WO1993021672A1 - Controller for laser oscillator - Google Patents
Controller for laser oscillator Download PDFInfo
- Publication number
- WO1993021672A1 WO1993021672A1 PCT/JP1993/000450 JP9300450W WO9321672A1 WO 1993021672 A1 WO1993021672 A1 WO 1993021672A1 JP 9300450 W JP9300450 W JP 9300450W WO 9321672 A1 WO9321672 A1 WO 9321672A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- value
- laser oscillator
- laser
- laser output
- output
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/0014—Monitoring arrangements not otherwise provided for
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
Definitions
- the present invention relates to a laser oscillator control device that controls a laser oscillator, and more particularly to a laser oscillator control device that manages the life of a discharge tube, an oscillation lamp, and the like.
- the cause is not necessarily caused by the consumption of the discharge tube or the oscillation lamp. Therefore, when replacing the laser oscillator after it has stopped operating, it took time and effort to investigate the cause of the operation stop, and it took a long time to recover the laser oscillator.
- an object of the present invention is to provide a laser oscillator control device that can notify an operator of an appropriate replacement time of consumable parts such as a discharge tube and an oscillation lamp. I do.
- the present invention provides a laser oscillator control device that controls a laser oscillator, wherein a multiplication value of a laser output instantaneous value of the laser oscillator and a use time is calculated, and the multiplication value is calculated by the laser oscillator.
- a laser output calculating means for calculating an integrated laser output value from the time of replacement of the part;
- a use time calculating means for calculating a usage time integrated value obtained by integrating the total use time since the replacement of the part;
- a laser oscillator control device characterized by comprising: a teaching means for notifying an operator of the degree of wear of the component based on the integrated laser output value and the usage time integrated value.
- the laser output calculating means calculates a multiplied value of the laser output instantaneous value of the laser oscillator and the operating time, and calculates a laser output integrated value obtained by integrating all the multiplied values since the replacement of the laser oscillator component.
- the usage time calculation means calculates a usage time integrated value obtained by integrating the total usage time since the part was replaced. Then, the teaching means informs the operator of the degree of wear of the parts all at once based on the integrated value of the laser output and the integrated value of the use time. For this reason, the operator can accurately determine the degree of wear of parts 0
- Figure 1 is a block diagram showing the configuration of a robot controller equipped with a laser oscillator.
- Fig. 2 is a flowchart showing the procedure of life management control of the parts of the laser oscillator.
- Fig. 1 is a block diagram showing the configuration of a robot controller equipped with a laser oscillator.
- the robot control apparatus 1 in the 0 has a processor board 1 1, the processor 1 la to the processor board 1 1, ROM 1 lb, and t the processor 1 1 a of RAM I 1 c is provided, R 0 M 11 1 Controls the entire robot controller 10 according to the system program stored in the robot. ⁇
- the RAM I1c stores various data, and stores a robot operation program (not shown), an output instruction program to the laser oscillator 20, and the like.
- a part of the RAM I1c is configured as a non-volatile memory, and an operation program, an output command program, and the like are stored in the non-volatile memory.
- a non-volatile memory portion stores a program for life management control, which will be described later, and usage time integrated value data and laser output integrated value data necessary for the program.
- the processor board 11 has a digital servo control circuit 12, a serial port 14, a digital IZ 15, an analog IZO 1, and a large memory Li 18 is connected.
- the digital servo control circuit 12 is driven by a command from the processor board 11 via the servo amplifier 13 to operate the servo motors 41, 42, 43, and 4 that operate the axes of the robot.
- the serial port 14 is connected to another RS 23 C device 45.
- the CRT 16 a of the operation panel 16 is connected to the serial port 14.
- This CRT 16a displays the integrated value of the laser output and the integrated value of the operating time after each component such as the discharge tube of the laser oscillator 20 and the oscillation lamp is replaced.
- the integrated laser output value is the sum of the multiplied value of the instantaneous output value of the laser oscillator 20 and its use time from the time of component replacement.
