KR880701151A - Laser Sustained Plasma Torch and How to Use It - Google Patents

Laser Sustained Plasma Torch and How to Use It

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Publication number
KR880701151A
KR880701151A KR1019880700162A KR880700162A KR880701151A KR 880701151 A KR880701151 A KR 880701151A KR 1019880700162 A KR1019880700162 A KR 1019880700162A KR 880700162 A KR880700162 A KR 880700162A KR 880701151 A KR880701151 A KR 880701151A
Authority
KR
South Korea
Prior art keywords
plasma
outlet
nozzle
laser radiation
plasma torch
Prior art date
Application number
KR1019880700162A
Other languages
Korean (ko)
Inventor
데니스 알 키퍼
Original Assignee
원본 미기재
유니버시티 오브 테네시 리써치 코포레이션
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 원본 미기재, 유니버시티 오브 테네시 리써치 코포레이션 filed Critical 원본 미기재
Publication of KR880701151A publication Critical patent/KR880701151A/en

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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
    • B23K9/00—Arc welding or cutting
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21B—FUSION REACTORS
    • G21B1/00—Thermonuclear fusion reactors
    • G21B1/11—Details
    • G21B1/23—Optical systems, e.g. for irradiating targets, for heating plasma or for plasma diagnostics
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/346—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding
    • B23K26/348—Working by laser beam, e.g. welding, cutting or boring in combination with welding or cutting covered by groups B23K5/00 - B23K25/00, e.g. in combination with resistance welding in combination with arc heating, e.g. TIG [tungsten inert gas], MIG [metal inert gas] or plasma welding
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/10—Nuclear fusion reactors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Laser Beam Processing (AREA)
  • Plasma Technology (AREA)

Abstract

내용 없음No content

Description

레이저 지속 플라즈마 토오치 및 이의 사용 방법Laser Sustained Plasma Torch and How to Use It

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 한 형태를 실시하는 레이저 지속 플라즈마 토오치를 제공하는 장치의 개략적인 부분 단면 사시도이고,1 is a schematic partial cross-sectional perspective view of an apparatus for providing a laser sustained plasma torch implementing one embodiment of the present invention,

Claims (13)

