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KR910016428A - 개량 플라스마 아아크 토오치 시동방법 - Google Patents

개량 플라스마 아아크 토오치 시동방법 Download PDF

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Publication number
KR910016428A
KR910016428A KR1019900019294A KR900019294A KR910016428A KR 910016428 A KR910016428 A KR 910016428A KR 1019900019294 A KR1019900019294 A KR 1019900019294A KR 900019294 A KR900019294 A KR 900019294A KR 910016428 A KR910016428 A KR 910016428A
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KR
South Korea
Prior art keywords
electrode
discharge end
flow
nozzle assembly
oxidizing gas
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KR1019900019294A
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English (en)
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KR930005953B1 (ko
Inventor
주니어 웨인 스탠리 세버란스
잭 터너 토미
Original Assignee
리차드 에스.벅
이에스 에이비 웰딩 프라덕츠, 인코퍼레이티드
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Application filed by 리차드 에스.벅, 이에스 에이비 웰딩 프라덕츠, 인코퍼레이티드 filed Critical 리차드 에스.벅
Publication of KR910016428A publication Critical patent/KR910016428A/ko
Application granted granted Critical
Publication of KR930005953B1 publication Critical patent/KR930005953B1/ko

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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
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/38—Selection of media, e.g. special atmospheres for surrounding the working area
    • 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
    • B23K10/02—Plasma welding
    • 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
    • B23K9/00—Arc welding or cutting
    • 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
    • H05H1/3405—Arrangements for stabilising or constricting the arc, e.g. by an additional gas flow
    • 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
    • H05H1/3436—Hollow cathodes with internal coolant flow
    • 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
    • H05H1/3452—Supplementary electrodes between cathode and anode, e.g. cascade
    • 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

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  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma Technology (AREA)
  • Discharge Heating (AREA)
  • Arc Welding Control (AREA)
  • Arc Welding In General (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Discharge Lamp (AREA)
  • Gas-Filled Discharge Tubes (AREA)

Abstract

내용 없음

Description

개량 플라스마 아아크 토오치 시동방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 방법(process)에 따라 사용될수 있는 플라스마 아아크 토오치의 측단면도. 제2도는 본 발명의 방법에 따라 플라스마 아아크 토오치의 작업동안 가스유량과 시간 및 아아크 전류와 시간을 비교한 2개의 그래프, 제3도는 본 발명의 방법에 따라 플라스마 아아크 토오치의 작업을 위한 기본부품 및 부품의 전기적인 상호관계를 도시한 개략도.

Claims (6)

