GB1520000A - Plasma arc torches - Google Patents
Plasma arc torchesInfo
- Publication number
- GB1520000A GB1520000A GB40471/75A GB4047175A GB1520000A GB 1520000 A GB1520000 A GB 1520000A GB 40471/75 A GB40471/75 A GB 40471/75A GB 4047175 A GB4047175 A GB 4047175A GB 1520000 A GB1520000 A GB 1520000A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- nozzle
- passages
- torch
- cooperate
- 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
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
- H05H1/28—Cooling arrangements
-
- 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
- H05H1/3423—Connecting means, e.g. electrical connecting means or fluid connections
-
- 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
- H05H1/3442—Cathodes with inserted tip
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Geometry (AREA)
- Arc Welding In General (AREA)
- Plasma Technology (AREA)
Abstract
1520000 Plasma torch VSES N I PROEKTNOKONSTRUKT I TEKHNOLOGICHE INST ELEKTROSVAROCH OBORUDOV 3 Oct 1975 [10 Oct 1974 (2)] 40471/75 Heading H5H A plasma torch comprises two parts A and B detachably secured together in a fluid tight manner, the part A including an electrode holder 1, an electrode 2 with an active insert 3 mounted in the holder 1, a nozzle 4, a terminal 6 connected to the nozzle, an electrical insulator 7 between the holder 1 and nozzle 4, and passages 8, 9, 10,11 and 12 for plasma forming gas and coolant which terminate on a surface of part A which mates with a complementary surface of part B, and the part B including a terminal 16 for the electrode holder 1 and passageways 17, 18; 19, 20; 21, 22; 23, 24; 25, 26 for connection at the mating surfaces of the parts A and B to the corresponding passages 8, 9, 10, 11 and 12 of the part A. This arrangement enables the part A to be removed and replaced when it is worn simply by undoing nut 15. The nozzle 4 and electrode 2 are made of copper and the insert 3 is made of zirconium, tungsten, hafnium or alloys thereof. Passages 17, 18 and 8 cooperate for the supply of plasma gas to the torch. Passages 19, 20 and 9 cooperate to supply coolant (water) to the electrode 2 and passages 21, 22 and 10 cooperate to exhaust coolant from the electrode. Passages 23, 24 and 11 cooperate to supply coolant to nozzle 4 and passages 25, 26 and 12 cooperate to exhaust coolant from the nozzle 4. Fluid tight seals 13, 14 are provided between the mating surfaces of the parts A, B. Plasma forming gases may be compressed air, oxygen, carbon dioxide, argon, nitrogen, hydrogen, helium or mixtures thereof. The arc is initiated by an oscillator connected between the work 27 and the nozzle 4 via terminal 6. Once initiated the main arc is struck between the electrode insert 3 and the workpiece 27. The torch may operate under straight or reverse polarity. The plasma gas is given a vortex flow. Part B is held in a traversing mechanism. The specification gives dimensional criteria of the nozzle and electrode necessary for maximizing cutting speed when the torch is used for cutting. The insert 3 is inserted in a reentrant projection of the electrode 2 so that it may be efficiently cooled. Fins (Fig. 5, not shown) between the reentrant projection and the wall of the electrode 2 to improve cooling. The torch may be used for cutting metals on an automatic production line.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2063302 | 1974-10-10 | ||
SU2063301A SU559787A1 (en) | 1974-10-10 | 1974-10-10 | Plasma torch |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1520000A true GB1520000A (en) | 1978-08-02 |
Family
ID=26665534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB40471/75A Expired GB1520000A (en) | 1974-10-10 | 1975-10-03 | Plasma arc torches |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2545495C2 (en) |
GB (1) | GB1520000A (en) |
SE (1) | SE415540B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2646310A1 (en) * | 1989-04-24 | 1990-10-26 | Inst Elektroswarki Patona | Enhancement to a plasmatron |
US5416296A (en) * | 1994-03-11 | 1995-05-16 | American Torch Tip Company | Electrode for plasma arc torch |
US9024228B2 (en) | 2006-10-18 | 2015-05-05 | Komatsu Ltd. | Plasma cutting device, plasma torch, and cooling device for plasma torch |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8132660U1 (en) * | 1981-11-07 | 1983-04-28 | Haferkamp, Heinz, Prof. Dr.-Ing., 3340 Wolfenbüttel | Plasma cutting torch |
DE3216557C1 (en) * | 1982-05-04 | 1983-12-15 | Messer Griesheim Gmbh, 6000 Frankfurt | Plasma-powder surfacing torch |
CZ308703B6 (en) * | 2020-02-05 | 2021-03-03 | B&Bartoni, spol. s r.o. | Electrode set for plasma arc torch with improved electric current transfer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1440628B2 (en) * | 1955-07-26 | 1971-04-22 | Union Carbide Corp , New York, N Y (V St A) | ARC BURNER FOR AN ARC FURNACE |
NL290760A (en) * | 1962-03-30 | |||
SU353494A1 (en) * | 1969-01-08 | 1980-05-05 | Bykhovskij D G | Cathode for electric arc processes in active media |
BE795236A (en) * | 1972-02-09 | 1973-05-29 | Vysoka Skola Banska Ostrava | PLASMA BURNER WITH AXIAL STABILIZING GAS SUPPLY |
-
1975
- 1975-10-03 GB GB40471/75A patent/GB1520000A/en not_active Expired
- 1975-10-09 SE SE7511350A patent/SE415540B/en not_active IP Right Cessation
- 1975-10-10 DE DE2545495A patent/DE2545495C2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2646310A1 (en) * | 1989-04-24 | 1990-10-26 | Inst Elektroswarki Patona | Enhancement to a plasmatron |
US5416296A (en) * | 1994-03-11 | 1995-05-16 | American Torch Tip Company | Electrode for plasma arc torch |
US9024228B2 (en) | 2006-10-18 | 2015-05-05 | Komatsu Ltd. | Plasma cutting device, plasma torch, and cooling device for plasma torch |
Also Published As
Publication number | Publication date |
---|---|
SE415540B (en) | 1980-10-13 |
DE2545495A1 (en) | 1976-04-22 |
DE2545495C2 (en) | 1982-03-25 |
SE7511350L (en) | 1976-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |