EP1704014A1 - Installation et procede avec lesquels au moins deux processus de soudage differents sont combines - Google Patents

Installation et procede avec lesquels au moins deux processus de soudage differents sont combines

Info

Publication number
EP1704014A1
EP1704014A1 EP04802002A EP04802002A EP1704014A1 EP 1704014 A1 EP1704014 A1 EP 1704014A1 EP 04802002 A EP04802002 A EP 04802002A EP 04802002 A EP04802002 A EP 04802002A EP 1704014 A1 EP1704014 A1 EP 1704014A1
Authority
EP
European Patent Office
Prior art keywords
welding
torch
welding process
processes
metal transfer
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.)
Withdrawn
Application number
EP04802002A
Other languages
German (de)
English (en)
Inventor
Josef Artelsmair
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.)
Fronius International GmbH
Original Assignee
Fronius International GmbH
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 Fronius International GmbH filed Critical Fronius International GmbH
Publication of EP1704014A1 publication Critical patent/EP1704014A1/fr
Withdrawn legal-status Critical Current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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/0093—Working by laser beam, e.g. welding, cutting or boring combined with mechanical machining or metal-working covered by other subclasses than B23K
    • 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
    • B23K26/346—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding
    • B23K26/348—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding in combination with arc heating, e.g. TIG [tungsten inert gas], MIG [metal inert gas] or plasma welding
    • 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
    • B23K28/00—Welding or cutting not covered by any of the preceding groups, e.g. electrolytic welding
    • B23K28/02—Combined welding or cutting procedures or apparatus
    • 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
    • B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
    • B23K9/1675—Arc welding or cutting making use of shielding gas and of a non-consumable electrode making use of several electrodes
    • 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
    • B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
    • B23K9/1735—Arc welding or cutting making use of shielding gas and of a consumable electrode making use of several electrodes

