大功率横流co激光器升级改造项目文件

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1、大功率横流CO激光器升级改造项目Power Cross-Flow CO 2 Laser Upgrading Projects1.项目概要通过对国内大功率横流 CO2光器使用单位的调查和技术分析，结合我公司在横流CO2敷光器方面的技术优势，我公司决定开展部分在线激光器的升级改造项目。希望与各激光设备的使用单位进行充分的技术交流，通过技术服务，对激光设备的关键部位进行技术改造。一方面，可大幅提升激光器的输出功率（2倍）和运行稳定性， 提高常规激光淬火和激光熔覆加工业务的生产效率；另一方面，可提高低阶模的输出效 率，充分发挥大功率横流CO激光器的加工潜力，帮助国内各激光加工单位拓展激光加工 领域，如

2、激光焊接。1 . IntroductionThrough the cross-flow of domestic high-power CO2laser units use the investigation and technical analysis, the combined company in the cross-flow CO2 lasers technical superiority, I decided to conduct some on-line laser upgrading projects.With the hope that the use of laser equi

3、pment units sufficient technical exchanges, technical services, the key parts of laserequipment for technological transformation. On the one hand, candramatically enhance the laser output power to 2 times） and operating stability, enhance conventional laser hardening and laser cladding processing bu

4、siness productivity on the other hand, can increase the output of low-efficiency and give full play to Power cross-flow CO2laser processing potential of the domestic help expand the laser processing units laser processing areas, such as laser welding.2.市场调查分析目前，通过对国内千瓦级大功率CO2敷光热处理和激光熔覆设备的用户进行调查，很多用户

5、反映设备性能较差，大部分情况为：设备稳定性很差，年故障次数 5次以上； 激光器使用一至两年后出现功率输出变小、模式变差，因此造成大部分成套设备经常处于低性能状态，甚至停运。主要问题集中在激光器的关键技术指标达不到标准。2 . Survey of the marketAt present, through the domestic kilowatt-class high-power CO2laser heat treatment equipment and laser cladding of the user survey, many users reflect the poor perform

6、ance of equipment, the majority of cases are: stability of poor equipment, five times the number of failures in more than the use of lasers One to two years after the power output smaller model deteriorate, resulting in complete sets of equipment most often in the low performance, or even outages. L

7、aser focus on key issues in the key indicators-standard technology.千瓦级大功率CO2敷光器存在的主要问题及描述序号主要问题简单描述1i1激光功率“大打 折扣”，影响加工 效率激光器无法在额定功率卜稳定运行，最高功率只能11在额定功率的60%F运行（如5000W横流CO2激光器可以稳定运行的功率仅为3000VV,也有显示的功率数偏高| 1的现象；如5000W横流CO2敷光器功率计显示输出功率i为5000VV按同局标准的手持功率检测仪器显示仅为i1 13000W因此，很多高功率设备处于低功率运行状态，加工11效率降约为标准的一半。

8、j2低阶模状态性能 差，无法开展新 业务（激光焊接、 激光切割）根据行业技术标准的规范，合格的横流 CO2敷光器|可以获得多模和低阶模两种激光束模式，低阶模状态的 ！ J功率为多模的1/2。目前国内的大部分横流 CO2敷光器通过加“光栅” 1 1取得低阶模状态，只能获得多模功率的1/3左右；按照上面多模激光输出功率情况，以 5000W的横流CO2a光 1器为例，在低阶模稳定运行状态卜，只获得1000W在右i 1（按技术标准可获得低阶模2500WL11因此，大部分已投入生产的横流 CO2敷光器的仅采？ 1用多模光束，几乎没有开发低阶模及环形模的激光焊接 1应用技木。13激光器稳定性差设备运行过程

