DE69233071D1 - Lichtbogen-Plasmaschneidvorrichtung - Google Patents

Lichtbogen-Plasmaschneidvorrichtung

Info

Publication number
DE69233071D1
DE69233071D1 DE69233071T DE69233071T DE69233071D1 DE 69233071 D1 DE69233071 D1 DE 69233071D1 DE 69233071 T DE69233071 T DE 69233071T DE 69233071 T DE69233071 T DE 69233071T DE 69233071 D1 DE69233071 D1 DE 69233071D1
Authority
DE
Germany
Prior art keywords
plasma arc
arc cutter
cutter
plasma
arc
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
DE69233071T
Other languages
English (en)
Other versions
DE69233071T2 (de
DE69233071T3 (de
Inventor
Richard W Couch Jr
Nicholas A Sanders
Lifeng Luo
John Sobr
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27418407&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69233071(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US07/682,992 external-priority patent/US5166494A/en
Priority claimed from US07/682,991 external-priority patent/US5170033A/en
Application filed by Hypertherm Inc filed Critical Hypertherm Inc
Publication of DE69233071D1 publication Critical patent/DE69233071D1/de
Publication of DE69233071T2 publication Critical patent/DE69233071T2/de
Application granted granted Critical
Publication of DE69233071T3 publication Critical patent/DE69233071T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • H05H1/30—Plasma torches using applied electromagnetic fields, e.g. high frequency or microwave energy
DE69233071T 1991-04-12 1992-03-09 Lichtbogen-Plasmaschneidvorrichtung Expired - Lifetime DE69233071T3 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US753395 1985-07-10
US682991 1991-04-12
US682992 1991-04-12
US07/682,992 US5166494A (en) 1990-04-24 1991-04-12 Process 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
US07/753,395 US5396043A (en) 1988-06-07 1991-08-30 Plasma arc cutting process and apparatus using an oxygen-rich gas shield

Publications (3)

Publication Number Publication Date
DE69233071D1 true DE69233071D1 (de) 2003-06-26
DE69233071T2 DE69233071T2 (de) 2004-03-18
DE69233071T3 DE69233071T3 (de) 2010-04-15

Family

ID=27418407

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69232651T Expired - Lifetime DE69232651T3 (de) 1991-04-12 1992-03-09 Lichtbogen-Plasmaschneidvorrichtung und -verfahren mit hochsauerstoffhaltigem Gasschutz
DE69233071T Expired - Lifetime DE69233071T3 (de) 1991-04-12 1992-03-09 Lichtbogen-Plasmaschneidvorrichtung
DE69229006T Expired - Lifetime DE69229006T2 (de) 1991-04-12 1992-03-09 Plasmabogen-Schneidverfahren und Vorrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69232651T Expired - Lifetime DE69232651T3 (de) 1991-04-12 1992-03-09 Lichtbogen-Plasmaschneidvorrichtung und -verfahren mit hochsauerstoffhaltigem Gasschutz

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69229006T Expired - Lifetime DE69229006T2 (de) 1991-04-12 1992-03-09 Plasmabogen-Schneidverfahren und Vorrichtung

Country Status (7)

Country Link
US (2) US5396043A (de)
EP (1) EP0697935B1 (de)
JP (1) JP3172532B2 (de)
AU (3) AU660021B2 (de)
CA (1) CA2108121C (de)
DE (3) DE69232651T3 (de)
WO (1) WO1992018282A1 (de)

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CA2108121A1 (en) 1992-10-13
AU3456795A (en) 1996-01-25
DE69232651D1 (de) 2002-07-25
DE69232651T3 (de) 2008-11-20
JPH06508793A (ja) 1994-10-06
DE69229006T2 (de) 1999-09-09
AU1365095A (en) 1995-05-18
DE69229006D1 (de) 1999-05-27
EP0697935A1 (de) 1996-02-28
WO1992018282A1 (en) 1992-10-29
AU669313B2 (en) 1996-05-30
AU678730B2 (en) 1997-06-05
US5396043A (en) 1995-03-07
CA2108121C (en) 2003-11-11
AU1772592A (en) 1992-11-17
EP0697935B1 (de) 1999-04-21
EP0697935A4 (de) 1994-05-20
DE69232651T2 (de) 2002-11-21
DE69233071T2 (de) 2004-03-18
DE69233071T3 (de) 2010-04-15
AU660021B2 (en) 1995-06-08
US5591357A (en) 1997-01-07
JP3172532B2 (ja) 2001-06-04

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