JPH01151978U - - Google Patents
Info
- Publication number
- JPH01151978U JPH01151978U JP4438888U JP4438888U JPH01151978U JP H01151978 U JPH01151978 U JP H01151978U JP 4438888 U JP4438888 U JP 4438888U JP 4438888 U JP4438888 U JP 4438888U JP H01151978 U JPH01151978 U JP H01151978U
- Authority
- JP
- Japan
- Prior art keywords
- torch
- plasma arc
- pilot arc
- electrode
- power supply
- 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.)
- Granted
Links
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Description
第１図は本考案の実施例を示す図、第２図は従
来の装置の例を示す図である。
１……トーチ本体、２……加工用電源装置、３
……被加工物、１２……主電極、１３……チツプ
電極、１４……保護カツプ、１５……起動指令用
押ボタンスイツチ、１６ａ，１６ｂ，１９ａ，１
９ｂ……高周波チヨークコイル、１７ａ，１７ｂ
，１８……カツプ装着検出用電極、２１……出力
制御部、２４……高周波発生手段、２５……カツ
プリングコイル、２６ａ，２６ｂ，２６ｃ，２６
ｄ……バイパス用コンデンサ、２７ａ，２７ｂ，
２７ｃ，２７ｄ……高周波チヨークコイル。
FIG. 1 is a diagram showing an embodiment of the present invention, and FIG. 2 is a diagram showing an example of a conventional device. 1...Torch body, 2...Processing power supply device, 3
... Workpiece, 12 ... Main electrode, 13 ... Chip electrode, 14 ... Protective cup, 15 ... Push button switch for start command, 16a, 16b, 19a, 1
9b...High frequency chiyoke coil, 17a, 17b
, 18... Electrode for detecting cup attachment, 21... Output control section, 24... High frequency generating means, 25... Coupling coil, 26a, 26b, 26c, 26
d...Bypass capacitor, 27a, 27b,
27c, 27d...High frequency chiyoke coil.
Claims (1)
に重畳することによつて主電極とチツプ電極との
間にパイロツトアークを点弧するようにしたプラ
ズマアーク加工に用いるトーチにおいて、トーチ
に取付けられた制御用部品からの信号取り出し用
ケーブルをトーチ内部に取りつけた高周波阻止用
チヨークコイルと直列に接続して引出したプラズ
マアーク加工用トーチ。 A control component attached to the torch used in plasma arc processing, which ignites a pilot arc between the main electrode and the tip electrode by superimposing a high-frequency voltage on the pilot arc power supply circuit. A torch for plasma arc processing in which a cable for extracting signals is connected in series with a high-frequency blocking coil installed inside the torch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4438888U JPH0527263Y2 (en) | 1988-03-31 | 1988-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4438888U JPH0527263Y2 (en) | 1988-03-31 | 1988-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01151978U true JPH01151978U (en) | 1989-10-19 |
| JPH0527263Y2 JPH0527263Y2 (en) | 1993-07-12 |
Family
ID=31270748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4438888U Expired - Lifetime JPH0527263Y2 (en) | 1988-03-31 | 1988-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0527263Y2 (en) |
-
1988
- 1988-03-31 JP JP4438888U patent/JPH0527263Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0527263Y2 (en) | 1993-07-12 |
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