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WO2000064620A1 - Procede de soudage et dispositif de soudage pour ce procede - Google Patents

Procede de soudage et dispositif de soudage pour ce procede Download PDF

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Publication number
WO2000064620A1
WO2000064620A1 PCT/AT2000/000106 AT0000106W WO0064620A1 WO 2000064620 A1 WO2000064620 A1 WO 2000064620A1 AT 0000106 W AT0000106 W AT 0000106W WO 0064620 A1 WO0064620 A1 WO 0064620A1
Authority
WO
WIPO (PCT)
Prior art keywords
welding
welding wire
current
wire
arc
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/AT2000/000106
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 Schweissmaschinen Produktion GmbH and Co KG
Original Assignee
Fronius Schweissmaschinen Produktion 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 Fronius Schweissmaschinen Produktion GmbH and Co KG filed Critical Fronius Schweissmaschinen Produktion GmbH and Co KG
Priority to AU42747/00A priority Critical patent/AU4274700A/en
Publication of WO2000064620A1 publication Critical patent/WO2000064620A1/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
    • B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
    • B23K9/1336—Driving means
    • 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
    • B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
    • B23K9/073—Stabilising the arc
    • B23K9/0735—Stabilising of the arc length

Definitions

  • the invention relates to a ner driving and a device for arc welding according to the preambles of claims 1 and 20.
  • a ner driving for igniting and maintaining an arc for arc welding is known.
  • the arc is supplied or the ignition process takes place via a regulated energy source.
  • the welding wire is moved in the direction of the workpiece until contact is made, that is, until a short circuit is formed, as a result of which the welding wire is then supplied with energy from the energy source.
  • the welding wire is then moved away from the workpiece so that the arc is ignited by lifting the welding wire off the workpiece, that is to say by resolving the short circuit.
  • the backward movement of the welding wire from the workpiece is continued until a corresponding arc length is reached, whereupon the movement of the welding wire in the direction of the workpiece, that is, into a forward movement, is reversed.
  • the ignition process of the arc is completed, so that a welding process can be carried out by a continuous forward movement in the direction of the workpiece. If a short circuit occurs, that is when the welding wire strikes the surface of the workpiece, a higher current pulse than that set welding current is applied to the welding wire, so that a melting of the short circuit and thus a metal drop detachment is achieved. However, the forward movement of the welding wire is maintained.
  • the present invention has for its object to provide a method and a device for igniting and maintaining an arc, in which the welding quality of the welding process is significantly improved.
  • Measures such as those described in claims 12 to 14 are also advantageous, because as a result process-dependent parameters can be used as a basis for the regulation and a rapid reaction required to control such processes is made possible.
  • the object of the invention is also achieved by the characterizing features of claim 20.
  • the surprising advantage is that by reversing the
  • An embodiment as described in claim 21 is also advantageous, since a very rapid reversal of movement can be carried out in the case of a drive by means of a servo motor.
  • Another advantageous embodiment also describes claim 22, because it enables inexpensive, commercially available devices to be used.
  • Figure 1 is a schematic representation of a welding machine with the individual components in a simplified, schematic representation.
  • Fig. 2 is a simplified block diagram for performing the invention
  • FIG. 3 shows a diagram with the feed profile of the welding wire for carrying out the method according to the invention
  • Fig. 5 is a diagram of a current profile in the implementation of the invention
  • FIG. 6 shows a diagram of a further variant of the current profile when carrying out the method according to the invention.
  • FIG. 8 shows an embodiment of a feed device for the welding wire of the welding device according to the invention in view
  • FIG. 10 shows a further embodiment of the feed device for the welding wire for the welding device according to the invention in view
  • Fig. 11 is a schematic diagram for controlling the drive of the feed device for the welding wire of the welding device according to the invention.
