JPH0121600B2 - - Google Patents
Info
- Publication number
- JPH0121600B2 JPH0121600B2 JP54001210A JP121079A JPH0121600B2 JP H0121600 B2 JPH0121600 B2 JP H0121600B2 JP 54001210 A JP54001210 A JP 54001210A JP 121079 A JP121079 A JP 121079A JP H0121600 B2 JPH0121600 B2 JP H0121600B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- arc
- hollow electrode
- hollow
- plasma
- 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
Links
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 230000007797 corrosion Effects 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 7
- 239000003870 refractory metal Substances 0.000 claims description 4
- 239000012809 cooling fluid Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000000110 cooling liquid Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 54
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 38
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 20
- 229910052721 tungsten Inorganic materials 0.000 description 20
- 239000010937 tungsten Substances 0.000 description 20
- 229910052786 argon Inorganic materials 0.000 description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 14
- 229910052802 copper Inorganic materials 0.000 description 14
- 239000010949 copper Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- 229910052727 yttrium Inorganic materials 0.000 description 9
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 9
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002470 thermal conductor Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
-
- 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
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3421—Transferred arc or pilot arc mode
-
- 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
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3436—Hollow cathodes with internal coolant flow
-
- 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
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3478—Geometrical details
-
- 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
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3484—Convergent-divergent nozzles
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Geometry (AREA)
- Plasma Technology (AREA)
- Discharge Heating (AREA)
- Arc Welding In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782559301A SU745027A1 (ru) | 1978-01-09 | 1978-01-09 | Электродный узел плазматрона |
SU2616102 | 1978-05-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54136193A JPS54136193A (en) | 1979-10-23 |
JPH0121600B2 true JPH0121600B2 (US07488766-20090210-C00029.png) | 1989-04-21 |
Family
ID=26665652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP121079A Granted JPS54136193A (en) | 1978-01-09 | 1979-01-09 | Method of and device for generating plasma in plasma arc torch |
Country Status (9)
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5546266A (en) * | 1978-09-28 | 1980-03-31 | Daido Steel Co Ltd | Plasma torch |
US4549065A (en) * | 1983-01-21 | 1985-10-22 | Technology Application Services Corporation | Plasma generator and method |
DE3328777A1 (de) * | 1983-08-10 | 1985-02-28 | Fried. Krupp Gmbh, 4300 Essen | Plasmabrenner und verfahren zu dessen betreiben |
AT381826B (de) * | 1984-10-11 | 1986-12-10 | Voest Alpine Ag | Plasmabrenner |
JPS61128500A (ja) * | 1984-11-27 | 1986-06-16 | 新日本製鐵株式会社 | 移行形プラズマト−チ |
JPS61128499A (ja) * | 1984-11-27 | 1986-06-16 | 新日本製鐵株式会社 | 移行形プラズマト−チ |
DE3544605A1 (de) * | 1985-12-17 | 1987-06-19 | Linde Ag | Verfahren zum erzeugen eines plasmalichtbogens und plasmalichtbogenbrenner zur durchfuehrung des verfahrens |
US4800716A (en) * | 1986-07-23 | 1989-01-31 | Olin Corporation | Efficiency arcjet thruster with controlled arc startup and steady state attachment |
JPH0658840B2 (ja) * | 1988-04-26 | 1994-08-03 | 新日本製鐵株式会社 | 移行形プラズマトーチ |
DE3840485A1 (de) * | 1988-12-01 | 1990-06-07 | Mannesmann Ag | Fluessigkeitsgekuehlter plasmabrenner mit uebertragenem lichtbogen |
JP2516804B2 (ja) * | 1988-12-26 | 1996-07-24 | 株式会社小松製作所 | プラズマト−チ |
GB8904858D0 (en) * | 1989-03-03 | 1989-04-12 | Tetronics Research & Dev Co Li | Improvements in or relating to plasma arc torches |
DE4022111A1 (de) * | 1990-07-11 | 1992-01-23 | Krupp Gmbh | Plasmabrenner fuer uebertragenen lichtbogen |
DE4034731A1 (de) * | 1990-10-30 | 1992-05-07 | Mannesmann Ag | Plasmabrenner zum schmelzen und warmhalten von in gefaessen zu behandelnden materialien |
NO174450C (no) * | 1991-12-12 | 1994-05-04 | Kvaerner Eng | Anordning ved plasmabrenner for kjemiske prosesser |
JP2939693B2 (ja) * | 1993-11-11 | 1999-08-25 | 株式会社住友シチックス尼崎 | プラズマトーチ用ノズル |