Definitions

  • the invention relates to a welding system with a welding device with a welding torch unit that can be connected to it via a hose package, wherein at least one control device, a welding current source and optionally a wire feed unit is arranged in the welding device, the welding torch unit comprising at least two separate welding torches for carrying out at least two independent, separate welding processes is trained.
  • the invention relates to a welding method in which at least two different welding processes are combined with one another.
  • welding torch includes a wide variety of conventional welding torches as well as laser torches or the like.
  • all parameters can be set via an input and / or output device on the welding device.
  • An appropriate welding process such as a pulse welding process or a spray arc welding process or a short arc welding process, is selected and the parameters are set accordingly.
  • an appropriate ignition process to ignite the arc. If the welding process is then started, the set welding process, for example a pulse welding process, is carried out after the arc is ignited using the set ignition process.
  • the various parameters such as the welding current, the wire feed speed, etc., can be changed for this selected welding process during the welding process. However, it is not possible to switch to another welding process, for example to a spray arc welding process.
  • the welding process that has just been carried out has to be interrupted, so that a different welding process, for example a spray arc welding process, can be carried out by means of a corresponding new selection or setting on the welding device.
  • EP 1 084 789 A2 describes a method and a device for protective gas hybrid welding in which a laser beam and an electric arc are generated by at least two electrodes under protective gases.
  • WO 2001/38038 A2 relates to a laser hybrid welding torch in which a laser welding process is combined with an arc welding process in order to improve the welding quality and the stability of the welding process.
  • the special arrangement of the individual assemblies with respect to one another is essential, as a result of which the weld pool through the laser beam is combined with the weld pool through the arc welding process to form a common weld pool and thus the stability of the arrangement and the penetration depth of the welding process can be increased.
  • the object of the present invention is to provide a welding system, and a welding process through which the amount of the filler material and the heat or. Energy input into the workpiece can be adjusted as independently as possible.
  • the object according to the invention is achieved by a welding system mentioned above, the first welding torch being designed to carry out a welding process and at least a second welding torch being designed to carry out a cold metal transfer welding process with a forward and backward movement of a welding wire and a device for synchronizing the the at least two welding torches executed welding processes is provided.
  • the cold metal transfer welding process By using the cold metal transfer welding process, the energy and heat input can be reduced, as a result of which only a little additional heat is introduced into the workpiece or the sheets. Furthermore, the gap bridging ability is significantly improved.
  • the welding processes can be optimally coordinated and thus the heat and energy input into the workpiece can be optimally adjusted.
  • different welding wire materials and welding wire diameters can be used and thus the material introduction into the workpiece can be controlled.
  • the object according to the invention is also achieved by an above-mentioned welding method, at least one welding process being formed by a cold-metal transfer welding process, a melting welding wire being moved back and forth and the at least two welding processes being synchronized in time.
  • Figure 1 is a schematic representation of a welding system or a welding device.
  • FIG. 2 shows a schematic illustration of a welding device according to the invention
  • FIG. 3 shows current, voltage and movement diagrams of a spray arc and a cold metal transfer welding process
  • Fig. 5 current, voltage and motion diagrams of a pulse and a cold metal transfer welding process
  • FIG. 6 shows a schematic illustration of a welding device according to the invention
  • FIG. 9-11 schematic representations of various welding devices according to the invention.
  • Fig. 1 is a welding device 1 or a welding system for various processes or procedures, such as MIG / MAG welding or TIG / TIG welding or electrode welding, double wire / tandem welding, plasma or soldering, etc. are shown.
  • the welding device 1 comprises a current source 2 with a power unit 3, a control device 4 and a switching element 5 assigned to the power part 3 or the control device 4.
  • the switching element 5 or the control device 4 is connected to a control valve 6, which is connected in a Supply line 7 for a gas 8, in particular a protective gas, such as CO 2 , helium or argon and the like, is arranged between a gas reservoir 9 and a welding torch 10 or a torch.
  • a wire feeder 11 which is common for MIG / MAG welding, can also be controlled via the control device 4, an additional material or a welding wire 13 from a supply drum 14 or a wire reel in the area of the welding torch via a supply line 12 10 is supplied.
  • the wire feed device 11 it is possible for the wire feed device 11, as it is scanned from the prior art, to be integrated in the welding device 1, in particular in the basic housing, and not as an additional device, as shown in FIG. 1. It is also possible for the wire feed device 11 to feed the welding wire 13 or the filler metal to the process point outside the welding torch 10, with a non-melting electrode preferably being arranged in the welding torch 10, as is customary in TIG / TIG welding.