  • the same parts are provided with the same reference numerals or the same component names, and the disclosures contained in the entire description can be applied analogously to the same parts with the same reference numerals or the same component names.
  • the position information selected in the description such as, for example, top, bottom, side, etc., are based on the figure described and illustrated immediately, and are to be transferred accordingly to the new position in the event of a change in position.
  • individual features or combinations of features from the different exemplary embodiments shown and described can also represent independent, inventive or inventive solutions.
  • Fig. 1 is a welding system or a welding device 1 for various welding processes, such as MIG / MAG welding or TIG welding, or electrode welding process 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 unit 3 or the control device 4.
  • the switching element 5 or the control device 4 is connected to a control valve 6, which in a supply line 7 for a gas 8, in particular a protective gas such as CO 2, helium or argon and the like, between a gas storage device 9 and one
  • Welding torch 10 is arranged.
  • a feed device 11 which is customary for MIG / MAG welding, can also be controlled via the control device 4, a welding wire 13 being fed from a supply drum 14 into the area of the welding torch 10 via a supply line 12.
  • the feed device 11 is integrated in the welding device 1 and not, as shown in FIG. 1, is designed as an additional device.
  • Workpiece 16 is fed via a supply line 17 from the power section 3 of the power source 2 to the welding torch 10 or the welding wire 13, the workpiece 16 to be welded being likewise connected to the welding device 1, in particular the power source 2, and thus via a further supply line 18
  • a circuit can be built over the arc 15.
  • the welding torch 10 can be connected to a coolant tank 21 via a cooling circuit 19 with the interposition of a flow monitor 20, so that when the welding torch 10 is started up, the cooling circuit 19, in particular a liquid pump used for the liquid arranged in the coolant tank 21, can be started and thus cooling the welding torch
  • the welding device 1 furthermore has an input and / or output device 22, by means of which the most varied welding parameters or operating modes of the welding device 1 can be set.
  • the welding parameters set via the input and / or output device 22 are forwarded to the control device 4 and the individual components of the welding system or the welding device 1 are then controlled by the latter.
  • welding torch 10 is in the illustrated embodiment
  • Hose package 23 connected to the welding device 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 connecting device 24 which is part of the prior art, 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 to a housing 26 of the welding device 1 via a strain relief device 25.
  • Welding machine 1 shown with the power source 2.
  • the individual components of the power unit 3 and the control device 4 are arranged integrated in the welding device 1.
  • the current source 2 is connected to the welding torch 10 or the workpiece 16 via the supply lines 17, 18. So that the feed device 11 can be controlled, the control device 4 is connected to the control line 27, 28 with the
  • Feed device 1 1 connected.
  • the feed device 11 has the storage drum 14 with the welding wire 13 and a drive device 29, e.g. formed by conveyor rollers 30, 31, and a drive 32.
  • the process sequence described below is controlled and monitored by the control device 4.
  • the power section 3 is connected to an external, preferably regulated energy source 33.
  • control device generates an output signal for changing the feed direction of the welding wire as a function of the arc voltage which is set, the feed movement after the arc voltage has dropped to or below a process-dependent minimum value stopped and / or a direction reversal of the advance movement takes place, so that after an increase and reaching or exceeding the
  • 3 shows the feed speed "Vd" of the welding wire 13 as a function of the time "t", which is plotted on the abscissa of the diagram.
  • the curve of the feed speed "Vd” in the area above the abscissa represents a forward movement of the welding wire 13 in the direction of the workpiece 16 and the curve below the abscissa represents a backward movement, which leads to a removal of the welding wire end from the workpiece 16.
  • 4 shows the voltage profile and in FIG. 5 the current profile on the welding wire 13 with the curve profile of the voltage U and the curve profile of the current I.
  • Ignition method for the first ignition of the arc 15 as used, for example, from EP 0 904 883 A, so that this ignition method is no longer discussed in detail.
