WO2010103777A1 - レーザ発振装置およびレーザ加工機 - Google Patents
レーザ発振装置およびレーザ加工機 Download PDFInfo
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- WO2010103777A1 WO2010103777A1 PCT/JP2010/001584 JP2010001584W WO2010103777A1 WO 2010103777 A1 WO2010103777 A1 WO 2010103777A1 JP 2010001584 W JP2010001584 W JP 2010001584W WO 2010103777 A1 WO2010103777 A1 WO 2010103777A1
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- 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
- H01S3/02—Constructional details
- H01S3/03—Constructional details of gas laser discharge tubes
- H01S3/036—Means for obtaining or maintaining the desired gas pressure within the tube, e.g. by gettering, replenishing; Means for circulating the gas, e.g. for equalising the pressure within the tube
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- 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
- H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/104—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation in gas lasers
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- 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
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- 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
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/041—Arrangements for thermal management for gas lasers
Definitions
- the present invention relates to a laser oscillation device and a laser processing machine for blowing laser gas to a discharge tube by a blower.
- a conventional gas laser oscillation device is known from Patent Document 1, for example.
- the gas laser oscillation device disclosed in Patent Document 1 generates a discharge space in a discharge tube by applying a high voltage between two electrodes provided in the discharge tube.
- the laser gas is excited by the discharge space, and is output to the outside as laser light through a total reflection mirror and a partial reflection mirror provided at both ends of the discharge tube.
- a gas circulation path forming a laser gas circulation path is coupled to the discharge tube, and a blower is provided inside the gas circulation path. This blower circulates the laser gas in the discharge tube and the gas circulation path.
- the air blowing section has a rotor chamber having a gas blowing rotor provided in the gas circulation path. Furthermore, the air blower has a gear chamber having a gear for determining the rotation timing of the rotor. Further, the blower unit has a drive unit that drives the gear. The rotor and the drive unit are connected to each other by a shaft. The rotor chamber is coupled to the gas circulation path, and the laser gas flows through the rotor. The pressure of the laser gas is monitored by a gas pressure detection unit and operates so as to keep the pressure inside the gas circulation path constant.
- the drive unit of the blower unit transmits power to the rotor of the rotor chamber by rotating a motor or the like.
- Lubricating oil is stored in the gear chamber to lubricate bearings and gears.
- a seal portion is provided between the rotor chamber and the gear chamber to separate the rotor chamber and the gear chamber.
- the gear chamber is set to a lower pressure than the rotor chamber. As described above, in the technique described in Patent Document 1, the pressure in the gear chamber fluctuates at the time of acceleration and deceleration of the operation of the blower, and the oil mist is prevented from being mixed into the gas circulation path. Yes.
- the gear chamber pressure detector connected to the gear chamber alerts the alarm chamber when the pressure in the gear chamber exceeds the specified pressure. Has been issued.
- the predetermined pressure is set too high, a decrease in the pressure difference between the rotor chamber and the gear chamber cannot be detected properly, resulting in a decrease in output.
- it is too low warnings frequently occur within a short period of time, resulting in a short maintenance period and high running costs.
- the present invention provides a laser oscillation device and a laser processing machine that can detect a gap expansion of a seal portion 10c of a blower portion 10 at an appropriate time and can stably output a laser.
- the present invention detects the pressure of a discharge chamber that discharges a laser gas therein, a blower that blows laser gas to the discharge tube, a gas circulation path that connects the discharge tube and the blower, and a pressure in a gear chamber provided in the blower
- a gear chamber pressure detection unit, and an alarm unit that generates an alarm when the pressure detected by the gear chamber pressure detection unit is equal to or greater than a predetermined pressure It has the structure defined based on the average value of an inlet side pressure and a laser gas outlet side pressure.
- the laser oscillation device capable of finding the gap enlargement of the seal portion at an appropriate time and capable of stable laser output.
- the laser processing machine can be provided without increasing the running cost.
- FIG. 1 is a block diagram of a laser oscillation apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a structural diagram of the air blowing section of the laser oscillation device in the present embodiment.
- FIG. 3A is a diagram showing a temporal change in the gear chamber pressure during operation in the present embodiment.
- FIG. 3B is a diagram showing a temporal change in laser output during operation in the present embodiment.
