WO2017129678A2 - Dispositif et procédé pour le refroidissement et la chauffe commandés de pièces métalliques dans le champ de températures lors du soudage, du brasage ou de la séparation thermique, du placage et du durcissage partiel - Google Patents

Dispositif et procédé pour le refroidissement et la chauffe commandés de pièces métalliques dans le champ de températures lors du soudage, du brasage ou de la séparation thermique, du placage et du durcissage partiel Download PDF

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Publication number
WO2017129678A2
WO2017129678A2 PCT/EP2017/051641 EP2017051641W WO2017129678A2 WO 2017129678 A2 WO2017129678 A2 WO 2017129678A2 EP 2017051641 W EP2017051641 W EP 2017051641W WO 2017129678 A2 WO2017129678 A2 WO 2017129678A2
Authority
WO
WIPO (PCT)
Prior art keywords
cooling
welding
cooling gas
temperature field
burner
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.)
Ceased
Application number
PCT/EP2017/051641
Other languages
German (de)
English (en)
Other versions
WO2017129678A3 (fr
Inventor
Bernd Ludewig
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE202016000663.1U external-priority patent/DE202016000663U1/de
Priority claimed from DE102016001127.0A external-priority patent/DE102016001127A1/de
Application filed by Individual filed Critical Individual
Publication of WO2017129678A2 publication Critical patent/WO2017129678A2/fr
Publication of WO2017129678A3 publication Critical patent/WO2017129678A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/32—Accessories
    • B23K9/325—Devices for supplying or evacuating shielding gas
    • B23K9/326—Purge gas rings, i.e. devices for supplying or evacuating shielding gas inside of hollow or tubular articles, e.g. pipes, vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/1462—Nozzles; Features related to nozzles
    • B23K26/1464—Supply to, or discharge from, nozzles of media, e.g. gas, powder, wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K7/00—Cutting, scarfing, or desurfacing by applying flames
    • B23K7/002—Machines, apparatus or equipment for cutting plane workpieces, e.g. plates
    • B23K7/003—Machines, apparatus or equipment for cutting long articles, e.g. cast stands, plates, in parts of predetermined length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/24—Features related to electrodes
    • B23K9/28—Supporting devices for electrodes
    • B23K9/285—Cooled electrode holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/32—Accessories
    • B23K9/323—Combined coupling means, e.g. gas, electricity, water or the like
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • C21D9/505—Cooling thereof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0014—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation from gases, flames
    • G01J5/0018—Flames, plasma or welding
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2221/00—Treating localised areas of an article
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2251/00—Treating composite or clad material
    • C21D2251/04—Welded or brazed overlays

