EP3558586A1 - Dispositif et procédé pour le traitement d'une piece metallique - Google Patents
Dispositif et procédé pour le traitement d'une piece metalliqueInfo
- Publication number
- EP3558586A1 EP3558586A1 EP17838053.1A EP17838053A EP3558586A1 EP 3558586 A1 EP3558586 A1 EP 3558586A1 EP 17838053 A EP17838053 A EP 17838053A EP 3558586 A1 EP3558586 A1 EP 3558586A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal part
- sonotrode
- projectiles
- abrasive media
- treatment
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/10—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/005—Vibratory devices, e.g. for generating abrasive blasts by ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/003—Removing abrasive powder out of the blasting machine
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
- C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
Definitions
- the invention relates to the treatment of metal parts and more particularly to a device making it possible to reduce the processing time of said metal parts.
- the tribofinition makes it possible to finish the surface finishing of metal parts by polishing, deburring, shelving, smoothing etc.
- the metal parts to be treated are immersed in a vibratory tank containing a mixture of abrasive media and a liquid (water, oil, additives).
- abrasive media containing a mixture of abrasive media and a liquid (water, oil, additives).
- the friction of the metal parts with the abrasive mixture ensures the polishing, deburring and breaking angles of said metal parts.
- the invention thus provides a solution for reducing the number of operations and controls of metal parts and therefore the processing time of said metal parts.
- the invention according to a first aspect relates to a device for the treatment of a metal part having an external surface, said device comprising:
- a vibration module comprising:
- projectiles placed in the chamber for impacting the external surface of the metal part, said projectiles being set in motion by the vibration of the sonotrode.
- the projectiles comprise a plurality of abrasive media which, moved by the vibration of the sonotrode, introduce residual compressive stresses and improve the surface state of the metal part.
- abrasive media is meant a variable form element generally comprising a base and a hard abrasive load that uses other materials softer than this material.
- the device for the treatment of a metal part according to the invention solves the aforementioned problems.
- Such a device reduces the processing time of metal parts by reducing the number of operations and the number of controls.
- the device of the invention allows, using a single machine to perform an operation ensuring both shot blasting and finishing of the metal part.
- the device of the invention is similar to the machines of Ultrasonic shot blasting according to the prior art, with the exception that the projectiles which usually comprise ceramic, glass or steel balls are replaced by projectiles comprising abrasive media used in conventional tribofinishing techniques.
- the abrasive media provide both the introduction of residual compression stresses and the improvement of the surface condition of the metal part.
- the projectiles / parameters pair of the electrical signal is chosen so that the projectiles have enough speed to introduce residual compression stresses in the metal part while improving the surface state of said metal part.
- the use of the device according to the invention makes it possible to reduce the number of checks on the metal parts since only one control is necessary after the treatment of the part, which further reduces the processing time of the parts.
- the device according to the first aspect may have one or more additional characteristics among the following, considered individually or in any technically possible combination.
- the projectiles comprise only abrasive media.
- the device comprises a suction system sucking residues from the metal part and projectile residues resulting from the impact of said projectiles between them and said projectiles on the outer surface of the metal part.
- the device comprises a filter allowing the passage of the residues of the metal part and projectile residues of the enclosure to the suction system.
- the abrasive media have a thickness in the range [0.8mm, 10mm].
- At least one abrasive media of the plurality of abrasive media comprises a base made of one of the following materials:
- At least one abrasive media of the plurality of abrasive media comprises an abrasive load having a hardness in the range [8Mohs, 10Mohs]
- the abrasive filler consists of at least one of the following compounds:
- At least one abrasive media of the plurality of abrasive media has one of the following forms:
- the electrical signal is emitted at an ultrasonic frequency in the range [15kHz, 60kHz].
- the invention relates to a method for treating a metal part, comprising the steps of:
- projectiles in an enclosure, said projectiles comprising a plurality of abrasive media, - positioning a metal part to be treated against an upper end of the enclosure so that an outer surface of the metal part is facing an upper surface of a sonotrode of a vibration module,
- the invention relates to a set of projectiles comprising a plurality of abrasive media, said set of projectiles being used in a shot blasting process to introduce residual compression stresses in a metal part.
