EP3054749A1 - Buse pour torche a arc plasma - Google Patents

Buse pour torche a arc plasma Download PDF

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Publication number
EP3054749A1
EP3054749A1 EP15159816.6A EP15159816A EP3054749A1 EP 3054749 A1 EP3054749 A1 EP 3054749A1 EP 15159816 A EP15159816 A EP 15159816A EP 3054749 A1 EP3054749 A1 EP 3054749A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
outer diameter
section
groove
rear end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15159816.6A
Other languages
German (de)
English (en)
Other versions
EP3054749B1 (fr
Inventor
Frank Laurisch
Volker Krink
Timo Grundke
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.)
Kjellberg Stiftung
Original Assignee
Kjellberg Stiftung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to PL15159816T priority Critical patent/PL3054749T3/pl
Application filed by Kjellberg Stiftung filed Critical Kjellberg Stiftung
Priority to HRP20211108TT priority patent/HRP20211108T8/hr
Priority to SI201531661T priority patent/SI3054749T1/sl
Priority to KR1020177024734A priority patent/KR102528323B1/ko
Priority to CA2975533A priority patent/CA2975533A1/fr
Priority to MX2017010081A priority patent/MX2017010081A/es
Priority to US15/548,434 priority patent/US10582606B2/en
Priority to BR112017016526-0A priority patent/BR112017016526B1/pt
Priority to CA3194415A priority patent/CA3194415A1/fr
Priority to JP2017541023A priority patent/JP6727731B2/ja
Priority to CN201680019083.6A priority patent/CN107750475B/zh
Priority to PCT/EP2016/051689 priority patent/WO2016124463A1/fr
Priority to RU2017130947A priority patent/RU2707499C2/ru
Publication of EP3054749A1 publication Critical patent/EP3054749A1/fr
Application granted granted Critical
Publication of EP3054749B1 publication Critical patent/EP3054749B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3478—Geometrical details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/28—Cooling arrangements