Definitions

  • the invention relates to a device and a method which is carried out by means of the device for a controlled cooling or heating of metallic workpieces in the temperature field, welding and soldering, in particular arc or laser soldering, the thermal separation, in particular combustion, plasma or Laser cutting, hardfacing or partial hardening, in particular laser hardening, induction hardening.
  • an arc welding lance is known, which is equipped with a cooling and blowing device. It is to be achieved that the welding zone is blown open and cooled in a surface widening the burner, in particular by welding fumes. A controlled preheating or reheating and a simultaneous cooling is not provided.
  • DE 102013022056 A1 an apparatus and a method for conditioning a welding and cutting process are presented.
  • a tempered gas stream is proposed here as a cold or hot gas stream for arc welding or autogenous burning. It is intended to keep the temperature field stable and to influence workpiece parameters.
  • DE 19704142 A1 discloses a cooling method for an inert gas welding device and an inert gas welding device with a cooling device.
  • the two parts of a gas stream are used once for cooling and secondly as a protective gas stream.
  • the structure requires a considerable amount of equipment and can therefore only be used for robots.
  • annularly arranged openings enclose a lens of a laser. There are inlets and outlets for liquid cooling.
  • the invention relates to an apparatus as an open system for controlled cooling and / or heating of metallic workpieces in the temperature field during welding, soldering, thermal cutting, build-up welding or partial hardening, wherein a housing with a burner, such as a welding torch, firmly connected is, which includes annularly positioned and axially parallel to the central axis of the burner extendingdegaszu exiten whosedegasaustritte involve a larger area than that of the protective gas nozzle and, the cooling gas outlets are seen in the direction of the workpieces, arranged in front of the outlet opening of the protective gas nozzle of the burner.
  • a housing with a burner such as a welding torch
  • the cooling gas supply each have a heating coil.
  • each of the cooling gas supply lines can fulfill the function of preheating or cooling.
  • the cooling gas supply can thereby be selectively switched to at least one, in particular metallic, workpiece during thermal separation, build-up welding or partial hardening or two of them in a welded joint / solder joint at the periphery of the temperature field preheat and / or cool.
  • the cooling gas supply lines are located in a housing which is fixedly connected to the burner by means of ribs extending axially parallel to the central axis of the burner.
  • the housing is adapted to the shape of the burner and designed so that due to its lightweight design, the burner can be used in addition to its use in welding robots for welding by hand or manual thermal cutting application.
  • the distance between the ribs is chosen so that at least one cooling gas supply is placed between them.
  • the cooling gas supply which are enclosed by the housing of the device according to the invention, have a circular or polygonal cross-section. The decision is made on the basis of available space, especially when using the burner in welding robots.
  • the cooling gas supply lines are visibly fixed by means of one or more fastening elements on the outer surface of the burner, parallel to the central axis thereof.
  • cooling gas feeds in the direction of the cooling gas outlet have an away from the burner outwardly pivotable tail.
  • the temperature field can be variably increased or decreased in welding, brazing, thermal cutting, build-up welding, and partial hardening with respect to reaching an area for preheating or cooling.
  • Such a measure has the advantage that the heat input into the material of the workpieces is as small as possible in terms of time and location, so that even thin-walled parts can be manufactured almost without delay and the preheating and cooling so effectively, that is so localized As possible, so that the structure of the or the workpieces in the temperature field does not change unintentionally, that is possibly hardened.
  • the cooling according to the invention can also be done inside, which is a sensible option especially for partial hardening, build-up welding and multi-layer welding.
  • a separate cooling gas supply also allows the material-optimized delay minimization by the variable cooling capacity of this invention in inductive hardening.
  • cryogenic gas is used in the mixture of a liquid and gaseous fraction for cooling the temperature field.
  • preheating can be used for cost reasons, in a further embodiment, air instead of the cryogenic gas.
  • cryogenic gas should preferably be used in welding argon.
  • a cryogenic forming gas may be supplied to the root by cooling via bath rails which are combined with forming gas nozzles and a main cooling nozzle. Both a cooling on both sides as well as an exclusive cooling of the arc / plasma jet / laser opposite side is possible, which extends the application possibilities of the invention material and process conditions. This procedure can be transferred according to the invention in addition to welding on the brazing, thermal cutting, build-up welding and partial hardening.
  • thermo shock sensitive materials such as alumina ceramic, according to the method during welding preheat, weld and reheat. This avoids the risk of mechanical stress.
  • a heat-insulating base is to be used here.
  • the design effort for producing a suitable solution can be reduced while minimizing manufacturing costs.
  • FIG. 1 perspective view of a burner with temperature field control
  • FIG. 2 top view of the burner from below
  • FIG. 3 Inventive measurement of the workpiece temperature in schematic representation
  • FIG. 4 side view of the cooling gas supply lines of the burner
  • FIG. 5 shows section A-A at the burner with cooling gas supply lines according to FIG. 4, FIG.
  • FIG. 6b front and side view of the burner of Figure 4 in combination with
  • FIG. 8 Perspective view of the cooling gas flow in tubular workpieces
  • the cooling gas is supplied from the chuck ago.
  • FIG. 9 Perspective view of the cooling gas guide in tubular workpieces - wherein the cooling gas is fed to the chuck.
  • FIG. 1 it can be seen that a housing 6 is arranged on the burner 1 with the cooling gas supply lines 3 which are annularly enclosed by it.
  • the cooling gas supply lines 3 which are annularly enclosed by it.
  • the cooling gas supply 3 are separated by ribs 7 from each other, wherein the ribs 7 and the housing 6 connect to the burner 1.
  • FIG. 2 shows a view of the inventively constructed burner 1 as a plan view from below.
  • the cooling gas feeds 3 have a circular cross-section, which, however, can deviate therefrom according to design requirements which dictate the design of the burner 1 for manual or automated welding.
  • FIG. 3 in principle, the measurement according to the invention of the workpiece temperature during welding is shown.
  • the on the workpieces ⁇ , ⁇ , 8, 9 resulting temperature field 14 probing pyrometer 1 1, 12 transmit their data to a computer-aided temperature field monitoring, which causes the ring 6 enclosed by the housing 6degaszu Insert 3 depending on the desired cooling capacity by different admixture of gaseous and / or liquid cooling gas and are controlled in terms of the cooling location so that the temperature field 14 is preheated and / or cooled in succession or simultaneously during the feed of the burner 1.
  • the cooling capacity of each cooling gas supply 3 can be set separately.
  • the gas supply of each cooling gas supply 3 can also be switched off separately.
  • the cooling gas for example, the noble gas argon is used, and hot air can also be used during preheating.
  • the section A-A according to FIG. 5 indicates that the cooling gas supply lines 3 are arranged equidistant from each other, distributed in a ring around the burner 1.
  • Figure 6a and 6b is shown in principle in front and side view, as several Formiergasdüsen 18, for example, in automated root welding below the root 19 are positioned and thus in controllable coordination with the mounted on the burner 1 cooling gas 3 a two-sided cooling of the workpieces to be joined I.II, 8.9 is accomplished.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Heat Treatment Of Articles (AREA)
  • Gas Burners (AREA)