- the usage time integrated value is the total usage time of the laser oscillator 20 from the time of component replacement.
- the integrated value of the laser output and the integrated value of the use time are calculated and displayed for each part. When each component reaches the end of its life, an alarm is displayed.
- the digital IZO 15 is connected to the operation panel 16'b of the operation panel 16.
- the operation panel 16b is provided with an alarm lamp (not shown), which is lit when the life of the discharge tube or other component has reached its end.
- the digital IZQ 15 is connected to a central control device that controls the factory and other peripheral devices, and sends and receives signals to and from these devices. Further, the digital IZO 15 is connected to the laser oscillator 20 and transmits and receives digital signals from the laser oscillator 20.
- the digital signal includes laser processing condition data output to the laser oscillator 20, a laser output detection signal input from a laser output sensor (not shown) attached to the discharge tube, and the like.
- ⁇ Analog IZO 17 is used to output analog signals to laser oscillator 20.
- the laser oscillator 20 outputs a laser beam according to the analog signal.
- the output laser beam is- It is sent to the robot's hand via the transmission pipe and irradiates the work.
- the large-capacity memory 18 stores teaching data, a database of machining condition menus, and the like.
- FIG. 2 is a flowchart showing a procedure for controlling the life of components of the laser oscillator 20.
- step S4 It is determined whether or not the laser oscillator 20 is operating and performing laser oscillation. If so, the process proceeds to step S5; otherwise, the process proceeds to step S7.
- [S5] Increase the use time of the laser oscillator 20 after the parts are replaced, and read the laser output detection signal from the laser output sensor.
- step S6 Each integrated value calculated in step S6 is displayed on CRT 16a.
- the integrated value of the operating time is displayed in units of time (h), while the integrated value of the laser output is displayed in kilo ⁇ units ⁇ hour (kw ⁇ h).
- the use time integrated value and the laser output integrated value are displayed for each component.
- the difference between the integrated laser output value and the preset laser output life judgment value, and the difference between the use time integrated value and the preset use time life judgment value are calculated, and both of these differences are predetermined. If the value is less than the value, it is determined that the component is nearing the end of its life, and the process proceeds to step S9. On the other hand, if the parts have not reached the end of their service life, the process ends.
- the integrated value of the operating time of the laser oscillator 20 and the integrated value of the laser output after the replacement of the component are calculated, the life of the component is determined from these values, and an alarm is output.
- the worn parts can be replaced at an appropriate time, and the operation of the laser oscillator 20 due to the worn parts can be prevented.
- the laser oscillator 20 becomes inoperable, it is possible to reliably determine whether or not the laser oscillator 20 is caused by exhaustion of components. Therefore, maintenance of the laser oscillator 20 becomes easy.
- the laser oscillator 20 is connected to the robot control device 10, but the present invention can be applied to a case where the laser oscillator 20 is connected to an NC device or the like.
- the laser output detection signal from the laser output sensor is used as a parameter indicating the laser output.
- the robot control device 10 sends the laser output signal to the laser oscillator 20.
