CN104703750A - 用于修理涡轮机构件的方法 - Google Patents
用于修理涡轮机构件的方法 Download PDFInfo
- Publication number
- CN104703750A CN104703750A CN201380046594.3A CN201380046594A CN104703750A CN 104703750 A CN104703750 A CN 104703750A CN 201380046594 A CN201380046594 A CN 201380046594A CN 104703750 A CN104703750 A CN 104703750A
- Authority
- CN
- China
- Prior art keywords
- coating machine
- path
- laser
- laser coating
- turbine components
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000000843 powder Substances 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims description 47
- 239000011248 coating agent Substances 0.000 claims description 44
- 230000008439 repair process Effects 0.000 claims description 16
- 229940098458 powder spray Drugs 0.000 claims description 13
- 238000004372 laser cladding Methods 0.000 abstract description 6
- 238000007664 blowing Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 4
- 210000001138 tear Anatomy 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005542 laser surface treatment Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/144—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
- B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
- B23P6/007—Repairing turbine components, e.g. moving or stationary blades, rotors using only additive methods, e.g. build-up welding
-
- 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
- B23K26/34—Laser welding for purposes other than joining
-
- 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
- B23K26/34—Laser welding for purposes other than joining
- B23K26/342—Build-up welding
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/005—Repairing methods or devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/34—Coated articles, e.g. plated or painted; Surface treated articles
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/21—Rotors for wind turbines
- F05B2240/211—Rotors for wind turbines with vertical axis
- F05B2240/215—Rotors for wind turbines with vertical axis of the panemone or "vehicle ventilator" type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/91—Mounting on supporting structures or systems on a stationary structure
- F05B2240/911—Mounting on supporting structures or systems on a stationary structure already existing for a prior purpose
- F05B2240/9112—Mounting on supporting structures or systems on a stationary structure already existing for a prior purpose which is a building
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/80—Repairing, retrofitting or upgrading methods
