EP0938380B1 - Verfahren und vorrichtung zum herstellen strukturierter metallbleche - Google Patents

Verfahren und vorrichtung zum herstellen strukturierter metallbleche Download PDF

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Publication number
EP0938380B1
EP0938380B1 EP97944888A EP97944888A EP0938380B1 EP 0938380 B1 EP0938380 B1 EP 0938380B1 EP 97944888 A EP97944888 A EP 97944888A EP 97944888 A EP97944888 A EP 97944888A EP 0938380 B1 EP0938380 B1 EP 0938380B1
Authority
EP
European Patent Office
Prior art keywords
metal sheet
height
calibration
process according
rollers
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
EP97944888A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0938380A1 (de
Inventor
Rolf BRÜCK
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.)
Vitesco Technologies Lohmar Verwaltungs GmbH
Original Assignee
Emitec Gesellschaft fuer Emissionstechnologie mbH
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 Emitec Gesellschaft fuer Emissionstechnologie mbH filed Critical Emitec Gesellschaft fuer Emissionstechnologie mbH
Publication of EP0938380A1 publication Critical patent/EP0938380A1/de
Application granted granted Critical
Publication of EP0938380B1 publication Critical patent/EP0938380B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates

Definitions

  • the invention relates to a method for producing at least of a structured metal sheet, a method for producing a coated Sheet metal package and a device for manufacturing structured metal sheets.
  • metal sheets are predominantly too
  • Honeycomb bodies for catalytic converters processed, such as those in particular Exhaust systems of motor vehicles are used.
  • Such a honeycomb body is described for example by EP 0 245 737 B1.
  • Structured metal sheets are generally used in the prior art produced by intermeshing profile rollers, as is known from EP-A1-0 460 611.
  • the profile rollers preferably have one Involute toothing or a similarly designed toothing. It however, other geometries of the structures, e.g. B. trapezoidal shape, zigzag shape, etc. known.
  • Sections are separated from the structured, band-shaped metal sheet, which are stacked into a sheet metal stack, with between the textured metal sheets a smooth sheet is inserted.
  • the ends of the For example, stacks become in opposite directions around at least two fixed points devoured.
  • the stack thus deformed is inserted into a casing tube.
  • the jacket pipe with the metal sheet stack used subjected to a soldering process in which the jacket tube with the sheet metal stack and the individual sheets are soldered to one another.
  • the casing tube and the sheet metal package have different coefficients of thermal expansion.
  • the sheet metal package has already been proposed insert with a preload into the jacket tube, so that between the metal sheets and / or the metal sheets and the casing tube none Gap formation occurs.
  • spirally wound honeycomb bodies is already been proposed in the structured sheet metal at the apex areas the structure to provide radial recesses in which to solder serving material can be inserted.
  • the band-shaped metal sheet experiences a deformation. Due to fluctuations in the material properties of the metal sheet, there are fluctuations in the structural height of the structured Sheet metal. These fluctuations in structure height are attributed to that the elasticity of the metal sheet within a tolerance band lies. This effect is possibly also due to tolerances of the profile rollers superimposed so that it is not ensured that sheet metal packages always can be inserted into a pipe with the same pre-tension. It is also noted been that the cell density of a honeycomb body at the same Manufacturing process can be different.
  • EP-A1-0 279 159 is a method for producing at least known a structured metal sheet, in which the structure by interlocking Tooth rolling is formed.
  • EP-A1-0 460 611 furthermore describes a method and a device for the production of welded layered metal sheets and metal sheet packages known.
  • EP-A1-0 460 611 discloses a structuring step through which a first metal sheet is provided with a structure by means of profile rollers. A second smooth metal sheet is then placed on the structured sheet applied, the first and the second metal sheet by a second Roll pair is passed.
  • the object of the invention is a method for producing at least one structured metal sheet and one layered sheet metal package and a device for producing structured Specify sheets that ensure that at a Further processing of the structured metal sheets or the metal sheet package to a honeycomb body, fluctuations in a preload with the one Sheet metal package can be inserted into a jacket tube, are low.
  • Another one The aim of the invention is to ensure that a honeycomb body through structured metal sheets is formed, has a constant cell density.
  • the method according to the invention for producing at least one structured Metal sheet is characterized in that first in a structure-forming Step formed a band-shaped metal sheet with a structure becomes.
