EP3681664A1 - WIG-BRENNER ZUM SCHWEIßEN, LÖTEN ODER BESCHICHTEN - Google Patents
WIG-BRENNER ZUM SCHWEIßEN, LÖTEN ODER BESCHICHTENInfo
- Publication number
- EP3681664A1 EP3681664A1 EP18792853.6A EP18792853A EP3681664A1 EP 3681664 A1 EP3681664 A1 EP 3681664A1 EP 18792853 A EP18792853 A EP 18792853A EP 3681664 A1 EP3681664 A1 EP 3681664A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas nozzle
- electrically insulating
- electrode
- tig
- insulating element
- 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.)
- Pending
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
- B23K9/16—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
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes or wires
- B23K35/0272—Rods, electrodes or wires with more than one layer of coating or sheathing material
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/003—Cooling means for welding or cutting
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/006—Safety devices for welding or cutting
-
- 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
- B23K9/164—Arc welding or cutting making use of shielding gas making use of a moving fluid
-
- 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
- B23K9/29—Supporting devices adapted for making use of shielding means
- B23K9/291—Supporting devices adapted for making use of shielding means the shielding means being a gas
- B23K9/296—Supporting devices adapted for making use of shielding means the shielding means being a gas using non-consumable 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
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
Definitions
- TIG torch for welding, soldering or coating
- the invention relates to TIG torch used for welding, soldering and
- Coating can be used.
- TIG torches with an additional (internal) gas nozzle between a non-consumable electrode and an external gas nozzle are exposed to the risk of being between the electrode and the inner gas nozzle and / or between at least one of the two gas nozzles and the workpiece during ignition or operation can lead to electrical short circuits or to the establishment of secondary arcs.
- Damage to the workpiece or the weld also causes considerable damage to the nozzles and in part also to the destruction of the burner.
- TIG torch abuts a workpiece or object placed in its vicinity during machining.
- an electrode is radially enclosed by an internal gas nozzle.
- at least the electrode tip protrudes in the direction of the workpiece surface beyond all parts of the TIG burner.
- Inner gas nozzle and the outer surface of the electrode a first gas flow is guided in the direction of a workpiece surface.
- the inner gas nozzle is attached to a sleeve-shaped mecanical , a first gas flow is guided in the direction of a workpiece surface.
- the inner gas nozzle is attached to a sleeve-shaped mecanical , a first gas flow is guided in the direction of a workpiece surface.
- the inner gas nozzle is attached to a sleeve-shaped réellegasdüsenlasi or directly to an electrically insulating element.
- the inner gas nozzle should be radially enclosed at least except for the protruding from the TIG torch electrode tip (6).
- the inner gas nozzle is also enclosed in the radial direction by an outer gas nozzle, which is attached to an outer gas nozzle carrier in an alternative. Between the radially outer circumferential surface of the inner gas nozzle and the inner circumferential surface of the outer gas nozzle is a second gas flow in Directed the workpiece surface. The second gas stream flows around the first out of the inner gas nozzle flowing first gas stream on the outside of vollgestlich. Between the inner gas nozzle carrier, the inner gas nozzle and / or the
- Electrode and the outer gas nozzle carrier and / or the foundedgasdüse an electrically insulating member is arranged, with the electrical short circuits or the formation of secondary arcs can be avoided in this area.
- the internal gas nozzle is connected directly to the electrically insulating element.
- the electrically insulating element is sleeve-shaped.
- Gas stream, the second gas stream and / or a cooling medium may be formed.
- Grooves or channels may be formed within the electrically insulating element but also on its surface.
- For the supply or discharge of gas or cooling medium holes may be passed through the material of the electrically insulating member to a groove or a channel.
- Grooves or channels can be oriented parallel or at an obliquely inclined angle not equal to 90 °, so that gas or cooling medium in the direction of the longitudinal axis of the TIG burner or the electrode can flow through the electrically insulating element.
- Measuring device for monitoring an electric current flow or the electrical voltage potential of the inner gas nozzle and / or the
- An electrode may be formed with an electrode tip attached to an electrode holder.
- the electrode holder can with a
- Electrode cooling tube to be connected or the electrode cooling tube in the
- An electrode cooling tube is at the opposite side of the electrode tip of the electrode holder
- a gas distributor which homogenizes the second gas stream in the form of a circular ring can also be arranged on the end face of the sleeve-shaped, electrically insulating element pointing in the direction of the workpiece surface.
- the second gas stream can be performed with channels, bores or grooves present on the electrically insulating element. There it causes a congestion effect, which in turn advantageously influences the desired homogenization of the second gas stream emerging from the gas distributor.