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Laser Beam Processing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
用于修理涡轮机构件(C)的方法(100)包括以下步骤:设立(110)包括激光源(2)、粉末供给器(3)以及空气源(4)的激光覆层机(1),以便修理涡轮机构件的窄凹部;限定包括窄凹部内的待通过激光覆层来修理的区域的路径(120);使激光覆层机(1)或涡轮机构件(C)向前移动(130),以便所述路径从第一端点至第二端点被用于修理所述待修理的区域的激光束(2a)和粉末喷射流(3a)覆盖;使激光覆层机(1)或涡轮机构件(C)向后移动(130),以便所述路径从第二端点至第一端点被用于吹走过量的粉末的空气喷射流(4a)覆盖。
Description
技术领域
本发明涉及用于通过激光覆层来修理涡轮机构件的方法和机器。具体地,虽然也不排他地,本发明可用于通过激光覆层来修理涡轮机的定子壳体。
背景技术
涡轮机越来越多地用于运行极限,这要求开发设计成再生接近那些新零件的条件的特定的修理技术。旋转零件和非旋转零件两者都因侵蚀和/或磨损而遭受损伤。
例如,蒸汽涡轮轴常常在轴端处的联轴器区域和轴颈轴承区域遭到损伤。在离心式压缩机轴上,对于轴承轴颈和轴端,出现相同的情形,而在压缩机检修的期间非常频繁;发现叶轮密封区域磨损。其他的旋转零件或固定零件也可能遭到损伤,诸如蒸汽涡轮叶片、离心式压缩机壳体或燃气涡轮转子。在具有定子叶片的定子壳体,例如蒸汽涡轮的定子壳体中,接近叶片的区域特别地难以进入。在使用传统的修理技术时,一般地在修理之前要求移除定子叶片。
在上文的领域中,诸如电弧或微等离子体堆焊的常规的修理技术表现出多个缺点,即,具体地,高加热速率、高冷却速率以及低熔融体积。作为备选,已知借助于激光表面处理的修理方法。后者优于备选的表面处理过程的优点包括:
在化学上清洁,因为不牵涉燃烧或离子轰击,
以最小的对基底的传热进行局部加热,导致最小的对构件的热损伤,
后加工程序减少,
可能处理非常硬的材料、易碎的材料或柔软的材料,
可能控制热渗透,
可能使较厚的层沉积。
在激光表面处理方法中,通常已知激光覆层。激光覆层使用激光束来使具有期望的性质的覆层材料融合至表面待修理的构件的基材中。激光覆层提供创建在纯度、均匀性、硬度、键合以及显微结构方面具有优异的性质的表面层的可能性。
已将激光覆层修理方法用于如在US20100287754中所描述地修理固定构件或如在US20090057275中所描述地使小体积的覆层材料沉积。
在修理定子壳体时,具体地,在修理接近定子叶片的区域时,激光覆层对提供具有适合于到达这样的窄凹部的长度的激光束的必要性特别地具有挑战性。另外,未融合至构件的基材的过量的覆层粉末将要求在修理过程之后便利地移除。出于上文的原因,在这样的情况下,在修理受损伤的区域之前,不使用激光覆层,或移除叶片。
因此,将期望提供准许针对每个待修理的涡轮机构件,具体地,针对具有窄凹部的涡轮机构件,例如带有定子叶片的定子壳体而以快速和可再生的方式避免已知的现有技术的这样的不便的经改进的激光覆层方法和机器。
发明内容
根据第一实施例,本发明通过提供用于修理涡轮机构件的方法来达到这样的目标,所述方法包括以下步骤:
设立包括激光源、粉末供给器和空气源的激光覆层机,激光覆层机配置成使得由激光源、粉末供给器和空气源分别生成的激光束、粉末喷射流和空气喷射流汇聚于所述涡轮机构件的窄凹部内的待修理的区域上;
限定包括所述窄凹部内的待通过激光覆层来修理的区域的路径,所述路径在第一端点与第二端点之间延伸;
使激光覆层机和涡轮机构件之一相对于激光覆层机和涡轮机构件的另一个而向前移动,以便所述路径从第一端点至第二端点被用于修理所述待修理的区域的激光束和粉末喷射流覆盖;
使激光覆层机和涡轮机构件之一相对于激光覆层机和涡轮机构件的另一个而向后移动,以便所述路径从第二端点至第一端点被用于从所述凹部吹走过量的粉末的空气喷射流覆盖。
关于其他已知的修理方法,本发明的解决方案允许更迅速地且有效地修理具有遭受损伤和/或磨损和/或腐蚀并因此需要通过表面处理成层方法来修理的窄凹部的涡轮机构件。具体地,在修理具有定子叶片的定子壳体时,无需移除定子叶片。激光覆层过程的使用准许通过使更大的厚度的层沉积来有效地重建更大的损伤体积,不减少被修理构件的机械性质。
根据第一实施例的另一个有利的特征,覆层路径是端点彼此隔开180°的成角度的路径。这允许将本发明的方法应用于迅速地且有效地修理定子壳体的两半。
在第二实施例中,本发明提供包括激光源、粉末供给器和空气源(4)的激光覆层机,激光覆层机配置成使得由激光源、粉末供给器和空气源分别生成的激光束、粉末喷射流和空气喷射流汇聚于相同的区域上。
通过该第二实施例来实现在上文中参考本发明的第一实施例而描述的相同的优点。
附图说明
结合以下附图,根据本发明的实施例的以下描述,本发明的其他的目标特征和优点将变得显而易见,其中:
图1是根据本发明的用于修理涡轮机的方法的总体框图;
图2是根据本发明的激光覆层机的视图;
图3是图2中的激光覆层机的详细视图;以及
图4是图2中的激光覆层机的至关重要的构件的示意图。
具体实施方式
参考附图1,用于修理涡轮机构件C的方法总体上以100指示。
参考附图2-4,用于修理涡轮机构件C的激光覆层机总体上以1指示。
方法1包括设立包括激光源2、粉末供给器3以及空气源4的激光覆层机1的第一步骤110。激光源2和粉末供给器3安装于激光覆层机1的机器人手臂1a上。
激光覆层机1配置成使得由激光源2、粉末供给器3和空气源4分别生成激光束2a、粉末喷射流3a和空气喷射流4a,这些激光束2a、粉末喷射流3a和空气喷射流4a汇聚于涡轮机构件C的窄凹部内的待修理的区域上。激光源2包括用于使激光束2a指向待修理的区域的光学装置20。在本发明的相应的实施例中,便利地选择光学装置20的焦距,以便由激光源2生成的激光束2a具有准许到达涡轮机构件C的窄凹部的便利的长度。