  • a structure is made whose structure height is greater than a target structure height that the structured Should have sheet metal as a finished product.
  • the structure-building step This is followed by a calibration step in which the structure of the metal sheet a force is applied so that after the calibration step the height corresponds to the structure of the target structure height.
  • the structure height is greater than a target structure height it is ensured that the structure height despite springback of the metal sheet is sufficiently high. Furthermore, any tolerances compensated by profile tools.
  • the Vertex areas of the structure exerted a force by which the structure is deformed so that after the calibration step the height of the structure of the Target structure height corresponds.
  • the training a structure during the structure-forming step the metal sheet between two interlocking profile tools, preferably between two intermeshing profile rollers, passed through.
  • the total profile height of the Profile tools are preferred larger than the target structure height.
  • the profile tools in the form of Profile rollers formed it can be the profile rollers, for example are rollers with an involute profile.
  • the calibration step preferably in the form that the metal sheet with the Structure is passed through a gap, the gap height is less than is the target structure height of the metal sheet or the target structure height of the Corresponds to sheet metal.
  • the formation of such a gap can preferably in that two rollers are arranged axially parallel.
  • cell density is achieved of the inventive method proposed that after the calibration step the spring property of the structure of the metal sheet is determined. Taking the spring property into account is a cut length determined and a section of a metal sheet according to the cut length separated from the band-shaped metal sheet.
  • a honeycomb body can be produced, the one has reproducible cell density and the metal sheets with a reproducible Preload can be used in a jacket tube.
  • the determined cut length used as a measure for other sections.
  • a method for Manufacture of a layered sheet metal stack such as by EP 0 245 737 B1 is known, proposed in which a first band-shaped Sheet metal first a structure-forming step through which the first Sheet metal is formed with a structure whose structure height is greater than lie is the target structure height, then a calibration step in which the Structure of the first metal sheet a force is exerted after the Calibration step the height of the structure corresponds to a target structure height, and a second band-shaped metal sheet is placed on the first metal sheet.
  • the first becomes band-shaped Metal sheet during the structure-forming step between two no interlocking profile tools, preferably between two combs Profile rollers, passed through.
  • the remaining metal sheet passed between profile tools, especially profile rollers, whose Overall profile height is greater than the target structure height.
  • a second strip-shaped metal sheet is placed on the first strip-shaped metal sheet Metal sheet.
  • the second metal sheet is preferably after Calibration step placed on the first metal sheet.
  • the second metal sheet before the calibration step on the metal sheet is placed. This measure makes the structured metal sheet calibrated together with the second, preferably smooth metal sheet.
  • the spring characteristic of the Structure of the first metal sheet or the spring property of the layered Metal sheets determined and taking into account the spring property a Cut length determined, and the first metal sheet or the layered Metal sheets are cut according to the cut length.
  • a device for the production of structured metal sheets and / or metal sheet packages with a structuring unit for forming a structure with a structure height proposed, in which the structuring unit, the at least two interlocking profile tools with an overall profile height that is larger is as the target structure, and one in the transport direction of the metal sheet considered subordinate calibration unit through which on the structure a force is exerted on the metal sheet so that the height of the structure corresponds to a predetermined target structure height.
  • the structuring unit has at least two intermeshing profile rollers, which preferably have an involute profile.
  • the use of rotatable profile rollers enable a continuous manufacturing process of a structured metal sheet.
  • sequential manufacturing a structure in a metal sheet uses a structuring unit which comprises two profile tools which can be moved towards one another, between which the metal sheet is deformable.
  • the calibration unit have at least two calibration tools has, between which the metal sheet can be placed, and the calibration tools limit a gap whose gap height is smaller than the profile height of profile tools.
  • the gap height preferably corresponds to the target structure height, which should have a structured metal sheet.
  • the gap height is preferably adjustable by adjusting the calibration tools.
  • the calibration tools are preferably essentially two axially parallel rollers formed.