- the gas distributor can sieve-shaped, as an open-porous sintered body, as an open-porous foam body, with each other at equal intervals arranged distributed holes with a small free cross-section or in the form of a perforated plate and be connected to a feed for the second gas flow through the sleeve-shaped electrically insulating member therethrough.
- the gas distributor should be gas-tight at its outer lateral surfaces except for the feed for the second gas stream, preferably connected by means of a press connection with the electrically insulating element. In the gap between the outer surface of the electrode and the inner
- Mantle surface of the inner gas nozzle may be arranged at least one further electrically insulating element.
- the further electrically insulating element may also be sleeve-shaped. However, it should be dimensioned so that a free gap for the free passage of the first gas flow has remained.
- Mantle surface of the inner gas nozzle can also be defined locally formed an electrically insulating coating, so that the first gas stream can flow in the direction of the workpiece surface and at the same time an electrical
- Short circuit between electrode and inner gas nozzle can be avoided. It can thereby also a concentric alignment of the electrode holder and the inner gas nozzle while maintaining a constant gap of the gap between the outer surface of the electrode holder and the inner surface of the inner gas nozzle over the entire circumference are maintained, so that constant flow conditions of the first gas stream over the entire circumference are achieved can.
- An electrically insulating coating can be locally defined materially connected to surfaces of the electrode and / or the inner gas nozzle.
- a polymer can form such coatings. Electrically insulating
- Coatings may also have been formed by thermal spraying of a ceramic material.
- a plurality of further electrically insulating ones can be arranged distributed at a distance from each other over the outer circumference of the electrode Be arranged elements.
- the first gas stream can flow between the further electrically insulating elements.
- a plurality of further electrically insulating elements arranged and formed in this way can, like spacers, be arranged between the outer jacket surface of the electrode and the inner jacket surface of the internal gas nozzle and bear against the respective mutually facing lateral surfaces of the electrode and the internal gas nozzle.
- the electrically insulating element may be connected to the electrode, to an electrode tube or electrode holder fixing the electrode and / or to the electrode
- the outer and / or inner circumferential surface of the electrically insulating element can not be rotationally symmetrical, preferably polygonal, a ls
- Keyway-groove connection with a toothing or by means of a form-fitting engaging element, in particular a screw or pin are fixed against rotation.
- Serration can be positively connected to the inner circumferential surface of the electrically insulating element by pressing in a parallel direction to the longitudinal axis of the TIG burner.
- An electrode holder, an inner gas nozzle, an inner gas nozzle carrier, an outer gas nozzle or an outer gas nozzle carrier can each be formed integrally but also in each case also from a plurality of individual elements that are connected to one another.
- the electrically insulating element can be formed from a ceramic, polymeric material, a polymer or ceramic fiber composite or a composite metal-ceramic or metal-polymer.
- the areas formed of metal should be arranged so that no electrically conductive connection between the mecanicgasdüsenovic, the mecanicgasdüse and / or the electrode and the Outside gas nozzle support and / or the outer gas nozzle is present.
- suitable polymers for example, polyamide-imide, PEEK or polyimide can be used.
- the outer gas nozzle can be connected to the outer gas nozzle carrier and the inner gas nozzle can be connected to the excellentgasdüsenexcellent by means of screw.
- the already mentioned holes can flow through the gas or cooling medium can also be formed as blind holes.
- Holes can also be provided with valves, screws with gasket or closed.
- Grooves may be formed radially partially or completely circumferentially. They can be designed as annular grooves.
- the electrically insulating element may include an electrode tube (electrode holder or carrier of the electrode) and also the metallic receptacles of the outer and inner gas nozzle
- Insulate outer gas nozzle carrier and inner gas nozzle holder electrically from each other and avoid electrical short circuits and unwanted secondary arcs. It can be provided with bores, connecting bores or nozzles and circumferential grooves, so that both one or more gases (independent gas feeds, bores) are guided by the electrically insulating element and / or the circuit for a cooling medium between electrode cooling and a heat exchanger is closed. The latter may be necessary and achievable for cooling at least one of the two nozzle carriers.
- a basic burner body which, in addition to the electrically isolated recording of the electrodes and nozzle holders, can also fulfill at least one further function of a complex gas routing or cooling medium guidance (line, division, etc.), is provided with the simple electrically insulating element.
- FIG. 1 shows a sectional view through an example of a
- FIG. 2 shows a perspective sectional illustration of an example of an electrically insulating element that can be used in a TIG torch according to the invention, which is arranged on an electrode tube and between an inner gas nozzle carrier and an outer gas nozzle carrier;
- Figure 3 is a perspective view of one in the invention
- Figure 4 is a first sectional view through the example shown in Figure 3;
- FIG. 5 is a second sectional view through that shown in FIG.