粉末供给器3包括离轴喷嘴30,即生成不与激光束2a同轴的粉末喷射流3a的喷嘴。喷嘴30以这样的方式设在拉长的凸缘31的端部,使得能够便利地使粉末喷射流3a指向涡轮机构件C的窄凹部内的待修理的区域。空气源4包括从入口部分41延伸至出口部分42的柔性管40。柔性管40以这样的方式附接至机器人手臂1a,使得出口部分42定位成极其接近喷嘴30,以便使空气喷射流4a指向待修理的区域。光学装置20、拉长的凸缘31以及柔性管40的终端部分的几何布置包括准许使激光束2a、粉末喷射流3a和空气喷射流4a汇聚于待修理的区域上的出口部分42。柔性管40的入口部分41连接至用于生成流过柔性管40的空气的容积式压缩机43,以便产生通过出口部分42的空气喷射流4a。空气源4还包括用于对容积式压缩机43提供空气的第二管44和用于加热到达出口部分42的空气的热交换器(未表示)。空气喷射流4a的温度必须充分地高,但在任何情况下,都显著地低于构件C的材料的回火温度,以便不修改被修理区域的机械性质和结构。例如,如果构件C由低合金钢制成,则空气喷射流的温度优选地被包括在200℃与250℃之间。
在附图2-4的实施例中,涡轮机构件C是包括两个外壳10(在附图中仅表示一个外壳10,另一个完全相同)的蒸汽涡轮定子壳体,每个外壳10与定子壳体C的相应的半部分相对应。方法1适合于修理沿着外壳10的内表面的因侵蚀和/或磨损而损伤的区域,具体地,接近定子叶片11的区域,例如容纳有蒸汽涡轮的相应的叶轮的相邻的两行定子叶片之间的窄凹部12中的区域。
要注意到,仅仅为了简化附图,在图3中,将多个截然不同的和分开的定子叶片11示出为单件。
在第一步骤110之后,方法100包括第二步骤120,其限定包括待通过在窄凹部内进行激光覆层来修理的区域的线性或成角度的路径P。路径在第一端点A与第二端点B之间延伸。在附图2-4的实施例中,路径P是成角度的,并且,与周长的一半相对应,第一端点A与第二端点B之间的角距离是180°。
在修理损伤区域之前,必须限定激光覆层机1的多个过程参数。过程参数包括:
粉末速率,
激光束功率,
扫描速度,
远离距离(即粉末供给器3的喷嘴与待修理的区域之间的距离),
覆盖气体流动速率,
粉末网目(powder mesh),
能量密度,
激光源2的光学装置20的焦距,
激光束2a与路径P之间的角度。
一些上文的参数取决于构件C的几何结构。具体地,在修理窄凹部中的区域时,焦距必须便利地较高,以便激光束2a沿着路径P到达待修理的区域。考虑到上文的几何约束,必须便利地限定所有其他参数,以便有效地修理构件C的损伤区域。然而,上文的参数的调整不是本发明的特定目标。
如上所述,方法还包括沿着路径P加工待修理的区域,以便创建随后将执行激光覆层的平坦的表面的预备步骤。在附图2-4的实施例中,加工的预备步骤典型地包括根据常规的本领域众所周知的转动程序而通过使用包括其上安装有外壳10的心轴的立式车床来转动待修理的区域。
在限定上文的参数之后,在加工的预备步骤之后,并且,在实行第二步骤120之后,方法100包括第三覆层步骤130,其使激光覆层机1或涡轮机构件C一个相对于另一个而向前移动,以便路径P从第一端点A至第二端点B被用于沿着路径P修理待修理的损伤区域的激光束2a和粉末喷射流3a覆盖。在附图2-4的实施例中,机器人手臂1a沿着圆形路径P从第一端点A移动至第二端点B,以便路径P被激光束2a和粉末喷射流3a覆盖。
在覆层过程的期间,仅将一部分覆层材料,即来自喷射流3a的粉末融合于构件C上。因此,在执行第三步骤130之后,未通过覆层过程而融合于构件C中的过量的粉末将依然沿着路径P。为了移除这样的过多的量,在第三步骤130之后,方法100包括第四清洁步骤140,其使激光覆层机1或涡轮机构件C一个相对于另一个而向后移动,以便路径P从第二端点B至第一端点A被用于将过量的粉末从凹部中的被修理区域吹走的空气喷射流4a覆盖。在附图2-4的实施例中,机器人手臂1a沿着圆形路径P从第二端点B移动至第一端点A,以便路径P被空气喷射流4a覆盖。
根据本发明的不同的实施例,为了完成沿着路径P修理损伤区域,第三步骤130和第四步骤140必须重复一次或多于一次,即次数的总数n≥2,以便涂敷至少两层覆层材料。重复数n取决于每次实行第三覆层步骤130时沉积的覆层材料的层的厚度,并且,取决于为了实现完美的沿着路径P的修理而沉积的覆层材料的总量。
根据本发明的一些实施例,在重复第三步骤130时,激光束2a与沿着待修理的区域的路径P之间的角度改变。典型地,在所有情况下,这样的角度都低于或等于90°。
通常,能够通过使用如上所述的激光覆层方法和机器而利用本发明的方法来修理许多其他的涡轮机构件。
在所有情况下,至关重要的是,分别相继地重复第三步骤130和第四步骤140,以便在每次实行第三覆层步骤130之后,清洁被修理区域,使其免受未融合的覆层材料污染。
Claims (7)
1. 一种用于修理涡轮机构件(C)的方法(100),包括以下步骤:
设立(110)包括激光源(2)、粉末供给器(3)和空气源(4)的激光覆层机(1),所述激光覆层机(1)配置成使得由所述激光源(2)、所述粉末供给器(3)和所述空气源(4)分别生成的激光束(2a)、粉末喷射流(3a)和空气喷射流(4a)汇聚于所述涡轮机构件的窄凹部内的待修理的区域上;
限定路径(120),其包括所述窄凹部内的待通过激光覆层来修理的区域,所述路径在第一端点与第二端点之间延伸;
使所述激光覆层机(1)和所述涡轮机构件(C)之一相对于所述激光覆层机(1)和所述涡轮机构件(C)的另一个而向前移动(130),以便所述路径从所述第一端点至所述第二端点被用于修理所述待修理的区域的所述激光束(2a)和所述粉末喷射流(3a)覆盖;