  • any other ignition method known from the prior art, in particular for short-circuit welding, can be used. It is not necessary that a first and for the first ignition of the arc 15
  • the ignition can take place, ie that, for example, high-frequency ignition can also be used.
  • the welding process in particular the ignition method, is started at a point in time 34.
  • the control device 4 initiates a forward movement of the welding wire 13.
  • the current source 2 is activated, so that a corresponding energy supply for the welding wire 13 is built up.
  • a short circuit occurs between the workpiece 16 and the welding wire 13, ie the welding wire 13 has run up on the surface of the workpiece 16, so that the voltage applied to the welding wire 13 breaks down and the current begins to flow.
  • This short circuit between the welding wire 13 and the workpiece 16 is recognized by the control device 4, whereupon this initiates a reversing movement of the welding wire 13, that is to say a backward movement.
  • the welding wire 13 lifts off the surface of the workpiece 16 and the arc 15 is ignited automatically. This is recognized by the control device 4.
  • the backward movement of the welding wire 13 can continue, for example, until a corresponding, pre-settable arc length is formed.
  • the backward movement of the welding wire 13 is in turn reversed into a forward movement, as can be seen at a point in time 37.
  • the current is increased so that a stable arc 15 can be built up.
  • the arc 15 stabilizes, as a result of which the ignition process of the arc 15 is completed and the selected welding process can be started.
  • the backward movement is terminated when the short circuit is removed and thus a forward movement of the welding wire 13 is built up.
  • the two times 36 and 37 described above would coincide.
  • an arc voltage 39 is set between the welding wire 13 and the workpiece 16, the voltage profile of which is monitored by the control device 4.
  • the supply with the welding current 40 required for the welding process takes place via the current source 2 in a process-dependent, preset order of magnitude.
  • 5 shows a current profile with a welding current 40 held constant, i.e. that, for example, a welding current 40 applied to the welding wire 13 is kept constant over the entire welding process that is carried out.
  • the welding wire 13 is, for example, kept constant, maximum, preset feed rate according to curves 41 moves in the direction of the workpiece 16.
  • the welding wire 13 melts and thus the formation of a metal drop at the end of the welding wire, which is transferred into the weld pool by the surface tension present in the weld pool, a short circuit being formed during the transition, as shown at a point in time 42, ie, that the welding wire 13 touches the surface of the workpiece 16 with the molten metal drop.
  • the control device 4 can recognize this because, in accordance with the curve 43 in FIG. 4, the built-up arc voltage 39 on the welding wire 13 breaks down.
  • the preset current profile in particular the welding current 40, is maintained, that is to say that when the short circuit is formed, there is no current increase for the melting of the short circuit, as is known from prior art welding processes , is carried out. This ensures that a spatter-free detachment of the metal drop from the welding wire 13 can be ensured.
  • the detachment of the metal drop takes place in the method according to the invention in such a way that the short circuit, that is to say by touching the molten metal drop with the weld pool, pulls it into the weld pool due to the surface tension of the weld pool, the backward movement of the welding wire assisting the detachment of the metal drop from the end of the welding wire and thus a faster detachment of the metal drop is effected. If the metal drop has detached from the end of the welding wire, the short circuit is removed and a new arc 15 is ignited automatically, as can be seen at time 45. Then there is a reverse movement of the welding wire 13, that is to say that the welding wire movement is reversed from the backward movement into a new forward movement until a short circuit occurs again, so that the steps described above are repeated.
  • Welding process for an ignition and a welding process is created, which is completely spatter-free and thus post-treatments of the surface of the workpiece 16 can be omitted.
  • the backward movement of the welding wire 13 ensures that the short-circuit condition is thus eliminated without having to carry out a corresponding current increase in order to detach the metal drop.
