WO2010149720A1 - Procede de fabrication d'une piece forgee avec polissage adaptatif - Google Patents
Procede de fabrication d'une piece forgee avec polissage adaptatif Download PDFInfo
- Publication number
- WO2010149720A1 WO2010149720A1 PCT/EP2010/058946 EP2010058946W WO2010149720A1 WO 2010149720 A1 WO2010149720 A1 WO 2010149720A1 EP 2010058946 W EP2010058946 W EP 2010058946W WO 2010149720 A1 WO2010149720 A1 WO 2010149720A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- abrasive belt
- polishing
- semi
- forging
- workpiece
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/16—Machines or devices using grinding or polishing belts; Accessories therefor for grinding other surfaces of particular shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K3/00—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like
- B21K3/04—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like blades, e.g. for turbines; Upsetting of blade roots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
- G01B7/285—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures of propellers or turbine blades
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
- G01B7/287—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/42—Recording and playback systems, i.e. in which the program is recorded from a cycle of operations, e.g. the cycle of operations being manually controlled, after which this record is played back on the same machine
- G05B19/4202—Recording and playback systems, i.e. in which the program is recorded from a cycle of operations, e.g. the cycle of operations being manually controlled, after which this record is played back on the same machine preparation of the program medium using a drawing, a model
- G05B19/4207—Recording and playback systems, i.e. in which the program is recorded from a cycle of operations, e.g. the cycle of operations being manually controlled, after which this record is played back on the same machine preparation of the program medium using a drawing, a model in which a model is traced or scanned and corresponding data recorded
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45147—Machining blade, airfoil
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/50—Machine tool, machine tool null till machine tool work handling
- G05B2219/50207—Surface finish
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49764—Method of mechanical manufacture with testing or indicating
- Y10T29/49778—Method of mechanical manufacture with testing or indicating with aligning, guiding, or instruction
Definitions
- the present invention relates to the field of the manufacture of parts such as turbomachine blades by the forging technique, in particular precision forging. It relates more particularly to the manufacture of large titanium alloy blades such as turbojet fan blades and the finishing thereof with geometric conformity of the semi-finished part coming from forging by an adaptive polishing operation. .
- Turbojet blower vanes are typically produced by precision forging. Forging precision consists in operating by successive striking of a blank in appropriate dies until a semi-finished piece having a shape and dimensional characteristics close to the finished part is obtained. In the case of a semi-finished fan blade after forging, the blade does not comply with the final specifications, in terms of geometric characteristics, within accepted tolerances. These characteristics are for example the twisting which is a rotation of the sections of the blade on the stacking axis, the buckling which is a bending of the blade with respect to the stacking axis and reference points, the ripple and a defect in shape.
- a compliance of the blade is necessary. Overall, this consists in correcting the profile of the upper surface and the lower surface by removing material at the locations of the blade having an excess thickness with respect to the theoretical profile. In the context of precision forging, the correction concerns the removal of an allowance of up to a few tenths of a millimeter, generally between 0.4 and 0.6 mm.
- a number of points corresponding to the theoretical profile are determined, distributed along an array along the axis of the blade and between the leading edge and the trailing edge.
- the geometric characteristics of the semi-finished blade are measured at these points by three-dimensional feeler means.
- Patent EP 1596156 in the name of the applicant describes such a means. We thus know the difference between the theoretical profile and the actual profile.
- the thickness sorting operation is then carried out which consists in analyzing and protecting, by applying a coating, the least thick areas of the part. This operation is performed mainly manually. Then, between these protected areas, the excess material is removed by chemical machining, which consists of keeping the piece for a predetermined time in an acid bath suitable for attacking the metal.
- a manual recovery is then carried out by local and iterative polishing of the out-of-tolerance zones presenting defects in appearance and traces of the chemical machining. It is for this operation a polishing said first appearance. Manually, if necessary, one retouches the piece so that its form enters the imposed tolerances.
- an automated polishing ensures the continuity of the aerodynamic profile and the surface condition necessary for the proper flow of the air flow.
- Automated polishing is usually done by means of an abrasive belt.
- a strip whose abrasive material is silicon carbide is used.
- the strip is mounted on a wheel driven in rotation tangentially to the surface of the part.