Definitions

  • the present invention relates to nozzles for a liquid-cooled plasma arc torch head, an assembly of a nozzle holder and nozzle for a liquid-cooled plasma arc torch head, a plasma arc torch head, and a plasma arc torch with the same.
  • a nozzle for a liquid-cooled plasma arc torch which has a body having an axial overall length, an inner surface and an outer surface, a front and a rear end and a nozzle opening at the front end.
  • the known nozzle has from the rear (from the rear end) first a receiving portion for receiving the same in a nozzle holder and then a groove in which a circular ring can be arranged or arranged on.
  • this may have the disadvantage that, when the nozzle is installed in a plasma burner head, the space for the cooling liquid, in particular cooling water, towards the nozzle holder and thus the contact area between the cooling liquid and the nozzle is limited to the rear.
  • nozzles in which a groove with an arranged therein or arranged round ring is located directly at the rear end thereof. This in turn has the Disadvantage that the round ring when inserting into a nozzle holder for inserting the nozzle can be damaged in the nozzle holder, for example, if in the nozzle holder, for example, elements such as projections, as shown in the DE 10 2007 005 316 B4 is described, for defined guidance of the nozzle are present.
  • the present invention is therefore based on the object to design the known nozzle such that damage to the circular ring when inserting a nozzle is avoided in a nozzle holder, but at least reduced and at the same time a larger area that can come into contact with coolant, is provided ,
  • a nozzle for a liquid-cooled plasma arc torch head comprising a body having an axial total length L, an inner surface and an outer surface, a front and a rear end and a nozzle opening at the front end, wherein the outer surface of the body , starting from the rear end, a substantially cylindrical first portion having an axial length L1, in which at the rear end of the body has a preferably circumferentially extending groove for or with a circular ring disposed therein, to the rear end of the body is limited a projection which defines an outer diameter D11 of the body, and located at the front end a centering surface for a nozzle holder which defines an outer diameter D12 of the body, and an adjoining the front end second portion with an axial Length L2, which has an axial abutment surface for a nozzle holder at the boundary to the first portion, which defines an outer diameter D21 of the body, and tapers substantially conically, at least in a portion to
  • a conically or conically tapering section is intended to mean in particular a section in which, when connecting the rearmost point (edge) of the section to the foremost point (edge) of the section, the line parallel to the longitudinal axis of the nozzle or with a minimum Deviation of more than ⁇ 15 °.
  • a nozzle for a liquid-cooled plasma arc torch comprising a body having an overall axial length L, an inner surface and an outer surface, a front and a rear end and a nozzle opening at the front end, wherein the outer surface of the body, starting from the rear end, a substantially cylindrical first portion having an axial length L1, in which at the rear end of the body has a preferably circumferentially extending groove for or with a circular ring disposed therein, to the rear end of the body by a Is limited projection defining an outer diameter D11 of the body, and located at the front end a centering surface for a nozzle holder which defines an outer diameter D12 of the body, and having a subsequent thereto to the front end second portion with an axial length L2, which has an axial abutment surface for a nozzle holder at the boundary to the first section, which defines an outer diameter D21 of the body, and tapers substantially conically, at least in a section to the front end
  • this object is achieved by an arrangement of a nozzle holder and a nozzle according to one of claims 1 to 16.
  • liquid-cooled plasma arc burner head comprising a nozzle according to one of claims 1 to 16 or an arrangement according to one of claims 17 to 19.
  • the nozzles may be provided that the outer diameter D12 is the largest outer diameter of the first portion.
  • the outer diameter D21 is the largest outer diameter of the second section.
  • the largest outer diameter of the first portion is smaller than the largest outer diameter of the second portion.
  • the at least one further groove has a cross-sectional area of at least 3 mm 2 .
  • cross-sectional area is intended to mean the area perpendicular to the longitudinal extent of the groove.
  • the further groove advantageously extends in the circumferential direction of the body.
  • the further groove extends in the circumferential direction of the body over an angle in the range of about 20 ° to about 360 °.
  • the further groove is limited towards the front end of the body by a circumferentially extending body of the front projection whose outer surface is formed by the centering surface, and / or the further groove 2.11 toward the rear end of the body by is formed in the circumferential direction of the body extending rear projection is limited.
  • the front projection defines an outer diameter or a local largest outer diameter of the body and the rear projection defines an outer diameter or a local largest outer diameter, wherein the outer diameter or local largest outer diameter of the front and rear projections are equal to or differ by a maximum of about 0.2mm from each other.
  • At least one groove and / or bore and / or recess and / or other aperture and / or channel is / are in fluid communication with the first portion of the outer surface in the second portion of the outer surface is / are.