- FIG. 4 is a configuration diagram of the laser beam machine according to Embodiment 2 of the present invention.
- FIG. 1 is a block diagram of a laser oscillation apparatus according to Embodiment 1 of the present invention.
- the laser oscillation device of the present embodiment includes an anode electrode 6 and a cathode electrode 7 at both ends of a discharge tube 4.
- the anode electrode 6 and the cathode electrode 7 are connected to a high voltage power source 8 to constitute a discharge unit that excites the laser gas 2, and discharges to the laser gas 2 inside the discharge tube 4 to form a discharge space 3.
- a gas circulation path 12 is connected to the discharge tube 4, and a heat exchanger 9, a blower 10, and a heat exchanger 11 are arranged in the middle of the gas circulation path 12.
- the laser gas 2 circulates through the gas circulation path 12 of the laser gas 2 between the discharge unit 4 and the blower unit 10.
- the laser gas 2 flows from the anode electrode 6 to the cathode electrode 7.
- two discharge tubes 4 are connected to face each other, but they may be arranged in parallel and folded back by a reflecting mirror to be optically coupled.
- the number of discharge tubes 4 may not be two as in the present embodiment, but may be one or three or more.
- a laser resonator is configured by disposing a partial reflection mirror 13 and a total reflection mirror 14 at each end of each discharge tube 4 that is not connected.
- a high-power laser beam 1 is output from the partial reflection mirror 13 of the laser resonator.
- the gas circulation path 12 is connected to a gas supply source 21 via a gas supply amount adjusting unit 22 and a gas supply electromagnetic valve 23.
- the gas circulation path 12 is also connected to the first gas exhaust path 31.
- the first gas exhaust passage 31 is connected to the gas exhaust unit 40 via the first gas exhaust solenoid valve 32 and the gas exhaust stop solenoid valve 39.
- the gas supply source 21 and the gas exhaust unit 40 supply the laser gas 2 and adjust the pressure.
- FIG. 2 is a configuration diagram showing the blower unit 10.
- the air blowing unit 10 includes a rotor chamber 10 a having a gas blowing rotor provided in the gas circulation path 12, a gear chamber 10 b having a gear for determining the rotation timing of the rotor, and a gear. It is comprised from the drive part 10d which drives. The rotor and the drive unit 10d are connected to each other by a shaft.
- the rotor chamber 10a is connected to the gas circulation path 12, and the laser gas 2 flows through the rotor.
- the second gas exhaust passage 37 is connected to the gear chamber 10 b of the blower unit 10 through the oil mist capturing unit 35.
- the second gas exhaust passage 37 is connected to the gas exhaust unit 40 via a second gas exhaust electromagnetic valve 38 and a gas exhaust stop electromagnetic valve 39.
- the gas circulation path 12 is provided with a gas pressure detection unit 41 for detecting the pressure of the internal laser gas 2.
- a gear chamber pressure detection unit 42 is provided in the gear chamber 10 b of the blower unit 10 via an oil mist capturing unit 35. Output signals from the gas pressure detection unit 41 and the gear chamber pressure detection unit 42 are input to the alarm unit 43. In addition, control of each solenoid valve and each part is performed with the control apparatus which served as the alarm part 43.
- a laser gas 2 circulates in the discharge tube 4 made of a dielectric.
- a high voltage power supply 8 connected to the anode electrode 6 and the cathode electrode 7 provided around the discharge tube 4 generates a discharge in the discharge tube 4.
- the laser gas 2 is excited by the discharge, and is output as laser light 1 to the outside through the total reflection mirror 14 and the partial reflection mirror 13.
- the laser gas 2 is sent by the blower 10 into the gas circulation path 12 that forms the circulation path of the laser gas 2 together with the discharge tube 4.
- heat exchangers 9 and 11 are arranged.
- the gas circulation path 12, the blower 10, and the inside of the discharge tube 4 are maintained at a pressure of approximately 90 kPa near atmospheric pressure.
- the first gas exhaust solenoid valve 32, the second gas exhaust solenoid valve 38, and the gas exhaust stop solenoid valve 39 are opened, and the atmosphere is exhausted by a vacuum pump or the like of the gas exhaust unit 40, and the pressure is about 1 kPa. Depressurize until.