- the displacement of the wheel relative to the surface is controlled by a program taking into account the geometry of the surface to be polished.
- Parameters such as the speed of travel of the abrasive belt on the surface, the speed of movement of the wheel relative to the workpiece as well as the pressure exerted on the surface and the grain of the abrasive material are determined so as to remove the required thickness of material and ensure the desired surface condition.
- a description of an abrasive belt polishing machine is found in US Patent 5193314. Manual operations, especially when heavy workpieces such as turbojet fan blades are required, are painful for the operator and possibly generate musculoskeletal disorders. In addition, these operations require checks. We try to replace the manual operations by operations that free the operator, and that allow to group several operations.
- the Applicant has already developed an automated titanium alloy polishing process using an abrasive belt made of super abrasive grains of industrial diamond or boron nitride; this process is described in patent EP 1525949.
- the applicant has set as an objective to achieve in a single step, and preferably automatically, geometric compliance and final polishing of the blade.
- This object can be achieved by forging a forging process, comprising producing a semi finished part by precision forging and polishing the workpiece by means of an abrasive belt, the nominal geometric characteristics or according to the part to be obtained being determined in a theoretical model, characterized in that it comprises the following steps:
- a plurality of measurement points are defined beforehand on the surface of the part, the geometrical characteristics of the semi-finished part are measured in at least a part of said measurement points, and the removal of said abrasive belt at said measurement points as a function of the difference between the geometrical characteristics of the semi-finished part and the nominal geometrical characteristics.
- a map of material removal is defined from measurements of the geometrical characteristics of the semi-finished part, and said cartography is translated into a map of the control parameters of the abrasive belt.
- it is first a calibration of the control parameters of the abrasive belt at each of the measuring points. The calibration operation is performed once for a given type of part.
- the strip is controlled by varying the relative speed of advance of the part relative to the abrasive belt, the other abrasive belt control parameters being kept constant.
- the other parameters are the speed of rotation of the abrasive belt, and the contact pressure of the wheel on the surface to be treated.
- a relationship is established, such as a law or a table of correspondence between the controlled parameters and the quantity of material removal.
- a relationship is established, such as a law or a table of correspondence between the controlled parameters and the quantity of material removal.
- the method applies in particular to a turbomachine blade, more particularly a turbojet fan blade.
- FIG. 1 schematically represents a turbomachine blade seen in profile
- Figure 2 shows an abrasive belt polishing machine.
- the semi-finished part that is the object of the process of the invention is, for example, a turbojet fan blade, as shown in FIG. 1.
- a turbojet fan blade as shown in FIG. 1.
- Such a piece 10 made of titanium alloy comprises a foot 11, a platform 12 and a blade 13 of shape aerodynamic swept by gases passing through the engine from upstream to downstream.
- Intermediate fins 14 form supports from one blade to another.
- Such a blade when mounted on the compressor rotor, extends in the motor in a generally radial direction relative to the axis of rotation of the moving parts thereof.
- the blade comprises a lower face and an extrados face extending between the leading edge BA and the trailing edge BF along which they meet.
- the contour of the blade is defined by a plurality of sections or sections extending between the platform and the top, along an axis called stack axis relative to a reference system.
- the reference system is itself defined by elements or planes of the foot of the dawn.
- This set constitutes the nominal geometrical characteristics of the dawn and forms the theoretical model.
- the nominal geometric characteristics can be defined by dimensions, shapes, one or more coordinates in space or orientations or their combination.
- the portion of the blade located between the platform and the fin for the underside is defined by seven sections, Sl to S7.
- points on the surface of the blade were identified between BA and BF.
- the section referenced S4 comprises the points marked S41 to S49 between the trailing edge BF and the leading edge BA.
- the geometric characteristics of the semi-finished piece resulting from forging are first measured by means of a robot of three-dimensional measurements.
- the Applicant has described an example method and apparatus for the simultaneous measurement of the geometric characteristics of a plurality of points distributed on the surface of a blade in the patent EP 1 596 156.
- the three-dimensional measurement of the coordinates of a set predetermined points of the surface of a mechanical part with respect to a predetermined reference frame comprises: a preparatory phase, in which the coordinates of the predetermined points of the surface of a first mechanical part taken as reference piece are simultaneously measured,
- an initialization phase in which the linear measurements of displacement according to the normals of the points of said standard part are recorded
- a measurement phase in which the linear measurements of displacement on the points of the corresponding piece to be measured are recorded.
