DE10343760A1 - Process for repairing a rotor of a compressor comprises inserting a profiled groove into the surface of a replacement blade section before welding so that the groove corresponds to the shape and size of a blunt section - Google Patents
Process for repairing a rotor of a compressor comprises inserting a profiled groove into the surface of a replacement blade section before welding so that the groove corresponds to the shape and size of a blunt section Download PDFInfo
- Publication number
- DE10343760A1 DE10343760A1 DE10343760A DE10343760A DE10343760A1 DE 10343760 A1 DE10343760 A1 DE 10343760A1 DE 10343760 A DE10343760 A DE 10343760A DE 10343760 A DE10343760 A DE 10343760A DE 10343760 A1 DE10343760 A1 DE 10343760A1
- Authority
- DE
- Germany
- Prior art keywords
- section
- blade
- stump
- groove
- face
- 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
Classifications
-
- 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
- B23P6/005—Repairing turbine components, e.g. moving or stationary blades, rotors using only replacement pieces of a particular form
-
- 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
- B23K13/00—Welding by high-frequency current heating
- B23K13/01—Welding by high-frequency current heating by induction heating
-
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/006—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine wheels
-
- 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
- B23K2101/001—Turbines
-
- 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
- F05B2220/00—Application
- F05B2220/30—Application in turbines
- F05B2220/302—Application in turbines in gas turbines
-
- 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
- F05B2230/00—Manufacture
- F05B2230/20—Manufacture essentially without removing material
- F05B2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05B2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
-
- 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
- F05B2230/00—Manufacture
- F05B2230/60—Assembly methods
- F05B2230/604—Assembly methods using positioning or alignment devices for aligning or centering, e.g. pins
-
- 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
- F05B2230/00—Manufacture
- F05B2230/60—Assembly methods
- F05B2230/61—Assembly methods using auxiliary equipment for lifting or holding
-
- 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
- F05B2230/00—Manufacture
- F05B2230/80—Repairing, retrofitting or upgrading methods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Reparatur oder Herstellung eines beschaufelten Rotors für eine Strömungsmaschine gemäß den Oberbegriffen der Patentansprüche 1 bis 4 sowie dafür geeignete Schaufeln bzw. Ersatzschaufelabschnitte gemäß den Oberbegriffen der Patentansprüche 7 und 8.The The invention relates to a method for repair or production a bladed rotor for a flow machine according to the preambles of claims 1 to 4 as well suitable blades or spare blade sections according to the preambles of the claims 7 and 8.
Aus
der
Nachteilig an diesem Verfahren ist einerseits eine Positionsgenauigkeit, die sehr hohen Anforderungen nicht genügt und andererseits, dass dabei Kerben im Verbindungsbereich von Schaufel und Stumpf auftreten können.adversely On the one hand, a positional accuracy, the very high requirements is not enough and on the other hand, that there are notches can occur in the connecting region of the blade and stump.
Die Aufgabe der vorliegenden Erfindung besteht daher darin, ein Verfahren zur Reparatur oder Herstellung eines beschaufelten Rotors anzugeben, welches eine bessere Positionsgenauigkeit aufweist sowie dafür geeignete Schaufeln bzw. Ersatzschaufelabschnitte.The The object of the present invention is therefore a method to provide for the repair or manufacture of a bladed rotor, which has a better positional accuracy as well as suitable Blades or spare blade sections.
Diese Aufgabe wird von einem Verfahren mit den Merkmalen der Oberbegriffe der Patentansprüche 1 bis 4 durch deren kennzeichnende Merkmale gelöst. Vorteilhafte Ausgestaltungen sind in den Unteransprüchen angegeben. Die Aufgabe wird von einer Schaufel bzw. einem Ersatzschaufelabschnitt mit den Merkmalen der Oberbegriffe der Patentansprüche 7 und 8 durch deren kennzeichnende Merkmale gelöst.These Task is by a method with the characteristics of the generic terms of the claims 1 to 4 solved by the characterizing features. Advantageous embodiments are in the subclaims specified. The task is performed by a blade or a spare blade section with the features of the preambles of claims 7 and 8 solved by their characterizing features.
Gemäß der Erfindung wird in die Oberfläche der Schaufel bzw. des Ersatzschaufelabschnitts eine Nut eingebracht, die in Form und Größe einem Schaufelstumpf bzw. einem Stumpfabschnitt derart entspricht, dass der Stumpf bzw. der Stumpfabschnitt leichtgängig in die Nut einfahren kann und dabei von der Nut zwangsgeführt wird. Danach werden beide Teile induktionsverschweißt.According to the invention gets into the surface of the The blade or the replacement blade section a groove introduced, the shape and size of a stump or a stump section corresponds to such that the stump or the stump section smoothly can retract into the groove and is positively guided by the groove. Thereafter, both parts are induction welded.