  • the rollers are preferably like this arranged that the roller axes substantially transverse to the direction of transport of a metal sheet.
  • the calibration unit is a measuring unit, by the spring property of the metal sheet is determined, and a separation unit through which the Sheet metal is cut to length according to the spring properties, subordinate is.
  • Fig. 1 shows schematically a device for producing structured Sheets.
  • the device has a structuring unit 1.
  • the structuring unit 1 comprises two intermeshing profile rollers 2, 3.
  • the Profile rollers 2, 3 have, for example, an involute profile.
  • the axes 4, 5 of the profile rollers 2, 3 run parallel to one another.
  • a strip-shaped metal sheet 6 runs between the profile rolls 2, 3, which is handled by a coil 7.
  • While going through the Structuring unit 1 is given a structure 8 to the metal sheet 6.
  • the structure 8 essentially corresponds to the profile of the profile rolls 2, 3.
  • the structural unit is viewed in the transport direction of the metal sheet 6 1 downstream of a calibration unit 9.
  • the calibration unit 9 has two Calibration tools formed in the form of two rollers 10, 11 are.
  • the rollers 10, 11 are arranged axially parallel to one another.
  • the Shell surfaces of the rollers 10, 11 delimit a gap 12 through which the structured metal sheet 6 is passed.
  • the calibration unit 9 is a measuring unit
  • the spring property of the structure 8 'of the Metal sheet 6 determined. Taking into account the spring properties of the A cut length L is determined in structure 6 and a section 15 corresponding to the cut length L of the band-shaped metal sheet 6 in the separation unit 14 separated. The determination of the spring characteristic of the Structure 6 of the metal sheet can be done by a force / displacement measurement.
  • the profile of the profile rollers 2, 3 is designed so that the height H of the Structure 8 is greater than a predetermined target structure height SH.
  • the Metal sheet 6 is given a structure 8, such as that shown in FIG Fig. 2 is shown.
  • the metal sheet structured in this way is passed through the gap 12 passed between the rollers 10, 11.
  • the height h of the gap 12 is dimensioned such that when the sheet metal 6 passes between the Rolls 10, 11 the structure 8 is compressed, creating the structure 8 'after the calibration unit 9 has a height which is the desired structural height SH corresponds.
  • the rollers 10, 11 are rotatably mounted.
  • the gap height h is adjustable by means of adjustable rollers 10, 11.
  • the device shown in FIG. 3 has a structuring unit 1 on by two spaced apart and axially parallel Profile rollers 2, 3 is formed.
  • the profile unit 1 follows in the transport direction considers a calibration unit 9 to which a measuring unit 13 and a Separating unit 14 connects.
  • the calibration unit 9 is separated by two Rollers 10, 11 arranged parallel to one another and axially parallel are formed.
  • the rollers 10, 11 are rotatably mounted. Limit the lateral surfaces of the rollers 10, 11 a gap 12.
  • a band-shaped metal sheet 6 is unwound from a coil 7 and the structuring unit 1 supplied.
  • the sheet metal 6 is given a structure 8 by the profile rollers 2, 3.
  • the structure 8 has a height H which is greater than the desired structure height SH.
  • the metal sheet 6 structured in this way subsequently follows the calibration unit 10 fed.
  • the metal sheet 6 passes through the gap 12 between the rollers 10, 11.
  • the gap 12 has a height h that is smaller is as the height H of the structure 8.
  • a force is exerted on the structure 8 by the calibration unit 9 exercised, through which the height of the structure to the desired structure height SH brought.
  • a smooth metal sheet 16 which unwound from a coil 17 becomes.
  • the smooth metal sheet 16 and the structured metal sheet 6 pass through the calibration unit 9 together.
  • the calibration unit 9 is followed by a measuring unit 13, by means of which the spring property of the smooth and the structured metal sheet 6, 16 is determined. On the basis of the spring property determined, a cut length L certainly.
  • a separating unit 14 following the measuring unit 13 separates one Section 18 of the smooth metal sheet 16 and the structured metal sheet 6 from.
  • the structured sheets 6 are stacked one on top of the other, creating a Sheet metal package 19 is created, which after engulfing in a Jacket tube can be used.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Catalysts (AREA)
  • Shearing Machines (AREA)
  • Coating With Molten Metal (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP97944888A 1996-10-30 1997-09-17 Verfahren und vorrichtung zum herstellen strukturierter metallbleche Expired - Lifetime EP0938380B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19643934A DE19643934A1 (de) 1996-10-30 1996-10-30 Verfahren und Vorrichtung zum Herstellen strukturierter Metallbleche
DE19643934 1996-10-30
PCT/EP1997/005097 WO1998018557A1 (de) 1996-10-30 1997-09-17 Verfahren und vorrichtung zum herstellen strukturierter metallbleche