9、中，经常出现光路偏差、电路故障等 问题，影响生产进度。i经过调查分析，激光器的谐振腔稳定性差，容易出 1 现光轴漂移，引起光斑能量分布不均和激光束偏离外光i路中心；电源采用电路板控制，稳定性差；放电系统产 1 生的增益区小。i1 4工艺装备差对于复杂的熔覆工艺，大部分激光设备客户米用重 i 力送粉机构，进行铺粉或预置粉末的办法；无法对复杂 i形状的零部件进行三维送粉和修复。！:1kw-class high-power CO2 laser and the main problems describedNo.Main issuesBrief： i：1Laser power greatly redu

10、ced, the impact on processing efficiencyLasers can not be rated power under the stable operation ofpower only in the highest rated power of running under 60percent (5000 Wcross-flow CO2laser can only stable operationof power 3000 W), also shows that the number of high-powerIIphenomenon such as the 5

11、000 Wcross-flow CO2laser power meter ； showed that output of 5000 W, measured by the standardhand-held power detection equipment showed that only 3000 Wj1Therefore, many high-power equipment in a low-power operation, and processing efficiency drop of about half the1 standard.2Poor performance of low

12、-status, unable to carry out new operations (laser welding, laser cutting)According to industry technical standard specifications,iqualified cross-flow CO2laser can be multi-mode and low-end1 two-mode laser beam, low-power status for the multi-mode 1/ 2.Most of the current domestic CO2laser through

13、the cross-flowil increases, grating a low-status, multi-mode power can only1 be 1 / 3 of around accordance with the above multi-mode laseroutput power, to 5000 W of the cross-flow CO2 laser as an1 example, in Low-end module and stable operation of state,received only about 1000 W (at the technical s

14、tandardsi available to low-end module 2500 W).Therefore, most have been put into production in thecross-flow CO2 laser beam only a multi-mode, almost no development of low-end module and the ring-laser welding applications.3Laser poor stabilityIn the course of operation of equipment, often light pat

15、hdeviation circuit fault and other issues affecting the1 progress of production.After an investigation of the laser resonator stability ofpoor, vulnerable to the optical axis drift, caused spots anduneven distribution of energy laser beam from the opticalcenter; power use circuit board control, stab

16、ility poor11 discharge system to produce a small gain.4Poor technical equipmentThe complexity of the cladding technology, laser equipment, most of the feeding by gravity, a shop powder or preferences1powder; unable to complex 3-D shape of the feeding parts and1 repair.3 .项目实施内容序技术及功能特点描述升级部位1升级项目序号升

17、级部位升级项目技术及功能特点描述11光腔采用“高可靠模 块化”结构光腔模块结构包括：位置调整模块、角度调 1整模块、前腔模块、后腔模块、光轴监测模块。1 1光腔调整简单、可操作性强；降低光腔维护 1成本。i2激光器光腔光腔采用 “二折高效 复合腔”机构该复合腔在不改变原光腔长度的前，增加腔内谐振范围，放电增益区进行充分的激光振11荡，电光转换效率达到18%Z上。二折腔机构相当于光腔的长度增加一倍，考 11虑到放电增益区宽度限制，一般可实现额定功率增加倍。3 uf - n -4激光器电源、电气控制部分控制系统采 用工控机控 制。放电极采用 多排针放电 结构米用工控机作为激光器控制中心，对电流、！

18、 1气压、水流均采用高可靠性传感器件，将采集到i !的信号输入到工控机中，经程序运算后，输出到1相应控制继电器或输出相应模拟量，同时对输出信号进行反馈检测保证程序顺利进行，保证整个1控制系统具启高的稳定性及可靠性。采用多排放电针放电结构，可以实现3排针1或更多排放电结构，增大增益区宽度；每个放电1 1针均进行微调处理，使放电系统更稳定。！5风机电机驱动变频控制 风机电机驱动采用变频控制器，通过改变频 率来获得不同的电机转速，实现风机由慢到快的| 平稳提速过程，同时可以通过工控机实现风机转1速的优化调整。适当的提高频率，可增大风机的! 转速，获得更图的激光输出功率。13. Contents Of

