JPH0160782U - - Google Patents
Info
- Publication number
- JPH0160782U JPH0160782U JP15577487U JP15577487U JPH0160782U JP H0160782 U JPH0160782 U JP H0160782U JP 15577487 U JP15577487 U JP 15577487U JP 15577487 U JP15577487 U JP 15577487U JP H0160782 U JPH0160782 U JP H0160782U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- nozzle
- gas supply
- surrounding
- supply path
- 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.)
- Pending
Links
- 239000007789 gas Substances 0.000 claims description 4
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims 2
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Arc Welding In General (AREA)
Description
第１図は本考案の一実施例を示す図、第２図は
第１図のアルゴンガス噴出口のトーチ軸線に直角
な断面図、第３図及び第４図は、各々従来技術及
び本考案の実施例における陰極と中間ノズル間の
電圧の変化を示す図、第５図は従来技術を示す図
である。
１…陰極、１ａ…陰極本体、１ｂ…陰極部、２
…中間ノズル、３…ノズル、４…アルゴンガス供
給口、５…空気供給口、６…アルゴンガス噴出口
、７…アーク。
FIG. 1 is a diagram showing an embodiment of the present invention, FIG. 2 is a cross-sectional view of the argon gas outlet in FIG. 1 perpendicular to the torch axis, and FIGS. FIG. 5 is a diagram showing the change in voltage between the cathode and the intermediate nozzle in this embodiment, and FIG. 5 is a diagram showing the prior art. 1... Cathode, 1a... Cathode body, 1b... Cathode part, 2
... intermediate nozzle, 3... nozzle, 4... argon gas supply port, 5... air supply port, 6... argon gas jet port, 7... arc.
Claims (1)
路４を形成するごとく設置された中間ノズル２と
、更に前記中間ノズル２を包囲する活性ガス供給
路５を形成するごとく設置されたノズル３より成
るプラズマアークトーチに於て、前記陰極１を、
陰極本体１ａと該陰極本体１ａ先端に、ランタナ
（Ｌａ２Ｏ３）入りタングステンより成る陰極部
１ｂを埋め込んだことを特徴とするプラズマアー
クトーチ。 A cathode 1, an intermediate nozzle 2 installed to form an inert gas supply path 4 surrounding the cathode 1, and a nozzle 3 installed to form an active gas supply path 5 surrounding the intermediate nozzle 2. In a plasma arc torch consisting of the cathode 1,
A plasma arc torch characterized in that a cathode body 1a and a cathode part 1b made of tungsten containing lanthana (La 2 O 3 ) are embedded in the cathode body 1a and the tip of the cathode body 1a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15577487U JPH0160782U (en) | 1987-10-12 | 1987-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15577487U JPH0160782U (en) | 1987-10-12 | 1987-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0160782U true JPH0160782U (en) | 1989-04-18 |
Family
ID=31433698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15577487U Pending JPH0160782U (en) | 1987-10-12 | 1987-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0160782U (en) |
-
1987
- 1987-10-12 JP JP15577487U patent/JPH0160782U/ja active Pending