DE69414370T2 - Verfahren und vorrichtung zum plasmaschneiden - Google Patents

Verfahren und vorrichtung zum plasmaschneiden

Info

Publication number
DE69414370T2
DE69414370T2 DE69414370T DE69414370T DE69414370T2 DE 69414370 T2 DE69414370 T2 DE 69414370T2 DE 69414370 T DE69414370 T DE 69414370T DE 69414370 T DE69414370 T DE 69414370T DE 69414370 T2 DE69414370 T2 DE 69414370T2
Authority
DE
Germany
Prior art keywords
plasma 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 - Fee Related
Application number
DE69414370T
Other languages
English (en)
Other versions
DE69414370D1 (de
Inventor
Toshiya Shintani
Masahiko Hasegawa
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 Komatsu Ltd filed Critical Komatsu Ltd
Application granted granted Critical
Publication of DE69414370D1 publication Critical patent/DE69414370D1/de
Publication of DE69414370T2 publication Critical patent/DE69414370T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE69414370T 1993-01-29 1994-01-25 Verfahren und vorrichtung zum plasmaschneiden Expired - Fee Related DE69414370T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5034423A JPH06226451A (ja) 1993-01-29 1993-01-29 プラズマ切断方法および切断装置
PCT/JP1994/000091 WO1994016857A1 (en) 1993-01-29 1994-01-25 Plasma cutting method and cutting apparatus

Publications (2)

Publication Number Publication Date
DE69414370D1 DE69414370D1 (de) 1998-12-10
DE69414370T2 true DE69414370T2 (de) 1999-04-01

Family

ID=12413802

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69414370T Expired - Fee Related DE69414370T2 (de) 1993-01-29 1994-01-25 Verfahren und vorrichtung zum plasmaschneiden

Country Status (6)

Country Link
US (1) US5614110A (de)
EP (1) EP0681886B1 (de)
JP (1) JPH06226451A (de)
KR (1) KR960700123A (de)
DE (1) DE69414370T2 (de)
WO (1) WO1994016857A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07314143A (ja) * 1994-05-25 1995-12-05 Komatsu Ltd プラズマ切断方法
AUPO901497A0 (en) * 1997-09-08 1997-10-02 Commonwealth Scientific And Industrial Research Organisation Controlled plasma arc cutting
US5990446A (en) * 1998-03-27 1999-11-23 University Of Kentucky Research Founadtion Method of arc welding using dual serial opposed torches
JPH11342476A (ja) * 1998-05-29 1999-12-14 Daihen Corp ステンレス鋼のエアープラズマ切断方法および切断装置
US6093905A (en) * 1999-10-12 2000-07-25 Innerlogic, Inc. Process for operating a plasma arc torch
US6153850A (en) * 1999-04-29 2000-11-28 The Esab Group, Inc. Method of cutting a workpiece along an arcuate path with a plasma arc torch
FR2805193B1 (fr) * 2000-02-18 2002-05-10 Safmatic Pilotage de l'envoi du gaz de coupage plasma a partir de la pression du gaz pilote
US6947802B2 (en) * 2000-04-10 2005-09-20 Hypertherm, Inc. Centralized control architecture for a laser materials processing system
US6622058B1 (en) 2000-04-10 2003-09-16 Tate S. Picard Centralized control architecture for a plasma arc system
US6359251B1 (en) 2000-04-10 2002-03-19 Hypertherm, Inc. Centralized control architecture for a plasma arc system
US6772040B1 (en) 2000-04-10 2004-08-03 Hypertherm, Inc. Centralized control architecture for a plasma arc system
JP2003053548A (ja) * 2001-08-17 2003-02-26 Koike Sanso Kogyo Co Ltd 流量調整装置及び加工装置
US6777638B2 (en) 2002-11-14 2004-08-17 The Esab Group, Inc. Plasma arc torch and method of operation for reduced erosion of electrode and nozzle
JP3652350B2 (ja) * 2002-12-17 2005-05-25 コマツ産機株式会社 プラズマ加工方法
US7186947B2 (en) * 2003-03-31 2007-03-06 Hypertherm, Inc. Process monitor for laser and plasma materials processing of materials
US20060163220A1 (en) * 2005-01-27 2006-07-27 Brandt Aaron D Automatic gas control for a plasma arc torch
WO2007089709A2 (en) * 2006-01-27 2007-08-09 Hypertherm, Inc. Method and apparatus for improved plasma arc torch cut quality
US8530777B2 (en) * 2006-10-20 2013-09-10 Swagelok Company Welding purge control using electronic flow control
FR2917655A1 (fr) * 2007-06-22 2008-12-26 Air Liquide Controle du cycle de percage en coupage plasma.
DE102007035393A1 (de) * 2007-07-26 2009-01-29 Linde Ag Verfahren zum thermischen Schneiden
DE102007035395A1 (de) * 2007-07-26 2009-01-29 Linde Ag Verfahren zum Plasmaschneiden
US8168916B2 (en) * 2008-07-28 2012-05-01 Thermal Dynamics Corporation Enhanced piercing through current profiling
US8354609B2 (en) * 2008-12-22 2013-01-15 Hypertherm, Inc. High quality hole cutting using variable shield gas compositions
US8338739B2 (en) * 2008-12-22 2012-12-25 Hypertherm, Inc. Method and apparatus for cutting high quality internal features and contours
US8541711B2 (en) * 2009-02-20 2013-09-24 Hypertherm, Inc. Internal part feature cutting method and apparatus
JP5565690B2 (ja) * 2010-06-30 2014-08-06 国立大学法人名古屋大学 プラズマ加工方法およびプラズマ加工装置
FR2978930B1 (fr) * 2011-08-10 2014-06-13 Air Liquide Procede de demarrage d'une torche de coupage plasma a arc transfere, et installation associee
US9572242B2 (en) * 2014-05-19 2017-02-14 Lincoln Global, Inc. Air cooled plasma torch and components thereof
US10279417B2 (en) 2015-10-06 2019-05-07 Hypertherm, Inc. Controlling and delivering gases in a plasma arc torch and related systems and methods
CN111225488B (zh) 2015-10-06 2022-09-13 海别得公司 控制等离子体电弧炬以及相关系统和方法
US10195683B2 (en) * 2016-11-14 2019-02-05 Matthew Fagan Metal analyzing plasma CNC cutting machine and associated methods
US10300551B2 (en) * 2016-11-14 2019-05-28 Matthew Fagan Metal analyzing plasma CNC cutting machine and associated methods
US10464159B2 (en) * 2017-06-19 2019-11-05 The Esab Group Inc. Welding apparatus and techniques for elevated pierce current