- a calculation phase in which the three-dimensional coordinates of the points of the part to be measured are calculated from the three-dimensional coordinates of the points of said standard part, linear measurements, and the directional cosines of the theoretical normals at these points.
- the method of the invention comprises, after the determination of the thicknesses to be removed, carrying out a mapping of the material removal and polishing in a machine, preferably automated, with direct removal of material at each of the points corresponding to the mapping established without going through the manual compliance step. In fact we polish the surface of the dawn while at the same time performing geometric compliance.
- Machine 1 illustrated in Figure 2 is commercially available and provided by IBS.
- a table 100 comprises two jaws 101 and 102 between which the elongated piece is kept horizontal. The entire part with its support can move in this direction X or turn on itself about this axis in the direction U by means of suitable electric motors Mx and Mu.
- a head 110 is mounted on a vertical tower 120 and can move along its axis Z. The head 110 can also move in rotation W about this axis Z. Suitable motor means Mz and Mw are provided for driving the head in both directions.
- the head 110 can move horizontally in the Y direction perpendicular to the X direction and rotate in the direction V around this axis. Motor means My and Mv provide these movements.
- the head 110 supports a wheel 111 of movable contact about an axis which is fixed relative to itself.
- a motor mounted on the head 110 drives the wheel 111 by means of an abrasive belt which is mounted at the periphery of the wheel.
- the set of motor means is connected to a control box which comprises a control unit with programming means and memories incorporating in particular the data of the geometrical characteristics of the piece to be polished.
- the strip is applied locally tangentially to its surface by exerting a determined pressure. We set in motion the band that rotates with the wheel 111.
- the removal value and the surface condition depend on several parameters: - the grain of the abrasive belt,
- the difficulty of polishing the surface of the blade while at the same time performing a geometric compliance by controlling the relative speed of advance between the workpiece and the polishing strip, preferably keeping the contact pressure and the rotational speed of the band constant.
- the machine is driven from the mapping of material removal. It is translated for the machine into a map of relative speed of advance of the workpiece relative to the polishing tape. This mapping is based on a pre-established relationship between the speed of advance and the amount of material removed. Such a relationship is established by learning at each point in the room.
- Learning is done once for a given type of room. It consists in accordance with a particular implementation of the method of the invention to measure at each point of the part the material removals associated with a plurality of different uniform advance speeds. The amount removed by interpolation is obtained; a particular example is to determine the removal for two different feed rates.
- the various stages of conformity of a part consist in measuring the geometrical characteristics and locating the non-conforming zones. From these measurements, a map is drawn of the removal of material for the points corresponding to these zones.
- These data are entered into the control box of the polishing machine 1.
- the workpiece is put in place between the jaws of the machine and put into action.
- the abrasive belt is rotated by the wheel and placed on the workpiece.
- the rotational speed of the wheel is kept constant throughout the polishing operation and the pressure of the wheel on the workpiece.
- the advance of the strip along the part is controlled by the control box in which the data above has been introduced.
- the feed rate thus varies according to the amount of material to be removed.
- the method thus makes it possible to achieve in one pass at a time the compliance and the final polishing of the room.