  • Advantageously located / located in the second portion of the outer surface at least one groove and / or bore and / or recess and / or other opening and / or a channel located / / which is in fluid communication with the further groove in the first portion of the outer surface /stand.
  • the receiving region has at least one radial projection and / or at least one radial depression.
  • the radial projections and / or Recesses can extend over only a limited angle in the circumferential direction and / or be arranged equidistantly.
  • the nozzle holder has on its connecting side a cylinder wall with an end face abutting against the axial abutment surface of the nozzle and with an inner surface which abuts against the centering surface of the nozzle, preferably with little or no play.
  • the nozzle holder on the inner surface of the cylinder wall on a receiving region of the nozzle complementary receiving area.
  • the present invention provides both a liquid-cooled plasma arc torch head and a liquid-cooled plasma arc torch, each comprising a nozzle according to any one of claims 1 to 16 or an arrangement according to any one of claims 17 to 19.
  • the invention is based on the surprising finding that the special design of the outer surface of the nozzle, the groove with the round ring can be arranged as far as possible at the rear end of the nozzle without the round ring is damaged, and at the same time a larger area, the can come into contact with the cooling liquid is provided. In addition, the centering of the nozzle in the nozzle holder is further improved.
  • a first portion of the body of the nozzle allows a good cooling of the transition point between a nozzle holder and the nozzle and a good centering of the nozzle in the nozzle holder.
  • Good cooling of the interface is necessary when igniting the pilot arc that burns between the electrode and the nozzle of a plasma arc torch. It is also necessary if the plasma arc burner is operated indirectly. In the latter case, the plasma arc often burns with high electric power or several kW between the electrode and the nozzle. Currents above 100 A can flow.
  • FIGS. 4 to 6 show details of the arrangement of the nozzle and a nozzle holder.
  • the nozzle for a liquid-cooled plasma arc torch shown comprises a body 2 with an overall axial length L, ie along the longitudinal axis M1, an inner surface 2.20 and an outer surface 2.22, a front end 2.24 and a rear end 2.26 and a nozzle opening 2.28 at the front end 2.24.
  • the body 2 has a groove 2.38 at its front end 2.24. In the groove 2.38, when the nozzle is installed in the plasma arc burner, there is a round ring 2.40 (see FIG. 4 and 5 ) for sealing the space between nozzle and nozzle cap 3 (see FIG. 4 and 5 ).
  • the outer surface 2.22 of the body 2 has, starting from the rear end 2.26, a substantially cylindrical first section 2.1 with an axial length L1, in which at the rear end of the body 2 2.26 of a circumferentially extending groove 2.10 for a circular ring (not shown) delimited to the rear end 2.26 of the body 2 by a projection 2.30 defining an outer diameter D1 of the body 2, and at the front end 2.24 is a centering surface A11 for a nozzle holder (not shown) which defines an outer diameter D12 of the body 2.
  • the outer surface has a second section 2.2 with an axial length L2 adjoining the first section 2.1 towards the front end 2.24 and having an axial stop face B 11 for a nozzle holder (not shown) at the boundary to the first section 2.1, which defines an outer diameter D21 of the body 2, and tapers substantially conically at least in a partial section towards the front end 2.24 of the body.
  • the first section 2.1 of the outer surface 2.22 thus has between the boundary between the first section 2.1 and the second section 2.2 and the groove 2.10 a particular large outer surface A13, which, when the nozzle is installed in a plasma arc burner head (not shown) with a Coolant can come into contact, whereby the cooling is improved.
  • the outer diameter D12 is the largest outer diameter of the first section 2.1 and the outer diameter D21 is the largest outer diameter of the second section 2.2, wherein the largest outer diameter D 12 of the first section 2.1 is smaller than the largest outer diameter D21 of the second section 2.2 ,
  • the outer diameter of the body 2 in FIG. 1 on the left (D11) and on the right (D12a) of the groove 2.10, ie D11 D12a.
  • a channel B 13 is in fluid communication with the first section 2.1 of the outer surface 2.22.
  • the channel B13 may also extend at least partially in the first section 2.1.
  • FIG. 2 shows a nozzle for a liquid-cooled plasma arc burner head (not shown), a body 2 with an axial total length L, an inner surface 2.20 and an outer surface 2.22, a front end 2.24 and a rear end 2.26 and a nozzle opening 2.28 at the front end 2.24 includes.
  • the body 2 has a groove 2.38 at its front end 2.24. In the groove 2.38, when the nozzle is installed in the plasma arc burner, there is a round ring 2.40 (see FIG. 4 and 5 ) for sealing the space between nozzle and nozzle cap 3 (see FIG. 4 and 5 ).
  • the outer surface 2.22 of the body 2 has, starting from the rear end 2.26, a substantially cylindrical first section 2.1 with an axial length L1, in which at the rear end of the body 2 2.26 of a circumferentially extending groove 2.10 for a circular ring (not shown) which is bounded to the rear end 2.26 of the body by a projection 2.30 defining an outer diameter D11 of the body 2, and at the front end 2.24 a centering surface A11 for a nozzle holder (not shown) having an outer diameter D12 of the body Are defined.
  • the outer surface 2.22 has a second section 2.2, which adjoins the front end 2.24, and has an axial length L2 which defines an axial stop surface B 11 for a nozzle holder at the boundary to the first section 2.1, which defines an outer diameter D21 of the body 2 , and at least in a partial section tapers substantially conically towards the front end 2.24 of the body 2.
