CA1098181A - Method and apparatus for positioning a plasma arc cutting torch - Google Patents

Method and apparatus for positioning a plasma arc cutting torch

Info

Publication number
CA1098181A
CA1098181A CA310,251A CA310251A CA1098181A CA 1098181 A CA1098181 A CA 1098181A CA 310251 A CA310251 A CA 310251A CA 1098181 A CA1098181 A CA 1098181A
Authority
CA
Canada
Prior art keywords
torch
signal
vortex
workpiece
pressure
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
CA310,251A
Other languages
English (en)
French (fr)
Inventor
Richard W. Couch, Jr.
William V. Bailey
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.)
Hypertherm Inc
Original Assignee
Hypertherm Inc
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 Hypertherm Inc filed Critical Hypertherm Inc
Application granted granted Critical
Publication of CA1098181A publication Critical patent/CA1098181A/en
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
    • B23K10/00—Welding or cutting by means of a plasma
    • B23K10/006—Control circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Plasma Technology (AREA)
  • Arc Welding In General (AREA)
CA310,251A 1977-10-31 1978-08-29 Method and apparatus for positioning a plasma arc cutting torch Expired CA1098181A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/846,637 US4203022A (en) 1977-10-31 1977-10-31 Method and apparatus for positioning a plasma arc cutting torch
US846,637 1977-10-31

Publications (1)

Publication Number Publication Date
CA1098181A true CA1098181A (en) 1981-03-24

Family

ID=25298489

Family Applications (1)

Application Number Title Priority Date Filing Date
CA310,251A Expired CA1098181A (en) 1977-10-31 1978-08-29 Method and apparatus for positioning a plasma arc cutting torch

Country Status (4)

