FR2426385A1 - Circuit de determination de hauteur d'une torche au plasma, notamment pour le soudage ou le decoupage - Google Patents

Circuit de determination de hauteur d'une torche au plasma, notamment pour le soudage ou le decoupage

Info

Publication number
FR2426385A1
FR2426385A1 FR7905329A FR7905329A FR2426385A1 FR 2426385 A1 FR2426385 A1 FR 2426385A1 FR 7905329 A FR7905329 A FR 7905329A FR 7905329 A FR7905329 A FR 7905329A FR 2426385 A1 FR2426385 A1 FR 2426385A1
Authority
FR
France
Prior art keywords
voltage
height
torch
welding
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.)
Granted
Application number
FR7905329A
Other languages
English (en)
French (fr)
Other versions
FR2426385B1 (https=
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.)
Victor Equipment Co
Original Assignee
Thermal Dynamics Corp
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 Thermal Dynamics Corp filed Critical Thermal Dynamics Corp
Publication of FR2426385A1 publication Critical patent/FR2426385A1/fr
Application granted granted Critical
Publication of FR2426385B1 publication Critical patent/FR2426385B1/fr
Granted 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
    • B23K9/00—Arc welding or cutting
    • B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
    • B23K9/073—Stabilising the arc
    • B23K9/0735—Stabilising of the arc length
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)
  • Arc Welding Control (AREA)
FR7905329A 1978-05-19 1979-03-01 Circuit de determination de hauteur d'une torche au plasma, notamment pour le soudage ou le decoupage Granted FR2426385A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/907,476 US4170727A (en) 1978-05-19 1978-05-19 Thermal torch height acquisition circuit

Publications (2)

Publication Number Publication Date
FR2426385A1 true FR2426385A1 (fr) 1979-12-14
FR2426385B1 FR2426385B1 (https=) 1985-04-26

Family

ID=25424158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7905329A Granted FR2426385A1 (fr) 1978-05-19 1979-03-01 Circuit de determination de hauteur d'une torche au plasma, notamment pour le soudage ou le decoupage

Country Status (12)

Country Link
US (1) US4170727A (https=)
JP (1) JPS54152644A (https=)
AU (1) AU529329B2 (https=)
BE (1) BE868655A (https=)
CA (1) CA1121466A (https=)
DE (1) DE2906751A1 (https=)
ES (1) ES477762A1 (https=)
FR (1) FR2426385A1 (https=)
GB (1) GB2021822B (https=)
IT (1) IT1164937B (https=)
MX (1) MX146646A (https=)
ZA (1) ZA79583B (https=)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5527427A (en) * 1978-08-15 1980-02-27 Kawasaki Heavy Ind Ltd Detecting method in arc welding and other
DE2848957C2 (de) * 1978-11-11 1985-08-29 Messer Griesheim Ltd., Whitley Bay, Tyne and Wear Verfahren und Vorrichtung zum automatischen Einstellen der Anfangshöhe eines Schneidbrenners von einem Werkstück
FR2447770A1 (fr) * 1979-02-01 1980-08-29 Air Liquide Procede et installation de demarrage automatique d'une torche de coupage plasma
US4328049A (en) * 1979-03-20 1982-05-04 Caterpillar Tractor Co. Torch height sensing apparatus
BR7908993A (pt) * 1979-03-20 1981-02-03 Caterpillar Tractor Co Dispositivo de controle da distancia de pelo menos um macarico de corte a um ponto de referencia
JPS6051948B2 (ja) * 1979-03-20 1985-11-16 キヤタピラ− トラツクタ− カンパニイ ト−チ高さ検出装置及び検出方法
US4324971A (en) * 1980-07-09 1982-04-13 Thermal Dynamics Corporation Torch height acquisition using arc transfer
JPS584321A (ja) * 1981-06-25 1983-01-11 Mitsubishi Electric Corp 放電加工制御装置
FR2535992B1 (fr) * 1982-11-12 1985-10-11 Soudure Autogene Francaise Dispositif d'amorcage par haute frequence et electrode auxiliaire d'un arc electrique de soudage ou de coupage
US4559439A (en) * 1983-01-21 1985-12-17 Plasma Energy Corporation Field convertible plasma generator and its method of operation
DE3512033C2 (de) * 1985-04-02 1987-04-30 Messer Griesheim Gmbh, 6000 Frankfurt Verfahren und Vorrichtung zum automatischen Einstellen der Anfangshöhe eines Brenners
US4663515A (en) * 1985-11-04 1987-05-05 Thermal Dynamics Corporation Plasma-arc torch interlock with flow sensing
US4780591A (en) * 1986-06-13 1988-10-25 The Perkin-Elmer Corporation Plasma gun with adjustable cathode
JPH0653317B2 (ja) * 1986-07-02 1994-07-20 オリジン電気株式会社 プラズマジエツト装置
US4795882A (en) * 1987-02-09 1989-01-03 Hardwick Steven F Torch positioning apparatus
US4766286A (en) * 1987-07-30 1988-08-23 United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Arc length control for plasma welding
JPH0818137B2 (ja) * 1990-04-17 1996-02-28 株式会社小松製作所 プラズマトーチのスタンドオフ制御装置
EP0795373B1 (en) * 1990-04-17 2000-01-19 Kabushiki Kaisha Komatsu Seisakusho Standoff control method for plasma cutting machine
JPH0818138B2 (ja) * 1990-04-17 1996-02-28 株式会社小松製作所 プラズマ加工機のスタンドオフ制御方法
JP2641092B2 (ja) * 1995-07-31 1997-08-13 株式会社小松製作所 プラズマトーチのスタンドオフ制御装置
DE19713352A1 (de) * 1997-03-29 1998-10-01 Deutsch Zentr Luft & Raumfahrt Plasmabrennersystem
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
US6947802B2 (en) * 2000-04-10 2005-09-20 Hypertherm, Inc. Centralized control architecture for a laser materials processing system
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
EP2969345B1 (en) * 2013-03-15 2021-10-20 The Esab Group, Inc. Process parameter detection using flame electrical characteristics in oxy-fuel thermal processing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1913126A1 (de) * 1968-04-22 1969-11-06 Linde Ag Verfahren und Vorrichtung zur Fuehrung eines Objektes in einem konstanten Abstand zu und entlang einem vorgegebenen Weg
FR2223126A1 (https=) * 1973-03-26 1974-10-25 Kobe Steel Ltd
FR2293278A1 (fr) * 1974-12-04 1976-07-02 Caterpillar Tractor Co Procede de commande d'espacement et dispositif pour commande d'espacement de torche a arc plasma
DE2706232A1 (de) * 1977-02-15 1978-08-17 Messer Griesheim Gmbh Verfahren zur konstanthaltung des abstandes eines werkzeuges von einem zu bearbeitenden werkstueck