Die
Zwangsführung
gewährleistet
gegenüber
dem einfachen Vorhalten gemäß dem Stand
der Technik nach der
In einer vorteilhaften Ausgestaltung wird zusätzlich die Stirnfläche des Stumpfs bzw. Stumpfabschnitts entlang ihres Umfangs abgetragen, so dass ein Höcker entsteht, wobei Höcker und Nut derart in Form und Größe aneinander angepasst werden, dass der Höcker leichtgängig in die Nut einfahren kann und dabei von der Nut zwangsgeführt wird.In an advantageous embodiment, the end face of the Blunt or stump section removed along its circumference, leaving a hump arises, with cusps and groove in such shape and size together be adapted to the hump smooth can retract into the groove and is positively guided by the groove.
Ein solches Verfahren weist die gleiche hohe Positionsgenauigkeit auf. Darüber hinaus ist aber der Nachbearbeitungsaufwand geringer, da weniger Material im Übergangsbereich von Stumpf und Schaufel bearbeitet werden muss. Die Nachbearbeitung erfolgt vorzugsweise spanend.One such method has the same high positional accuracy. About that but the Nachbearbeitungsaufwand is less because less Material in the transition area must be processed by stump and shovel. The postprocessing is preferably carried out by cutting.
Die Nut kann mittels der üblichen Bearbeitungsverfahren hergestellt werden, insbesondere durch Fräsen, Erodieren oder durch elektro-chemisches Bearbeiten (ECM).The Groove can by means of the usual Processing methods are produced, in particular by milling, eroding or by electrochemical machining (ECM).
Weitere
vorteilhafte Verfahrensdetails sind dem Fachmann z.B. aus der
Ein erfindungsgemäßer Ersatzschaufelabschnitt für den Ersatz eines beschädigten Schaufelabschnitts für einen Rotor einer Strömungsmaschine weist an der zur Anbringung an die Schaufel vorgesehenen Seite des Ersatzschaufelabschnitts in seiner Oberfläche eine Nut auf. Diese Nut ist vorteilhafter Weise so gestaltet, dass sie in Form und Größe dem Stumpfabschnitt der zu reparierenden Schaufel derart entspricht, dass der Stumpfabschnitt leichtgängig in die Nut einfahren kann und dabei von der Nut zwangsgeführt wird. Die Schaufel ist profiliert, entsprechend ist es auch der Stumpfabschnitt. Die Nut ist entweder an das Profil des Stumpfabschnitts angepasst oder letzterer muss durch entsprechendes Abtragen seines Umfangs an das Profil der Nut angepasst werden.One Inventive spare blade section for the Replacement of a damaged one Shovel section for a rotor of a turbomachine has on the side of the replacement blade section intended for attachment to the blade in its surface a groove on. This groove is advantageously designed so that they shape and size the stump section the blade to be repaired corresponds to the stump section smooth can retract into the groove and is positively guided by the groove. The blade is profiled, accordingly, it is also the stump section. The groove is adapted either to the profile of the butt section or the latter must by appropriate removal of its scope adapted to the profile of the groove.
Eine erfindungsgemäße Schaufel für die Herstellung eines Rotors einer Strömungsmaschine weist eine Nut auf, die in Form und Größe an einen Stumpf auf dem Träger des Rotors ebenso angepasst ist, wie der oben beschriebene Ersatzschaufelabschnitt.A inventive blade for the production a rotor of a turbomachine has a groove that in shape and size to a stump on the carrier of the rotor is adapted as well as the replacement blade section described above.
Nachfolgend
wird das erfindungsgemäße Verfahren
anhand von mehreren Ausführungsbeispielen
und der
Wie
in der Ausschnittsvergrößerung gemäß
Ebenfalls
aus
Erfindungsgemäß wird in
einem nächsten Schritt
des erfindungsgemäßen Verfahrens
in einen Ersatzschaufelabschnitt
In
einem weiteren Verfahrensschritt wird gemäß
Abschließend erfolgt
der Schweißvorgang unter
Schutzgasatmosphäre.
Dabei wird der Induktor
In
einer weiteren Ausgestaltung des erfindungsgemäßen Verfahrens wird der Stumpf
Bei dieser Ausgestaltung muss der Querschnitt des Ersatzschaufelabschnitts 20 im Verschmelzungsbereich nicht mehr (wie im ersten Ausführungsbeispiel) größer sein als der Querschnitt des Stumpfs, sondern beide sind gleich groß. Dadurch wird man einerseits in der Wahl von Form und Größe der Nut freier (es können auch mehrere eingebracht werden). Andererseits liegt nach dem Schweißen im Fügebereich keine oder nur eine geringe Verdickung vor, wodurch evtl. Nachbearbeitungsaufwand deutlich gesenkt wird.at This configuration must have the cross section of the replacement blade section 20 in the merge area no longer (as in the first embodiment) to be taller as the cross-section of the stump, but both are the same size. This will one on the other hand in the choice of shape and size of the groove free (it can also several are introduced). On the other hand, after welding lies in the joint area no or only a small thickening in front, whereby possibly reworking effort is significantly reduced.