  • the same values and ratios apply with respect to those in the FIG. 1 shown nozzle.
  • the outer surface 2.22 of the first section 2.1 there is another groove 2.11. This preferably has a cross-sectional area of at least 3 mm 2 . In addition, it extends advantageously in the circumferential direction of the body 2.
  • the further groove 2.11 is in the direction of the front end of 2.24 of the body 2 by a circumferentially extending body 2 of the front projection 2.34, whose outer surface is formed by the centering surface A11, limited and Direction of the rear end of the body 2 2.26 limited by a running in the circumferential direction of the body 2 rear projection 2.36, whose outer surface is formed by the surface or centering surface A12.
  • the same values apply to the nozzle shown as for L12 / L13, L12 / L1 and D12 / L1.
  • the front projection 2.34 defines a local largest outer diameter D12 of the body 2 and the rear projection 2.36 defines one local largest outer diameter D12.
  • the local largest outer diameters of the front and rear protrusions 2.34 and 2.36 are the same.
  • the local largest outer diameters of the front and rear projections need not be the same size.
  • the rear projection 2.36 should not be larger than the front projection 2.34.
  • the second section 2.2 has a groove B 12 which is in fluid communication with the further groove 2.11.
  • the groove B 12 may also extend at least partially in the first section 2.1.
  • FIG. 3 shows a nozzle for a liquid-cooled plasma arc torch with a body 2 having an axial total length L, that is along the longitudinal axis M1, an inner surface 2.20 and an outer surface 2.22, a front end 2.24 and a rear end 2.26 and a nozzle opening 2.28 at the front end 2.24 having.
  • the outer surface 2.22 of the body 2 has, starting from the rear end 2.26, a first section 2.1 having the same features as the first section 2.1 of FIG FIG. 2 shown nozzle and a to the first section 2.1 to the front end 2.24 out directly adjacent second section 2.2 with an axial length L2.
  • the second section 2.2, in particular the front end 2.24 is designed differently by way of example.
  • the body 2 has at the front end 2.24 in contrast to the body of FIG. 2 no groove 2.38.
  • the nozzle built into a plasma arc burner head FIG. 3 is in FIG. 6 shown.
  • another inner contour of the nozzle or the body is shown by way of example. This nozzle can be used, for example, for indirect operation.
  • FIG. 4 shows a liquid-cooled plasma arc burner head with the nozzle of FIG. 1 ,
  • the body 2 of the nozzle is fixed in a nozzle holder 7 and is replaced by a Nozzle cap 3 fixed.
  • an electrode 1 is arranged in the inner cavity of the body 2.
  • the plasma arc burner head further has a nozzle cap 5 which is held by a nozzle cap holder 8.
  • a secondary gas guide 6 is arranged for secondary gas SG.
  • the secondary gas SG flows through openings (not shown) of the secondary gas guide 6, then through the space between the nozzle cap 3 and nozzle cap 5 and ultimately from the front opening 5.1 of the nozzle cap 5.
  • the nozzle and nozzle cap 3 from a part consist.
  • plasma arc burner heads which are operated without secondary gas. These then usually have no nozzle cap, No Düsenschutzkappenhalterung and no secondary gas guide.
  • the cooling liquid flows through the nozzle holder 7 via the coolant flow WV, flows through the space 10 between nozzle holder 7 and nozzle, then flows through the channels B 13 of the nozzle into the space between nozzle and nozzle cap 3 before flowing back through the coolant return WR.
  • the first section 2.1 of the body 2 is inserted into the nozzle holder 7.
  • an axial abutment surface B11 of the body 2 strikes an axial abutment surface B71 of the nozzle holder 7.
  • the centering surface A11 of the body 2 and the centering surface A71 of the nozzle holder 7 determine the centering of the nozzle or the body 2 in the nozzle holder 7.
  • FIG. 5 shows a liquid-cooled plasma arc burner head with the nozzle of FIG. 2 ,
  • the body 2 of the nozzle is fixed in a nozzle holder 7 and is fixed by a nozzle cap 3.
  • an electrode 1 is arranged in the inner cavity of the body 2.
  • a plasma gas guide 4 for plasma gas PG which flows through the plasma gas guide 4, then through the space between the electrode 1 and the nozzle and finally from the nozzle opening 2.28.
  • the plasma arc burner head further has a nozzle cap 5 which is held by a nozzle cap holder 8. Between the nozzle cap 3 and the nozzle cap 5, a secondary gas guide 6 is arranged for secondary gas SG.
  • the secondary gas SG flows through openings (not shown) of the secondary gas guide 6, then through the space between the nozzle cap 3 and nozzle cap 5 and ultimately from the front opening 5.1 of the nozzle cap 5.
  • the nozzle and nozzle cap 3 from a part consist.
  • plasma arc burner heads which are operated without secondary gas. These then usually have no nozzle cap, No Düsenschutzkappenhalterung and no secondary gas guide.
  • the cooling liquid flows through the cooling liquid flow WV through the nozzle holder 7, flows through the space 10 between the nozzle holder 7 and nozzle, through the groove 2.11 and the Centering A71 is formed, then flows through the groove B 12 of the nozzle or the body 2, which is in fluid communication with the groove 2.11 in the space between the nozzle 2 and nozzle cap 3 before it flows back through the coolant return WR.
  • the centering is in the arrangements according to Figures 5 and 6 even better than in FIG. 4 in that the centering of the nozzle takes place via the surfaces A11 and A12 with the surface A71 of the nozzle holder 7.
  • the thus formed contact surface between the nozzle or body 2 and the nozzle holder 7 is larger, which additionally also the heat transfer and power transfer between the nozzle and nozzle holder 7.
  • no damage to the round ring 2.42 in the groove 2.10 see FIG. 3 ).

