DE69229006T2 - Plasmabogen-Schneidverfahren und Vorrichtung - Google Patents

Plasmabogen-Schneidverfahren und Vorrichtung

Info

Publication number
DE69229006T2
DE69229006T2 DE69229006T DE69229006T DE69229006T2 DE 69229006 T2 DE69229006 T2 DE 69229006T2 DE 69229006 T DE69229006 T DE 69229006T DE 69229006 T DE69229006 T DE 69229006T DE 69229006 T2 DE69229006 T2 DE 69229006T2
Authority
DE
Germany
Prior art keywords
cutting method
plasma arc
arc cutting
plasma
cutting
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
DE69229006T
Other languages
English (en)
Other versions
DE69229006D1 (de
Inventor
Richard Couch
Nicholas Sanders
Lifeng R R Luo
John Shaker Farm 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 Technologies Inc
Original Assignee
Hypertherm Technologies 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=DE69229006(T2) "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 Technologies Inc filed Critical Hypertherm Technologies Inc
Publication of DE69229006D1 publication Critical patent/DE69229006D1/de
Application granted granted Critical
Publication of DE69229006T2 publication Critical patent/DE69229006T2/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
    • H05H1/28—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
    • 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
DE69229006T 1991-04-12 1992-03-09 Plasmabogen-Schneidverfahren und Vorrichtung Expired - Lifetime DE69229006T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
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
PCT/US1992/001872 WO1992018282A1 (en) 1991-04-12 1992-03-09 Plasma arc cutting process and apparatus using an oxygen-rich gas shield

Publications (2)

Publication Number Publication Date
DE69229006D1 DE69229006D1 (de) 1999-05-27
DE69229006T2 true DE69229006T2 (de) 1999-09-09

Family

ID=27418407

Family Applications (3)

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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69233071T Expired - Lifetime DE69233071T3 (de) 1991-04-12 1992-03-09 Lichtbogen-Plasmaschneidvorrichtung

Family Applications After (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

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) DE69233071T3 (de)
WO (1) WO1992018282A1 (de)

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DE69232651T3 (de) 2008-11-20
DE69233071T3 (de) 2010-04-15
AU1772592A (en) 1992-11-17
DE69232651T2 (de) 2002-11-21
EP0697935B1 (de) 1999-04-21
AU1365095A (en) 1995-05-18
JP3172532B2 (ja) 2001-06-04
JPH06508793A (ja) 1994-10-06
US5591357A (en) 1997-01-07
EP0697935A1 (de) 1996-02-28
DE69233071T2 (de) 2004-03-18
AU3456795A (en) 1996-01-25
DE69229006D1 (de) 1999-05-27
US5396043A (en) 1995-03-07
AU669313B2 (en) 1996-05-30
WO1992018282A1 (en) 1992-10-29
DE69233071D1 (de) 2003-06-26
CA2108121C (en) 2003-11-11
AU660021B2 (en) 1995-06-08
CA2108121A1 (en) 1992-10-13
EP0697935A4 (de) 1994-05-20
AU678730B2 (en) 1997-06-05

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