DE69124505T2 - Wirbelring und flusssteuerungsverfahren eines plasmalichtbogenbrenners - Google Patents

Wirbelring und flusssteuerungsverfahren eines plasmalichtbogenbrenners

Info

Publication number
DE69124505T2
DE69124505T2 DE69124505T DE69124505T DE69124505T2 DE 69124505 T2 DE69124505 T2 DE 69124505T2 DE 69124505 T DE69124505 T DE 69124505T DE 69124505 T DE69124505 T DE 69124505T DE 69124505 T2 DE69124505 T2 DE 69124505T2
Authority
DE
Germany
Prior art keywords
control method
flow control
plasma arc
swivel ring
arc burner
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.)
Expired - Lifetime
Application number
DE69124505T
Other languages
English (en)
Other versions
DE69124505D1 (de
Inventor
Richard Couch
Lifeng Luo
Nicholas Sanders
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.)
Hypertherm Inc
Original Assignee
Hypertherm Inc
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 claimed from US07/513,780 external-priority patent/US5070227A/en
Application filed by Hypertherm Inc filed Critical Hypertherm Inc
Publication of DE69124505D1 publication Critical patent/DE69124505D1/de
Application granted granted Critical
Publication of DE69124505T2 publication Critical patent/DE69124505T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B23K10/00—Welding or cutting by means of a plasma
    • 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
    • B23K10/00—Welding or cutting by means of a plasma
    • B23K10/006—Control circuits therefor
    • 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
    • H05H1/341—Arrangements for providing coaxial protecting fluids
    • 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
    • H05H1/3421—Transferred arc or pilot arc mode
    • 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
    • H05H1/3442—Cathodes with inserted tip
    • 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
    • H05H1/3468—Vortex generators
    • 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
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3494—Means for controlling discharge parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mechanical Engineering (AREA)
  • Geometry (AREA)
  • Plasma Technology (AREA)
DE69124505T 1990-04-24 1991-04-23 Wirbelring und flusssteuerungsverfahren eines plasmalichtbogenbrenners Expired - Lifetime DE69124505T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/513,780 US5070227A (en) 1990-04-24 1990-04-24 Proceses and apparatus for reducing electrode wear in a plasma arc torch
US07/682,991 US5170033A (en) 1990-04-24 1991-04-12 Swirl ring and flow control process for a plasma arc torch
PCT/US1991/002783 WO1991016166A1 (en) 1990-04-24 1991-04-23 Swirl ring and flow control process for a plasma arc torch

Publications (2)

Publication Number Publication Date
DE69124505D1 DE69124505D1 (de) 1997-03-13
DE69124505T2 true DE69124505T2 (de) 1997-05-22

Family

ID=27058011

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69124505T Expired - Lifetime DE69124505T2 (de) 1990-04-24 1991-04-23 Wirbelring und flusssteuerungsverfahren eines plasmalichtbogenbrenners

Country Status (6)

Country Link
EP (1) EP0526560B1 (de)
JP (1) JP2950986B2 (de)
AU (1) AU642497B2 (de)
CA (1) CA2081459A1 (de)
DE (1) DE69124505T2 (de)
WO (1) WO1991016166A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5166494A (en) * 1990-04-24 1992-11-24 Hypertherm, Inc. Process and apparatus for reducing electrode wear in a plasma arc torch
US5660745A (en) * 1995-12-15 1997-08-26 Illinois Tool Works Inc. Method and apparatus for a contact start plasma cutting process
CH690408A5 (de) * 1996-02-23 2000-08-31 Mgc Plasma Ag Plasmabrenner für übertragenen Lichtbogen.
CA2397756A1 (en) * 2000-01-18 2001-07-16 Scientific Utilization, Inc. Three-phase alternating current plasma generator having adjustable, extended life electrodes and multiple stream injector rings
US6774336B2 (en) * 2001-02-27 2004-08-10 Thermal Dynamics Corporation Tip gas distributor
FR2865424A1 (fr) * 2004-01-27 2005-07-29 Air Liquide Procede et installation de coupage plasma a courant asservi au gaz plasmagene
JP2007275971A (ja) * 2006-04-11 2007-10-25 Koike Sanso Kogyo Co Ltd プラズマトーチ
US9642237B2 (en) 2014-05-20 2017-05-02 Hypertherm, Inc. Method of improving electrode life by simultaneously controlling plasma gas composition and gas flow
AU2015301727B2 (en) * 2014-08-12 2020-05-14 Hypertherm, Inc. Cost effective cartridge for a plasma arc torch
KR101580886B1 (ko) * 2014-10-07 2015-12-31 주식회사 케이피씨 플라즈마 아크 토치
ES2717509T3 (es) * 2015-01-29 2019-06-21 Kjellberg Stiftung Soplete de plasma
CN207013853U (zh) * 2016-04-11 2018-02-16 海别得公司 通用的冷却剂管
CN110814489A (zh) * 2019-12-10 2020-02-21 常州奇洛焊接科技有限公司 一种等离子气刨枪
US20210204387A1 (en) * 2019-12-31 2021-07-01 The Esab Group Inc. Methods for operating a plasma torch

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6068156A (ja) * 1983-09-22 1985-04-18 Mitsubishi Heavy Ind Ltd プラズマスポット溶接方法
US4791268A (en) * 1987-01-30 1988-12-13 Hypertherm, Inc. Arc plasma torch and method using contact starting
US4902871A (en) * 1987-01-30 1990-02-20 Hypertherm, Inc. Apparatus and process for cooling a plasma arc electrode
US5070227A (en) * 1990-04-24 1991-12-03 Hypertherm, Inc. Proceses and apparatus for reducing electrode wear in a plasma arc torch
US5166494A (en) * 1990-04-24 1992-11-24 Hypertherm, Inc. Process and apparatus for reducing electrode wear in a plasma arc torch
US5017752A (en) * 1990-03-02 1991-05-21 Esab Welding Products, Inc. Plasma arc torch starting process having separated generated flows of non-oxidizing and oxidizing gas

Also Published As

Publication number Publication date
JP2950986B2 (ja) 1999-09-20
AU7781491A (en) 1991-11-11
AU642497B2 (en) 1993-10-21
DE69124505D1 (de) 1997-03-13
EP0526560A1 (de) 1993-02-10
EP0526560B1 (de) 1997-01-29
WO1991016166A1 (en) 1991-10-31
EP0526560A4 (en) 1993-02-24
JPH05508807A (ja) 1993-12-09
CA2081459A1 (en) 1991-10-25

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Legal Events

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8364 No opposition during term of opposition