레이저 방사선을 발생시키기 위한 레이저, 압축 가스 소오스, 소오스로부터 가스를 받아들이고 노즐장치의 내부 영역으로 가스 흐름을 유도하는 플라즈마 토오치 노즐 장치, 가스 흐름을 출구를 향해 유도하기 위해 내부 영역에 인접한 노즐 장치내에 형성된 출구, 및 촛점 영역이 최소한 부분적으로 노즐 장치에 있도록 노즐 장치내에 레이저 방사선을 집속하기 위한 집속 장치로 구성되고, 촛점 영역내의 레이저 방사선 및 가스 흐름이 출구를 향해 보내지는 가스 흐름에 의해 노즐 장치의 내부 영역 내에 최소한 부분적으로 제한된 플라즈마를 지속시키도록 동작될 수 있는 것을 특징으로 하는 레이저 지속 플라즈마 토오치.A laser torch, a compressed gas source, a plasma torch nozzle device that accepts gas from the source and directs the gas flow into an interior region of the nozzle apparatus, within a nozzle apparatus adjacent to the interior region to direct the gas flow towards the outlet An outlet formed and a focusing device for focusing the laser radiation in the nozzle device such that the focusing area is at least partially in the nozzle device, wherein the laser radiation and the gas flow in the focusing area are directed toward the outlet of the nozzle device. And a laser sustained plasma torch that is operable to sustain at least partially confined plasma within the interior region. 제1항에 있어서, 집속 장치가 플라즈마 토오치 노즐 장치 내의 촛점 영역에 방사선을 완전히 접속하는 것을 특징으로 하는 장치.An apparatus according to claim 1, wherein the focusing device completely connects the radiation to the focus area within the plasma torch nozzle device. 제1항에 있어서, 플라즈마 토오치 노즐 장치가 노즐 내에 최소한 부분적으로 플라즈마를 제한시키도록 출구를 향해 가스 흐름을 유도하기 위해 집속된 레이저 방사선과 동축인 테이퍼식 내벽을 갖고 있고 출구를 제공하는 노즐로 구성된 것을 특징으로 하는 장치.The nozzle of claim 1, wherein the plasma torch nozzle device has a tapered inner wall coaxial with focused laser radiation to direct gas flow towards the outlet to at least partially confine the plasma within the nozzle and comprises a nozzle providing the outlet. Device characterized in that. 제3항에 있어서, 노즐이 내화물질로 제조된 것을 특징으로 하는 장치.4. An apparatus according to claim 3, wherein the nozzle is made of refractory material. 제1항에 있어서, 출구가 내부 영역으로부터 외향으로 플라즈마의 제트를 보내도록 동작될 수 있는 것을 특징으로 하는 장치.The apparatus of claim 1 wherein the outlet can be operated to direct a jet of plasma outward from the interior region. 제1항에 있어서, 내부 영역 내에 2차 물질을 유입시키기 위한 장치를 포함하는 것을 특징으로 하는 장치.The device of claim 1 comprising a device for introducing secondary material into the interior region. 제6항에 있어서, 내부 영역 내의 2차 물질의 주재 시간을 증가시키도록 내부 영역 내의 가스 흐름에 나선형 혹은 소용돌이 흐름을 부과하기 위한 장치를 포함하는 것을 특징으로 하는 장치.7. The apparatus of claim 6, comprising a device for imposing a helical or vortex flow on the gas flow in the interior region to increase the residence time of the secondary material in the interior region. 제1항에 있어서, 레이저가 이산화탄소 레이저인 것을 특징으로 하는 장치.The apparatus of claim 1 wherein the laser is a carbon dioxide laser. 동작을 실행하도록 촛점 영역에 레이저 방사선을 집속시키기 위해 고출력 레이저 방사선 및 집속 장치를 사용하는 방법에 있어서, 플라즈마 토오치 노즐 장치의 출구를 갖고 있는 내부 영역 내에 레이저 방사선을 입사시키기 위한 수단, 최소한 부분적으로 플라즈마 토오치 노즐 장치 내의 촛점 영역에 레이저 방사선을 집속시키는 수단, 플라즈마 토오치 노즐 장치의 내부 영역 내에 압축 가스를 유입시키어 가스가 출구를 향해 흐르게 하는 수단, 제한 장치 내에 플라즈마를 발생시키는 수단, 레이저 방사선의 촛점 영역에 플라즈마를 지속시키어, 출구를 향해 흐르게 하는 가스 흐름에 의해 플라즈마 토오치 노즐 장치 내에 플라즈마를 최소한 부분적으로 제한시키는 수단, 및 동작을 실행할 때 가공 매체로서 플라즈마를 사용하는 수단을 포함하는 것을 특징으로 하는 방법.A method of using high power laser radiation and a focusing device to focus laser radiation in a focused area to perform an operation, the method comprising: means for injecting laser radiation into an interior area having an outlet of a plasma torch nozzle device, at least partially Means for concentrating laser radiation to a focused area within the plasma torch nozzle device, means for introducing compressed gas into the interior area of the plasma torch nozzle device to allow the gas to flow toward the outlet, means for generating plasma in the restriction device, laser radiation Means for at least partially confining the plasma in the plasma torch nozzle apparatus by a gas flow that is directed toward the outlet by sustaining the plasma in a focal region of the apparatus, and means for using the plasma as a processing medium when performing the operation. The method of claim. 제9항에 있어서, 작업편을 향해 출구 밖으로 플라즈마의 제트를 보내어, 작업편 상에서 동작을 실행할 때 제트를 사용하는 수단을 포함하는 것을 특징으로 하는 방법.10. The method of claim 9, comprising means for sending a jet of plasma out of the outlet toward the workpiece to use the jet when performing an action on the workpiece. 제9항에 있어서, 가스 흐름 내로 2차 물질을 유입시키어, 물질을 가공 처리하기 위해 플라즈마를 사용하는 수단을 포함하는 것을 특징으로 하는 방법.10. The method of claim 9, comprising means for introducing a secondary material into the gas stream to use plasma to process the material. 제11항에 있어서, 플라즈마 내에서 가공 처리한 후에, 작업편을 향해 2차 물질을 보내는 수단을 포함하는 것을 특징으로 하는 방법.12. The method of claim 11, comprising means for directing secondary material towards the workpiece after processing in the plasma. 제11항에 있어서, 플라즈마 내의 2차 물질의 주재 시간을 증가시키기 위해 나선형 또는 소용돌이 흐름으로 흐르도록 가스를 유입하는 수단을 포함하는 것을 특징으로 하는 방법.12. The method of claim 11, comprising means for introducing a gas to flow in a helical or vortex flow to increase the residence time of the secondary material in the plasma. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880700162A 1986-06-23 1987-06-22 Laser Sustained Plasma Torch and How to Use It KR880701151A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US87728686A 1986-06-23 1986-06-23
US877286 1986-06-23
PCT/US1987/001504 WO1987007862A1 (en) 1986-06-23 1987-06-22 Laser sustained plasma torch and method for using same

Publications (1)

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KR880701151A true KR880701151A (en) 1988-07-25

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EP (1) EP0325583A4 (en)
JP (1) JPH01503612A (en)
KR (1) KR880701151A (en)
WO (1) WO1987007862A1 (en)

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DE4016199A1 (en) * 1990-05-19 1991-11-21 Linde Ag Cutting tool with focusable laser beam - has cutting nozzle with narrowing and widening sections to focus beam on thick workpiece surface
DE29513026U1 (en) * 1995-08-16 1995-10-05 Eos Electro Optical Syst Device for producing an object in layers by means of laser sintering
US7629556B2 (en) * 2005-12-16 2009-12-08 Sematech, Inc. Laser nozzle methods and apparatus for surface cleaning
US9090315B1 (en) * 2010-11-23 2015-07-28 Piedra—Sombra Corporation, Inc. Optical energy transfer and conversion system
JP5645095B1 (en) * 2014-01-31 2014-12-24 国立大学法人 岡山大学 Laser processing machine shield gas supply device and laser processing machine
DE202015102740U1 (en) * 2015-05-27 2016-08-31 Uwe Bergmann Laser welding device with spatter protection device
CN117564518B (en) * 2024-01-15 2024-05-17 洛阳船舶材料研究所(中国船舶集团有限公司第七二五研究所) Vacuum laser welding device and welding method

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US3463601A (en) * 1967-10-20 1969-08-26 Gen Dynamics Corp Torch assembly
US4036012A (en) * 1976-02-18 1977-07-19 The United States Of America As Represented By The Secretary Of The Army Laser powered rocket engine using a gasdynamic window
US4179599A (en) * 1978-05-08 1979-12-18 The United States Of America As Represented By The Secretary Of The Army Laser plasmatron

Also Published As

Publication number Publication date
JPH01503612A (en) 1989-12-07
EP0325583A4 (en) 1989-12-19
EP0325583A1 (en) 1989-08-02
WO1987007862A1 (en) 1987-12-30

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