- FIG. 1 a representative diagram of a device for processing a metal part according to a first embodiment of the invention
- FIG. 2 a representative diagram of a device for processing a metal part according to a second embodiment of the invention
- FIG. 3 a representative diagram of a device for treating a metal part according to a third embodiment of the invention
- the invention relates to a device 100 for the treatment of a metal part 1 comprising an external surface 1 -1, the invention making it possible, in a single operation, to perform both the compression (shot blasting) and the finishing of the metal part 1.
- Figure 1 shows the device 100 for processing a metal part 1 according to a first embodiment of the invention.
- the device 100 comprises:
- the enclosure 1 1 is intended to receive the abrasive media 13 to treat the metal part 1.
- the enclosure 1 1 has a side wall January 1 delimiting said enclosure January 1.
- the side wall January 1 -1 has a lower end 1 1 -2 and an upper end 1 1 -3 open.
- the metal part 1 is positioned against the upper end 1 1 -3 of the chamber 1 1 plugging said upper end 1 1 - 3. It is noted that the metal part 1 is held fixed to the upper end 1 1 - 3 of the enclosure 1 1 so that said metal part 1 is not likely to move during the treatment.
- the vibration module 12 is positioned at the lower end 1 1 -2 of the chamber 1 1 plugging said lower end January 1 -2.
- the enclosure 1 1 forms a closed enclosure so that the projectiles 13 can not escape from said enclosure 1 1.
- the vibration module 12 comprises:
- the generator 12-1 is intended to produce a sinusoidal electrical signal with an ultrasonic frequency.
- the ultrasonic frequency of the electrical signal is in the range [15 kHz, 60 kHz].
- the amplitude of the sonotrode 12-4 is in the range [10 ⁇ , 300 ⁇ ] ⁇ plus, according to a non-limiting embodiment, the electrical signal is issued for a period ranging from a few minutes to a few hours.
- the electrical signal 12-1 is emitted during a first duration di at a first frequency f1 and at a first amplitude A1, then for a second duration d2 at a second frequency f2 and at a second amplitude A2.
- the converter 12-2 is intended to convert the sinusoidal electrical signal with ultrasonic frequency emitted by the generator 12-1 into a mechanical wave.
- the converter 12-2 is a piezoelectric transducer.
- the amplifier 12-3, called in English "booster”, is intended to amplify the amplitude of the mechanical wave generated by the piezoelectric transducer 12-2.
- the amplifier 12-3 is connected to the sonotrode 12-4 so that the amplified mechanical wave is transmitted to the sonotrode 12-4 which vibrates.
- the sonotrode 12-4 is intended to move projectiles 13 to project them against the outer surface 1 -1 of the metal part 1. More specifically, the sonotrode 12-4 comprises a vibrating surface corresponding to the upper end of said sonotrode 12-4.
- the upper end of the sonotrode 12-4 forms the bottom of the chamber 1 1 when the sonotrode 12-4 at the lower end 1 -1 -2 of the enclosure 1 1.
- the projectiles 13 are intended to be projected against the outer surface 1 -1 of the metal part 1.
- the projectiles 13 acquire their kinetic energy thanks to the vibrations of the sonotrode 12-4.
- the impact of the projectiles 13 against the outer surface 1 -1 of the metal part 1 makes it possible to improve the surface state and to induce residual compression stresses in said metal part 1.
- the projectiles 13 comprise a plurality of abrasive media.
- the random movement of the projectiles 13 in the volume of the chamber 1 1 ensures a uniform treatment of the zone of the metal part 1.
- the projectiles 13 comprise only abrasive media.
- each abrasive media comprises a base and an abrasive load.
- At least one abrasive media comprises a base made of plastic, ceramic, or in an organic material.
- the abrasive load is chosen to be harder than the material of the metal part 1.