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2832000A (en) * 1954-10-08 1958-04-22 Air Reduction Method and apparatus for electric arc welding
US3809308A (en) * 1969-08-16 1974-05-07 Messer Griesheim Gmbh Machine for maintaining constant the distance of a cutting or welding torch from the work piece
US3596050A (en) * 1970-05-05 1971-07-27 Union Carbide Corp Automatic torch height control
JPS5243780B2 (https=) * 1972-09-19 1977-11-01
JPS5138297B2 (https=) * 1973-03-28 1976-10-21
JPS5170152A (ja) * 1974-12-16 1976-06-17 Mitsubishi Electric Corp Jidoaakuyosetsukyotoochinoichichoseisochi

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1913126A1 (de) * 1968-04-22 1969-11-06 Linde Ag Verfahren und Vorrichtung zur Fuehrung eines Objektes in einem konstanten Abstand zu und entlang einem vorgegebenen Weg
FR2223126A1 (https=) * 1973-03-26 1974-10-25 Kobe Steel Ltd
FR2293278A1 (fr) * 1974-12-04 1976-07-02 Caterpillar Tractor Co Procede de commande d'espacement et dispositif pour commande d'espacement de torche a arc plasma
DE2706232A1 (de) * 1977-02-15 1978-08-17 Messer Griesheim Gmbh Verfahren zur konstanthaltung des abstandes eines werkzeuges von einem zu bearbeitenden werkstueck

Also Published As

Publication number Publication date
IT7967439A0 (it) 1979-02-28
GB2021822A (en) 1979-12-05
US4170727A (en) 1979-10-09
CA1121466A (en) 1982-04-06
JPS54152644A (en) 1979-12-01
AU529329B2 (en) 1983-06-02
DE2906751A1 (de) 1979-11-22
MX146646A (es) 1982-07-21
FR2426385B1 (https=) 1985-04-26
IT1164937B (it) 1987-04-15
GB2021822B (en) 1982-09-08
AU4437679A (en) 1979-11-22
BE868655A (fr) 1978-10-16
ZA79583B (en) 1980-02-27
ES477762A1 (es) 1979-11-01

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Legal Events

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