Das
erfindungsgemäße Herstellungsverfahren
unterscheidet sich von dem oben beschriebenen Reparaturverfahren
im wesentlichen nur dadurch, dass kein beschädigter Schaufelabschnitt zu
entfernen ist und der Stumpf
- 11
- Träger, scheibenförmigCarrier, disc-shaped
- 22
- Umfangsfläche des TrägersPeripheral surface of the carrier
- 3, 4, 53, 4, 5
- Schaufelnshovel
- 4', 5'4 ', 5'
- zu ersetzende Schaufelabschnitteto replacing blade sections
- 66
- SchaufelvorderkanteBlade leading edge
- 77
- SchaufelhinterkanteBlade trailing edge
- 88th
- Schaufelspitzeblade tip
- 9, 129 12
- Trennebeneparting plane
- 1010
- Stumpfabschnittcone section
- 1111
- Stirnfläche des StumpfabschnittsFace of the conical portion
- 13, 13'13 13 '
- Stumpfdull
- 1414
- Stirnfläche des StumpfesFace of the dull
- 140140
- Höckercusp
- 1616
- Induktorinductor
- 2020
- ErsatzschaufelabschnittReplacement vane section
- 20'20 '
- neue Schaufelnew shovel
- 2121
- Oberflächesurface
- 210210
- Nutgroove
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10343760A DE10343760B4 (en) | 2003-09-22 | 2003-09-22 | Method for producing or repairing a bladed rotor for a turbomachine, as well as blades or spare blade sections suitable therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10343760A DE10343760B4 (en) | 2003-09-22 | 2003-09-22 | Method for producing or repairing a bladed rotor for a turbomachine, as well as blades or spare blade sections suitable therefor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10343760A1 true DE10343760A1 (en) | 2005-04-14 |
DE10343760B4 DE10343760B4 (en) | 2008-02-14 |
Family
ID=34306004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10343760A Expired - Fee Related DE10343760B4 (en) | 2003-09-22 | 2003-09-22 | Method for producing or repairing a bladed rotor for a turbomachine, as well as blades or spare blade sections suitable therefor |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10343760B4 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007048384A1 (en) * | 2005-10-26 | 2007-05-03 | Mtu Aero Engines Gmbh | Method of producing a welded joint |
EP1785590A1 (en) * | 2005-11-10 | 2007-05-16 | Sulzer Markets and Technology AG | Workpiece and welding method for the fabrication of a workpiece |
WO2007095902A1 (en) * | 2006-02-25 | 2007-08-30 | Mtu Aero Engines Gmbh | Method for producing and repairing an integrally bladed rotor |
WO2007107145A1 (en) * | 2006-03-20 | 2007-09-27 | Mtu Aero Engines Gmbh | Method and device for joining by way of inductive hf pressure welding a rotor blade with a rotor support of a gas turbine with automatic supply of the rotor blade |
WO2008131724A1 (en) * | 2007-04-27 | 2008-11-06 | Mtu Aero Engines Gmbh | Semi-finished product for producing a repaired blade for a gas turbine and repair method for repairing a blade for a gas turbine |
WO2010054627A1 (en) * | 2008-11-13 | 2010-05-20 | Mtu Aero Engines Gmbh | Method for producing or repairing integrally bladed gas turbine rotors |
GB2508886A (en) * | 2012-12-14 | 2014-06-18 | Rolls Royce Plc | Aligning replacement aerofoil vane with platform |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE450822A (en) * | 1942-05-28 | |||
CH448130A (en) * | 1966-05-16 | 1967-12-15 | Escher Wyss Ag | Blade for steam or gas turbine |
FR2631268A1 (en) * | 1988-05-11 | 1989-11-17 | Snecma | Method of repairing blades for bladed rotor discs of a turbo- machine and bladed rotor wheel obtained by the said method |
US5755031A (en) * | 1996-11-12 | 1998-05-26 | United Technologies Corporation | Method for attaching a rotor blade to an integrally bladed rotor |
DE19831736C2 (en) * | 1998-07-15 | 2000-05-31 | Mtu Muenchen Gmbh | Method for repairing and manufacturing an integrally bladed rotor for a turbomachine |
DE19963714A1 (en) * | 1999-12-29 | 2001-07-05 | Abb Alstom Power Ch Ag | Method for repairing rotating components of gas turbine uses focussed material jet of water to separate predeterminable interface over an area of a component and then locking on replacement part with keyed engagement |
DE10013373A1 (en) * | 2000-03-17 | 2001-09-20 | Abb Alstom Power Nv | Turbine blade for steam turbine; has blade plate with blade foot and blade tip, where lower part of blade and foot are made of steel and upper part of blade and tip are of titanium or aluminium alloy |
-
2003