- the abrasive load has a hardness in the range [8Mohs, 10Mohs].
- the abrasive filler consists, for example, of corundum, alumina, boron nitride, silicon carbide, boron carbide, or diamond.
- at least one abrasive media of the plurality of abrasive media has a cylindrical, spherical, pyramidal or conical shape.
- the thickness, the shape and the material of the abrasive media are chosen according to the characteristics of the metal part 1 to be treated.
- different types of abrasive media shape, abrasive load, base, thickness
- glass or ceramic beads are used together with the abrasive media to treat the metal part 1.
- the device 100 comprises at least two sonotrodes 12-4, each sonotrode 12-4 being equipped with a chamber January 1. Such a device 100 makes it possible to treat several metal parts 1 simultaneously using a single generator 12-1.
- Figure 2 shows the device 100 for processing a metal part 1 according to a second embodiment.
- the device 100 according to the second embodiment comprises the same elements as the device 100 described in the first embodiment with reference to FIG.
- the device 100 according to the second embodiment comprises a suction system 14 for sucking up residues from the metal part 1 and projectile residues 13 resulting from the impact. projectiles 13 between them and said projectiles 13 on the outer surface 1 -1 of the metal part 1.
- a suction system 14 makes it possible to reduce the impact of the treatment on the material integrity of the treated metal parts 1 because of the residues likely to hinder the movement of the projectiles 13 or to become embedded in the external surface 1 -1 of the metal part 1.
- a head 14-1 of the suction system 14 is fixed on a lower portion 12-42 of the sonotrode 12-4.
- through orifices are formed in the sonotrode 12-4 so that the residues of the metal part 1 and the projectile residues 13 resulting from the impact of the projectiles 13 between them and on the external surface 1 -1 through said holes to reach the head 14-1 of the suction system 14 and thus be sucked by said suction system 14.
- a filter 15, visible on the AA section is positioned in the enclosure 1 1 to allow only the passage of the residues of the metal part 1 and the residues of the projectiles 13 of the chamber 1 1 to the suction system 14.
- the filter 15 is positioned on an upper surface 12-41 of the sonotrode 12-4 so that only the residues of the metal part 1 and the residues of the projectiles 13 can pass through the orifices formed in the sonotrode 12-4.
- the pore size of the filter 15 is in the range [0.4 mm, 5 mm].
- Figure 3 shows the device 100 for processing a metal part 1 according to a third embodiment.
- the device 100 according to the third embodiment has the same elements as the device 100 described in the second embodiment with reference to FIG. 2.
- the head 14-1 of the suction system 14 of the device 100 according to the third embodiment is attached to an opening 1 1 -1 1 formed in the side wall January 1 -1 of the chamber 1 January.
- the sonotrode 12-4 has no through holes.
- the filter 15, visible on the section AA of FIG. 3, is positioned at the opening 1 1 -1 1 formed in the side wall 1 1 -1 of the chamber 1 1, between the head 14 -1 of the suction system 14 and the enclosure 1 1.
- FIG. 4 represents steps of a method 200 for processing a metal part 1 according to one embodiment of the invention.
- the method 200 is implemented by the device 100 for processing a metal part 1 described above.
- the projectiles 13, comprising a plurality of abrasive media are placed in the chamber January 1.
- shape (s) cylindrical, pyramidal, etc.
- material (s) and the size (s) of the abrasive media are chosen according to the material, the initial surface state and the that the requirements to the plane of the metal part 1 to treat.
- the metal part 1 is positioned against the upper end 1 1 -3 of the chamber 1 1 so that the outer surface 1 -1 to be treated of the metal part 1 is positioned facing the surface upper 12-41 of the sonotrode 12-4.
- the metal part 1 and the sonotrode 12-4 are positioned respectively against the upper end 1 1 -3 and the lower end January 1 -1 of the chamber 1 January.
- the metal part 1 is fixed on the upper end 1 1 -3 of the enclosure 1 1 so as to prevent said metal part 1 from moving during the treatment under the impact of projectiles 13.