- minimum material removal is provided over the entire surface to achieve uniform final polishing.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Forging (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/380,988 US20120124834A1 (en) | 2009-06-26 | 2010-06-23 | Method for manufacturing a forged part with adaptive polishing |
| CA2766217A CA2766217C (fr) | 2009-06-26 | 2010-06-23 | Procede de fabrication d'une piece forgee avec polissage adaptatif |
| EP10728642.9A EP2445661B1 (fr) | 2009-06-26 | 2010-06-23 | Procede de fabrication d'une piece forgee avec polissage adaptatif |
| JP2012516728A JP5680636B2 (ja) | 2009-06-26 | 2010-06-23 | 適応研磨により鍛造部品を製造するための方法 |
| BRPI1011907A BRPI1011907A2 (pt) | 2009-06-26 | 2010-06-23 | processo de fabricação de uma peça por forjamento |
| RU2012102675/02A RU2550449C2 (ru) | 2009-06-26 | 2010-06-23 | Способ изготовления кованой детали с адаптивной шлифовкой |
| CN201080028863.XA CN102458713B (zh) | 2009-06-26 | 2010-06-23 | 采用自适应抛光制造锻件的方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0954398A FR2947197B1 (fr) | 2009-06-26 | 2009-06-26 | Procede de fabrication d'une piece forgee avec polissage adaptatif |
| FR0954398 | 2009-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2010149720A1 true WO2010149720A1 (fr) | 2010-12-29 |
Family
ID=41394091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2010/058946 Ceased WO2010149720A1 (fr) | 2009-06-26 | 2010-06-23 | Procede de fabrication d'une piece forgee avec polissage adaptatif |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20120124834A1 (fr) |
| EP (1) | EP2445661B1 (fr) |
| JP (1) | JP5680636B2 (fr) |
| CN (1) | CN102458713B (fr) |
| BR (1) | BRPI1011907A2 (fr) |
| CA (1) | CA2766217C (fr) |
| FR (1) | FR2947197B1 (fr) |
| RU (1) | RU2550449C2 (fr) |
| WO (1) | WO2010149720A1 (fr) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2979267A1 (fr) * | 2011-08-26 | 2013-03-01 | Snecma | Procede de fabrication d'une piece par forgeage |
| CN104246635A (zh) * | 2012-04-24 | 2014-12-24 | 斯奈克玛 | 用于加工涡轮发动机叶片后缘的方法 |
| CN111230411A (zh) * | 2020-01-08 | 2020-06-05 | 浙江诺达信汽车配件有限公司 | 一种发电机风叶的生产方法 |
| CN118875895A (zh) * | 2024-09-18 | 2024-11-01 | 华中科技大学 | 一种针对叶片局部缺陷的机器人修磨方法及系统 |
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| FR2965201B1 (fr) | 2010-09-28 | 2013-08-23 | Snecma | Procede et dispositif d'usinage du bord d'attaque d'une aube de turbomachine |
| FR2975321A1 (fr) * | 2011-05-17 | 2012-11-23 | Mecafi | Procede et installation de fabrication de pieces de serie suivant des specifications d'equilibrage determinees |
| US8844132B2 (en) * | 2011-07-22 | 2014-09-30 | Pratt & Whitney Canada Corp. | Method of machining using an automatic tool path generator adapted to individual blade surfaces on an integrally bladed rotor |
| CN102278322B (zh) * | 2011-07-29 | 2014-04-02 | 武汉钢铁(集团)公司 | 风机静叶手/自动切换装置及静叶工艺联锁方法 |
| US10482186B2 (en) * | 2013-03-19 | 2019-11-19 | Av&R Vision And Robotics Inc. | Method for automatically determining a finishing recipe of a manufactured component |
| US9719356B2 (en) | 2013-06-21 | 2017-08-01 | Rolls-Royce Plc | Method of finishing a blade |
| GB201417861D0 (en) * | 2014-10-09 | 2014-11-26 | Rolls Royce Plc | Abrasive processing method |
| RU2629419C1 (ru) * | 2016-02-25 | 2017-08-29 | Федеральное государственное бюджетное учреждение науки Институт машиноведения им. А.А. Благонравова Российской академии наук (ИМАШ РАН) | Способ финишной обработки лопатки газотурбинного двигателя и устройство для его осуществления |
| GB2548801B (en) * | 2016-03-21 | 2020-12-02 | Loop Tech Ltd | A system for machining a surface |
