DE602007007515D1 - PLASMA TORCH - Google Patents

PLASMA TORCH

Info

Publication number
DE602007007515D1
DE602007007515D1 DE602007007515T DE602007007515T DE602007007515D1 DE 602007007515 D1 DE602007007515 D1 DE 602007007515D1 DE 602007007515 T DE602007007515 T DE 602007007515T DE 602007007515 T DE602007007515 T DE 602007007515T DE 602007007515 D1 DE602007007515 D1 DE 602007007515D1
Authority
DE
Germany
Prior art keywords
nozzle
hole
torch body
cooling fluid
holder
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.)
Active
Application number
DE602007007515T
Other languages
German (de)
Inventor
Silvano Dallavalle
Mauro Vancini
Vittorio Colombo
Emanuele Ghedini
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.)
Cebora SpA
Original Assignee
Cebora SpA
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 Cebora SpA filed Critical Cebora SpA
Publication of DE602007007515D1 publication Critical patent/DE602007007515D1/en
Active 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
    • H05H1/28—Cooling arrangements
    • 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
    • H05H1/3457—Nozzle protection devices
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Geometry (AREA)
  • Plasma Technology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Arc Welding In General (AREA)

Abstract

A plasma torch (1) consists of a torch body (2) comprising: an electrode (3) mounted centrally in the torch body (2); a nozzle (4) mounted on the torch body (2), surrounding the tip of the electrode (3) and having a first central through hole (6) for the passage of the plasma; a nozzle holder (7) whose inside wall faces the outside wall of the nozzle (4) in such a way as to form a cooling chamber (8) through which a second cooling fluid (Fl) passes; a nozzle (4) and nozzle holder (7) covering unit (10) composed of a first member (10a) that can be joined to the torch body (2) and a second member (10b) that can be joined to the proximal end of the first member (10a); the second member (10b) is provided with a second central hole (11), coaxial with the first hole (6); a channel (12) for the passage of a third, cooling fluid (F2) is formed between the nozzle holder (7) and the covering unit (10) in such a way as to reach the second hole (11); in the join area defined by the proximal end of the first holder member (10a) and the annular edge of the second member (10b) there is a plurality of concavities (13) designed to enable a part (F2a) of the third cooling fluid (F2) to flow to the outside of the second member (10b).
DE602007007515T 2006-11-22 2007-11-15 PLASMA TORCH Active DE602007007515D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000793A ITBO20060793A1 (en) 2006-11-22 2006-11-22 PLASMA TORCH
PCT/IB2007/003601 WO2008062300A1 (en) 2006-11-22 2007-11-15 Plasma torch

Publications (1)

Publication Number Publication Date
DE602007007515D1 true DE602007007515D1 (en) 2010-08-12

Family

ID=39204611

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007007515T Active DE602007007515D1 (en) 2006-11-22 2007-11-15 PLASMA TORCH

Country Status (5)

Country Link
EP (1) EP2092805B1 (en)
AT (1) ATE472930T1 (en)
DE (1) DE602007007515D1 (en)
IT (1) ITBO20060793A1 (en)
WO (1) WO2008062300A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8513565B2 (en) 2008-04-10 2013-08-20 Hypertherm, Inc. Nozzle head with increased shoulder thickness
IT1392379B1 (en) * 2008-12-24 2012-03-02 Cebora Spa HIGH-PERFORMANCE PLASMA TORCH.
CN107734825A (en) * 2017-10-30 2018-02-23 台州伟博环保设备科技有限公司 The anode generator of plasma generator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5695662A (en) 1988-06-07 1997-12-09 Hypertherm, Inc. Plasma arc cutting process and apparatus using an oxygen-rich gas shield
JP2591371Y2 (en) * 1993-02-24 1999-03-03 株式会社小松製作所 Plasma arc torch
US6268583B1 (en) 1999-05-21 2001-07-31 Komatsu Ltd. Plasma torch of high cooling performance and components therefor
US6914211B2 (en) * 2003-02-27 2005-07-05 Thermal Dynamics Corporation Vented shield system for a plasma arc torch

Also Published As

Publication number Publication date
ITBO20060793A1 (en) 2008-05-23
EP2092805A1 (en) 2009-08-26
EP2092805B1 (en) 2010-06-30
WO2008062300A1 (en) 2008-05-29
ATE472930T1 (en) 2010-07-15

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