- this pressure reaches about 1 kPa
- the operation of the blower unit 10 is started, and at the same time, the second gas exhaust solenoid valve 38 and the gas exhaust stop solenoid valve 39 are closed, and then the gas supply solenoid valve 23 is opened to release the gas.
- Fresh laser gas 2 is supplied from the supply source 21 until the operating gas pressure is reached.
- the gas exhaust solenoid valve 39 When the operating gas pressure is reached, the gas exhaust solenoid valve 39 is opened to exhaust the laser gas 2, and at the same time, the gas pressure detection unit 41 controls the opening and closing of the gas supply solenoid valve 23 so that the pressure becomes constant.
- Laser gas 2 is deteriorated due to dissociation of constituent gas molecules due to discharge in discharge space 3, and a part thereof is discharged to the outside by gas exhaust unit 40. Since the pressure of the laser gas 2 is monitored by the gas pressure detection unit 41, the gas pressure detection unit 41 detects a pressure drop due to the discharge of the laser gas 2 to the outside, and the gas in which the gas supply amount is electrically controlled. A signal is sent to the supply source 21 for control. Then, the same amount of undegraded laser gas 2 as that of the discharged laser gas 2 is supplied, and the pressure in the gas circulation path 12 is kept constant.
- the drive unit 10d transmits power to the rotor of the rotor chamber 10a as the drive unit such as a motor rotates.
- Two rotors are arranged in the rotor chamber 10a, and the rotation timing of the two rotors is determined by the gears of the gear chamber 10b.
- the gear chamber 10b contains lubricating oil and lubricates the bearings and gears. When oil mist generated from the lubricating oil enters the laser gas 2 circulated by the rotor, the purity of the laser gas 2 is lowered, causing a major problem in laser oscillation.
- a seal portion 10c such as an oil seal or a dry seal is provided to separate the rotor chamber 10a and the gear chamber 10b.
- a gap of several ⁇ m to several tens of ⁇ m is provided between the seal portion 10c and the rotating shaft of the motor so that the rotation of the shaft is not hindered.
- the gear chamber 10b of the blower unit 10 includes a vacuum pump or the like via an electromagnetic valve controlled by a signal from an inverter that controls the rotation of the motor and an electromagnetic valve that is open during operation of the blower unit 10.
- the gas exhaust unit 40 is used to reduce the pressure.
- the solenoid valve is controlled to open and close by a signal from the inverter, thereby controlling the gas exhaust flow rate from the gear chamber 10b and the pressure in the gear chamber 10b to the rotor chamber 10a.
- the pressure is controlled to be lower than the pressure.
- the gear chamber pressure detection unit 42 connected to the gear chamber 10b via the oil mist capturing unit 35 monitors the decrease in the pressure difference between the rotor chamber 10a and the gear chamber 10b in the steady operation state as described above, and performs a predetermined pressure. When it becomes above, the alarm unit 43 generates an alarm.
- FIG. 3A is a diagram showing a temporal change in the pressure of the gear chamber of the blower unit 10 during operation of the laser oscillation device of the present embodiment.
- FIG. 3B is a diagram showing a relationship of temporal change in laser output of the laser oscillation apparatus of the present embodiment.
- the pressure in the gear chamber 10b of the blower 10 is low because the gap between the seal chamber 10c between the rotor chamber 10a and the gear chamber 10b is small.
- the operation time elapses, as indicated by the solid line P1
- the gap gradually expands due to wear of the seal portion 10c, aging, or the like, and the pressure in the gear chamber 10b increases along a gentle rising curve.
- the gear chamber pressure detection unit 42 is an A point that is an average value of the laser gas inlet side 10f pressure and the laser gas outlet side 10g pressure of the blower unit 10 with the pressure of the gear chamber 10b being a predetermined reference value. Is detected, and an alarm is generated by the alarm unit 43.
- the pressure on the rotor chamber 10a side of the seal portion 10c is substantially equal to the average pressure on the laser gas inlet side 10f and the laser gas outlet side 10g of the blower. It became possible to measure the pressure on the rotor chamber 10a side.
- the point B of the pressure in the gear chamber 10b in FIG. 3A shows a case where the predetermined pressure reference value is set higher than the average value of the laser gas inlet side 10f pressure and the laser gas outlet side 10g pressure of the blower unit 10.