- the generator 12-1 emits a sinusoidal electrical signal at a predetermined frequency, amplitude and duration according to the characteristics of the metal part 1 to be treated.
- vibrations of the sonotrode 12-4 are generated by means of the converter 12-2 coupled to said sonotrode 12-4.
- the converter 12-2 converts the electrical signal emitted by the generator 12-1 into a mechanical vibration which is transmitted to the sonotrode 12-4.
- the vibration of the sonotrode 12-4 ensures the movement of the projectiles 13 in the chamber 1 1 which allows to introduce residual compression stresses and improve the surface state of the metal part 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1663372A FR3061055B1 (fr) | 2016-12-26 | 2016-12-26 | Dispositif pour le traitement d'une piece metallique, procede et ensemble de projectiles associes |
PCT/FR2017/053837 WO2018122523A1 (fr) | 2016-12-26 | 2017-12-22 | Dispositif et procédé pour le traitement d'une piece metallique |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3558586A1 true EP3558586A1 (fr) | 2019-10-30 |
Family
ID=58401806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17838053.1A Pending EP3558586A1 (fr) | 2016-12-26 | 2017-12-22 | Dispositif et procédé pour le traitement d'une piece metallique |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200122296A1 (fr) |
EP (1) | EP3558586A1 (fr) |
JP (1) | JP2020503182A (fr) |
CN (1) | CN110177651B (fr) |
FR (1) | FR3061055B1 (fr) |
WO (1) | WO2018122523A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110026908B (zh) * | 2019-04-30 | 2024-01-30 | 天津大学 | 一种超声空化辅助射流抛光系统及抛光方法 |
CN111941226A (zh) * | 2020-07-08 | 2020-11-17 | 无锡天夏超声设备有限公司 | 一种超声喷丸结构 |
CN112157596A (zh) * | 2020-09-10 | 2021-01-01 | 太原理工大学 | 声磁耦合空化辅助液体喷射抛光装置及使用方法 |
CN112975765B (zh) * | 2021-02-05 | 2023-01-06 | 西北工业大学 | 一种深孔v型超声喷丸装置 |
CN112518594B (zh) * | 2021-02-08 | 2021-05-11 | 四川大学 | 一种压电振子阵列型超声喷丸强化装置 |
CN115181839A (zh) * | 2022-06-10 | 2022-10-14 | 中国航发北京航空材料研究院 | 一种阿尔门试片的弹丸式超声冲击强化装置及其使用方法 |
CN114799776B (zh) * | 2022-06-29 | 2022-09-13 | 中国空气动力研究与发展中心超高速空气动力研究所 | 一种提高轴对称喷管内型面表面粗糙度和硬度的工艺方法 |
Family Cites Families (22)
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FR2613651B1 (fr) * | 1987-04-10 | 1994-07-22 | Onera (Off Nat Aerospatiale) | Machine d'usinage par abrasion ultrasonore |
FR2714629B1 (fr) * | 1993-12-30 | 1996-06-07 | Teknoson Sa | Procédé et dispositif d'ébavurage de pièces mécaniques. |
FR2775919B1 (fr) * | 1998-03-13 | 2000-06-02 | Virsol | Procede de traitement "mecano-chimique" d'un materiau |
FR2791293B1 (fr) * | 1999-03-23 | 2001-05-18 | Sonats Soc Des Nouvelles Appli | Dispositifs de traitement de surface par impacts |
FR2815281B1 (fr) | 2000-10-12 | 2003-01-03 | Sonats Soc Des Nouvelles Appli | Procede de grenaillage et machine pour la mise en oeuvre d'un tel procede |
FR2815280B1 (fr) | 2000-10-12 | 2003-01-03 | Sonats Soc Des Nouvelles Appli | Machine et procede de grenaillage |