  • the current for establishing an arc 15, in particular a working arc, between the electrode and a workpiece 16 is fed via a welding line 17 from the power unit 3 of the current source 2 to the torch 10, in particular the electrode, the workpiece 16 to be welded, which consists of several Share is formed via another welding line
  • a circuit can be set up for a process via the arc 15 or the plasma beam formed.
  • a cooling circuit can be used to cool the welding torch 10
  • the welding torch 10 with the interposition of a flow monitor 20 with a liquid container, in particular a water container 21, are connected, whereby when the welding torch 10 is started the cooling circuit 19, in particular a liquid pump used for the liquid arranged in the water container 21, is started and thus cooling of the welding torch 10 can be effected.
  • the welding device 1 also has an input and / or output device 22, by means of which the most varied welding parameters, operating modes or welding programs of the welding device 1 can be set or called up.
  • the welding parameters, operating modes or welding programs set via the input and / or output device 22 are forwarded to the control device 4, from which the individual components of the welding system or the welding device 1 are then controlled or corresponding setpoints for the regulation or control are specified.
  • the welding torch 10 is connected to the welding device via a hose package 23 1 or the welding system.
  • the individual lines from the welding device 1 to the welding torch 10 are arranged in the hose package 23.
  • the hose package 23 is connected to the welding torch 10 via a coupling device 24, whereas the individual lines in the hose package 23 are connected to the individual contacts of the welding device 1 via connection sockets or plug connections. So that a corresponding strain relief of the hose package 23 is ensured, the hose package 23 is connected via a strain relief device 25 to a housing 26, in particular to the base housing of the welding device 1.
  • the coupling device 24 can also be used for the connection to the welding device 1.
  • the welding torch 10 can be designed as an air-cooled welding torch 10.
  • FIGS. 2 to 11 Exemplary embodiments are shown in FIGS. 2 to 11, in which a combination of a welding process with a cold metal transfer welding process is described.
  • a MIG / AG welding process is combined with the cold metal transfer welding process in the exemplary embodiment according to FIGS. 2 to 5.
  • the welding system 27 shown includes the welding device 1 with a welding torch unit 29 connected to it via two hose packs 23, 28.
  • the welding torch unit 29 is formed from at least two independent welding torches 10 and 35, each welding torch 10, 35 with the respective hose pack 23, 28 is connected to the welding device 1, so that all components necessary for a welding process, such as the gas 8, the energy supply, the cooling circuit 19, etc., are sent to the
  • Welding torch unit 29 can be promoted. As already described in FIG. 1, a control device 4, a welding current source 2 and a wire feed unit 30 are arranged in the welding device 1, which are not all shown in FIG. 2.
  • the wire feed unit 30 is shown in FIG Example integrated in the welding device 1 and consists of two supply drums 14, 31 for a welding wire 13, 32, which is conveyed via a drive unit 33, 34 to the welding torches 10, 35 of the welding torch unit 29.
  • Each welding torch 10, 35 of the welding torch unit 29 can additionally have a drive unit 36 (shown schematically in broken lines).
  • the welding torch unit 29 in the exemplary embodiment shown has a common gas nozzle 37 for both welding torches 10, 35.
  • only one power source 2 is provided in the welding device 1 for supplying energy to the welding torch unit 29, and is alternately connected to the respective active welding torch 10, 35.
  • the welding torches 10, 35 arranged in the welding torch unit 29 are controlled via two separately controllable current sources 2 and 38, which are arranged in the welding device 1.
  • the first welding torch 10 is designed to carry out a welding process and the second welding torch 35 is designed to carry out a cold metal transfer welding process.
  • the first welding torch 10 is preferably formed by a MIG / MAG torch.
  • the first welding torch 10 is arranged upstream of the second welding torch 35 in the welding direction.
  • An advantage of this design is that two different welding processes can be carried out with, for example, different wire materials and different wire diameters.
  • root canal ßung ensures better gap bridging ability, as can be achieved by, for example, laterally displacing the at least two welding wires 13.
  • two welding torches 10, 35 or the electrically separated components of welding torches 10, 35 are arranged in one structural unit in the welding torch unit 29, as a result of which two welding methods which work independently of one another can be used.
  • a MAG welding process is combined with a cold metal transfer welding process, as shown in FIGS. 3 to 5 in the form of current, voltage and wire movement diagrams.
  • the lift-arc principle ignition phase 39 is used in the welding methods according to the invention for igniting the arc 15. Since this is a method known from the prior art, it will not be discussed in more detail.
  • the welding wire 13, 32 is advanced until it comes into contact with the workpiece 16, whereupon the welding wire movement is subsequently reversed and the welding wire 13, 32 is returned to a predefined distance 40 from the workpiece 16, whereupon the welding wire movement is reversed again.
  • a defined current level to the welding wire 13, 32 from the time of the short circuit, which is selected such that melting or melting of the welding wire 13, 32 is prevented, the welding wire 13 moves backwards and is lifted off , 32 the ignition of the arc 15 for the two welding wires 13, 32 independently of one another.
  • the MAG welding process is shown in diagrams 41, 42 and 43 and the cold metal transfer welding process is shown in diagrams 44, 45 and 46.