使所述激光覆层机(1)和所述涡轮机构件(C)之一相对于所述激光覆层机(1)和所述涡轮机构件(C)的另一个而向后移动(140),以便所述路径从所述第二端点至所述第一端点被用于从所述凹部吹走过量的所述粉末的所述空气喷射流(4a)覆盖。
2. 根据权利要求1所述的方法(100),其特征在于,将向前移动(130)和向后移动(140)的步骤重复一次或多于一次。
3. 根据权利要求1或权利要求2所述的方法(100),其特征在于,所述路径是成角度的路径。
4. 根据任何先前的权利要求所述的方法(100),其特征在于,所述第一点和所述第二点彼此成角度地隔开180°。
5. 根据任何先前的权利要求所述的方法(100),其特征在于,所述涡轮机构件(C)是定子壳体。
6. 一种激光覆层机(1),包括激光源(2)、粉末供给器(3)和空气源(4),所述激光覆层机(1)配置成使得由所述激光源(2)、所述粉末供给器(3)和所述空气源(4)分别生成的激光束(2a)、粉末喷射流(3a)和空气喷射流(4a)汇聚于相同的区域上。
7. 根据权利要求6所述的激光覆层机(1),其特征在于,包括用于执行根据权利要求1至5的任一项所述的方法的特定装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITCO2012A000040 | 2012-09-07 | ||
IT000040A ITCO20120040A1 (it) | 2012-09-07 | 2012-09-07 | Metodo per la riparazione di un componente di turbomacchina |
PCT/EP2013/068162 WO2014037338A1 (en) | 2012-09-07 | 2013-09-03 | A method for repairing a turbomachine component |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104703750A true CN104703750A (zh) | 2015-06-10 |
CN104703750B CN104703750B (zh) | 2018-10-16 |
Family
ID=47222204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201380046594.3A Active CN104703750B (zh) | 2012-09-07 | 2013-09-03 | 用于修理涡轮机构件的方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US20150217415A1 (zh) |
EP (1) | EP2892685B1 (zh) |
JP (1) | JP6537968B2 (zh) |
KR (1) | KR102214005B1 (zh) |
CN (1) | CN104703750B (zh) |
BR (1) | BR112015004546B8 (zh) |
IT (1) | ITCO20120040A1 (zh) |
PL (1) | PL2892685T3 (zh) |
RU (1) | RU2652280C2 (zh) |
WO (1) | WO2014037338A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9669489B2 (en) * | 2014-05-19 | 2017-06-06 | United Technologies Corporation | Methods of repairing integrally bladed rotors |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5245155A (en) * | 1992-03-06 | 1993-09-14 | General Electric Company | Single point powder feed nozzle for use in laser welding |
US5837960A (en) * | 1995-08-14 | 1998-11-17 | The Regents Of The University Of California | Laser production of articles from powders |
EP1637274A1 (en) * | 2004-09-16 | 2006-03-22 | Rolls-Royce Plc | Forming structures by laser deposition |
US20060067830A1 (en) * | 2004-09-29 | 2006-03-30 | Wen Guo | Method to restore an airfoil leading edge |
CN1757792A (zh) * | 2004-09-30 | 2006-04-12 | 通用电气公司 | 用于涡轮机部件的耐腐蚀且耐磨的防护结构 |
US20090057275A1 (en) * | 2007-08-31 | 2009-03-05 | General Electric Company | Method of Repairing Nickel-Based Alloy Articles |
CN101827683A (zh) * | 2007-10-18 | 2010-09-08 | 西门子公司 | 固定的转子密封的修复 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03294076A (ja) * | 1990-04-13 | 1991-12-25 | Toshiba Corp | レーザ肉盛方法 |