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Geometry (AREA)
  • Plasma Technology (AREA)
  • Arc Welding In General (AREA)
  • Nozzles (AREA)
EP15159816.6A 2015-02-03 2015-03-19 Buse pour torche à arc plasma Active EP3054749B1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
HRP20211108TT HRP20211108T8 (hr) 2015-02-03 2015-03-19 Mlaznica za plamenik s lukom plazme
SI201531661T SI3054749T1 (sl) 2015-02-03 2015-03-19 Šoba za plazemski obločni gorilnik
PL15159816T PL3054749T3 (pl) 2015-02-03 2015-03-19 Dysza do plazmowego palnika łukowego
BR112017016526-0A BR112017016526B1 (pt) 2015-02-03 2016-01-27 Bico para uma tocha de arco voltaico a plasma arrefecida por líquido, disposição de um suporte para bico e um bico, cabeça de tocha de arco voltaico a plasma arrefecida por líquido e tocha de arco voltaico a plasma arrefecida por líquido
MX2017010081A MX2017010081A (es) 2015-02-03 2016-01-27 Tobera para soplete de arco electrico de plasma.
US15/548,434 US10582606B2 (en) 2015-02-03 2016-01-27 Nozzle for a plasma arc torch
KR1020177024734A KR102528323B1 (ko) 2015-02-03 2016-01-27 플라즈마 아크 토치용 노즐
CA3194415A CA3194415A1 (fr) 2015-02-03 2016-01-27 Buse pour chalumeau a arc a plasma
JP2017541023A JP6727731B2 (ja) 2015-02-03 2016-01-27 プラズマアークトーチのためのノズル
CN201680019083.6A CN107750475B (zh) 2015-02-03 2016-01-27 用于等离子电弧燃烧器的喷嘴
PCT/EP2016/051689 WO2016124463A1 (fr) 2015-02-03 2016-01-27 Buse pour chalumeau à arc à plasma
RU2017130947A RU2707499C2 (ru) 2015-02-03 2016-01-27 Сопло для плазменно-дуговой горелки
CA2975533A CA2975533A1 (fr) 2015-02-03 2016-01-27 Buse pour chalumeau a arc a plasma