- FIG. 6 is a third sectional view through that shown in FIG.
- Example; Figure 7 is a sectional view of an example of an electric
- Figure 8 is a sectional view of an example in which grooves are formed in an inner circumferential surface of a facedgasdüse
- Figure 9 is a sectional view of an example in which grooves are formed in an outer circumferential surface of an electrode holder and / or electrode tube;
- Figure 10 is a sectional view of an example in which grooves in an inner circumferential surface of a solvedgasdüse and in an outer circumferential surface of an electrode holder and / or electrode tube are formed, and 11 shows a sectional illustration of an example in which channels are formed by or in an electrically insulating element.
- FIG. 1 shows a sectional view of an example of a TIG burner according to the invention. It was dispensed with the presentation of feeds for gases, a cooling medium, a heat exchanger for cooling and other elements actually required for operation. Only the elements that are essential to the realization of the invention are shown.
- an electrode tube 10 Centrally in the longitudinal axis of the TIG burner, an electrode tube 10 is arranged, which is hollow inside for cooling. In the cavity, a cooling medium into the area where an electrode holder 5 is formed and the tungsten existing electrode tip 6 is fixed, out.
- the electrode tube 10 with an electrode holder 5 formed on its side facing in the direction of a workpiece surface to be machined side is connected to the positive pole of an electric power supply unit. He could also be connected to the negative terminal.
- the electrode tube 10 is connected by means of a polygonal connection with the electrically insulating element 1 against rotation.
- the réellegasdüsenvic 3 is also secured against rotation with the electrically insulating element 1 via a press-toothing.
- Inner gas nozzle 8 also fastened by means of screw connection. Between the area of the TIG torch pointing in the direction of the workpiece surface, an annular gap is formed between the electrode tube 10 and the inner gas nozzle 8, through which a first gas flow in the direction of the workpiece surface can flow out of the TIG torch.
- the electrically insulating member 1 is arranged in the form of a sleeve and secured against rotation, as in the general part of the description has already been explained.
- the electrically insulating element 1 can also be rigidly attached to the TIG burner or the burner housing and additionally attached to the electrode tube 10, the mecanicgasdüsenlic 3 and the outer gas nozzle carrier 2 against rotation.
- the outer gas nozzle 7 is screwed onto the outer gas nozzle carrier 2 so that an annular gap is present between the inner gas nozzle 8 and the outer gas nozzle 7, through which a second gas stream can flow in the direction of a workpiece surface to be machined.
- Electrode tube 10 are dimensioned and connected to one another such that the electrode tip 6 is arranged outside, ie in the direction of the workpiece surface, in front of the outer end faces of the inner gas nozzle 8 and the outer gas nozzle 7.
- a gas distributor 4 is provided, through which the second gas stream can be performed. Behind the gas distributor 4, an annular channel in the form of a radially encircling groove is formed on the electrically insulating element 1, in which the second gas stream can pass through further grooves and channels.
- the gas distributor 4 is formed in this example as an open-porous sintered body made of ceramic material. It is dimensioned and formed with pore sizes and porosity so that the second gas stream can escape homogeneously over the entire exit surface of the gas distributor 4 and thereby the annular gas emerging second gas stream at each point an equal axial velocity and the same
- volume flow has. Before the second gas flow enters the gas distributor, a larger pressure of this gas is present because of the dynamic pressure effect of the gas distributor 4.
- the gas distributor 4 is fixed by means of press fits on the electrically insulating element 1. As a result, a secure hold of the gas distributor 4 on the electrically insulating element 1 can be achieved and leakage currents can be avoided past the second gas streams at the gas distributor 4.
- the electrically insulating element 1 can be produced as an injection molded part or by a mechanical treatment.
- a ceramic material for a ceramic
- Material can also be a production by sintering in a suitable mold, in particular by hot isostatic pressing can be achieved.
- FIG. 2 also shows how the electrode tube 10 can be connected to the inner gas nozzle carrier 3 in a manner secure against rotation by means of polygonal and serrations.
- the outer gas nozzle carrier 2 can be fastened analogously to the inner gas nozzle carrier 3.
- FIG. 3 shows a perspective view of an electrically insulating element 1, in which two bores II for the first gas flow and 12 for the second gas flow are formed on one end face, through which the two gas flows can flow into the electrically insulating element 1.
- a third bore Ol is formed there, through which a cooling medium can flow into the electrically insulating element 1.