  1. 금속전극 및 이 전극의 방전단부에 인접위치한 노즐조립체를 포함하고, 이 전극의 산화를 최소화시켜 이 전극의 수명을 연장시키는 형식의 플라스마 아아크 토오치를 시동 시키기 위한 방법에 있어서, 이 전극의 방전단부와 노즐 조립체 사이에 비산화가스의 유동을 발생시키는 단계, 이 전극의 방전단부와 노즐조립체사이에 파이럿 아아크를 발생시키는 단계, 이 전극의 방전단부로부터 이 전극 반대쪽의 노즐조립체쪽에 위치한 공작물까지 연장되는 이송형 아아크를 만들도록 파일럿 아아크를 이송시키는 단계를 포함하는 한편 동시에 비산화가스의 유동을 종결시키고 전극의 방전 단부와 노즐조립체사이에 산화가스의 유동을 발생시켜서 이송형 아아크와 산화가스가 이 전극의 방전단부와 공작물사이에 플라스마 가스 유동을 발생시키는 것이 특징인 개량 플라스마 아아크 토오치 시동방법.
  2. 제1항에 있어서, 이송형 아아크를 종결시키는 단계, 및 동시에 산화가스의 유동을 종결시키는 단계, 및 동시에 이 전극의 방전단부와 노즐조립체사이에 비산화가스의 유동을 발생시키는 단계의 연속단계를 연속포함하는 것이 특징인 개량 플라스마 아아크 토오치 시동방법.
  3. 제2항에 있어서, 비산화가스가 본질적으로 질소로 구성되고 산화가스가 본질적으로 산소로 구성된 것이 특징인 개량 플라스마 아아크 토오치 시동방법.
  4. 제3항에 있어서, 노즐조립체가 전극의 방전단부에 인접위치한 상부 노즐부재 및 전극의 반대쪽에 상부 노즐 부재에 인접위치한 하부노즐부재를 포함하되, 상부 및 하부 노즐 부재가 플라스마 가스 유동의 통로를 위하여 각각의 정렬된 보어를 가지며, 플라스마 가스 유동을 액체로 에워싸도록 동시에 파일럿 아아크를 이송시키는 단계를 가지며 상부 및 하부 노즐부재사이에 액체의 유동을 도입하는 단계를 또한 포함하는 것이 특징인 개량 플라스마 아아크 토오치 시동방법.
  5. 제4항에 있어서, 액체가 물인것이 특징인 개량 플라스마 아아크 토오치 시동방법.
  6. 제5항에 있어서, 전극이 전극의 방전단부에 위치한 일반적으로 원통형의 방사인서트를 포함한 것이 특징인 개량 플라스마 아아크 토오치 시동방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900019294A 1990-03-02 1990-11-27 개량 플라즈마 아아크 토오치 시동방법 KR930005953B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/487,747 US5017752A (en) 1990-03-02 1990-03-02 Plasma arc torch starting process having separated generated flows of non-oxidizing and oxidizing gas
US487,747 1990-03-02

Publications (2)

Publication Number Publication Date
KR910016428A true KR910016428A (ko) 1991-11-05
KR930005953B1 KR930005953B1 (ko) 1993-06-30

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Country Status (19)

Country Link
US (1) US5017752A (ko)
EP (1) EP0444344B1 (ko)
JP (1) JPH03258464A (ko)
KR (1) KR930005953B1 (ko)
CN (1) CN1027215C (ko)
AT (1) ATE121257T1 (ko)
AU (1) AU624051B2 (ko)
BR (1) BR9004874A (ko)
CA (1) CA2023991C (ko)
CS (1) CS427790A3 (ko)
DE (1) DE69018611T2 (ko)
DK (1) DK0444344T3 (ko)
FI (1) FI904183A (ko)
HU (1) HUT58580A (ko)
IE (1) IE903018A1 (ko)
IL (1) IL95514A (ko)
NO (1) NO903751L (ko)
PL (1) PL287579A1 (ko)
ZA (1) ZA906797B (ko)

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AU6130690A (en) 1991-09-05
DK0444344T3 (da) 1995-08-28
KR930005953B1 (ko) 1993-06-30
HU905301D0 (en) 1991-02-28
FI904183A0 (fi) 1990-08-23
JPH03258464A (ja) 1991-11-18
HUT58580A (en) 1992-03-30
IL95514A (en) 1993-08-18
EP0444344B1 (en) 1995-04-12
CN1027215C (zh) 1994-12-28
BR9004874A (pt) 1991-11-19
ATE121257T1 (de) 1995-04-15
CA2023991C (en) 1995-05-23
FI904183A (fi) 1991-09-03
ZA906797B (en) 1991-06-26
AU624051B2 (en) 1992-05-28
EP0444344A3 (en) 1992-01-02
NO903751D0 (no) 1990-08-27
NO903751L (no) 1991-09-03
EP0444344A2 (en) 1991-09-04
DE69018611T2 (de) 1995-11-23
IE903018A1 (en) 1991-09-11
CS427790A3 (en) 1992-09-16
CN1054698A (zh) 1991-09-18
US5017752A (en) 1991-05-21
PL287579A1 (en) 1991-10-21
DE69018611D1 (de) 1995-05-18
IL95514A0 (en) 1991-06-30

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