| RU2639584C1 (ru) * | 2016-07-01 | 2017-12-21 | Публичное акционерное общество "Научно-производственное объединение "Сатурн" | Способ шлифования криволинейных поверхностей детали на робототехнологическом комплексе |
| RU2678222C1 (ru) * | 2017-12-04 | 2019-01-24 | Публичное Акционерное Общество "Одк-Сатурн" | Способ изготовления крупногабаритных лопаток газотурбинного двигателя |
| RU2674358C1 (ru) * | 2018-02-06 | 2018-12-07 | Федеральное государственное бюджетное учреждение науки Институт машиноведения им. А.А. Благонравова Российской академии наук (ИМАШ РАН) | Способ финишной обработки заготовки лопатки газотурбинного двигателя и устройство для его осуществления |
| IT201800007638A1 (it) * | 2018-07-30 | 2020-01-30 | Ticienne Srl | Macchina per la lucidatura di palette per turbine e relativo procedimento |
| CN110524318A (zh) * | 2019-08-30 | 2019-12-03 | 中国航发动力股份有限公司 | 一种叶片加工方法 |
| JP6684977B1 (ja) * | 2019-08-30 | 2020-04-22 | ヤマザキマザック株式会社 | 統合回転翼の製造方法及びそのブレードの切削加工プログラム |
| CN113829197B (zh) * | 2021-09-29 | 2023-01-31 | 中国航发动力股份有限公司 | 一种精锻叶片砂带磨削方法和系统 |
| CN114211030A (zh) * | 2022-01-04 | 2022-03-22 | 重庆江增船舶重工有限公司 | 一种提高钛合金直纹叶片半精铣刀具使用寿命的加工方法 |
| US20240207994A1 (en) * | 2022-12-27 | 2024-06-27 | Pratt & Whitney Canada Corp. | Polishing bladed rotor using robotic polishing device |
| CN116038505B (zh) * | 2023-04-03 | 2023-06-16 | 国营川西机器厂 | 一种基于等级划分的风扇转子叶片抛光方法 |
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| FR2857889B1 (fr) * | 2003-07-23 | 2005-09-23 | Snecma Moteurs | Procede de fabrication de pieces par forgeage de precision |
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- 2010-06-23 EP EP10728642.9A patent/EP2445661B1/fr active Active
- 2010-06-23 RU RU2012102675/02A patent/RU2550449C2/ru active
- 2010-06-23 CA CA2766217A patent/CA2766217C/fr active Active
- 2010-06-23 BR BRPI1011907A patent/BRPI1011907A2/pt not_active IP Right Cessation
- 2010-06-23 US US13/380,988 patent/US20120124834A1/en not_active Abandoned
- 2010-06-23 CN CN201080028863.XA patent/CN102458713B/zh active Active
- 2010-06-23 JP JP2012516728A patent/JP5680636B2/ja not_active Expired - Fee Related
- 2010-06-23 WO PCT/EP2010/058946 patent/WO2010149720A1/fr not_active Ceased
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2979267A1 (fr) * | 2011-08-26 | 2013-03-01 | Snecma | Procede de fabrication d'une piece par forgeage |
| WO2013030475A1 (fr) | 2011-08-26 | 2013-03-07 | Snecma | Procédé de fabrication d'une pièce par forgeage |
| US9186759B2 (en) | 2011-08-26 | 2015-11-17 | Snecma | Method of fabricating a part by forging and controlled polishing |
| RU2598412C2 (ru) * | 2011-08-26 | 2016-09-27 | Снекма | Способ изготовления детали ковкой |
| CN104246635A (zh) * | 2012-04-24 | 2014-12-24 | 斯奈克玛 | 用于加工涡轮发动机叶片后缘的方法 |
| CN104246635B (zh) * | 2012-04-24 | 2016-11-16 | 斯奈克玛 | 用于加工涡轮发动机叶片后缘的方法 |
| CN111230411A (zh) * | 2020-01-08 | 2020-06-05 | 浙江诺达信汽车配件有限公司 | 一种发电机风叶的生产方法 |
| CN118875895A (zh) * | 2024-09-18 | 2024-11-01 | 华中科技大学 | 一种针对叶片局部缺陷的机器人修磨方法及系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2550449C2 (ru) | 2015-05-10 |
| RU2012102675A (ru) | 2013-08-10 |
| FR2947197B1 (fr) | 2011-07-15 |
| CN102458713B (zh) | 2015-04-01 |
| EP2445661A1 (fr) | 2012-05-02 |
| EP2445661B1 (fr) | 2019-11-27 |
| CA2766217C (fr) | 2017-05-16 |
| US20120124834A1 (en) | 2012-05-24 |
| CA2766217A1 (fr) | 2010-12-29 |
| FR2947197A1 (fr) | 2010-12-31 |
| BRPI1011907A2 (pt) | 2016-04-19 |
| CN102458713A (zh) | 2012-05-16 |
| JP2012530613A (ja) | 2012-12-06 |
| JP5680636B2 (ja) | 2015-03-04 |
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