JPS6246279B2 - - Google Patents
Info
- Publication number
- JPS6246279B2 JPS6246279B2 JP55121682A JP12168280A JPS6246279B2 JP S6246279 B2 JPS6246279 B2 JP S6246279B2 JP 55121682 A JP55121682 A JP 55121682A JP 12168280 A JP12168280 A JP 12168280A JP S6246279 B2 JPS6246279 B2 JP S6246279B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- sensing device
- shielding member
- focal point
- laser beam
- 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
- 230000003287 optical effect Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims 2
- 230000010355 oscillation Effects 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Automatic Focus Adjustment (AREA)
- Laser Beam Processing (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55121682A JPS5746215A (en) | 1980-09-02 | 1980-09-02 | Method and device for detecting focal position in laser machining apparatus |
| GB8126508A GB2083216B (en) | 1980-09-02 | 1981-09-01 | Determining the focus position of focused beams |
| DE19813134555 DE3134555A1 (de) | 1980-09-02 | 1981-09-01 | "verfahren und einrichtung zur bestimmung der fokussierposition bei lasereinrichtungen, insbesondere laser-bearbeitungsmaschinen u.dgl." |
| AU74807/81A AU552364B2 (en) | 1980-09-02 | 1981-09-01 | Laser cutting |
| IT49209/81A IT1142728B (it) | 1980-09-02 | 1981-09-01 | Procedimento ed apparecchio per rivelare la posizione di focalizzazione in apparecchi di trattamento a mezzo laser |
| US06/298,329 US4472055A (en) | 1980-09-02 | 1981-09-01 | Method and apparatus for detecting the focusing position in a laser machining apparatus |
| SE8105214A SE447972B (sv) | 1980-09-02 | 1981-09-02 | Sett och detektor for att detektera fokuspositionen for en med laser arbetande bearbetningsanordning |
| CA000385022A CA1173662A (en) | 1980-09-02 | 1981-09-02 | Method and apparatus for detecting the focusing position in laser processing apparatus |
| FR8116724A FR2489195B1 (fr) | 1980-09-02 | 1981-09-02 | Methode et appareil pour detecter la position de mise au point dans un appareil de traitement par laser |
| CH5655/81A CH656568A5 (de) | 1980-09-02 | 1981-09-02 | Verfahren und vorrichtung zur detektion des brennpunktes eines laserstrahles in einer laserwerkzeugmaschine. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55121682A JPS5746215A (en) | 1980-09-02 | 1980-09-02 | Method and device for detecting focal position in laser machining apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5746215A JPS5746215A (en) | 1982-03-16 |
| JPS6246279B2 true JPS6246279B2 (et) | 1987-10-01 |
Family
ID=14817260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55121682A Granted JPS5746215A (en) | 1980-09-02 | 1980-09-02 | Method and device for detecting focal position in laser machining apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5746215A (et) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0465684U (et) * | 1990-10-11 | 1992-06-08 |
-
1980
- 1980-09-02 JP JP55121682A patent/JPS5746215A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0465684U (et) * | 1990-10-11 | 1992-06-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5746215A (en) | 1982-03-16 |
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