Abstract

L'invention concerne un dispositif et un procédé mis en oeuvre au moyen du dispositif, pour le refroidissement et/ou la chauffe commandés de pièces métalliques I, II (8, 9) dans le champ de températures lors du soudage, de la séparation thermique, du brasage, du placage et du durcissage partiel Au moyen d'un dispositif dont la forme extérieure suit sensiblement un brûleur, un appareil thermique d'oxycoupage, de découpage au plasma ou de découpage laser, ou un appareil de brasage, relié fixement à ceux-ci et comportant des conduites de gaz de refroidissement (3) disposées de façon annulaire, présentant des orifices de sortie de gaz de refroidissement (4), il est possible de refroidir et/ou chauffer de façon consécutive ou simultanée des zones du champ de températures (14), dans la zone d'action du champ de températures (14) sur une ou plusieurs pièces I, II (8, 9), lors du fonctionnement actif et de l'avancement d'un outil modifié. Le dispositif met en oeuvre un procédé ouvert pour le refroidissement et la chauffe de la ou des pièces à usiner I, II (8, 9). La vitesse de refroidissement optimale spécifique au matériau et au procédé est commandée, outre par le débit, notamment par la température du gaz de refroidissement. Le gaz cryogénique servant au refroidissement du champ de températures est employé dans un mélange liquide/gaz..
PCT/EP2017/051641 2016-01-26 2017-01-26 Dispositif et procédé pour le refroidissement et la chauffe commandés de pièces métalliques dans le champ de températures lors du soudage, du brasage ou de la séparation thermique, du placage et du durcissage partiel Ceased WO2017129678A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102016001127.0 2016-01-26
DE202016000663.1 2016-01-26
DE202016000663.1U DE202016000663U1 (de) 2016-01-26 2016-01-26 Vorrichtung für ein gesteuertes Kühlen und Erwärmen metallischer Werkstücke im Temperaturfeld beim Schweißen, thermischen Trennen (Brenn-, Plasma- bzw. Laserschneiden) oder Löten (Lichtbogen- bzw. Laserlöten)
DE102016001127.0A DE102016001127A1 (de) 2016-01-26 2016-01-26 Vorrichtung und Verfahren für ein gesteuertes Kühlen und Erwärmen metallischer Werkstücke im Temperaturfeld beim Schweißen, thermischen Trennen (Brenn-, Plasma- bzw. Laserschneiden) oder Löten (Lichtbogen- bzw. Laserlöten)

Publications (2)

Publication Number Publication Date
WO2017129678A2 true WO2017129678A2 (fr) 2017-08-03
WO2017129678A3 WO2017129678A3 (fr) 2017-10-12