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015101532.3A DE102015101532A1 (de) 2015-02-03 2015-02-03 Düse für Plasmalichtbogenbrenner

Publications (2)

Publication Number Publication Date
EP3054749A1 true EP3054749A1 (fr) 2016-08-10
EP3054749B1 EP3054749B1 (fr) 2021-04-21

Family

ID=52686241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15159816.6A Active EP3054749B1 (fr) 2015-02-03 2015-03-19 Buse pour torche à arc plasma

Country Status (18)

Country Link
US (1) US10582606B2 (fr)
EP (1) EP3054749B1 (fr)
JP (1) JP6727731B2 (fr)
KR (1) KR102528323B1 (fr)
CN (1) CN107750475B (fr)
BR (1) BR112017016526B1 (fr)
CA (2) CA2975533A1 (fr)
DE (1) DE102015101532A1 (fr)
DK (1) DK3054749T3 (fr)
ES (1) ES2874902T3 (fr)
HR (1) HRP20211108T8 (fr)
HU (1) HUE055588T2 (fr)
MX (1) MX2017010081A (fr)
PL (1) PL3054749T3 (fr)
PT (1) PT3054749T (fr)
RU (1) RU2707499C2 (fr)
SI (1) SI3054749T1 (fr)
WO (1) WO2016124463A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ308964B6 (cs) * 2018-09-30 2021-10-20 B&Bartoni, spol. s r.o. Sestava trysky s adaptérem pro použití v kapalinou chlazeném dvouplynovém plazmovém hořáku

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008018530A1 (de) * 2008-04-08 2009-10-15 Kjellberg Finsterwalde Plasma Und Maschinen Gmbh Düse für einen flüssigkeitsgekühlten Plasmabrenner, Anordnung aus derselben und einer Düsenkappe sowie flüssigkeitsgekühlter Plasmabrenner mit einer derartigen Anordnung
DE102007005316B4 (de) 2006-08-16 2009-12-03 Kjellberg Finsterwalde Plasma Und Maschinen Gmbh Verbindung zwischen einem Plasmabrennerverschleißteil und einer Plasmabrennerverschleißteilhalterung, Plasmabrennerverschleißteil und Plasmabrennerverschleißteilhalterung
EP2175702A1 (fr) * 2008-10-09 2010-04-14 Kjellberg Finsterwalde Plasma und Maschinen GmbH Buse pour une torche à plasma refroidie par liquide, coiffe de tuyère pour une torche à plasma et tête de torche à plasma dotée de celle-ci
DE102009060849A1 (de) * 2009-12-30 2011-07-07 Kjellberg Finsterwalde Plasma und Maschinen GmbH, 03238 Düse für einen flüssigkeitsgekühlten Plasmabrenner sowie Plasmabrennerkopf mit derselben