- the pressure in the gear chamber 10b exceeds the point A and the oil mist is mixed into the laser gas 2 during the operation time TA as shown by the dotted line P2. Since the operation is continued even if it starts, the laser output decreases as shown by the dotted line Q2 in FIG. 3B.
- the pressure in the gear chamber 10b is reduced to a pressure lower than that of the rotor chamber 10a.
- the pressure in the vicinity of the seal portion 10c inside the rotor chamber 10a is generally an average value of the inlet pressure and the outlet pressure of the blower portion 10. Therefore, when the pressure in the gear chamber 10b becomes equal to or higher than the average value of the inlet pressure and the outlet pressure of the blower unit 10, oil mist starts to enter the rotor chamber 10a from the gear chamber 10b. Therefore, in the present embodiment, the predetermined pressure that is a reference value for generating an alarm by the alarm unit 43 is set to an average value of the inlet pressure and the outlet pressure of the blower unit 10.
- the predetermined pressure is set low, the oil mist in the gear chamber 10b can be prevented from entering the rotor chamber 10a.
- warnings frequently occur in a short period of time and the running cost for replacing the air blowing unit 10 increases.
- the predetermined pressure as the average value of the laser gas inlet side 10f pressure and the laser gas outlet side 10g pressure of the blower unit 10
- the predetermined pressure it is also possible to set the predetermined pressure to a value obtained by subtracting 1 ⁇ 2 of the fluctuation value of the pressure pulsation of the laser gas 2 from the average value of the laser gas inlet side 10f pressure and the laser gas outlet side 10g pressure of the blower unit 10. .
- the pressure in the vicinity of the seal portion 10c inside the rotor chamber 10a is generally an average value of the inlet pressure and the outlet pressure of the blower portion 10.
- the pressure of the laser gas 2 is not constant but has a pulsation. Therefore, when the pulsation is minimized, the pressure near the seal portion 10c may instantaneously drop below the gear chamber 10b. Therefore, the predetermined pressure is set to a value obtained by subtracting 1/2 of the fluctuation value of the pressure pulsation of the laser gas 2 from the average value of the laser gas inlet side 10f pressure and the laser gas outlet side 10g pressure of the blower unit 10, and more effectively. Oil mist can be prevented from entering.
- the predetermined pressure is unnecessarily set low, the oil mist in the gear chamber 10b can be prevented from entering the rotor chamber 10a, but an alarm will occur frequently in a short period of time, and the running cost for replacing the blower unit 10 will be increased. Will increase. Since the pressure pulsation of the laser gas 2 is usually several hundred Hz or more, the pressure of the gear chamber 10b is reduced to 1/2 of the fluctuation value of the pressure pulsation of the laser gas 2 from the average value of the laser gas inlet side 10f pressure and the laser gas outlet side 10g pressure. Since it is a very short time of about several msec or more, the oil mist intrusion does not occur.
- FIG. 4 is a configuration diagram of the laser beam machine according to Embodiment 2 of the present invention.
- the laser beam machine according to the present embodiment includes a machining table 63 on which a machining workpiece 64 is placed.
- the laser processing machine of the present embodiment includes a processing machine driving unit 62 that moves at least one of the movement of the processing table 63 or the condensing unit 67 that collects the laser light.
- the laser processing machine of the present embodiment includes a numerical control unit 61 that controls the processing machine driving unit 62, the laser oscillation device 65 described in the first embodiment, and a laser beam path 66.
- the laser beam emitted from the laser oscillation device 65 is transmitted through a laser beam path 66 constituted by a folding mirror or the like, and is collected by a focusing unit 67.
- the focused laser beam is irradiated onto the workpiece 64 and machining is started.
- a command is output from the numerical control unit 61 to the processing machine driving unit 62, and at least one of the processing table 63 and the light collecting unit 67 is operated to process the workpiece 64.
- the laser processing machine uses the laser oscillation apparatus according to the first embodiment, the output fluctuation of the laser beam due to the oil mist is eliminated, and the laser beam output power can be accurately irradiated. Furthermore, since the laser oscillation device 65 is comprehensively controlled by the numerical controller, it is possible to improve the reliability of laser processing and to prevent defective products from being mixed into the workpiece.
