EP1952904A3 - Forming process and forming device for the production of a fold in a heat exchanger tube - Google Patents

Forming process and forming device for the production of a fold in a heat exchanger tube Download PDF

Info

Publication number
EP1952904A3
EP1952904A3 EP08000606A EP08000606A EP1952904A3 EP 1952904 A3 EP1952904 A3 EP 1952904A3 EP 08000606 A EP08000606 A EP 08000606A EP 08000606 A EP08000606 A EP 08000606A EP 1952904 A3 EP1952904 A3 EP 1952904A3
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
fold
production
exchanger tube
forming
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.)
Granted
Application number
EP08000606A
Other languages
German (de)
French (fr)
Other versions
EP1952904B1 (en
EP1952904A2 (en
Inventor
Jürgen Hägele
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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 Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP1952904A2 publication Critical patent/EP1952904A2/en
Publication of EP1952904A3 publication Critical patent/EP1952904A3/en
Application granted granted Critical
Publication of EP1952904B1 publication Critical patent/EP1952904B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
    • B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
    • B21D19/043—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers for flanging edges of plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/14—Making tubes from double flat material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/03—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
    • F28D1/0391—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits a single plate being bent to form one or more conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Coating With Molten Metal (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

Die Erfindung betrifft ein Umformverfahren und eine Umformvorrichtung zum Herstellen eines Eckfalzes (4) für Wärmetauscherrohre mit mindestens zwei Rohrkammem, wobei der Ecktalz mit Hilfe von Rollen umgebogen und gestaucht wird.The invention relates to a forming method and a forming device for producing a Eckfalzes (4) for heat exchanger tubes with at least two Rohrkammem, wherein the Ecktalz is bent and compressed by means of rollers.

Um die Geometrie von Wärmetauscherrohren im Bereich des Eckfalzes zu optimieren, wird der Eckfalz (4) in mindestens drei, insbesondere fünf, Stufen umgebogen und gestaucht.

Figure imgaf001
In order to optimize the geometry of heat exchanger tubes in the region of the Eckfalzes, the Eckfalz (4) is bent and compressed in at least three, especially five, stages.
Figure imgaf001
EP20080000606 2007-02-05 2008-01-15 Forming process for the production of a fold in a heat exchanger tube Not-in-force EP1952904B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007005590A DE102007005590A1 (en) 2007-02-05 2007-02-05 Forming process and forming device

Publications (3)

Publication Number Publication Date
EP1952904A2 EP1952904A2 (en) 2008-08-06
EP1952904A3 true EP1952904A3 (en) 2009-02-18
EP1952904B1 EP1952904B1 (en) 2012-08-29

Family

ID=39345116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080000606 Not-in-force EP1952904B1 (en) 2007-02-05 2008-01-15 Forming process for the production of a fold in a heat exchanger tube

Country Status (2)

Country Link
EP (1) EP1952904B1 (en)
DE (1) DE102007005590A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106424263B (en) * 2015-04-09 2018-09-04 浙江三永机械有限公司 Escalator skirt panel edge knurling machine
DE102016200152A1 (en) * 2016-01-08 2017-07-13 Mahle International Gmbh Flat tube for a heat exchanger
CN106180334B (en) * 2016-08-31 2017-11-03 浙江三永机械有限公司 A kind of ladder apron plate automatic folding machine
CN106424264B (en) * 2016-10-13 2018-12-04 山东鸿民金属成型科技股份有限公司 A kind of design technology producing folded side profile

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829316A2 (en) * 1996-09-16 1998-03-18 Denso Corporation Roll forming method for forming flat tube and roll forming apparatus using the same
DE19958935A1 (en) * 1998-12-11 2000-06-15 Valeo Thermique Moteur Sa Automotive heat exchanger tube bent from metal band has arched projections on both or one side of tube rim strip as joined to tube inside surface.
EP1213555A1 (en) * 1999-09-08 2002-06-12 Zexel Valeo Climate Control Corporation Heat exchanger, tube for heat exchanger, and method of manufacturing the heat exchanger and the tube
WO2002086408A1 (en) * 2001-04-20 2002-10-31 Valeo Thermique Moteur Folded tube for a heat exchanger and method for the production thereof
US20030145465A1 (en) * 2002-02-04 2003-08-07 James Anders Method of forming heat exchanger tube
FR2836546A1 (en) * 2002-02-22 2003-08-29 Valeo Thermique Moteur Sa Heat exchanger folded tube is obtained by folding metallic band to delimit two parallel channels with separate upper faces and common lower edge, band lateral edges folded to form partition between channels
JP2004276070A (en) * 2003-03-17 2004-10-07 Denso Corp Tube and method for manufacturing tube

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655181A (en) * 1949-09-14 1953-10-13 Mccord Corp Tube construction
JPS5671520A (en) * 1979-11-13 1981-06-15 Nissan Motor Co Ltd Production of tube structural body
DE102004040257A1 (en) * 2004-08-18 2005-12-15 Daimlerchrysler Ag Sheet metal cold rolling assembly for e.g. automotive body parts has axles always at a fixed angle to each other

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829316A2 (en) * 1996-09-16 1998-03-18 Denso Corporation Roll forming method for forming flat tube and roll forming apparatus using the same
DE19958935A1 (en) * 1998-12-11 2000-06-15 Valeo Thermique Moteur Sa Automotive heat exchanger tube bent from metal band has arched projections on both or one side of tube rim strip as joined to tube inside surface.
EP1213555A1 (en) * 1999-09-08 2002-06-12 Zexel Valeo Climate Control Corporation Heat exchanger, tube for heat exchanger, and method of manufacturing the heat exchanger and the tube
WO2002086408A1 (en) * 2001-04-20 2002-10-31 Valeo Thermique Moteur Folded tube for a heat exchanger and method for the production thereof
US20030145465A1 (en) * 2002-02-04 2003-08-07 James Anders Method of forming heat exchanger tube
FR2836546A1 (en) * 2002-02-22 2003-08-29 Valeo Thermique Moteur Sa Heat exchanger folded tube is obtained by folding metallic band to delimit two parallel channels with separate upper faces and common lower edge, band lateral edges folded to form partition between channels
JP2004276070A (en) * 2003-03-17 2004-10-07 Denso Corp Tube and method for manufacturing tube

Also Published As

Publication number Publication date
EP1952904B1 (en) 2012-08-29
DE102007005590A1 (en) 2008-08-07
EP1952904A2 (en) 2008-08-06

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