- 2003-09-22 DE DE10343760A patent/DE10343760B4/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007048384A1 (en) * | 2005-10-26 | 2007-05-03 | Mtu Aero Engines Gmbh | Method of producing a welded joint |
EP1785590A1 (en) * | 2005-11-10 | 2007-05-16 | Sulzer Markets and Technology AG | Workpiece and welding method for the fabrication of a workpiece |
WO2007054391A1 (en) * | 2005-11-10 | 2007-05-18 | Sulzer Markets And Technology Ag | Workpiece, and welding method for producing a workpiece |
US8162614B2 (en) | 2005-11-10 | 2012-04-24 | Sulzer Markets And Technology Ag | Workpiece, and also a welding method for the manufacture of a workpiece |
WO2007095902A1 (en) * | 2006-02-25 | 2007-08-30 | Mtu Aero Engines Gmbh | Method for producing and repairing an integrally bladed rotor |
WO2007107145A1 (en) * | 2006-03-20 | 2007-09-27 | Mtu Aero Engines Gmbh | Method and device for joining by way of inductive hf pressure welding a rotor blade with a rotor support of a gas turbine with automatic supply of the rotor blade |
WO2008131724A1 (en) * | 2007-04-27 | 2008-11-06 | Mtu Aero Engines Gmbh | Semi-finished product for producing a repaired blade for a gas turbine and repair method for repairing a blade for a gas turbine |
WO2010054627A1 (en) * | 2008-11-13 | 2010-05-20 | Mtu Aero Engines Gmbh | Method for producing or repairing integrally bladed gas turbine rotors |
US8360302B2 (en) | 2008-11-13 | 2013-01-29 | Mtu Aero Engines Gmbh | Method for producing or repairing integrally bladed gas turbine rotors |
GB2508886A (en) * | 2012-12-14 | 2014-06-18 | Rolls Royce Plc | Aligning replacement aerofoil vane with platform |
Also Published As
Publication number | Publication date |
---|---|
DE10343760B4 (en) | 2008-02-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE19831736C2 (en) | Method for repairing and manufacturing an integrally bladed rotor for a turbomachine | |
DE4327189C2 (en) | Repair method for damaged blades of turbomachinery in the head or edge area | |
EP1771270B1 (en) | Method for producing aerodynamic structures during the production of integrally bladed gas turbine rotors | |
DE102009033835B4 (en) | Method for replacing a blade of a rotor with integrated blading and such a rotor | |
DE102008058140A1 (en) | Method for repair of single crystal turbine blades, particularly high-pressure turbine stage, involves removing damaged blade part of turbine blades at parting plane on remaining blade | |
DE102012201305B4 (en) | Electrode and plant for electrochemical machining and process for this purpose | |
EP1654089B1 (en) | Method for producing integrated blade rotors for a gas turbine mounted by capacitor discharge welding | |
DE102007019949A1 (en) | A semi-finished product for producing a repaired blade for a gas turbine and repair method for repairing a blade for a gas turbine | |
DE102004036066A1 (en) | Method for repairing or manufacturing a component | |
DE10343760B4 (en) | Method for producing or repairing a bladed rotor for a turbomachine, as well as blades or spare blade sections suitable therefor | |
DE4131650C2 (en) | Method for securing a fitting in a spark-erosive wire cutting machine | |
EP1940581B1 (en) | Method of producing a welded joint | |
EP3281728A1 (en) | Method for producing a component of a rotary machine and component produced according to such a method | |
EP1618986A2 (en) | Method and repair blade piece for repairing or manufacturing of BLISKs | |
EP3138648B1 (en) | Device for producing a blade | |
EP0882545A2 (en) | Repairing method for integrally cast stator rings of a turbine | |
DE10319020A1 (en) | Method and device for rounding edges on components | |
DE102015200405A1 (en) | Method for repairing a platform of a blade segment | |
WO2021073675A1 (en) | Method and electrode for machining components by electrochemical machining | |
DE102007062559A1 (en) | Method for producing and repairing a component and component of a gas turbine | |
EP3538315B1 (en) | Method of producing a cavity in a blade platform ; corresponding blade | |
WO2015106873A1 (en) | Method for repairing a blade segment | |
EP0420088A2 (en) | Method and device to separate an element encapsulated in a fusible material, from this fusible material | |
DE8915593U1 (en) | Cutting roller or punching cylinder |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20130403 |