- the present invention includes a discharge tube that discharges a laser gas therein, a blower that blows laser gas to the discharge tube, a gas circulation path that connects the discharge tube and the blower, and a gear provided in the blower.
- a gear chamber pressure detection unit that detects a chamber pressure, and an alarm unit that generates an alarm when the pressure detected by the gear chamber pressure detection unit is equal to or greater than a predetermined pressure.
- the pressure has a configuration determined based on the average value of the laser gas inlet side pressure and the laser gas outlet side pressure of the blower.
- the present invention provides a laser oscillation device capable of detecting a gap enlargement of the seal portion at an appropriate time and generating a stable laser output when the gap of the seal portion between the rotor chamber and the gear chamber of the blower portion is enlarged.
- the laser processing machine can be provided without increasing the running cost.
- the influence of oil mist from the blower is reduced, and the stability and long-term reliability of the laser output can be improved without increasing the running cost, which is beneficial for various laser oscillation devices and laser processing machines. .
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Abstract
Description
図1は本発明の実施の形態1におけるレーザ発振装置のブロック図である。図1において、本実施の形態のレーザ発振装置は、放電管4の両端にアノード電極6とカソード電極7を備えている。アノード電極6とカソード電極7は高電圧電源8と接続されてレーザガス2を励起する放電部を構成し、放電管4内部のレーザガス2に放電して放電空間3を形成する。放電管4にはガス循環経路12が接続されており、ガス循環経路12の途中に熱交換器9、送風部10、熱交換器11が配置されている。放電部4と送風部10との間のレーザガス2のガス循環経路12をレーザガス2が循環する。本実施の形態ではアノード電極6からカソード電極7へレーザガス2を流す。また、本実施の形態では放電管4を2本向かい合わせに接続しているが並列に並べて反射鏡で折り返して光学的に連結してもよい。放電管4は、本実施の形態のように2本でなくてもよく、1本でも、また3本以上連結してもよい。
図4は、本発明の実施の形態2におけるレーザ加工機の構成図である。図4において、本実施の形態のレーザ加工機は、加工ワーク64を乗せる加工テーブル63を備えている。さらに、本実施の形態のレーザ加工機は、加工テーブル63の移動またはレーザ光を集光する集光部67のうち少なくとも一方を移動する加工機駆動部62を備えている。さらに、本実施の形態のレーザ加工機は、加工機駆動部62を制御する数値制御部61と、実施の形態1で述べたレーザ発振装置65と、レーザ光路66とを備えている。
2 レーザガス
3 放電空間
4 放電管
6 アノード電極
7 カソード電極
8 高電圧電源
9,11 熱交換器
10 送風部
10a ローター室
10b ギアー室
10c シール部
10d 駆動部
10e ギアー室ガス排気通路
10f レーザガス入口側
10g レーザガス出口側
12 ガス循環経路
13 部分反射鏡
14 全反射鏡
21 ガス供給源
22 ガス供給量調整部
23 ガス供給電磁弁
31 第1ガス排気通路
32 第1ガス排気電磁弁
35 オイルミスト捕獲部
37 第2ガス排気通路
38 第2ガス排気電磁弁
39 ガス排気停止用電磁弁
40 ガス排気部
41 ガス圧力検出部
42 ギアー室圧力検出部
43 警報部
61 数値制御部
62 加工機駆動部
63 加工テーブル
64 加工ワーク
65 レーザ発振装置
66 レーザ光路
67 集光部
Claims (5)
- 内部でレーザガスを放電する放電管と、前記放電管に前記レーザガスを送風する送風部と、前記放電管と前記送風部を接続するガス循環経路と、前記送風部に設けたギアー室の圧力を検出するギアー室圧力検出部と、前記ギアー室圧力検出部で検出した圧力が予め定めた所定圧力と同じか前記所定圧力よりも大きい場合に警報を発生する警報部とを備え、前記所定圧力は、前記送風部のレーザガス入口側圧力とレーザガス出口側圧力の平均値にもと基づいて定められるレーザ発振装置。
- 前記警報部は、前記ギアー室圧力検出部で検出した圧力が、前記送風部のレーザガス入口側圧力とレーザガス出口側圧力の平均値を1秒間または1秒間よりも長い期間超えた場合に警報を発生する請求項1記載のレーザ発振装置。
- 前記所定圧力は、前記送風部のレーザガス入口側圧力とレーザガス出口側圧力の平均値から前記レーザガスの圧力脈動の変動値の1/2を減算した数値を用いる請求項1記載のレーザ発振装置。
