ES477762A1 - Perfeccionamientos en los sistemas de soplete de plasma. - Google Patents

Perfeccionamientos en los sistemas de soplete de plasma.

Info

Publication number
ES477762A1
ES477762A1 ES477762A ES477762A ES477762A1 ES 477762 A1 ES477762 A1 ES 477762A1 ES 477762 A ES477762 A ES 477762A ES 477762 A ES477762 A ES 477762A ES 477762 A1 ES477762 A1 ES 477762A1
Authority
ES
Spain
Prior art keywords
torch
voltage
cathode
workpiece
acquisition circuit
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
Application number
ES477762A
Other languages
English (en)
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.)
Thermal Dynamics Corporat corpordelestdelaware
Victor Equipment Co
Original Assignee
Thermal Dynamics Corporat corpordelestdelaware
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 Corporat corpordelestdelaware, Thermal Dynamics Corp filed Critical Thermal Dynamics Corporat corpordelestdelaware
Publication of ES477762A1 publication Critical patent/ES477762A1/es
Expired 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)

Abstract

Perfeccionamientos en los sistemas de soplete de plasma, en los que se genera un arco no transferido entre un cátodo de soplete y una punta de soplete, y comprendiendo dicho sistema además un motor para elevar y bajar la altura del soplete por encima de una pieza de trabajo, caracterizados porque el sistema comprende: medios comparadores que tienen entradas primera y segunda y una salida de señal de error, estando conectada dicha salida de señal de error a dicho motor para elevar y bajar dicho soplete respecto de dicha pieza de trabajo según la magnitud y polaridad de dicha salida de señal de error; medios de control variable para aplicar una tensión de referencia de altura inicial seleccionada a una entrada de dicho comparador; y medios para conectar a dicha segunda entrada de dicho comparador una tensión correspondiente a la tensión entre cátodo de soplete y dicha pieza de trabajo, con lo que se pondrá a cero la tensión de salida de error cuando la altura del soplete por encima de la pieza de trabajo representa un valor determinado por dicha tensión de referencia de altura inicial seleccionada.
ES477762A 1978-05-19 1979-02-15 Perfeccionamientos en los sistemas de soplete de plasma. Expired ES477762A1 (es)

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 (1)

Publication Number Publication Date
ES477762A1 true ES477762A1 (es) 1979-11-01

Family

ID=25424158

Family Applications (1)

Application Number Title Priority Date Filing Date
ES477762A Expired ES477762A1 (es) 1978-05-19 1979-02-15 Perfeccionamientos en los sistemas de soplete de plasma.

Country Status (12)

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

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
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
US4328049A (en) * 1979-03-20 1982-05-04 Caterpillar Tractor Co. Torch height sensing apparatus
WO1980002002A1 (en) * 1979-03-20 1980-10-02 Caterpillar Tractor Co Cutting torch height control apparatus
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
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
DE69131932T2 (de) * 1990-04-17 2000-07-20 Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo Abstandsteuerverfahren einer Plasmaschneidmaschine
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
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
US6947802B2 (en) * 2000-04-10 2005-09-20 Hypertherm, Inc. Centralized control architecture for a laser materials processing system
US6772040B1 (en) 2000-04-10 2004-08-03 Hypertherm, Inc. 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
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

Family Cites Families (10)

* 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
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
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 (es) * 1972-09-19 1977-11-01
FR2223126B1 (es) * 1973-03-26 1978-07-28 Kobe Steel Ltd
JPS5138297B2 (es) * 1973-03-28 1976-10-21
US4017707A (en) * 1974-12-04 1977-04-12 Caterpillar Tractor Co. Method of and means for spacing control of plasma arc torch
JPS5170152A (ja) * 1974-12-16 1976-06-17 Mitsubishi Electric Corp Jidoaakuyosetsukyotoochinoichichoseisochi
DE2706232C3 (de) * 1977-02-15 1980-10-23 Messer Griesheim Gmbh, 6000 Frankfurt Verfahren zur Konstanthaltung des Abstandes eines Werkzeuges von einem zu bearbeitenden Werkstück und Vorrichtung zu dessen Durchführung

Also Published As

Publication number Publication date
BE868655A (fr) 1978-10-16
IT7967439A0 (it) 1979-02-28
AU529329B2 (en) 1983-06-02
GB2021822A (en) 1979-12-05
US4170727A (en) 1979-10-09
JPS54152644A (en) 1979-12-01
CA1121466A (en) 1982-04-06
MX146646A (es) 1982-07-21
FR2426385A1 (fr) 1979-12-14
DE2906751A1 (de) 1979-11-22
GB2021822B (en) 1982-09-08
ZA79583B (en) 1980-02-27
IT1164937B (it) 1987-04-15
AU4437679A (en) 1979-11-22
FR2426385B1 (es) 1985-04-26

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