Publications (2)

Publication Number Publication Date
EP0938380A1 EP0938380A1 (de) 1999-09-01
EP0938380B1 true EP0938380B1 (de) 2001-03-28

Family

ID=7809683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97944888A Expired - Lifetime EP0938380B1 (de) 1996-10-30 1997-09-17 Verfahren und vorrichtung zum herstellen strukturierter metallbleche

Country Status (10)

Country Link
US (1) US6286353B1 (zh)
EP (1) EP0938380B1 (zh)
JP (1) JP3544674B2 (zh)
KR (1) KR100476119B1 (zh)
CN (1) CN1111449C (zh)
AU (1) AU4623797A (zh)
DE (2) DE19643934A1 (zh)
MY (1) MY122364A (zh)
TW (1) TW372892B (zh)
WO (1) WO1998018557A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7438867B2 (en) 2001-07-19 2008-10-21 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Honeycomb body having a spring/damper system and method for producing the honeycomb body

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001019545A1 (de) * 1999-09-13 2001-03-22 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren und vorrichtung zur herstellung eines eine wellung aufweisenden wellblechs
DE10108469B4 (de) * 2001-02-22 2007-01-18 Nucellsys Gmbh Verfahren zur Herstellung eines mikrostrukturierten Blechs sowie Verwendung des Verfahrens
DE10134506A1 (de) * 2001-07-04 2003-01-30 Blanco Gmbh & Co Kg Verfahren zum Herstellen eines Metallblechs, Metallblech und Vorrichtung zum Aufbringen einer Oberflächenstruktur auf ein Metallblech
ES2310290T3 (es) * 2003-05-30 2009-01-01 Emitec Gesellschaft Fur Emissionstechnologie Mbh Fabricacion de una chapa estructurada para dispositivos de tratamiento de gas de escape.
DE102004021037A1 (de) * 2004-04-29 2005-11-24 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zur Herstellung einer hochtemperaturfesten Struktur
DE102006022161B4 (de) * 2006-05-12 2016-03-17 Gräbener Pressensysteme GmbH & Co. KG Verfahren und Vorrichtung zur Herstellung von mikrostrukturierten Blechen, Platinen oder dergleichen
DE102010063074B3 (de) * 2010-12-14 2012-04-12 INSTITUT FüR MIKROTECHNIK MAINZ GMBH Mikrofluidisches Bauteil, Reaktor aus mehreren solchen Bauteilen und Verfahren zu deren Herstellung
CN113976700A (zh) * 2021-10-25 2022-01-28 淄博气宇空调节能设备有限公司 金属瓦楞的制作方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0460611A1 (en) * 1990-06-05 1991-12-11 Nippon Steel Corporation Method of producing corrugated metal sheeting and method of producing honeycomb structure therefrom for carrying catalytic agents used for purifying exhaust gases

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
US2866075A (en) * 1957-09-23 1958-12-23 Carl A Van Pappelendam Method of fabricating structural sandwiches
US2975817A (en) * 1958-05-29 1961-03-21 Gen Motors Corp Corrugating machines
US3481173A (en) * 1967-11-30 1969-12-02 Ford Motor Co Means for forming heat exchange elements
GB1535781A (en) * 1976-04-08 1978-12-13 Covrad Ltd Corrugation-forming machines
DE3574937D1 (de) * 1985-05-14 1990-02-01 Sulzer Ag Reaktor zum durchfuehren von heterogenen, katalysierten chemischen reaktionen.
DE3527111A1 (de) * 1985-07-29 1987-01-29 Interatom Metallischer, gewickelter abgaskatalysatortraegerkoerper mit geometrisch komplizierter form des querschnitts sowie verfahren, vorrichtung und rohling zu seiner herstellung
EP0245737B1 (de) 1986-05-12 1989-08-23 INTERATOM Gesellschaft mit beschränkter Haftung Wabenkörper, insbesondere Katalysator-Trägerkörper, mit gegensinnig verschlungenen Metallblechschichten und Verfahren zu seiner Herstellung
ATE77764T1 (de) * 1987-01-19 1992-07-15 Emitec Emissionstechnologie Metallischer katalysator-traegerkoerper aus zwei unterschiedlich gewellten blechlagen.
JPS6466022A (en) * 1987-09-07 1989-03-13 Mitsubishi Heavy Ind Ltd Corrugated fin forming device
DE4241469A1 (de) * 1992-12-09 1994-06-16 Emitec Emissionstechnologie Katalytischer Konverter mit zwei oder mehr Wabenkörpern in einem Mantelrohr und Verfahren zu seiner Herstellung
JP3644121B2 (ja) * 1996-04-01 2005-04-27 株式会社デンソー コルゲートフィンの成形装置および成形方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0460611A1 (en) * 1990-06-05 1991-12-11 Nippon Steel Corporation Method of producing corrugated metal sheeting and method of producing honeycomb structure therefrom for carrying catalytic agents used for purifying exhaust gases

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7438867B2 (en) 2001-07-19 2008-10-21 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Honeycomb body having a spring/damper system and method for producing the honeycomb body

Also Published As

Publication number Publication date
AU4623797A (en) 1998-05-22
KR20000052906A (ko) 2000-08-25
CN1235563A (zh) 1999-11-17
DE19643934A1 (de) 1998-05-07
US6286353B1 (en) 2001-09-11
CN1111449C (zh) 2003-06-18
JP2000505000A (ja) 2000-04-25
WO1998018557A1 (de) 1998-05-07
TW372892B (en) 1999-11-01
KR100476119B1 (ko) 2005-03-15
JP3544674B2 (ja) 2004-07-21
MY122364A (en) 2006-04-29
DE59703249D1 (de) 2001-05-03
EP0938380A1 (de) 1999-09-01

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