest thickness step is between 85 and 45%, based on the initial thickness of 100%.
dadurch gekennzeichnet, daß die Dicke der drittgrößten Dickenstufe zwischen 75 und 30 % liegt, bezogen auf die Ausgangsdicke von 100 %.Metal strip or metal plate according to one of claims 13 to 16,
characterized in that the thickness of the third largest thickness stage is between 75 and 30%, based on the initial thickness of 100%.
dadurch gekennzeichnet, daß die Dickenänderungen zwischen den einzelnen Dickenstufen mit einem Gradienten Y von höchstens 1:40 und von mindestens 1:4000 verlaufen,Metal strip or metal plate according to one of claims 13 to 17,
characterized in that the changes in thickness between the individual thickness stages have a gradient Y of at most 1:40 and at least 1: 4000,
hergestellt aus einem Metallbandabschnitt oder einer Metallplatine nach einem der Ansprüche 13 bis 18.Deformed surface element made of sheet metal,
manufactured from a metal strip section or a metal plate according to one of claims 13 to 18.
hergestellt aus einem Metallbandabschnitt oder einer Metallplatine nach einem der Ansprüche 13 bis 18.Hollow section or tube made of sheet metal,
manufactured from a metal strip section or a metal plate according to one of claims 13 to 18.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004023885 | 2004-05-12 | ||
| DE102004023885A DE102004023885A1 (en) | 2004-05-12 | 2004-05-12 | Flexible rolling of light metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1595608A1 true EP1595608A1 (en) | 2005-11-16 |
Family
ID=34936295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05010053A Withdrawn EP1595608A1 (en) | 2004-05-12 | 2005-05-09 | Flexible rolling of light metals |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20050279433A1 (en) |
| EP (1) | EP1595608A1 (en) |
| DE (1) | DE102004023885A1 (en) |
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| FR2997706A1 (en) * | 2012-11-08 | 2014-05-09 | Constellium France | METHOD FOR MANUFACTURING A VARIABLE THICKNESS STRUCTURE ELEMENT FOR AERONAUTICAL CONSTRUCTION |
| CN105188972A (en) * | 2013-03-28 | 2015-12-23 | 杰富意钢铁株式会社 | Rolling method and rolling device for differential thickness steel sheet |
| CN110177627A (en) * | 2016-12-30 | 2019-08-27 | 奥托库姆普联合股份公司 | Method and device for rolled metal item |
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|---|---|---|---|---|
| DE102004037206A1 (en) * | 2004-07-30 | 2006-03-23 | Muhr Und Bender Kg | vehicle body |
| FR3013675B1 (en) * | 2013-11-22 | 2016-01-22 | Airbus Operations Sas | FUSELAGE PART FOR AIRCRAFT OF COMPOSITE MATERIAL COMPRISING LOW SLOPE PLATE LACHERS |
| EP2883626A1 (en) | 2013-12-12 | 2015-06-17 | Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung GmbH | Method and device for producing a magnesium sheet |
| JP6358222B2 (en) * | 2015-10-15 | 2018-07-18 | Ｊｆｅスチール株式会社 | Pass schedule determination method when changing the thickness of the running plate in continuous cold rolling |
| CN107520270B (en) * | 2017-08-08 | 2019-07-16 | 中南大学 | A kind of aluminium alloy deep cooling Varying-thickness rolling mill practice |
| CN110369498B (en) * | 2019-07-31 | 2020-08-21 | 西安建筑科技大学 | Method for preparing block fine-grained material by flexible rolling |
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| JPS61172603A (en) * | 1985-01-29 | 1986-08-04 | Sumitomo Metal Ind Ltd | Rolling of steel thick plate |
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| DE358598C (en) * | 1919-08-22 | 1922-09-12 | Griesheim Elektron Chem Fab | Process for rolling magnesium alloys of the electron metal type |
| US5496426A (en) * | 1994-07-20 | 1996-03-05 | Aluminum Company Of America | Aluminum alloy product having good combinations of mechanical and corrosion resistance properties and formability and process for producing such product |
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| DE29913509U1 (en) * | 1999-08-03 | 1999-09-30 | Achenbach Buschhütten GmbH, 57223 Kreuztal | Multi-roll stand |
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| JP4270363B2 (en) * | 2002-03-11 | 2009-05-27 | 古河スカイ株式会社 | Aluminum alloy plate for lithographic printing plate support and method for producing the same |
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| DE102004017343A1 (en) * | 2004-04-06 | 2005-11-03 | Muhr Und Bender Kg | Method for producing profiles with a longitudinally variable cross section |
| DE102004019448A1 (en) * | 2004-04-19 | 2005-11-10 | Muhr Und Bender Kg | Hybrid manufactured sheet metal element and method for its production |
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- 2005-05-11 US US11/126,829 patent/US20050279433A1/en not_active Abandoned
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| JPS61172603A (en) * | 1985-01-29 | 1986-08-04 | Sumitomo Metal Ind Ltd | Rolling of steel thick plate |
| EP0788849A1 (en) * | 1996-02-07 | 1997-08-13 | Benteler Ag | Method of manufacturing a pipe with sections of differing wall thickness and a pipe with sections of differing wall thicknesses |
| DE19704300A1 (en) * | 1997-02-06 | 1998-08-20 | Benteler Werke Ag | Procedure for manufacture of metal sheet blanks with different thicknesses |
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| FR2997706A1 (en) * | 2012-11-08 | 2014-05-09 | Constellium France | METHOD FOR MANUFACTURING A VARIABLE THICKNESS STRUCTURE ELEMENT FOR AERONAUTICAL CONSTRUCTION |
| WO2014072593A2 (en) * | 2012-11-08 | 2014-05-15 | Constellium France | Method for manufacturing a structural element having a variable thickness for aircraft production |
| WO2014072593A3 (en) * | 2012-11-08 | 2014-07-10 | Constellium France | Method for manufacturing a structural element having a variable thickness for aircraft production |
| CN104769142A (en) * | 2012-11-08 | 2015-07-08 | 法国肯联铝业 | Method for manufacturing a structural element having a variable thickness for aircraft production |
| EP2917380B1 (en) | 2012-11-08 | 2017-05-03 | Constellium Issoire | Method for manufacturing a structural element having a variable thickness for aircraft production |
| CN104769142B (en) * | 2012-11-08 | 2017-07-18 | 伊苏瓦尔肯联铝业 | The method for manufacturing the structural detail of variable thickness for aircraft construction |
| US10196722B2 (en) | 2012-11-08 | 2019-02-05 | Constellium Issoire | Method for manufacturing a structural element having a variable thickness for aircraft production |
| CN105188972A (en) * | 2013-03-28 | 2015-12-23 | 杰富意钢铁株式会社 | Rolling method and rolling device for differential thickness steel sheet |
| CN110177627A (en) * | 2016-12-30 | 2019-08-27 | 奥托库姆普联合股份公司 | Method and device for rolled metal item |
| CN110177627B (en) * | 2016-12-30 | 2021-08-06 | 奥托库姆普联合股份公司 | Method and device for rolling metal strips |
| US11865598B2 (en) | 2016-12-30 | 2024-01-09 | Outokumpu Oyj | Method for manufacturing flexible rolling of metal strips |
Also Published As
| Publication number | Publication date |
|---|---|
| US20050279433A1 (en) | 2005-12-22 |
| DE102004023885A1 (en) | 2005-12-08 |
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