Country Link
US (1) US4203022A (en, 2012)
JP (1) JPS5466356A (en, 2012)
CA (1) CA1098181A (en, 2012)
GB (1) GB1599200A (en, 2012)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
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FR2447770A1 (fr) * 1979-02-01 1980-08-29 Air Liquide Procede et installation de demarrage automatique d'une torche de coupage plasma
US4324971A (en) * 1980-07-09 1982-04-13 Thermal Dynamics Corporation Torch height acquisition using arc transfer
US4361748A (en) * 1981-01-30 1982-11-30 Couch Jr Richard W Cooling and height sensing system for a plasma arc cutting tool
US4421970A (en) * 1981-01-30 1983-12-20 Hypertherm, Incorporated Height sensing system for a plasma arc cutting tool
US4816637A (en) * 1985-11-25 1989-03-28 Hypertherm, Inc. Underwater and above-water plasma arc cutting torch and method
US4791268A (en) * 1987-01-30 1988-12-13 Hypertherm, Inc. Arc plasma torch and method using contact starting
US4902871A (en) * 1987-01-30 1990-02-20 Hypertherm, Inc. Apparatus and process for cooling a plasma arc electrode
JPH01146559U (en, 2012) * 1988-03-30 1989-10-09
US5070227A (en) * 1990-04-24 1991-12-03 Hypertherm, Inc. Proceses and apparatus for reducing electrode wear in a plasma arc torch
US5166494A (en) * 1990-04-24 1992-11-24 Hypertherm, Inc. Process and apparatus for reducing electrode wear in 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
US5164568A (en) * 1989-10-20 1992-11-17 Hypertherm, Inc. Nozzle for a plasma arc torch having an angled inner surface to facilitate and control arc ignition
IT1243170B (it) * 1990-11-29 1994-05-24 Trafimet Trafilerie Metalliche Torcia per taglio al plasma con innesco per contatto
US5208441A (en) * 1991-04-29 1993-05-04 Century Manufacturing Co. Plasma arc ignition system
US5194715A (en) * 1991-11-27 1993-03-16 Esab Welding Products, Inc. Plasma arc torch used in underwater cutting
US5635088A (en) 1995-01-04 1997-06-03 Hypertherm, Inc. Liquid cooled plasma arc torch system and method for replacing a torch in such system
FI964347A7 (fi) * 1996-10-28 1998-04-29 Plasma Modules Oy Plasmapoltin
US5900169A (en) * 1997-06-06 1999-05-04 Hypertherm, Inc. Safety circuit for a blow forward contact start plasma arc torch
US6028287A (en) * 1997-07-25 2000-02-22 Hyperthem, Inc. Plasma arc torch position control
US6326583B1 (en) 2000-03-31 2001-12-04 Innerlogic, Inc. Gas control system for a plasma arc torch
US6498317B2 (en) 1998-10-23 2002-12-24 Innerlogic, Inc. Process for operating a plasma arc torch
US6677551B2 (en) * 1998-10-23 2004-01-13 Innerlogic, Inc. Process for operating a plasma arc torch
US6163009A (en) * 1998-10-23 2000-12-19 Innerlogic, Inc. Process for operating a plasma arc torch
JP2004527878A (ja) * 2001-03-09 2004-09-09 ハイパーサーム インコーポレイテッド プラズマアークトーチ用複合電極
US8764978B2 (en) 2001-07-16 2014-07-01 Foret Plasma Labs, Llc System for treating a substance with wave energy from an electrical arc and a second source
US7622693B2 (en) 2001-07-16 2009-11-24 Foret Plasma Labs, Llc Plasma whirl reactor apparatus and methods of use
US6969819B1 (en) * 2004-05-18 2005-11-29 The Esab Group, Inc. Plasma arc torch
US7134321B2 (en) * 2004-07-20 2006-11-14 Asml Holding N.V. Fluid gauge proximity sensor and method of operating same using a modulated fluid flow
US20070045241A1 (en) * 2005-08-29 2007-03-01 Schneider Joseph C Contact start plasma torch and method of operation
US7578168B2 (en) * 2007-06-27 2009-08-25 Asml Holding N.V. Increasing gas gauge pressure sensitivity using nozzle-face surface roughness
US10267106B2 (en) 2007-10-16 2019-04-23 Foret Plasma Labs, Llc System, method and apparatus for treating mining byproducts
US9445488B2 (en) 2007-10-16 2016-09-13 Foret Plasma Labs, Llc Plasma whirl reactor apparatus and methods of use
US9516736B2 (en) 2007-10-16 2016-12-06 Foret Plasma Labs, Llc System, method and apparatus for recovering mining fluids from mining byproducts
US9560731B2 (en) 2007-10-16 2017-01-31 Foret Plasma Labs, Llc System, method and apparatus for an inductively coupled plasma Arc Whirl filter press
US9230777B2 (en) 2007-10-16 2016-01-05 Foret Plasma Labs, Llc Water/wastewater recycle and reuse with plasma, activated carbon and energy system
US8810122B2 (en) 2007-10-16 2014-08-19 Foret Plasma Labs, Llc Plasma arc torch having multiple operating modes
US11806686B2 (en) 2007-10-16 2023-11-07 Foret Plasma Labs, Llc System, method and apparatus for creating an electrical glow discharge
US9761413B2 (en) 2007-10-16 2017-09-12 Foret Plasma Labs, Llc High temperature electrolysis glow discharge device
US9051820B2 (en) * 2007-10-16 2015-06-09 Foret Plasma Labs, Llc System, method and apparatus for creating an electrical glow discharge
US8278810B2 (en) * 2007-10-16 2012-10-02 Foret Plasma Labs, Llc Solid oxide high temperature electrolysis glow discharge cell
US9185787B2 (en) 2007-10-16 2015-11-10 Foret Plasma Labs, Llc High temperature electrolysis glow discharge device
EP2255081B1 (en) 2008-02-12 2018-09-05 Foret Plasma Labs, Llc System, method and apparatus for lean combustion with plasma from an electrical arc
US8904749B2 (en) 2008-02-12 2014-12-09 Foret Plasma Labs, Llc Inductively coupled plasma arc device
US10244614B2 (en) 2008-02-12 2019-03-26 Foret Plasma Labs, Llc System, method and apparatus for plasma arc welding ceramics and sapphire
ES2572942T3 (es) * 2010-07-16 2016-06-03 Hypertherm, Inc. Detección de casos de fallo en un soplete de arco de plasma
US9949356B2 (en) 2012-07-11 2018-04-17 Lincoln Global, Inc. Electrode for a plasma arc cutting torch
US8904912B2 (en) 2012-08-16 2014-12-09 Omax Corporation Control valves for waterjet systems and related devices, systems, and methods
WO2014093560A1 (en) 2012-12-11 2014-06-19 Foret Plasma Labs, Llc High temperature countercurrent vortex reactor system, method and apparatus
WO2014165255A1 (en) 2013-03-12 2014-10-09 Foret Plasma Labs, Llc Apparatus and method for sintering proppants
US10149376B2 (en) * 2014-12-11 2018-12-04 Hypertherm, Inc. Water injection and venting of a plasma arc torch
US11554461B1 (en) 2018-02-13 2023-01-17 Omax Corporation Articulating apparatus of a waterjet system and related technology
US12051316B2 (en) 2019-12-18 2024-07-30 Hypertherm, Inc. Liquid jet cutting head sensor systems and methods
US12064893B2 (en) 2020-03-24 2024-08-20 Hypertherm, Inc. High-pressure seal for a liquid jet cutting system
EP4127479A1 (en) 2020-03-30 2023-02-08 Hypertherm, Inc. Cylinder for a liquid jet pump with multi-functional interfacing longitudinal ends

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3082314A (en) * 1959-04-20 1963-03-19 Shin Meiwa Kogyo Kabushiki Kai Plasma arc torch
US3366772A (en) * 1964-07-20 1968-01-30 Union Carbide Corp Plasma arc cutting with swirl flow
DE1267066B (de) * 1965-08-11 1968-04-25 Messer Griesheim Ges Mit Besch Einrichtung zur Hoehen- oder Seitenverstellung eines Schweiss- oder Schneidbrenners
US3579068A (en) * 1968-03-11 1971-05-18 Air Reduction Servo controlled height control
SE331199B (en, 2012) * 1970-03-11 1970-12-14 Mecman Ab
US3641810A (en) * 1970-06-01 1972-02-15 Corning Glass Works Noncontacting sensor apparatus
US3641308A (en) * 1970-06-29 1972-02-08 Chemetron Corp Plasma arc torch having liquid laminar flow jet for arc constriction
US3712318A (en) * 1970-10-21 1973-01-23 Bowles Fluidics Corp Vortex proximity sensor with increased sensing range
US3709027A (en) * 1971-01-22 1973-01-09 Automatic Switch Co Proximity sensing device
US3819840A (en) * 1972-05-18 1974-06-25 Steel Corp Control system for torch current in a plasma arc furnace

Also Published As

Publication number Publication date
GB1599200A (en) 1981-09-30
US4203022A (en) 1980-05-13
JPS6315069B2 (en, 2012) 1988-04-02
JPS5466356A (en) 1979-05-28

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