  • this is mainly so-called short-arc welding, in which the material is transported in the short-circuit phase of the arc 15.
  • this welding process for other welding processes.
  • the welding wire movement is not reversed at the same time as the short circuit is released, but that the welding wire 13 is moved back until a corresponding arc length is established and only then is the forward movement initiated for the further melting of the metal drop. It can also be, for example, the
  • Welding current 40 are pulsed at any frequency and the welding wire 13 moves at the end of the pulse in the direction of the workpiece 16 until the metal drop touches the weld pool.
  • the resulting process state short circuit is subsequently resolved by a backward movement of the welding wire 14, after which a new current pulse is applied when the drive device 32 is stopped or the movement is reversed into the forward movement of the welding wire 13.
  • Another possibility is to reduce the welding current to a lower value during the forward movement of the welding wire 13 in order, for example, to reduce the recoil forces that could throw the metal drop out of the arc 15 with larger welding currents and when using CO2 as protective gas and thus negatively influence the welding result as a result of the welding spatter that occurs.
  • FIG. 6 An exemplary embodiment with a pulsed current profile is shown in FIG. 6. After completion of the ignition process, the welding current 40 is kept constant at a preset current level for a certain period of time 46, so that a corresponding drop of metal can form at the end of the welding wire.
  • the individual short-circuit times are known, so that, for example, the welding current 40 is reduced before a short circuit is formed. So that the individual short-circuit times can be determined, it is possible for a corresponding test welding to be carried out first, so that these times can be recorded and stored by the control device 4.
  • the control device 4 can calculate these times on the basis of the preset wire feed speed, so that the control device 4 in turn can determine the length of the time period 46 for lowering the welding current 40 before the short circuit can.
  • the welding current 40 is therefore reduced to a lower value before the formation of a short circuit, which means that a considerably higher welding current 40 can be used for the formation of the metal drop and no welding spatter can occur nevertheless , because when the
  • the welding current is lowered.
  • the welding current 40 is now kept constant during the forward movement over a certain period of time 46 to a corresponding welding current level, with a reduction to a corresponding lower value taking place after this period 46.
  • the welding current 40 is then kept constant at this lower value until the arc 15 is re-ignited, i.e. that a constant welding current 40 is maintained when the short circuit occurs and the subsequent backward movement occurs.
  • FIG. 7 again shows a visual white method in which the welding current 40 is applied to the welding wire 13 in a pulsed manner, as is described in FIG. 6.
  • a further current pulse 47 is formed in the backward movement of the welding wire 13, that is to say after the formation of the short circuit.
  • This current pulse 47 has the task of helping to detach the metal drop, i.e. that due to this current pulse 47 a constriction is formed during the backward movement, so that an easier and faster detachment of the metal drops from the welding wire 13 is achieved.
  • the level of this current pulse 47 is freely adjustable.
  • the magnitude of this current pulse 47 is selected such that no metal drop detachment occurs with a corresponding welding wire diameter.
  • a current pulse 47 in the backward movement has the effect that additional energy is introduced into the metal drop, so that no cooling or additional softening of the metal drop is carried out, which leads to an even easier detachment of the metal drop. Furthermore, it is achieved that the backward movement is minimized by the current pulse 47, i.e. that the welding wire 13 no longer has to be moved back so much.
  • control of the methods described above can also be achieved in such a way that, for example, the wire feed speed is selected arbitrarily and a corresponding current control is carried out or vice versa, ie the speed of the forward and / or backward movement is regulated as a function of the current or vice versa can. This is possible because the control device 4 controls the states of the
  • a brushless, current-operated servo motor 50 is particularly suitable as the drive 32 for the rapid change in the direction of rotation required for the welding process described above to bring about the forward or backward movement of the welding wire 13.