RU2107598C1 (ru) * | 1996-01-29 | 1998-03-27 | Владимир Сергеевич Глазков | Способ восстановления изношенных поверхностей шеек осей вагонных колесных пар путем лазерной наплавки |
JPH10296479A (ja) * | 1997-04-25 | 1998-11-10 | Toyota Motor Corp | レーザクラッド加工装置 |
JP3697874B2 (ja) * | 1997-12-22 | 2005-09-21 | 日産自動車株式会社 | レーザクラッド用粉末供給装置 |
CA2284759C (en) * | 1998-10-05 | 2006-11-28 | Mahmud U. Islam | Process for manufacturing or repairing turbine engine or compressor components |
JP4201954B2 (ja) * | 2000-03-28 | 2008-12-24 | 株式会社東芝 | Ni基単結晶超合金からなるガスタービン翼の補修方法およびその装置 |
JP3536801B2 (ja) * | 2000-09-14 | 2004-06-14 | 日産自動車株式会社 | シリンダヘッドのレーザクラッド加工方法 |
US6531005B1 (en) * | 2000-11-17 | 2003-03-11 | General Electric Co. | Heat treatment of weld repaired gas turbine engine components |
FR2882533B1 (fr) * | 2005-02-25 | 2007-07-06 | Snecma Moteurs Sa | Procede de reparation de disque aubage monobloc, eprouvette de debut et de fin campagne |
DE102006034055A1 (de) * | 2006-07-20 | 2008-01-24 | Mtu Aero Engines Gmbh | Verfahren zur Reparatur eines Leitschaufelsegments für ein Strahltriebwerk |
JP2008142732A (ja) * | 2006-12-08 | 2008-06-26 | Nissan Motor Co Ltd | レーザクラッド加工方法及びレーザクラッド加工装置の粉末供給装置 |
JP5189824B2 (ja) * | 2007-11-02 | 2013-04-24 | 本田技研工業株式会社 | バルブシートの肉盛り処理方法及びその装置 |
US20090271983A1 (en) * | 2008-04-30 | 2009-11-05 | Rose William M | Method to weld repair blade outer air seals |
WO2012152461A1 (en) * | 2011-05-10 | 2012-11-15 | Sulzer Turbo Services Venlo B.V. | Process for cladding a substrate |
JP7042589B2 (ja) * | 2017-11-14 | 2022-03-28 | 旭化成株式会社 | 負極 |
-
2012
- 2012-09-07 IT IT000040A patent/ITCO20120040A1/it unknown
-
2013
- 2013-09-03 JP JP2015530365A patent/JP6537968B2/ja not_active Expired - Fee Related
- 2013-09-03 US US14/426,434 patent/US20150217415A1/en not_active Abandoned
- 2013-09-03 KR KR1020157005884A patent/KR102214005B1/ko active IP Right Grant
- 2013-09-03 PL PL13756478T patent/PL2892685T3/pl unknown
- 2013-09-03 EP EP13756478.7A patent/EP2892685B1/en active Active
- 2013-09-03 BR BR112015004546A patent/BR112015004546B8/pt not_active IP Right Cessation
- 2013-09-03 WO PCT/EP2013/068162 patent/WO2014037338A1/en active Application Filing
- 2013-09-03 CN CN201380046594.3A patent/CN104703750B/zh active Active
- 2013-09-03 RU RU2015106197A patent/RU2652280C2/ru active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5245155A (en) * | 1992-03-06 | 1993-09-14 | General Electric Company | Single point powder feed nozzle for use in laser welding |