  • the welding current I is increased in a defined manner at a point in time 47 and the welding wire 13 is conveyed in the direction of the workpiece 16. Due to the continuously applied welding current I, a drop 48 forms at the end of the welding wire, which drops depending on the level of the welding current I after a defined period of time Detachable welding wire 13 and forms a drop chain 49. This process is now repeated periodically. The welding wire 13 is thus only conveyed in the direction of the workpiece 16 -arrow 50-, whereas the welding wire 13 is moved back and forth in the cold-metal transfer welding process, as can be seen in the diagram 46.
  • the cold-metal transfer welding process is characterized in that the welding wire 32 performs a movement in the direction of the workpiece 16 -arrow 50- from an initial position, i.e. a distance 40 from the workpiece 16, as is the case from a point in time 47 in diagram 46 can be seen.
  • the welding wire 32 is thus conveyed up to the contact with the workpiece 16 at time 51 in the direction of the workpiece 16, then after formation of a short circuit, the wire feeding is reversed and the welding wire 32 up to the predefined distance 40, that is, preferably again in the starting position, from Workpiece 16 conveyed back.
  • the welding current I is compared to a basic current 52 during the forward movement of the welding wire 32 in the direction of the workpiece 16 -arrow 50- of the arc 15 is defined without substantial melting of the welding wire 32, changed, in particular increased, as can be seen in the diagrams 44 and 45.
  • the current I is thus regulated such that the welding wire 32 melts during the forward movement, that is to say a drop 48 is formed. Due to the immersion of the welding wire 32 in the weld pool (not shown) and the subsequent backward movement of the welding wire 32, the drop 48 formed or the melted material is detached from the welding wire 32.
  • a pulse-like increase in the welding current I can be carried out to support the drop detachment.
  • the wire feed speed it is possible for the wire feed speed to be changed, in particular increased, during the cold metal transfer welding process, for example in order to ensure that the cold metal transfer welding process is carried out more quickly.
  • a pulse welding process is now shown in combination with a cold metal transfer welding process.
  • a first diagram 53 shows a current, time diagram of the pulse welding process
  • a second diagram 54 shows a voltage, time diagram of the pulse welding process
  • a diagram 55 shows a wire movement diagram of the pulse welding process
  • a diagram 56 shows a current, time diagram of a cold -Metal transfer welding process
  • a diagram 57 a voltage, time diagram of the cold metal transfer welding process
  • a diagram 58 a wire movement diagram of the cold metal transfer welding process.
  • pulse welding process after an ignition phase 39, which is again carried out, for example, in the form of the lift-arc principle, forms and closes a drop 48 on the welding wire 13 at a point in time 59 by applying a current pulse, pulse current phase 60 is detached from the end of the welding wire at a time 61.
  • the current I is then reduced to a defined base current 52 - base current phase 62.
  • a cyclic application of the pulse current phase 60 and the basic current phase 62 detaches one drop 48 from the welding wire 13 per pulse current phase 60, as a result of which a defined material transfer takes place to the workpiece 16.
  • the cold-metal transfer welding process is combined with the pulse welding process, the cold-metal transfer welding process not being discussed in detail, since this has already been described in FIGS. 2 to 5.
  • the cold-metal transfer welding process for example, only one current source 2 can be used, which is alternately connected to the welding torch 10, 35 which is currently active.
  • the welding processes can thus be synchronized with one another, for example a simultaneous drop detachment from the welding wire 13, 32 are made possible.
  • the control takes place in such a way that the drop detachment of the pulse welding process takes place synchronously with the drop detachment of the cold metal transfer welding process.
  • a drop 48 in the pulse welding process and a drop 48 in the cold metal transfer welding process are replaced at the same time, see time 61.
  • the drop detachment of the cold metal transfer welding process can, of course, also be controlled at different times from the pulse welding process, in particular during the basic current phase 62 of the pulse welding process, as can be seen in FIG. 5.
  • the combination of the pulse welding process with the cold metal transfer welding process, the cold metal transfer welding process carried out via the second welding torch 35 follows the first welding torch 10 in the welding direction .
  • a major advantage is that the cold-metal transfer welding process introduces significantly less heat and energy into the workpiece 16 and thus, by combining a MIG / MAG welding process with the cold-metal transfer welding process, more welding material with less Increasing the heat input into the workpiece 16 is achieved.
  • the welding device 1 for supplying energy to the welding torches 10, 35 arranged in the welding torch unit 29 has two separately controllable current sources. However, this is not absolutely necessary, since the welding torches 10, 35 can also be controlled by a single power source, the power source being connected alternately with the respectively active welding torch 10, 35.
  • each welding torch 10, 35 has a drive unit 36, as is shown schematically in FIG. 6.
  • the two cold metal transfer welding processes are synchronized with each other, ie that the droplet detachment from the welding wire 13 takes place simultaneously, for example - FIG. 7-, while the drop detachment can of course also be staggered in time, as shown in FIG. 8 is shown schematically.