  • FIG. 9 shows a further embodiment of the feed device 11 for the welding wire 13.
  • This is formed in the manner of a linear slide device 51 known from the prior art, which is equipped with gripping tongs 52 for gripping the welding wire 13 and which can be moved in opposite directions on a slide arrangement 53 and alternately clamp the welding wire 13 during the feed movement and move and with which a rapid reversal of the direction of movement is possible.
  • the drive 32 for feed devices 11 designed in this way can be operated both electrically via linear motors and via drive elements, for example cylinders 54, which are acted upon by a pressure medium.
  • a roller drive 55 is arranged on a slide device 56 which can be quickly reversed in its direction of movement, the slide device 56 being moved for a sensitive movement sequence, for example via a spindle drive 58 operated with a servo motor 57, as shown in FIG 10 is shown schematically.
  • a reversal of the direction of rotation of the drive 32 is not necessary since the direction of movement of the welding wire 13 is reversed by the spindle drive 58.
  • the drive 32 of the linear slide device 51 to be formed by an eccentric drive.
  • FIG. 11 A further embodiment of the welding device 1 according to the invention is shown in FIG. 11 using a schematic diagram.
  • the welding device 1 fed by the energy source 33 has the power section 3 with the current source 2, the control device 4, the feed device 11 for the welding wire 13 and the supply lines 17, 18 and the welding torch 10 for carrying out the welding process on the workpiece 16.
  • a supply circuit 60 formed by lines 59 for the drive 32 is a
  • Switching means 61 e.g. for reversing the drive 32 e.g. the servo motor 50.
  • the control device 4 has a control circuit 63 which is formed by a target / actual comparator 62 and is acted upon by an evaluation circuit 64 which detects the arc voltage.
  • the evaluation circuit 64 and the setpoint / actual comparator 62 form a diagnostic circuit 65 with the control circuit 63 to act upon the switching means 61.
  • the voltage change on the arc 15 is permanently determined in the evaluation circuit 64, the voltage change in a predetermined time unit preferably being determined by means of a timing element 66 and a control function being used in the diagnosis circuit 65. It is now possible to control the drive 32 of the feed device 11 as a function of the change in voltage of the arc 15 and as a function of stored parameters of the target / actual comparator 62 and to feed the welding wire 13 in the direction of the workpiece 16 at a controlled feed rate promote. When a voltage drop is detected, countermeasures are possible by reversing the drive 32 and thus reversing the movement of the welding wire 13 in fractions of a second, as a result of which a short-circuit condition with its negative effects
  • the wire can be driven by means of two rollers which have a groove in which the wire is guided. These rollers are driven, for example, by a brushless servo motor that is specified for very fast changes in the direction of rotation.
  • a drive by means of a gripping mechanism would be conceivable, or else a roller drive which is mounted on a slide, the direction changes of the wire electrode, in particular the welding wire, taking place via the slide.
  • the wire drive unit should be located very close to the welding torch, in particular at the welding torch tip, in the exemplary embodiments described, since at greater distances the movement at the welding torch tip is delayed due to the play in the wire feed core for the movement of the wire drive and therefore no longer correspondingly quickly on the Process state can be reacted to.
  • the wire feed movement i.e. the forward and / or backward movement
  • the wire feed control can also take place through the relative movement of the welding torch 10 relative to the workpiece 16, which is fastened, for example, on a linear slide, the wire feed control then moving the welding wire forward at a constant speed, so in the direction of
  • Workpiece 16 or the melt pool can promote and the wire drive does not have to be located directly at the welding point.
  • the wire drive does not need to be able to move backwards in this case either.
  • FIGS. 1; 2; 3, 4, 5, 6, 7, 8, 9; 10, 11 shown stations form the subject of independent solutions according to the invention.
  • the tasks and solutions according to the invention in this regard can be found in the detailed descriptions of these figures.
  • Control device 44 curve shape
  • Control valve 46 time period
  • Input and / or output device 62 target / actual comparator