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19727726A1 (de) * 1996-07-23 1998-01-29 Cebora Spa Plasmabrenner
US5893985A (en) * 1997-03-14 1999-04-13 The Lincoln Electric Company Plasma arc torch
US6946617B2 (en) * 2003-04-11 2005-09-20 Hypertherm, Inc. Method and apparatus for alignment of components of a plasma arc torch
JP2005118816A (ja) * 2003-10-16 2005-05-12 Koike Sanso Kogyo Co Ltd プラズマトーチ用のノズル
US7829816B2 (en) * 2005-04-19 2010-11-09 Hypertherm, Inc. Plasma arc torch providing angular shield flow injection
KR20080005946A (ko) * 2005-05-11 2008-01-15 하이퍼썸, 인크. 플라즈마 아크 토치 애플리케이션에서의 개별 가스 젯의생성
US8101882B2 (en) * 2005-09-07 2012-01-24 Hypertherm, Inc. Plasma torch electrode with improved insert configurations
US8212173B2 (en) * 2008-03-12 2012-07-03 Hypertherm, Inc. Liquid cooled shield for improved piercing performance
HUE026032T2 (en) * 2009-07-03 2016-05-30 Kjellberg Finsterwalde Plasma & Maschinen Gmbh Nozzle for liquid chilled plasma burner and plasma nozzle with nozzle
US9737954B2 (en) * 2012-04-04 2017-08-22 Hypertherm, Inc. Automatically sensing consumable components in thermal processing systems
CN102744507A (zh) * 2012-08-13 2012-10-24 常州机电职业技术学院 一种等离子割炬喷嘴
CN203316895U (zh) * 2013-05-09 2013-12-04 上海瑞能焊割有限公司 等离子切割喷嘴
CN203254079U (zh) * 2013-05-09 2013-10-30 上海瑞能焊割有限公司 等离子切割屏蔽罩

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007005316B4 (de) 2006-08-16 2009-12-03 Kjellberg Finsterwalde Plasma Und Maschinen Gmbh Verbindung zwischen einem Plasmabrennerverschleißteil und einer Plasmabrennerverschleißteilhalterung, Plasmabrennerverschleißteil und Plasmabrennerverschleißteilhalterung
DE102008018530A1 (de) * 2008-04-08 2009-10-15 Kjellberg Finsterwalde Plasma Und Maschinen Gmbh Düse für einen flüssigkeitsgekühlten Plasmabrenner, Anordnung aus derselben und einer Düsenkappe sowie flüssigkeitsgekühlter Plasmabrenner mit einer derartigen Anordnung
EP2175702A1 (fr) * 2008-10-09 2010-04-14 Kjellberg Finsterwalde Plasma und Maschinen GmbH Buse pour une torche à plasma refroidie par liquide, coiffe de tuyère pour une torche à plasma et tête de torche à plasma dotée de celle-ci
DE102009006132B4 (de) 2008-10-09 2010-12-16 Kjellberg Finsterwalde Plasma Und Maschinen Gmbh Düse für einen flüssigkeitsgekühlten Plasmabrenner, Düsenkappe für einen flüssigkeitsgekühlten Plasmabrenner sowie Plasmabrennerkopf mit derselben/denselben
DE102009060849A1 (de) * 2009-12-30 2011-07-07 Kjellberg Finsterwalde Plasma und Maschinen GmbH, 03238 Düse für einen flüssigkeitsgekühlten Plasmabrenner sowie Plasmabrennerkopf mit derselben

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PL3054749T3 (pl) 2021-10-25
HRP20211108T8 (hr) 2022-01-07
CA3194415A1 (fr) 2016-08-11
RU2017130947A3 (fr) 2019-06-21
ES2874902T3 (es) 2021-11-05
KR102528323B1 (ko) 2023-05-03
CA2975533A1 (fr) 2016-08-11
WO2016124463A1 (fr) 2016-08-11
RU2017130947A (ru) 2019-03-04
US20180020533A1 (en) 2018-01-18
EP3054749B1 (fr) 2021-04-21
CN107750475B (zh) 2020-12-11
DK3054749T3 (da) 2021-06-28
JP6727731B2 (ja) 2020-07-22
HRP20211108T1 (hr) 2021-10-15
BR112017016526A2 (pt) 2018-04-10
RU2707499C2 (ru) 2019-11-27
DE102015101532A1 (de) 2016-08-04
HUE055588T2 (hu) 2021-12-28
JP2018508949A (ja) 2018-03-29
MX2017010081A (es) 2018-03-07
KR20170134347A (ko) 2017-12-06
US10582606B2 (en) 2020-03-03
SI3054749T1 (sl) 2021-12-31
BR112017016526B1 (pt) 2023-11-14
CN107750475A (zh) 2018-03-02

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