- the cooling medium can flow through the channel Fl for cooling the outer gas nozzle carrier 2 and the mecanicgasdüsenures 3.
- the second gas stream can, by at least one channel, not shown here, starting from the bore II into a ring channel formed in the interior of the electrically insulating element 1 in the form of an annular groove and out of this annular groove through the holes F2 in the direction of the workpiece surface to be machined flow out.
- FIG. 4 By the present in Figure 4 at one end side of an example of an electrically insulating element connection F5 for the second gas stream, which is present at the bore II and formed with the bore II in the interior of the electrically insulating member 1 channel, the second gas stream in parallel to the longitudinal axis of the TIG burner from the bore F4 flow.
- the bore F4 is formed at the other front end of the electrically insulating element 1.
- the annular groove is formed radially circumferentially on the outer circumferential surface of the electrically insulating element 1 and communicates with the gas distributor 4, not shown here, so that the second gas stream can flow through the gas distributor 4.
- the gas distributor 4 can be fitted in the annular groove formed directly on the end face of the electrically insulating element 1, which is open in the direction of the workpiece surface to be machined.
- FIG. 5 shows a gas connection F6 at the bore 12, through which the first gas flow with the channel F7 can be introduced into the outer jacket of the electrically insulating element 1.
- a further bore F8 is formed into which the bore 12 opens.
- the bore F8 extends through the entire jacket of the electrically insulating element 1, so that the second gas stream can flow to the Inngasdüse 8 through the mecanicgasdüsenvic 3 not shown here.
- an internal thread F9 is formed, which serves for fastening a locking screw (not shown).
- Sectional view has been taken at a rotated by a few degrees with respect to Figure 4 position.
- the cooling medium passes through a hole F10 in the parallel to
- FIG. 7 shows an example of an electrically insulating element 1 which, between an electrode holder 5 and the inner gas nozzle 8, is a further electrically insulating element 11, which in this example is formed from a plurality of segments arranged at a distance from one another.
- Segments lie with their inner circumferential surface on the outer lateral surface of the electrode holder 5 and with their outer lateral surfaces on the inner
- channels are formed between the segments through which the first gas flow can flow in the direction of the respective workpiece surface.
- the segments should each be formed at equal angular distances from one another, in each case aligned and / or dimensioned the same, in order to obtain uniform flow conditions over the circumference of the
- FIG. 8 shows an example of a further electrically insulating element 11.
- 8 channels in the form of longitudinal grooves 12 are formed in the inner circumferential surface of the inner gas nozzle, which are formed parallel to the longitudinal axis of the TIG burner. Through the channels 12, the first gas flow can flow in the direction of the workpiece surface.
- FIG. 9 shows an example in which channels in the form of longitudinal grooves 13 in FIG the outer circumferential surface of the electrode holder 5 are formed, through which the first gas flow can flow in the direction of the workpiece surface.
- the longitudinal grooves 13 are formed parallel to the longitudinal axis of the TIG burner.
- the example shown in FIG. 10 is intended to illustrate that
- Longitudinal grooves 14 and 15 also formed on the inner circumferential surface and / or the outer circumferential surface of the further electrically insulating member 11 and can be used to guide the first gas stream.
- the longitudinal grooves 12, 13, 14 and 15 should also each have the same geometrical design, dimensioned and arranged at equal angular distances from each other and aligned parallel to each other and possibly also parallel to the central longitudinal axis of the TIG burner.
- channels 16 for guiding the first gas flow are formed through the further electrically insulating element 11.
- the channels 16 should be the same geometrically designed, dimensioned and arranged at equal angular intervals to each other and aligned parallel to each other and possibly also parallel to the central longitudinal axis of the TIG burner.
- Burner can escape.
- Inner gas nozzle 8 and electrode holder 5 may be present. It should preferably be formed on the outer circumferential surface of the electrode holder 5.