US5837960A (en) * | 1995-08-14 | 1998-11-17 | The Regents Of The University Of California | Laser production of articles from powders |
EP1637274A1 (en) * | 2004-09-16 | 2006-03-22 | Rolls-Royce Plc | Forming structures by laser deposition |
US20060067830A1 (en) * | 2004-09-29 | 2006-03-30 | Wen Guo | Method to restore an airfoil leading edge |
CN1757792A (zh) * | 2004-09-30 | 2006-04-12 | 通用电气公司 | 用于涡轮机部件的耐腐蚀且耐磨的防护结构 |
US20090057275A1 (en) * | 2007-08-31 | 2009-03-05 | General Electric Company | Method of Repairing Nickel-Based Alloy Articles |
CN101827683A (zh) * | 2007-10-18 | 2010-09-08 | 西门子公司 | 固定的转子密封的修复 |
Also Published As
Publication number | Publication date |
---|---|
JP2015529769A (ja) | 2015-10-08 |
WO2014037338A1 (en) | 2014-03-13 |
RU2652280C2 (ru) | 2018-04-25 |
EP2892685B1 (en) | 2020-08-12 |
PL2892685T3 (pl) | 2020-12-28 |
CN104703750B (zh) | 2018-10-16 |
EP2892685A1 (en) | 2015-07-15 |
JP6537968B2 (ja) | 2019-07-03 |
BR112015004546B1 (pt) | 2022-02-01 |
BR112015004546A2 (pt) | 2017-07-04 |
ITCO20120040A1 (it) | 2014-03-08 |
BR112015004546B8 (pt) | 2022-10-18 |
KR20150052071A (ko) | 2015-05-13 |
US20150217415A1 (en) | 2015-08-06 |
RU2015106197A (ru) | 2016-10-27 |
KR102214005B1 (ko) | 2021-02-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5618643B2 (ja) | ガスタービン動翼の補修方法およびガスタービン動翼 | |
US8969760B2 (en) | System and method for manufacturing an airfoil | |
US8993923B2 (en) | System and method for manufacturing an airfoil | |
US9815139B2 (en) | Method for processing a part with an energy beam | |
US20080028605A1 (en) | Weld repair of metallic components | |
US20160243655A1 (en) | Component repair using confined laser drilling | |
EP3059044B1 (en) | Component repair using confined laser drilling | |
EP2753799B2 (en) | Nutreparatur einer rotordrahtdichtung | |
US20160186626A1 (en) | Engine component and methods for an engine component | |
JP2010203258A (ja) | 動翼の補修方法 | |
CN104703750A (zh) | 用于修理涡轮机构件的方法 | |
US20180044771A1 (en) | Aluminum Fan Blade Tip Prepared for Thermal Spray Deposition of Abrasive by Laser Ablation | |
KR101926948B1 (ko) | 파우더 공급 헤드의 관리 방법, 에로전 실드의 형성 방법 및 장치 | |
US10907483B2 (en) | Turbine blade, erosion shield forming method, and turbine blade manufacturing method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220317 Address after: Italy, Florence Patentee after: NUOVO PIGNONE TECNOLOGIE S.R.L. Address before: Italy, Florence Patentee before: NUOVO PIGNONE S.R.L. |