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WO (1) WO2017129678A2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190321903A1 (en) * 2018-04-18 2019-10-24 Few Fahrzeugelektrikwerk Gmbh & Co. Kg Soldering tool with nozzle-shaped soldering tip and a channel in the soldering tip to feed hot gas
WO2021089076A1 (fr) * 2019-11-10 2021-05-14 Orbitalservice Gmbh Moyen formant buse, utilisation et procédé de fabrication
CN112846226A (zh) * 2019-11-27 2021-05-28 三菱重工业株式会社 三维造形装置及三维造形方法
CN113305475A (zh) * 2021-06-08 2021-08-27 湘潭大学 一种焊接用冷源装置
EP3984678A1 (fr) * 2020-10-13 2022-04-20 Linde GmbH Dispositif de soudage pourvu de dispositif à buses permettant de refroidir une pièce lors du processus de soudage

Citations (4)

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Publication number Priority date Publication date Assignee Title
US4057332A (en) 1976-04-21 1977-11-08 Caterpillar Tractor Co. Peripherally cooled laser lens assembly
DE3936205C2 (fr) 1988-10-31 1992-03-05 Trafimet Trafilerie Metalliche Di Zigliotto & C. S.A.S., Ponte Di Castegnero, Vicenza, It
DE19704142A1 (de) 1997-02-04 1998-08-06 Holger Reeh Kühlverfahren für ein Schutzgasschweißgerät sowie Schutzgasschweißgerät mit Kühlvorrichtung
DE102013022056A1 (de) 2013-12-23 2015-06-25 Christian Bürkner Verfahren und Vorrichtung zur Konditionierung eines Schweiß- oder Schneidprozesses

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US3803381A (en) * 1971-12-22 1974-04-09 Dover Corp Arc welding gun
JPH0550248A (ja) * 1991-08-19 1993-03-02 Mitsubishi Heavy Ind Ltd 活性金属のシールドガス溶接方法
JP2007237213A (ja) * 2006-03-07 2007-09-20 Toshiba Corp 溶接トーチおよび溶接トーチを用いた溶接システム
US9415459B2 (en) * 2012-04-06 2016-08-16 Illinois Tool Works Inc. Welding systems having non-contact temperature measurement systems
JP6154629B2 (ja) * 2013-03-14 2017-06-28 本田技研工業株式会社 アークスポット溶接方法および溶接装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057332A (en) 1976-04-21 1977-11-08 Caterpillar Tractor Co. Peripherally cooled laser lens assembly
DE3936205C2 (fr) 1988-10-31 1992-03-05 Trafimet Trafilerie Metalliche Di Zigliotto & C. S.A.S., Ponte Di Castegnero, Vicenza, It
DE19704142A1 (de) 1997-02-04 1998-08-06 Holger Reeh Kühlverfahren für ein Schutzgasschweißgerät sowie Schutzgasschweißgerät mit Kühlvorrichtung
DE102013022056A1 (de) 2013-12-23 2015-06-25 Christian Bürkner Verfahren und Vorrichtung zur Konditionierung eines Schweiß- oder Schneidprozesses

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190321903A1 (en) * 2018-04-18 2019-10-24 Few Fahrzeugelektrikwerk Gmbh & Co. Kg Soldering tool with nozzle-shaped soldering tip and a channel in the soldering tip to feed hot gas
US10974334B2 (en) * 2018-04-18 2021-04-13 Few Fahrzeugelektrikwerk Gmbh & Co. Kg Soldering tool with nozzle-shaped soldering tip and a channel in the soldering tip to feed hot gas
WO2021089076A1 (fr) * 2019-11-10 2021-05-14 Orbitalservice Gmbh Moyen formant buse, utilisation et procédé de fabrication
CN112846226A (zh) * 2019-11-27 2021-05-28 三菱重工业株式会社 三维造形装置及三维造形方法
EP3984678A1 (fr) * 2020-10-13 2022-04-20 Linde GmbH Dispositif de soudage pourvu de dispositif à buses permettant de refroidir une pièce lors du processus de soudage
WO2022078625A1 (fr) * 2020-10-13 2022-04-21 Linde Gmbh Appareil de soudage comportant un dispositif de buses pour refroidir une pièce pendant le processus de soudage
CN113305475A (zh) * 2021-06-08 2021-08-27 湘潭大学 一种焊接用冷源装置

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