DE19608554C1 (de) * | 1996-03-06 | 1997-07-17 | Anton Wallner | Plasmabrenner für das Plasma-Schutzgas-Lichtbogen-Schweißen mit einer nicht abschmelzenden, wassergekühlten Elektrode |
US6207923B1 (en) | 1998-11-05 | 2001-03-27 | Hypertherm, Inc. | Plasma arc torch tip providing a substantially columnar shield flow |
DE10327911B4 (de) * | 2003-06-20 | 2008-04-17 | Wilhelm Merkle | Plasma-MIG/MAG-Schweißbrenner |
US20070045241A1 (en) * | 2005-08-29 | 2007-03-01 | Schneider Joseph C | Contact start plasma torch and method of operation |
US8389887B2 (en) * | 2008-03-12 | 2013-03-05 | Hypertherm, Inc. | Apparatus and method for a liquid cooled shield for improved piercing performance |
IT1392379B1 (it) * | 2008-12-24 | 2012-03-02 | Cebora Spa | Torcia al plasma ad elevate prestazioni. |
US8581496B2 (en) * | 2011-07-29 | 2013-11-12 | Oaks Plasma, LLC. | Self-igniting long arc plasma torch |
US20160121418A1 (en) * | 2012-01-25 | 2016-05-05 | Gordon Hanka | Welder Powered Arc Starter |
US20140203005A1 (en) * | 2013-01-23 | 2014-07-24 | Gordon R. Hanka | Welder powered arc starter |
US20140230770A1 (en) * | 2013-02-20 | 2014-08-21 | University Of Southern California | Transient plasma electrode for radical generation |
DE102013103508A1 (de) * | 2013-04-09 | 2014-10-09 | PLASMEQ GmbH | Plasmabrenner |
US10167556B2 (en) * | 2014-03-14 | 2019-01-01 | The Board Of Trustees Of The University Of Illinois | Apparatus and method for depositing a coating on a substrate at atmospheric pressure |
CN105554999B (zh) * | 2016-02-16 | 2017-12-01 | 衢州迪升工业设计有限公司 | 一种熔蚀式引弧的等离子体装置 |
KR102594269B1 (ko) * | 2022-11-17 | 2023-10-26 | (주)한국진공야금 | 플라즈마 토치 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3147329A (en) * | 1955-07-26 | 1964-09-01 | Union Carbide Corp | Method and apparatus for heating metal melting furnaces |
NL271417A (US07488766-20090210-C00029.png) * | 1960-11-15 | 1900-01-01 | ||
DE1440541B2 (de) * | 1961-01-31 | 1973-08-09 | Plasmadyne Corp., Santa Ana, Calif. (V.St.A.) | Elektrisches plasmageraet zum erhitzen, schneiden und schweissen eines werkstuecks |
NL284064A (US07488766-20090210-C00029.png) * | 1961-10-06 | |||
US3373306A (en) * | 1964-10-27 | 1968-03-12 | Northern Natural Gas Co | Method and apparatus for the control of ionization in a distributed electrical discharge |
US3575568A (en) * | 1967-06-08 | 1971-04-20 | Rikagaku Kenkyusho | Arc torch |
DD83686A1 (de) * | 1969-07-15 | 1971-08-05 | Flüssigkeitsgekühlte Düse für Plasmabrenner, insbesondere für Plasmaschweisszwecke | |
FR2071176A5 (en) * | 1969-12-19 | 1971-09-17 | Chesnokov Nikolai | Plasma apparatus |
DE2140967C3 (de) * | 1971-08-16 | 1980-04-17 | Messer Griesheim Gmbh, 6000 Frankfurt | Einrichtung zum Plasmaschweißen und -schneiden |
US3832513A (en) * | 1973-04-09 | 1974-08-27 | G Klasson | Starting and stabilizing apparatus for a gas-tungsten arc welding system |
JPS5116379B2 (US07488766-20090210-C00029.png) * | 1973-07-20 | 1976-05-24 | ||
BE809746A (fr) * | 1974-01-15 | 1974-05-02 | Alimentation en courants electriques (continu et alternatif) d'installations de plasmas a hautes temperatures. | |
SU565789A1 (ru) * | 1974-05-17 | 1977-07-25 | Грузинский Ордена Ленина И Ордена Трудового Красного Знамени Политехнический Институт Им.В.И.Ленина | Способ запуска плазмотрона |
CH593754A5 (US07488766-20090210-C00029.png) * | 1976-01-15 | 1977-12-15 | Castolin Sa | |
US4133987A (en) * | 1977-12-07 | 1979-01-09 | Institut Elektrosvarki Imeni E.O. Patona Adakemii Nauk | Electrode assembly for plasma arc torches |
-
1979
- 1979-01-05 DE DE19792900330 patent/DE2900330A1/de not_active Withdrawn
- 1979-01-08 FR FR7900328A patent/FR2414279A1/fr active Granted
- 1979-01-09 AR AR275104A patent/AR223162A1/es active
- 1979-01-09 CS CS79202A patent/CS218814B1/cs unknown
- 1979-01-09 JP JP121079A patent/JPS54136193A/ja active Granted
- 1979-01-09 GB GB7900793A patent/GB2014412B/en not_active Expired
- 1979-01-09 PL PL1979212694A patent/PL115498B1/pl unknown
- 1979-01-09 IT IT19162/79A patent/IT1110815B/it active
-
1983
- 1983-12-30 US US06/565,852 patent/US4564740A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2014412A (en) | 1979-08-22 |
GB2014412B (en) | 1982-04-07 |
PL115498B1 (en) | 1981-04-30 |
IT1110815B (it) | 1986-01-06 |
JPS54136193A (en) | 1979-10-23 |
PL212694A1 (pl) | 1979-09-10 |
US4564740A (en) | 1986-01-14 |
FR2414279B1 (US07488766-20090210-C00029.png) | 1981-07-24 |
AR223162A1 (es) | 1981-07-31 |
CS218814B1 (en) | 1983-02-25 |
FR2414279A1 (fr) | 1979-08-03 |
IT7919162A0 (it) | 1979-01-09 |
DE2900330A1 (de) | 1979-07-12 |
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