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1. (WO2017152995) DEVICE AND METHOD FOR RE-CONTOURING A GAS TURBINE BLADE
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2017/152995 International Application No.: PCT/EP2016/055300
Publication Date: 14.09.2017 International Filing Date: 11.03.2016
IPC:
B23P 6/00 (2006.01) ,B24B 21/16 (2006.01) ,B24B 19/14 (2006.01) ,F01D 5/00 (2006.01) ,B23C 3/18 (2006.01) ,B23Q 9/00 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
P
OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
6
Restoring or reconditioning objects
B PERFORMING OPERATIONS; TRANSPORTING
24
GRINDING; POLISHING
B
MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
21
Machines or devices using grinding or polishing belts; Accessories therefor
16
for grinding other surfaces of particular shape
B PERFORMING OPERATIONS; TRANSPORTING
24
GRINDING; POLISHING
B
MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
19
Single purpose machines or devices for particular grinding operations not covered by any other main group
14
for grinding turbine blades, propeller blades or the like
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
D
NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
5
Blades; Blade-carrying members; Heating, heat-insulating, cooling, or antivibration means on the blades or the members
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
C
MILLING
3
Milling particular work; Special milling operations; Machines therefor
16
Working surfaces curved in two directions
18
for shaping screw-propellers, turbine blades, or impellers
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
Q
DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL, CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
9
Arrangements for supporting or guiding portable metal-working machines or apparatus
Applicants:
LUFTHANSA TECHNIK AG [DE/DE]; Weg beim Jäger 193 22335 Hamburg, DE
Inventors:
PETERS, Jan, Oke; DE
GARTNER, Thomas; DE
SCHÖN, Joachim; DE
KUNTZAGK, Stefan; DE
Agent:
MÜLLER VERWEYEN PATENTANWÄLTE; Friedensallee 290 22763 Hamburg, DE
Priority Data:
Title (EN) DEVICE AND METHOD FOR RE-CONTOURING A GAS TURBINE BLADE
(FR) DISPOSITIF ET PROCÉDÉ DE CORRECTION DE CONTOURS D'UNE AUBE DE TURBINE À GAZ
(DE) VORRICHTUNG UND VERFAHREN ZUM REKONTURIEREN EINER GASTURBINENSCHAUFEL
Abstract:
(EN) A device (1) for re-contouring gas turbine blades (2) in the installed state, comprising a holding device (3) with at least one chip-removing tool (4), and a guide device (5) for guiding the chip-removing tool (4) along a leading edge (6) of the gas turbine blade (2), wherein the chip-removing tool (4) removes material from the gas turbine blade (2) by a rotational movement about an axis of rotation (7), wherein the axis of rotation (7) encloses, with a chord (8) of the gas turbine blade (2) in a profile section plane running perpendicular to a radial extent of the gas turbine blade (2), an angle (α, β), wherein the angle (α, β) is less than 45°.
(FR) L'invention concerne un dispositif (1) pour la correction de contours d'aubes de turbine à gaz (2) dans l'état monté, comprenant un dispositif de support (3) avec au moins un outil de coupe (4) et un dispositif de guidage (5) pour le guidage de l'outil de coupe (4) le long d'une arête d'introduction (6) de l'aube de turbine à gaz (2), l'outil de coupe (4) éliminant du matériau de l'aube de turbine à gaz (2) par un mouvement de rotation autour d'un axe de rotation (7), l'axe de rotation (7) formant un angle (α, β) avec une corde de profil (8) de l'aube de turbine à gaz (2) dans une section transversale de profil, qui s'étend de manière perpendiculaire à une extension radiale de l'aube de turbine à gaz (2), l'angle (α, β) étant inférieur à 45 °.
(DE) Vorrichtung (1) zur Rekonturierung von Gasturbinenschaufeln (2) im eingebauten Zustand, umfassend eine Haltevorrichtung (3) mit wenigstens einem spanenden Werkzeug (4), und eine Führungsvorrichtung (5) zur Führung des spanenden Werkzeugs (4) entlang einer Eintrittskante (6) der Gasturbinenschaufel (2), wobei das spanende Werkzeug (4) durch eine Rotationsbewegung um eine Rotationsachse (7) Material von der Gasturbinenschaufel (2) abträgt, wobei die Rotationsachse (7) mit einer Profilsehne (8) der Gasturbinenschaufel (2) in einer Profilschnittebene, die senkrecht zu einer radialen Erstreckung der Gasturbinenschaufel (2) ver läuft, einen Winkel (α, β) einschließt, wobei der Winkel (α, β) kleiner als 45° ist.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: German (DE)
Filing Language: German (DE)