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding Control (AREA)

Abstract

L'invention concerne un procédé de soudage, en particulier un procédé de soudage à l'arc permettant de réaliser une soudure par fusion d'un fil (13) de soudure sous l'effet d'un arc électrique, l'alimentation en énergie étant assurée par au moins une source (2) d'électricité réglable. Une unité (4) de commande commande ou règle cette source (2) d'alimentation. Lorsqu'un court-circuit se produit après le premier amorçage de l'arc (15) électrique entre le fil (13) de soudure et la pièce (4) dans le cours de processus de soudage, le mouvement d'avancement du fil (13) de soudure est stoppé ou inversé de manière à interrompre le court circuit.
PCT/AT2000/000106 1999-04-26 2000-04-26 Procede de soudage et dispositif de soudage pour ce procede Ceased WO2000064620A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU42747/00A AU4274700A (en) 1999-04-26 2000-04-26 Welding method and welding device for carrying out said welding method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT73199A AT409832B (de) 1999-04-26 1999-04-26 Schweissverfahren und schweissgerät zur durchführung des schweissverfahrens
ATA731/99 1999-04-26

Publications (1)

Publication Number Publication Date
WO2000064620A1 true WO2000064620A1 (fr) 2000-11-02

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PCT/AT2000/000106 Ceased WO2000064620A1 (fr) 1999-04-26 2000-04-26 Procede de soudage et dispositif de soudage pour ce procede

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AT (1) AT409832B (fr)
AU (1) AU4274700A (fr)
WO (1) WO2000064620A1 (fr)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2835456A1 (fr) * 2002-02-01 2003-08-08 Air Liquide Procede de soudage d'elements de vehicules automobiles, en particulier de flancs raboutes
EP1384547A3 (fr) * 2002-07-23 2005-03-16 Illinois Tool Works Inc. Méthode et appareil de commande d'un poste de soudage à l'arc avec court-circuits
EP1384546A3 (fr) * 2002-07-23 2005-03-16 Illinois Tool Works Inc. Procédé de commande d' un poste de soudage à l'arc avec court-circuits
WO2005042199A1 (fr) * 2003-10-23 2005-05-12 Fronius International Gmbh Procede pour piloter et/ou regler un processus de soudage et poste de soudure pour realiser ce procede
WO2005042201A1 (fr) * 2003-10-23 2005-05-12 Fronius International Gmbh Procede et dispositif pour le transport d'un fil-electrode de soudage
WO2005056228A1 (fr) * 2003-12-15 2005-06-23 Fronius International Gmbh Installation et procede avec lesquels au moins deux processus de soudage differents sont combines
US6963048B2 (en) 2002-07-23 2005-11-08 Illinois Tool Works Inc. Method and apparatus for welding with mechanical arc control
US7102099B2 (en) 2002-07-23 2006-09-05 Illinois Tool Works Inc. Method and apparatus for feeding wire to a welding arc
EP1577044A3 (fr) * 2003-12-05 2006-11-02 Illinois Tool Works Inc. Méthode pour délivrer un fil à un arc de soudage
WO2006125234A1 (fr) * 2005-05-24 2006-11-30 Fronius International Gmbh Procede de soudage par transfert de metal a froid et dispositif de soudage
US7165707B2 (en) 2002-07-23 2007-01-23 Illinois Tool Works Inc. Method and apparatus for feeding wire to a welding arc
US20070251927A1 (en) * 2004-05-10 2007-11-01 Fronius International Gmbh Laser Hybrid Welding Method and Laser Hybrid Welding Torch Using a Zinc and/or Carbon and/or Aluminum-Containing Rod
AT501489B1 (de) * 2005-02-25 2009-07-15 Fronius Int Gmbh Verfahren zum steuern und/oder regeln eines schweissgerätes und schweissgerät
US7705270B2 (en) 2002-06-03 2010-04-27 University Of Wollongong Control method and system for metal arc welding
AU2010200365B2 (en) * 2003-12-05 2011-07-28 Illinois Tool Works Inc. Method and apparatus for feeding wire to a welding arc
US8035059B2 (en) 2003-10-23 2011-10-11 Fronius International Gmbh Method for controlling and/or adjusting a welding process
EP2415548A1 (fr) * 2010-08-02 2012-02-08 Dinse G.m.b.H. Appareil de diagnostic pour appareils de soudure
DE102006050297B4 (de) * 2006-10-23 2012-05-03 Cloos Innovations - Gmbh Impulslichtbogenprozess
DE102013105956A1 (de) * 2013-06-07 2014-12-24 Schunk Lasertechnik GmbH Vorrichtung zum Zuführen eines länglichen Gegenstandes
EP2865476A3 (fr) * 2013-09-19 2015-10-21 Kabushiki Kaisha Yaskawa Denki Appareil, système et procédé de soudage à l'arc et article soudé
EP2292364B1 (fr) 2009-06-19 2016-01-06 Panasonic Intellectual Property Management Co., Ltd. Procédé de soudage à l'arc à électrode consommable et dispositif de soudage à l'arc à électrode consommable
EP2058078B2 (fr) † 2007-11-06 2019-07-24 Air Liquide Welding France Procédé de soudage à l'arc par court-circuit avec électrode fusible