- 前記警報部は、前記ギアー室圧力検出部で検出した圧力が、前記送風部のレーザガス入口側圧力とレーザガス出口側圧力の平均値からレーザガスの圧力脈動の変動値の1/2を減算した数値を10分間または10分間よりも長い期間超えた場合に警報を発生する請求項3記載のレーザ発振装置。
- 加工物を乗せる加工テーブルと、前記加工テーブルの移動およびレーザ光の集光部のうち少なくとも一方を移動する加工機駆動部と、前記加工機駆動部を制御する数値制御部と、請求項1から4のいずれかに記載のレーザ発振装置とを備えたレーザ加工機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN2010800106491A CN102341976B (zh) | 2009-03-12 | 2010-03-08 | 激光振荡装置及激光加工机 |
EP10750535.6A EP2388870B1 (en) | 2009-03-12 | 2010-03-08 | Laser oscillator and laser material processing machine |
US13/203,778 US9379511B2 (en) | 2009-03-12 | 2010-03-08 | Laser oscillator and laser machining apparatus |
JP2011503698A JP5218639B2 (ja) | 2009-03-12 | 2010-03-08 | レーザ発振装置およびレーザ加工機 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2009059105 | 2009-03-12 | ||
JP2009-059105 | 2009-03-12 |
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WO2010103777A1 true WO2010103777A1 (ja) | 2010-09-16 |
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PCT/JP2010/001584 WO2010103777A1 (ja) | 2009-03-12 | 2010-03-08 | レーザ発振装置およびレーザ加工機 |
Country Status (5)
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US (1) | US9379511B2 (ja) |
EP (1) | EP2388870B1 (ja) |
JP (1) | JP5218639B2 (ja) |
CN (1) | CN102341976B (ja) |
WO (1) | WO2010103777A1 (ja) |
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CN103430403B (zh) * | 2012-03-12 | 2015-04-29 | 松下电器产业株式会社 | 气体激光振荡装置及激光气体置换方法 |
JP5810270B2 (ja) * | 2012-05-18 | 2015-11-11 | パナソニックIpマネジメント株式会社 | レーザ発振装置 |
JP6310390B2 (ja) * | 2012-06-26 | 2018-04-11 | ギガフォトン株式会社 | レーザ装置の制御方法及びレーザ装置 |
JP5661834B2 (ja) * | 2013-03-05 | 2015-01-28 | ファナック株式会社 | レーザガス容器の密閉性を推定可能なレーザ装置 |
US11095088B1 (en) * | 2018-02-21 | 2021-08-17 | Zoyka Llc | Multi-pass coaxial molecular gas laser |
CN108747057B (zh) * | 2018-08-02 | 2023-05-05 | 华侨大学 | 应用于激光切割装置的随动光路传输系统 |
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- 2010-03-08 CN CN2010800106491A patent/CN102341976B/zh not_active Expired - Fee Related
- 2010-03-08 WO PCT/JP2010/001584 patent/WO2010103777A1/ja active Application Filing
- 2010-03-08 JP JP2011503698A patent/JP5218639B2/ja not_active Expired - Fee Related
- 2010-03-08 US US13/203,778 patent/US9379511B2/en not_active Expired - Fee Related
- 2010-03-08 EP EP10750535.6A patent/EP2388870B1/en not_active Not-in-force
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JP2000022243A (ja) | 1998-06-30 | 2000-01-21 | Shimadzu Corp | レーザ発振器 |
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Also Published As
Publication number | Publication date |
---|---|
US9379511B2 (en) | 2016-06-28 |
JPWO2010103777A1 (ja) | 2012-09-13 |
EP2388870A4 (en) | 2014-12-24 |
EP2388870A1 (en) | 2011-11-23 |
CN102341976B (zh) | 2013-03-06 |
JP5218639B2 (ja) | 2013-06-26 |
US20120006798A1 (en) | 2012-01-12 |
EP2388870B1 (en) | 2017-05-03 |
CN102341976A (zh) | 2012-02-01 |
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