  • a diagram 63 shows a voltage-time diagram, a diagram 64 a current-time diagram and a diagram 65 a movement diagram of the first cold metal transfer welding process, while a diagram 65, 66 and 67 also show a voltage-time - Show a current-time and a motion diagram of the second cold metal transfer welding process.
  • the welding current I is increased to a limited extent, i.e. a current pulse is applied, which forms the pulse current phase 60, as can be seen from the diagrams of both welding processes in FIG. 7, while in FIG. 8 the second Cold metal transfer welding process is started with a time delay, that is to say delayed by the pulse current phase 60 of the first cold metal transfer welding process.
  • the welding wire 13, 32 is conveyed in the direction of the workpiece 16 -arrow 50- and a drop 48 forms at the end of the welding wire due to the increased welding current.
  • the welding wire 13, 32 is conveyed in the direction of the workpiece 16 until contact 70 with the workpiece 16 and then, ie after the formation of a short circuit, is conveyed back to a starting position, ie the distance 40.
  • the droplet detachment is achieved by immersion in the weld pool (not shown). 8, the welding current I is increased and the pulse current phase 60 is initiated in the delayed, second cold-metal transfer welding process at time 70.
  • the welding current I is reduced to the base current 52 at the time 70 in order to prevent the formation of drops or melting of the welding wire 13, 32 during the base current phase 62, during the base current phase 62 in the second cold metal transfer shown with a delay in FIG. 8 Welding process is again initiated at different times, as can be seen at a point in time 71.
  • the first welding torch 10 as a TIG welding torch, the TIG welding process then being combined with a cold metal transfer welding process, as is shown schematically in FIG. 9.
  • the additional energy source of the TIG welding process can, for example, achieve higher heating and thus melting of the workpiece 16, while the cold-metal transfer welding process results in only a small additional heat input.
  • a non-melting electrode 72 for example a tungsten electrode, is arranged in the first welding torch 10 of the welding torch unit 29 in the region of the gas nozzle 37.
  • the gas nozzle 37 is separate, ie the two welding torches 10, 35 for the two independent, separate welding processes, that is to say the TIG welding process and the cold metal transfer welding process, each have their own gas nozzle 37. Only a thermally and electrically separated gas nozzle 37 is shown. This has the advantage that, for example, different welding gases and thus different gas pressures can be used for the two independent welding processes. This will For example, the quality of the weld seam also increases, since the optimum welding gas for the welding process is used for the respective welding process.
  • the welding wire 13 that is to say the filler material for the TIG welding process, is fed to the welding torch 10 via a pipe 73 and conveyed into the arc 15 of the welding torch 10. Since the TIG welding process represents a welding process known from the prior art, this is not dealt with in more detail in the description. As already mentioned, the TIG welding process combines the cold metal transfer welding process, the cold metal transfer welding process not being discussed in detail, since this is already described in FIGS. 2 to 5.
  • a welding process which is formed by a plasma torch is combined with a cold metal transfer welding process. Since the plasma welding process is already well known from the prior art, a detailed description of the plasma welding process is omitted. It is only mentioned that in the plasma welding process, the arc 15 is ignited in a gas nozzle 74 by means of HF ignition. The arc 15 burns within the gas nozzle 74 and only a hot, ionized plasma jet 75 emerges from the gas nozzle 74. After the ignition phase 39 (not shown), a welding current which is lower than the ignition phase 39 is applied in order to keep the arc 15 upright. The workpiece 16 is melted by the plasma jet 75. The welding wire 13, that is to say the filler material, is also conveyed into the plasma jet 75 through a pipe 73 arranged on the welding torch 10 of the welding torch unit 29. This ensures continuous droplet detachment.
  • the gas nozzle 37 is also possible to design the gas nozzle 37 as a separate gas nozzle 37 when combining the plasma welding process with the cold metal transfer welding process, as already shown in FIG. 9 when combining the TIG welding process with the cold metal -Transfer welding process has been described.
  • the cold-metal transfer welding process is combined with the plasma welding process, the cold-metal transfer welding process not being discussed in more detail because this is already described in FIGS. 2 to 5.
  • a laser unit 76 may be formed instead of the first welding torch 10, the laser unit 76 being combined with the second welding torch 35 for the cold metal transfer welding process in the welding torch unit 29. Such a variant is shown in FIG. 11.
  • the laser unit 76 can also be arranged outside the welding torch unit 29.
  • the weld seam is significantly reduced at a higher welding speed by means of a laser 77 or the laser optics, since the laser beam 78 causes a defined penetration into the workpiece 16 and the cold-metal transfer welding process that follows the prepared seam fills. This means that less precise preparatory work on the weld seam is required, since improved gap bridging is ensured.
  • the cold metal transfer welding process is in turn combined with the laser unit 76, which in this exemplary embodiment forms the welding torch 10.
  • the welding torches 10, 35 are designed such that the welding torches 10, 35 can accommodate different welding wires and welding wire diameters. Thus, when changing the welding wire, there is no need to change the required components for welding wire conveyance, which means that the user does not have to do any conversion work.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Arc Welding In General (AREA)
  • Laser Beam Processing (AREA)