- An output command signal or a voltage value of the discharge tube may be used.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- Laser Beam Processing (AREA)
- Lasers (AREA)
- Numerical Control (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93908067A EP0589062B1 (en) | 1992-04-13 | 1993-04-07 | Controller for laser oscillator |
DE69311993T DE69311993T2 (de) | 1992-04-13 | 1993-04-07 | Uberwachungseinheit für laseroszillatoren |
KR1019930703833A KR940701593A (ko) | 1992-04-13 | 1993-04-07 | 레이저 발진기의 제어 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4/92737 | 1992-04-13 | ||
JP4092737A JP2716622B2 (ja) | 1992-04-13 | 1992-04-13 | レーザ発振器の制御装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993021672A1 true WO1993021672A1 (en) | 1993-10-28 |
Family
ID=14062734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1993/000450 WO1993021672A1 (en) | 1992-04-13 | 1993-04-07 | Controller for laser oscillator |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0589062B1 (ja) |
JP (1) | JP2716622B2 (ja) |
KR (1) | KR940701593A (ja) |
DE (1) | DE69311993T2 (ja) |
WO (1) | WO1993021672A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5646954A (en) * | 1996-02-12 | 1997-07-08 | Cymer, Inc. | Maintenance strategy control system and monitoring method for gas discharge lasers |
JP2000271888A (ja) * | 1999-03-25 | 2000-10-03 | Fanuc Ltd | ロボット制御装置 |
US6697695B1 (en) * | 2000-04-25 | 2004-02-24 | Komatsu Ltd. | Laser device management system |
JP5789393B2 (ja) * | 2010-09-30 | 2015-10-07 | パナソニック デバイスSunx株式会社 | レーザ加工装置 |
WO2014017562A1 (ja) | 2012-07-26 | 2014-01-30 | ギガフォトン株式会社 | レーザ装置及びレーザ装置の制御方法 |
WO2014038584A1 (ja) * | 2012-09-07 | 2014-03-13 | ギガフォトン株式会社 | レーザ装置及びレーザ装置の制御方法 |
JP7343324B2 (ja) * | 2019-07-26 | 2023-09-12 | ファナック株式会社 | レーザ発振器を制御する制御装置、及び制御方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5939957U (ja) * | 1982-09-07 | 1984-03-14 | 富士通株式会社 | ガスレ−ザ装置 |
JPS63318180A (ja) * | 1987-06-19 | 1988-12-27 | Mitsubishi Electric Corp | レ−ザ発振器制御装置 |
JPH01154580A (ja) * | 1987-12-11 | 1989-06-16 | Nec Eng Ltd | ガスレーザ発振器の出力安定化回路 |
JPH021189A (ja) * | 1988-05-24 | 1990-01-05 | Fanuc Ltd | Ncレーザ装置 |
JPH0423373A (ja) * | 1990-05-15 | 1992-01-27 | Fanuc Ltd | レーザ制御装置 |
JPH0463666U (ja) * | 1990-10-11 | 1992-05-29 | ||
JPH0463169U (ja) * | 1990-10-05 | 1992-05-29 |
-
1992
- 1992-04-13 JP JP4092737A patent/JP2716622B2/ja not_active Expired - Fee Related
-
1993
- 1993-04-07 EP EP93908067A patent/EP0589062B1/en not_active Expired - Lifetime
- 1993-04-07 DE DE69311993T patent/DE69311993T2/de not_active Expired - Fee Related
- 1993-04-07 WO PCT/JP1993/000450 patent/WO1993021672A1/ja active IP Right Grant
- 1993-04-07 KR KR1019930703833A patent/KR940701593A/ko not_active Application Discontinuation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5939957U (ja) * | 1982-09-07 | 1984-03-14 | 富士通株式会社 | ガスレ−ザ装置 |
JPS63318180A (ja) * | 1987-06-19 | 1988-12-27 | Mitsubishi Electric Corp | レ−ザ発振器制御装置 |
JPH01154580A (ja) * | 1987-12-11 | 1989-06-16 | Nec Eng Ltd | ガスレーザ発振器の出力安定化回路 |
JPH021189A (ja) * | 1988-05-24 | 1990-01-05 | Fanuc Ltd | Ncレーザ装置 |
JPH0423373A (ja) * | 1990-05-15 | 1992-01-27 | Fanuc Ltd | レーザ制御装置 |
JPH0463169U (ja) * | 1990-10-05 | 1992-05-29 | ||
JPH0463666U (ja) * | 1990-10-11 | 1992-05-29 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0589062A4 * |
Also Published As
Publication number | Publication date |
---|---|
JPH05291649A (ja) | 1993-11-05 |
DE69311993D1 (de) | 1997-08-14 |
EP0589062B1 (en) | 1997-07-09 |
KR940701593A (ko) | 1994-05-28 |
JP2716622B2 (ja) | 1998-02-18 |
DE69311993T2 (de) | 1997-11-06 |
EP0589062A4 (en) | 1994-11-23 |
EP0589062A1 (en) | 1994-03-30 |
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