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007000723A1 (de) * 2007-09-12 2009-03-19 Ewm Hightec Welding Gmbh Verfahren und Vorrichtung für eine diskontinuierliche Drahtförderung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2002667A (en) * 1977-08-18 1979-02-28 Oerlikon Buehrle Ag Method of and apparatus for pulsed arc welding with intermittent electrode wire rod feed
EP0320397A1 (fr) * 1987-12-11 1989-06-14 Regie Nationale Des Usines Renault Dispositif d'entraînement auto-adaptatif pour l'alimentation de torches de soudage en fil de soudure
DE19738785A1 (de) * 1997-09-04 1999-04-01 Leipold & Co Gmbh Elektronische Schweißenergiequelle
EP0983816A2 (fr) * 1998-09-04 2000-03-08 Japan as represented by Director General of National Research Institute for Metals Procédé de soudage à l'arc

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975616A (en) * 1974-11-13 1976-08-17 The Lincoln Electric Company Control circuit for automatic electric arc-welder
DE3213278A1 (de) * 1981-04-10 1982-11-18 Mitsubishi Denki K.K., Tokyo Mit kurzschluss arbeitende lichtbogen-uebertragschweissmaschine
GB8323036D0 (en) * 1983-08-26 1983-09-28 Alcan Int Ltd Electric arc welding apparatus
ATE260730T1 (de) * 1997-09-29 2004-03-15 Fronius Int Gmbh Verfahren zum zünden eines lichtbogens zwischen einem werkstück und einer abschmelzenden elektrode

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2002667A (en) * 1977-08-18 1979-02-28 Oerlikon Buehrle Ag Method of and apparatus for pulsed arc welding with intermittent electrode wire rod feed
EP0320397A1 (fr) * 1987-12-11 1989-06-14 Regie Nationale Des Usines Renault Dispositif d'entraînement auto-adaptatif pour l'alimentation de torches de soudage en fil de soudure
DE19738785A1 (de) * 1997-09-04 1999-04-01 Leipold & Co Gmbh Elektronische Schweißenergiequelle
EP0983816A2 (fr) * 1998-09-04 2000-03-08 Japan as represented by Director General of National Research Institute for Metals Procédé de soudage à l'arc