Abstract

L'invention concerne une installation de soudage (27) comportant un appareil de soudage (1) auquel un ensemble chalumeau (29) peut être raccordé au moyen d'un ensemble de tuyaux flexibles (23, 28). Dans l'appareil de soudage (1) sont disposés un dispositif de commande (4), une source de courant de soudage (2) et, éventuellement, une unité de transport d'électrodes de soudage (30). L'ensemble chalumeau (29) est constitué d'au moins deux chalumeaux (10, 35) séparés pour la réalisation d'au moins deux processus de soudage séparés indépendants. L'invention concerne également un procédé de soudage selon lequel au moins deux processus de soudage différents sont combinés. Pour l'obtention d'une telle installation de soudage (27) et d'un procédé de soudage associé, avec lesquels la quantité de la matière d'apport à amener et l'apport de chaleur ou d'énergie à la pièce (16) peuvent être réglés le plus possible indépendamment l'un de l'autre, il est prévu qu'un premier chalumeau (10) soit conçu pour la réalisation d'un processus de soudage et qu'au moins un second chalumeau (35) soit conçu pour la réalisation d'un processus de soudage par transfert de métal à froid avec déplacement en avant et en arrière d'une électrode de soudage (32) et qu'un dispositif serve à la synchronisation des processus de soudage réalisés par les deux, au moins, chalumeaux (10, 35).
EP04802002A 2003-12-15 2004-12-14 Installation et procede avec lesquels au moins deux processus de soudage differents sont combines Withdrawn EP1704014A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0201403A AT500898B8 (de) 2003-12-15 2003-12-15 Schweissanlage
PCT/AT2004/000439 WO2005056228A1 (fr) 2003-12-15 2004-12-14 Installation et procede avec lesquels au moins deux processus de soudage differents sont combines

Publications (1)

Publication Number Publication Date
EP1704014A1 true EP1704014A1 (fr) 2006-09-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04802002A Withdrawn EP1704014A1 (fr) 2003-12-15 2004-12-14 Installation et procede avec lesquels au moins deux processus de soudage differents sont combines

Country Status (6)

Country Link
US (1) US20070145028A1 (fr)
EP (1) EP1704014A1 (fr)
JP (2) JP2007513779A (fr)
CN (1) CN1894070A (fr)
AT (1) AT500898B8 (fr)
WO (1) WO2005056228A1 (fr)

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JP2007513779A (ja) 2007-05-31
AT500898B8 (de) 2007-02-15
CN1894070A (zh) 2007-01-10
US20070145028A1 (en) 2007-06-28
JP2011200937A (ja) 2011-10-13

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