JPH0331081U - - Google Patents
Info
- Publication number
- JPH0331081U JPH0331081U JP1989090637U JP9063789U JPH0331081U JP H0331081 U JPH0331081 U JP H0331081U JP 1989090637 U JP1989090637 U JP 1989090637U JP 9063789 U JP9063789 U JP 9063789U JP H0331081 U JPH0331081 U JP H0331081U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- nozzle
- workpiece
- capacitance
- detecting
- 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
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の一実施例としてのノズル部分
を示す右半分を断面とした正面図、第２図はギヤ
ツプ量検出およびギヤツプコントロールの回路構
成を示すブロツク図、第３図はギヤツプ量検出時
の第１電極からの電気力線を示す模式図、第４図
はガスの噴出状態を示すノズル先端部分の拡大図
である。
１６……ノズル（第１電極Ａ）、１８……電極
部材（第２電極Ｂ）、１９，２０……絶縁空間、
Ｗ……ワーク。
Fig. 1 is a front view with the right half cut away showing a nozzle portion as an embodiment of the present invention, Fig. 2 is a block diagram showing the circuit configuration of gap amount detection and gap control, and Fig. 3 is a diagram showing the gap amount detection and gap control circuit configuration. FIG. 4 is a schematic diagram showing the lines of electric force from the first electrode during quantity detection, and FIG. 4 is an enlarged view of the nozzle tip showing the state of gas ejection. 16... Nozzle (first electrode A), 18... Electrode member (second electrode B), 19, 20... Insulating space,
W...work.
Claims (1)
ることによりギヤツプコントロールを行うように
したレーザ加工機において、ノズル自体を上記静
電容量を検出するための第１電極とし、このノズ
ル外周側面を絶縁空間を介して覆い上記第１電極
の側面部とワーク間を電磁的に遮閉するための第
２電極を設け、上記第１電極と第２電極との間の
絶縁空間にガスを供給し、この絶縁空間のノズル
先端側からワークに向かつてガスを噴出すること
を特徴とするレーザ加工機のノズル。 In a laser processing machine that performs gap control by detecting the capacitance between the nozzle tip and the workpiece, the nozzle itself is used as the first electrode for detecting the capacitance, and the outer circumference of the nozzle is A second electrode is provided for covering the side surface with an insulating space in between and electromagnetically shielding the side surface of the first electrode and the workpiece, and supplying gas to the insulating space between the first electrode and the second electrode. A nozzle for a laser processing machine characterized by supplying gas and ejecting gas toward a workpiece from the nozzle tip side of this insulated space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989090637U JPH0646636Y2 (en) | 1989-07-31 | 1989-07-31 | Laser processing machine nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989090637U JPH0646636Y2 (en) | 1989-07-31 | 1989-07-31 | Laser processing machine nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0331081U true JPH0331081U (en) | 1991-03-26 |
| JPH0646636Y2 JPH0646636Y2 (en) | 1994-11-30 |
Family
ID=31640152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989090637U Expired - Lifetime JPH0646636Y2 (en) | 1989-07-31 | 1989-07-31 | Laser processing machine nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0646636Y2 (en) |
-
1989
- 1989-07-31 JP JP1989090637U patent/JPH0646636Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0646636Y2 (en) | 1994-11-30 |