Cited By (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7176410B2 (en) 2002-02-01 2007-02-13 L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Method of welding motor vehicle elements, in particular tailored blanks
WO2003064096A3 (fr) * 2002-02-01 2004-03-11 Air Liquide Procede de soudage d'elements de vehicules automobiles, en particulier de flancs raboutes
FR2835456A1 (fr) * 2002-02-01 2003-08-08 Air Liquide Procede de soudage d'elements de vehicules automobiles, en particulier de flancs raboutes
US7705270B2 (en) 2002-06-03 2010-04-27 University Of Wollongong Control method and system for metal arc welding
US7364059B2 (en) 2002-07-23 2008-04-29 Illinois Tool Works Inc. Method and apparatus for feeding wire to a welding arc
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EP1384547A3 (fr) * 2002-07-23 2005-03-16 Illinois Tool Works Inc. Méthode et appareil de commande d'un poste de soudage à l'arc avec court-circuits
US6963048B2 (en) 2002-07-23 2005-11-08 Illinois Tool Works Inc. Method and apparatus for welding with mechanical arc control
US6969823B2 (en) 2002-07-23 2005-11-29 Illinois Tool Works Inc. Method and apparatus for controlling a welding system
US6984806B2 (en) 2002-07-23 2006-01-10 Illinois Tool Works Inc. Method and apparatus for retracting and advancing a welding wire
US7102099B2 (en) 2002-07-23 2006-09-05 Illinois Tool Works Inc. Method and apparatus for feeding wire to a welding arc
EP1384546A3 (fr) * 2002-07-23 2005-03-16 Illinois Tool Works Inc. Procédé de commande d' un poste de soudage à l'arc avec court-circuits
US7138602B2 (en) 2002-07-23 2006-11-21 Illinois Tool Works Inc. Method and apparatus for welding with mechanical arc control
EP2327499B1 (fr) 2002-07-23 2018-12-05 Illinois Tool Works Inc. Procédé de commande d'un poste de soudage à l'arc avec court-circuits
US7165707B2 (en) 2002-07-23 2007-01-23 Illinois Tool Works Inc. Method and apparatus for feeding wire to a welding arc
US7554056B2 (en) 2002-07-23 2009-06-30 Illinois Tool Works Inc. Method and apparatus for braking and advancing a welding wire
EP2327499A3 (fr) * 2002-07-23 2015-11-04 Illinois Tool Works Inc. Procédé de commande d'un poste de soudage à l'arc avec court-circuits
US7351933B2 (en) 2002-07-23 2008-04-01 Illinois Tool Works Inc. Method and apparatus for controlling a welding system
CN100404186C (zh) * 2002-07-23 2008-07-23 伊利诺斯器械工程公司 馈送焊条至焊接电弧处的方法和设备
US8124913B2 (en) 2003-10-23 2012-02-28 Fronius International Gmbh Method for controlling and/or adjusting a welding process and welding device for carrying out a welding process
WO2005042201A1 (fr) * 2003-10-23 2005-05-12 Fronius International Gmbh Procede et dispositif pour le transport d'un fil-electrode de soudage
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CN102009245A (zh) * 2003-10-23 2011-04-13 弗罗纽斯国际有限公司 控制焊接工艺的方法以及实施焊接工艺的焊接设备
US8035059B2 (en) 2003-10-23 2011-10-11 Fronius International Gmbh Method for controlling and/or adjusting a welding process
EP1577044A3 (fr) * 2003-12-05 2006-11-02 Illinois Tool Works Inc. Méthode pour délivrer un fil à un arc de soudage
AU2010200365B2 (en) * 2003-12-05 2011-07-28 Illinois Tool Works Inc. Method and apparatus for feeding wire to a welding arc
WO2005056228A1 (fr) * 2003-12-15 2005-06-23 Fronius International Gmbh Installation et procede avec lesquels au moins deux processus de soudage differents sont combines
US8471173B2 (en) * 2004-05-10 2013-06-25 Fronius International Gmbh Laser hybrid welding method and laser hybrid welding torch using a zinc and/or carbon and/or aluminum-containing rod
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AT501489B1 (de) * 2005-02-25 2009-07-15 Fronius Int Gmbh Verfahren zum steuern und/oder regeln eines schweissgerätes und schweissgerät
US9012808B2 (en) 2005-02-25 2015-04-21 Fronius International Gmbh Method for controlling and/or regulating a welding apparatus, and welding apparatus
WO2006125234A1 (fr) * 2005-05-24 2006-11-30 Fronius International Gmbh Procede de soudage par transfert de metal a froid et dispositif de soudage
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JP2008542027A (ja) * 2005-05-24 2008-11-27 フロニウス・インテルナツィオナール・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング コールドメタルトランスファ溶接方法及び溶接設備
DE102006050297B4 (de) * 2006-10-23 2012-05-03 Cloos Innovations - Gmbh Impulslichtbogenprozess
EP2058078B2 (fr) † 2007-11-06 2019-07-24 Air Liquide Welding France Procédé de soudage à l'arc par court-circuit avec électrode fusible
EP2292364B1 (fr) 2009-06-19 2016-01-06 Panasonic Intellectual Property Management Co., Ltd. Procédé de soudage à l'arc à électrode consommable et dispositif de soudage à l'arc à électrode consommable
EP2415548A1 (fr) * 2010-08-02 2012-02-08 Dinse G.m.b.H. Appareil de diagnostic pour appareils de soudure
DE102013105956A1 (de) * 2013-06-07 2014-12-24 Schunk Lasertechnik GmbH Vorrichtung zum Zuführen eines länglichen Gegenstandes
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US9770777B2 (en) 2013-09-19 2017-09-26 Kabushiki Kaisha Yaskawa Denki Arc welding apparatus, arc welding method, arc welding system, and welded article
EP2865476A3 (fr) * 2013-09-19 2015-10-21 Kabushiki Kaisha Yaskawa Denki Appareil, système et procédé de soudage à l'arc et article soudé

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AU4274700A (en) 2000-11-10
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