19、 Project ImplementationNo.UpgradingsiteUpgrade projectsTechnical and functional characteristics described!No.Upgradingsite Upgrade projectsTechnical and functional characteristics described1Laser cavityCavity of highly reliable modular structureCavity module structure, including: position adjustment

20、 module, angle adjustment module, the former chamber module, after the chamber module, optical axis monitoring module.Cavity adjustments simple and easy to operate; lower cavity maintenance costs.2Cavity of The presentation of complex cavity efficient bodyThe cavity in the compound does not change t

21、he length of the cavity under the premise of increased cavity resonance of the district gain full discharge of laser oscillation,electro-opticalconversionefficiency of 18 percent or more.The presentation of chamber body cavity equivalent to double the length, taking into account the discharge gain W

22、idth restrictions, can achieve an increase of times the rated power.3Laser Power, the electric control part ofControlsystem uses IPC control.IPC used as a laser control centre, the current, pressure, flow sensors are used pieces of high-reliability, the signal will be collected into the IPC, the ope

23、rator procedures, corresponding to control output or output relay corresponding simulation Volume, while the output signal detection feedback to ensure a smooth process to ensure that the entire control system with high stability and reliability.4Discharge is a multi-needle discharge structureA mult

24、i-emissions electric discharge structure, can achieve three or more emissions-ranked power structure, increasing gain zone width; discharge needles are each fine-tune treatment, the discharge system more stable.5_一Fan motordrive invertercontrolFans used frequency motor drive controller, by changing

25、the frequency of different motor speed, and fans from slow to fast speed of a smooth process, but also through the IPC to achieve optimal adjustment of the fan speed. The improvement of appropriate frequency, can increase the fan speed, the higher the laser power output.4 .项目实施技术指标标准。（关于本升级改造项目的立项宗旨

26、为：技术指标达到国内行业标准，部分技术指标超过行业 大功率横流连续波 CO2敏光器的技术标准，请来电索取）以国内现行5KW敏光器为例，实施升级改造后的技术性能指标:激光器光腔部分：1备注横模模式TEMmnm+nc 1i多模额定输出激光功率（P） W11114000111111i7500i11i高于行业标准（行业标准 多模为1j 5000VV额定输出激光功率连续运行时问（t） h2411行业标准1额定输出激光功率稳定度12行业标准光束指向稳定度 mrad 行业标准束散角（全角）mrad 11行业标准激光器电光转换效率 1 91!1811高于行业标 准（行业标准 为16%激光波长Nm1电源、电气控

27、制部分放电电流/、稳定度 |2行业标准电子元器件年故障率次/年j（现行业状况约为5）1 i高于行业标 准放电针结构多排针结构，31i高于行业标准电源、电气控制模式工控机（现行业状况为集成电路控1制）1高于行业标1准4 . Project Implementation SpecificationsThe upgrading project for the purpose of the project: technical indicators have reached the domestic industry standards, some technical indicators more

28、than the industry standard. (On cross-flow continuous wave high-power CO2 laser, the technical standards, calls for)5 KW to the existing domestic laser as an example, the implementation ofupgrading the technicalperformance indicators:Laser cavity:备注Cross-mode TEMmn11m+nc 1：Cross-mode TEMmn i11Rated

29、output laser power (P) W11 14000r 75001Higher than the industry 飞 Rated output laser power continuous operation time (t) h 24Rated output laser power stability%2Beam pointing stabilitymrad Laser electro-optical conversion efficiency% 9 一一218Laser wavelength 心 mstandard(Multi-industry istandards fort

30、he 5000 W)IndustryiStandardiIndustryStandardIndustryStandardIndustry StandardIndustry StandardHigher than the industry standard (the industry standard of 16%)Discharge of the currentIIIndustryinstability%2111StandardElectronic components, the failure(current industry conditions around 5)Higher than therate / yearindustry1standardDischarge pin structureMulti- pin structure 3Higher than thePower, the electric control part ofindustrystandardPower, the electrical control mode IPC (now integrated circuit industry control the situation)to-Higher than theindustrystandard