FR2816537B1 (fr) * | 2000-11-16 | 2003-01-17 | Snecma Moteurs | Procede et installation de grenaillage par ultrasons des alveoles annulaires d'attache d'aubes sur un rotor |
FR2873609B1 (fr) * | 2004-07-30 | 2008-02-22 | Sonats Soc Des Nouvelles Appli | Projectiles, dispositifs et installations de grenaillage par ultrasons et pieces ainsi traitees |
US20060021410A1 (en) * | 2004-07-30 | 2006-02-02 | Sonats-Societe Des Nouvelles Applications Des Techniques De Surfaces | Shot, devices, and installations for ultrasonic peening, and parts treated thereby |
DE102004059592B4 (de) * | 2004-12-10 | 2014-09-04 | MTU Aero Engines AG | Verfahren zum Oberflächenstrahlen von Hohlräumen, insbesondere von Hohlräumen an Gasturbinen |
DE102005054866A1 (de) * | 2005-11-17 | 2007-05-31 | Mtu Aero Engines Gmbh | Verfahren zum Herstellen von metallischen Bauteilen, insbesondere für Turbomaschinen, mit kleinen Kantenradien |
DE102006008210A1 (de) * | 2006-02-22 | 2007-08-23 | Mtu Aero Engines Gmbh | Strahlkammer zum Oberflächenstrahlen, insbesondere zum Ultraschall-Kugelstrahlen von Gasturbinen-Bauteilen |
US7665338B2 (en) * | 2006-10-20 | 2010-02-23 | Sonats-Societe Des Nouvelles Applications Des Techniques De Surfaces | Shot peening methods and units |
DE102007044077A1 (de) * | 2007-09-14 | 2009-03-19 | Strecon A/S | Poliervorrichtung |
DE102007056892B4 (de) * | 2007-11-26 | 2016-09-29 | Airbus Defence and Space GmbH | Oberflächenverfestigungsverfahren eines Metall-Komposit-Bauteils |
EP2540402A3 (fr) * | 2008-07-16 | 2017-07-19 | VLN Advanced Technologies Inc. | Procédé et appareil de préparation de surfaces avec un jet d'eau à impulsion haute fréquence |
WO2011052287A1 (fr) * | 2009-10-30 | 2011-05-05 | 新東工業株式会社 | Grenailles d'alliage à base de zinc |
WO2012014542A1 (fr) * | 2010-07-27 | 2012-02-02 | 新東工業株式会社 | Procédé de nettoyage par grenaillage et appareil de nettoyage par grenaillage |
JP5510661B2 (ja) * | 2010-09-06 | 2014-06-04 | 三菱マテリアル株式会社 | 表面被覆炭窒化チタン基サーメット製切削インサートの製造方法 |
GB2492831A (en) * | 2011-07-14 | 2013-01-16 | Hkpb Scient Ltd | Workpiece surface modification during ultrasonic peening |
FR2979276B1 (fr) * | 2011-08-25 | 2014-04-18 | Snecma | Medias pour la tribofinition de pieces metalliques |
CN105821406B (zh) * | 2012-04-09 | 2018-08-10 | 天津大学 | 超声喷丸在金属表面合金化中的应用 |
-
2016
- 2016-12-26 FR FR1663372A patent/FR3061055B1/fr active Active
-
2017
- 2017-12-22 EP EP17838053.1A patent/EP3558586A1/fr active Pending
- 2017-12-22 JP JP2019534868A patent/JP2020503182A/ja active Pending
- 2017-12-22 US US16/473,539 patent/US20200122296A1/en active Pending
- 2017-12-22 WO PCT/FR2017/053837 patent/WO2018122523A1/fr active Application Filing
- 2017-12-22 CN CN201780083591.5A patent/CN110177651B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
JP2020503182A (ja) | 2020-01-30 |
FR3061055B1 (fr) | 2019-07-26 |
FR3061055A1 (fr) | 2018-06-29 |
CN110177651A (zh) | 2019-08-27 |
WO2018122523A1 (fr) | 2018-07-05 |
CN110177651B (zh) | 2022-02-18 |
US20200122296A1 (en) | 2020-04-23 |
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