JPS57159285A - Laser working device - Google Patents
Laser working deviceInfo
- Publication number
- JPS57159285A JPS57159285A JP56044811A JP4481181A JPS57159285A JP S57159285 A JPS57159285 A JP S57159285A JP 56044811 A JP56044811 A JP 56044811A JP 4481181 A JP4481181 A JP 4481181A JP S57159285 A JPS57159285 A JP S57159285A
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- working
- brightness
- lens
- driving mechanism
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
PURPOSE:To improve quality and efficiency of laser working by setting a working nozzle and a condenser to proper position automatically in laser working. CONSTITUTION:The distance between a working nozzle 8 and the surface of a work is measured by a nozzle position detector 10, and shifting of the working nozzle to a position suitable for the purpose is instructed by an arithmetic circuit 11. The position of the working nozzle 8 is set automatically by a nozzle position driving mechanism 12. Then, a laser beam is irradiated on the surface of the work 6 to generate plasma that has brightness proportionate to the output density. The brightness of plasma is measured by a photo-sensor 16 and a brightness measuring device 15 while moving the lens along Z-axis by a lens driving mechanism 13. Signals from the brightness measuring device 15 and a position reading device 14 are inputted to a control device 17. The position of the lens on the Z-axis at which brightness becomes maximum is operated and inputted to the driving mechanism 13, and the position of the lens is set automatically to bring the work at focus.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56044811A JPS57159285A (en) | 1981-03-27 | 1981-03-27 | Laser working device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56044811A JPS57159285A (en) | 1981-03-27 | 1981-03-27 | Laser working device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57159285A true JPS57159285A (en) | 1982-10-01 |
Family
ID=12701807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56044811A Pending JPS57159285A (en) | 1981-03-27 | 1981-03-27 | Laser working device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57159285A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0117751A2 (en) * | 1983-02-28 | 1984-09-05 | Kawasaki Steel Corporation | An apparatus for butt welding steel strips by using laser beam in a steel strip-processing line |
FR2564349A1 (en) * | 1984-05-17 | 1985-11-22 | Benedite Claude Laser Tech | Laser-ray machine head with automatic correction of the position of the focal plane |
US5061839A (en) * | 1990-03-06 | 1991-10-29 | Mitsubishi Denki K.K. | Laser beam machining apparatus |
JPH0433481U (en) * | 1990-07-17 | 1992-03-18 | ||
JPH06254691A (en) * | 1993-03-08 | 1994-09-13 | Mitsubishi Electric Corp | Laser beam machine and method for setting focus of laser beam machine |
JP2001096386A (en) * | 1999-08-11 | 2001-04-10 | Matsushita Electric Ind Co Ltd | Method of and equipment for positioning focal point of laser beam |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5274197A (en) * | 1975-12-17 | 1977-06-21 | Hitachi Ltd | Laser working machine |
JPS53121295A (en) * | 1977-03-30 | 1978-10-23 | Hitachi Ltd | Laser machining equipment |
-
1981
- 1981-03-27 JP JP56044811A patent/JPS57159285A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5274197A (en) * | 1975-12-17 | 1977-06-21 | Hitachi Ltd | Laser working machine |
JPS53121295A (en) * | 1977-03-30 | 1978-10-23 | Hitachi Ltd | Laser machining equipment |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0117751A2 (en) * | 1983-02-28 | 1984-09-05 | Kawasaki Steel Corporation | An apparatus for butt welding steel strips by using laser beam in a steel strip-processing line |
FR2564349A1 (en) * | 1984-05-17 | 1985-11-22 | Benedite Claude Laser Tech | Laser-ray machine head with automatic correction of the position of the focal plane |
US5061839A (en) * | 1990-03-06 | 1991-10-29 | Mitsubishi Denki K.K. | Laser beam machining apparatus |
JPH0433481U (en) * | 1990-07-17 | 1992-03-18 | ||
JPH06254691A (en) * | 1993-03-08 | 1994-09-13 | Mitsubishi Electric Corp | Laser beam machine and method for setting focus of laser beam machine |
JP2001096386A (en) * | 1999-08-11 | 2001-04-10 | Matsushita Electric Ind Co Ltd | Method of and equipment for positioning focal point of laser beam |
JP4537548B2 (en) * | 1999-08-11 | 2010-09-01 | パナソニック株式会社 | Method and apparatus for determining the focal position of a laser |
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