- a further insulating element 12, 13, 14, 15 or an electrically insulating coating can also be applied to one
- Electrode tube 10 alone or in addition to the electrode holder 5 or be present.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Arc Welding In General (AREA)
- Plasma Technology (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017216440.9A DE102017216440A1 (de) | 2017-09-15 | 2017-09-15 | WIG-Brenner zum Schweißen, Löten oder Beschichten |
| PCT/EP2018/074590 WO2019053055A1 (de) | 2017-09-15 | 2018-09-12 | WIG-BRENNER ZUM SCHWEIßEN, LÖTEN ODER BESCHICHTEN |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3681664A1 true EP3681664A1 (de) | 2020-07-22 |
Family
ID=63965622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18792853.6A Pending EP3681664A1 (de) | 2017-09-15 | 2018-09-12 | WIG-BRENNER ZUM SCHWEIßEN, LÖTEN ODER BESCHICHTEN |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20200215638A1 (de) |
| EP (1) | EP3681664A1 (de) |
| CN (1) | CN111432969B (de) |
| DE (1) | DE102017216440A1 (de) |
| WO (1) | WO2019053055A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019100581A1 (de) * | 2019-01-11 | 2020-07-16 | Alexander Binzel Schweisstechnik Gmbh & Co. Kg | Gasdüse zum Ausströmen eines Schutzgasstromes und Brennerhals mit einer Gasdüse |
| DE102020132821B4 (de) * | 2020-12-09 | 2023-03-16 | Alexander Binzel Schweisstechnik Gmbh & Co. Kg | Brennerhals zum thermischen Fügen wenigstens eines Werkstücks, Brenner mit Brennerhals und Schweißvorrichtung |
| CN112548307A (zh) * | 2020-12-15 | 2021-03-26 | 上海骄成机电设备有限公司 | 一种保护气吹气机构及焊接装置 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD34381A (de) * | ||||
| FR2258078B1 (de) * | 1974-01-18 | 1978-04-21 | Thermal Dynamics Corp | |
| CH593754A5 (de) * | 1976-01-15 | 1977-12-15 | Castolin Sa | |
| DE4030541C2 (de) * | 1990-09-27 | 1997-10-02 | Dilthey Ulrich Prof Dr Ing | Brenner zur Beschichtung von Grundwerkstoffen mit pulverförmigen Zusatzwerkstoffen |
| JPH10225771A (ja) * | 1997-02-13 | 1998-08-25 | Toyota Motor Corp | 溶接トーチのシールド構造 |
| FR2877597B1 (fr) * | 2004-11-09 | 2008-04-25 | Safmatic Sa | Torche de soudage a l'arc de type double flux adaptee au soudage de tubes |
| US8552341B2 (en) * | 2005-09-19 | 2013-10-08 | Lincoln Global, Inc. | Torch for arc welding gun |
| JP2008200750A (ja) * | 2007-01-26 | 2008-09-04 | Kobe Steel Ltd | 片面アークスポット溶接方法 |
| JP5589222B2 (ja) * | 2009-11-04 | 2014-09-17 | 株式会社安川電機 | 非消耗電極式アーク溶接装置 |
| FR2966757B1 (fr) * | 2010-11-02 | 2013-07-26 | Orbital | Torche de soudage induisant un soudage par fusion de matiere |
| US8546719B2 (en) * | 2010-12-13 | 2013-10-01 | The Esab Group, Inc. | Method and plasma arc torch system for marking and cutting workpieces with the same set of consumables |
| JP2012130933A (ja) * | 2010-12-21 | 2012-07-12 | Nippon Steel & Sumikin Welding Co Ltd | Tig溶接装置 |
| WO2012111695A1 (ja) * | 2011-02-15 | 2012-08-23 | 大陽日酸株式会社 | 溶接用トーチ及びアダプタキット |
| DE102011107536B4 (de) * | 2011-03-17 | 2017-05-04 | J-Plasma Gmbh | Brenner, insbesondere induktiv gekoppelter Plasmabrenner vorzugsweise zur Herstellung von Halbzeug für biegeunempfindliche Glasfasern |
| JP3169241U (ja) * | 2011-05-11 | 2011-07-21 | 株式会社神戸製鋼所 | 溶接用トーチ |
| JP5602974B2 (ja) * | 2012-04-18 | 2014-10-08 | 彰久 村田 | 狭窄ノズル及びこれを用いたtig溶接用トーチ |
| US20160144446A1 (en) * | 2014-11-20 | 2016-05-26 | Illinois Tool Works Inc. | Contact tip and receiving assembly of a welding torch |
-
2017
- 2017-09-15 DE DE102017216440.9A patent/DE102017216440A1/de active Pending
-
2018
- 2018-09-12 US US16/647,650 patent/US20200215638A1/en not_active Abandoned
- 2018-09-12 CN CN201880074132.5A patent/CN111432969B/zh active Active
- 2018-09-12 EP EP18792853.6A patent/EP3681664A1/de active Pending
- 2018-09-12 WO PCT/EP2018/074590 patent/WO2019053055A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN111432969B (zh) | 2022-04-22 |
| CN111432969A (zh) | 2020-07-17 |
| WO2019053055A1 (de) | 2019-03-21 |
| DE102017216440A1 (de) | 2019-03-21 |
| US20200215638A1 (en) | 2020-07-09 |
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