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116379A (en) * 1974-07-31 1976-02-09 Mitsubishi Heavy Ind Ltd Haikibutsukara enkabinirukeijushio bunbetsukaishusuruhoho
JPS5198652A (ja) * 1975-02-27 1976-08-31 Purazumaaakusetsudanho
JPS59229282A (ja) * 1983-06-10 1984-12-22 Tanaka Seisakusho:Kk 酸素カ−テンプラズマ切断方法
JPS6192782A (ja) * 1984-10-15 1986-05-10 Koike Sanso Kogyo Co Ltd プラズマ切断スタート方法
JPS61289991A (ja) * 1985-06-14 1986-12-19 Mitsubishi Electric Corp レ−ザ加工機
JPH0832858B2 (ja) * 1987-12-28 1996-03-29 日本油脂株式会社 塗料組成物
US5225658A (en) * 1988-03-24 1993-07-06 Kabushiki Kaisha Komatsu Seisakusho Stopping a plasma arc cutter upon completion of cutting
US4861962B1 (en) * 1988-06-07 1996-07-16 Hypertherm Inc Nozzle shield for a plasma arc torch
US5396043A (en) * 1988-06-07 1995-03-07 Hypertherm, Inc. Plasma arc cutting process and apparatus using an oxygen-rich gas shield
JPH0292481A (ja) * 1988-09-28 1990-04-03 Koike Sanso Kogyo Co Ltd 穴明切断方法及び切断装置
JP2867158B2 (ja) * 1989-12-21 1999-03-08 株式会社小松製作所 プラズマ切断方法
JP2640707B2 (ja) * 1991-02-28 1997-08-13 株式会社小松製作所 切断用プラズマトーチ
JP3112116B2 (ja) * 1991-03-20 2000-11-27 株式会社小松製作所 プラズマ切断機及びその制御方法
US5290995A (en) * 1991-12-20 1994-03-01 Esab Welding Products, Inc. Plasma arc cutting system having fluid metering and power control systems
US5414237A (en) * 1993-10-14 1995-05-09 The Esab Group, Inc. Plasma arc torch with integral gas exchange

Also Published As

Publication number Publication date
JPH06226451A (ja) 1994-08-16
EP0681886A1 (de) 1995-11-15
EP0681886A4 (de) 1996-03-20
KR960700123A (ko) 1996-01-19
EP0681886B1 (de) 1998-11-04
US5614110A (en) 1997-03-25
WO1994016857A1 (en) 1994-08-04
DE69414370D1 (de) 1998-12-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee