EP2364070A3 - Electrode with cooling pipe for a plasma cutting device - Google Patents

Electrode with cooling pipe for a plasma cutting device Download PDF

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Publication number
EP2364070A3
EP2364070A3 EP10015592.8A EP10015592A EP2364070A3 EP 2364070 A3 EP2364070 A3 EP 2364070A3 EP 10015592 A EP10015592 A EP 10015592A EP 2364070 A3 EP2364070 A3 EP 2364070A3
Authority
EP
European Patent Office
Prior art keywords
electrode
electrode body
cooling tube
cutting device
cooling pipe
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
EP10015592.8A
Other languages
German (de)
French (fr)
Other versions
EP2364070B1 (en
EP2364070A2 (en
Inventor
Manfred Hollberg
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.)
HOLLBERG, MANFRED
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP2364070A2 publication Critical patent/EP2364070A2/en
Publication of EP2364070A3 publication Critical patent/EP2364070A3/en
Application granted granted Critical
Publication of EP2364070B1 publication Critical patent/EP2364070B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H05H1/3436—Hollow cathodes with internal coolant flow

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Arc Welding In General (AREA)
  • Plasma Technology (AREA)

Abstract

Plasmaelektrode für eine Schneidvorrichtung, welche aus einem Elektrodenkörper mit einer axialen, zentrischen Aufnahme für einen stirnseitig dort abgeordneten Elektrodenkern besteht, wobei im Innenraum des Elektrodenkörpers ein radial innen liegender Flüssigkeitskanal durch ein austauschbares Kühlrohr gebildet ist, durch welchen ein Kühlflüssigkeitsstrom in axialer Richtung fließt, wobei das Kühlrohr durch einen oder mehreren Anschläge am Elektrodenkörper positioniert ist und dessen vordere, dem Elektrodenkern nächstliegende Stirnseite in eine ringförmigen Ausnehmung des Elektrodenkörpers eingreift, in welcher der Kühlflüssigkeitsstrom in Pfeilrichtung umgelenkt ist, wobei auf der Innenseite des Elektrodenkörpers mindestens ein radial oder axial gerichteter Anschlag für das Kühlrohr angeordnet ist, der mit der vorderen Stirnfläche des Kühlrohrs zusammenwirkt.

Figure imgaf001
Plasma electrode for a cutting device, which consists of an electrode body with an axial, central receptacle for a frontally depressed there electrode core, wherein in the interior of the electrode body, a radially inner liquid channel is formed by an exchangeable cooling tube through which a flow of cooling liquid flows in the axial direction, wherein the cooling tube is positioned by one or more stops on the electrode body and whose front, the electrode core nearest end engages in an annular recess of the electrode body, in which the cooling liquid flow is deflected in the arrow direction, wherein on the inside of the electrode body at least one radially or axially directed stop for the cooling tube is arranged, which cooperates with the front end face of the cooling tube.
Figure imgaf001
EP10015592.8A 2009-12-18 2010-12-14 Electrode with cooling pipe for a plasma cutting device Not-in-force EP2364070B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009059108A DE102009059108A1 (en) 2009-12-18 2009-12-18 Electrode with cooling tube for a plasma cutting device

Publications (3)

Publication Number Publication Date
EP2364070A2 EP2364070A2 (en) 2011-09-07
EP2364070A3 true EP2364070A3 (en) 2013-10-23
EP2364070B1 EP2364070B1 (en) 2016-04-20

Family

ID=43754970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10015592.8A Not-in-force EP2364070B1 (en) 2009-12-18 2010-12-14 Electrode with cooling pipe for a plasma cutting device

Country Status (2)

Country Link
EP (1) EP2364070B1 (en)
DE (1) DE102009059108A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010006786A1 (en) 2010-02-04 2011-08-04 Holma Ag Nozzle for a liquid-cooled plasma cutting torch
US9114475B2 (en) 2012-03-15 2015-08-25 Holma Ag Plasma electrode for a plasma cutting device
EP2640167B1 (en) * 2012-03-15 2018-02-14 Manfred Hollberg Plasma electrode for a plasma cutting device
DE102015001455A1 (en) 2014-07-15 2016-01-21 Linde Aktiengesellschaft Electrode for a welding torch for tungsten arc welding and welding torch with such electrode
CN109862682A (en) * 2019-03-28 2019-06-07 成都金创立科技有限责任公司 Plasma generator water-cooled cathode head
CZ202054A3 (en) * 2020-02-05 2021-03-03 B&Bartoni, spol. s r.o. Electrode set for plasma arc torch with improved electric current transfer
CN116115794A (en) * 2022-12-08 2023-05-16 珠海格力电器股份有限公司 Sterilizing water generating device and cleaning equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416296A (en) * 1994-03-11 1995-05-16 American Torch Tip Company Electrode for plasma arc torch
US20060261046A1 (en) * 2005-05-17 2006-11-23 Nigel Scotchmer Welding electrode and method
EP2082622A1 (en) * 2007-11-27 2009-07-29 Hypertherm, INC. Method and apparatus for alignment of components of a plasma arc torch

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8904858D0 (en) * 1989-03-03 1989-04-12 Tetronics Research & Dev Co Li Improvements in or relating to plasma arc torches
US5097111A (en) * 1990-01-17 1992-03-17 Esab Welding Products, Inc. Electrode for plasma arc torch and method of fabricating same
US6215090B1 (en) * 1998-03-06 2001-04-10 The Esab Group, Inc. Plasma arc torch
US6156995A (en) * 1998-12-02 2000-12-05 The Esab Group, Inc. Water-injection nozzle assembly with insulated front end
ITRM20010291A1 (en) * 2001-05-29 2002-11-29 Ct Sviluppo Materiali Spa PLASMA TORCH
US6946617B2 (en) * 2003-04-11 2005-09-20 Hypertherm, Inc. Method and apparatus for alignment of components of a plasma arc torch
US7081597B2 (en) * 2004-09-03 2006-07-25 The Esab Group, Inc. Electrode and electrode holder with threaded connection
US7256366B2 (en) * 2005-12-21 2007-08-14 The Esab Group, Inc. Plasma arc torch, and methods of assembling and disassembling a plasma arc torch
FR2910224A1 (en) * 2006-12-13 2008-06-20 Air Liquide PLASMA CUTTING TORCH WITH ADAPTIVE PLUNGER TUBE COOLING CIRCUIT

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416296A (en) * 1994-03-11 1995-05-16 American Torch Tip Company Electrode for plasma arc torch
US20060261046A1 (en) * 2005-05-17 2006-11-23 Nigel Scotchmer Welding electrode and method
EP2082622A1 (en) * 2007-11-27 2009-07-29 Hypertherm, INC. Method and apparatus for alignment of components of a plasma arc torch

Also Published As

Publication number Publication date
EP2364070B1 (en) 2016-04-20
EP2364070A2 (en) 2011-09-07
DE102009059108A1 (en) 2011-06-22

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