EP3063424A1 - Procédé de mesure d'une force de précontrainte et ensemble palier pour la mise en oeuvre de ce procédé - Google Patents

Procédé de mesure d'une force de précontrainte et ensemble palier pour la mise en oeuvre de ce procédé

Info

Publication number
EP3063424A1
EP3063424A1 EP14781051.9A EP14781051A EP3063424A1 EP 3063424 A1 EP3063424 A1 EP 3063424A1 EP 14781051 A EP14781051 A EP 14781051A EP 3063424 A1 EP3063424 A1 EP 3063424A1
Authority
EP
European Patent Office
Prior art keywords
sensor device
bearing
rolling
rolling bearing
evaluation
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
Application number
EP14781051.9A
Other languages
German (de)
English (en)
Inventor
Alexander Hofmann
Rainer Gebauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP3063424A1 publication Critical patent/EP3063424A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
    • F16C19/522—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to load on the bearing, e.g. bearings with load sensors or means to protect the bearing against overload
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/008—Identification means, e.g. markings, RFID-tags; Data transfer means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F16C2208/30—Fluoropolymers
    • F16C2208/34—Polyvinylidenefluoride [PVDF]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2229/00—Setting preload
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/12—Force, load, stress, pressure
    • F16C2240/14—Preload

Definitions

  • the invention relates to a method for measuring at least one biasing force acting between a shaft and a mounted on the shaft bearings of a bearing assembly.
  • the invention also relates to a bearing arrangement for carrying out the method.
  • the invention has for its object to provide a method by which a rolling bearing with a defined biasing force can be inexpensively and reliably mounted on a shaft. This task will solved by a method for measuring the biasing force with the features of claim 1 and by a bearing assembly with the features of claim 9. Preferred or advantageous embodiments of the invention will become apparent from the subclaims of the following description and / or the attached figures.
  • the method directly or indirectly or directly or indirectly measured an axial biasing force during and / or during assembly of the rolling bearing on the support body.
  • the support body is formed as a shaft or axis.
  • the rolling bearing is preferably designed as a tapered roller bearing or ball bearing, in particular as an angular contact ball bearing.
  • the rolling bearing has an inner ring, a plurality of rolling elements and an outer ring.
  • the bearing arrangement comprises the rolling bearing and at least one sensor device.
  • the bearing arrangement comprises at least one evaluation device.
  • An alternatively possible preferred method step provides that the sensor device is removed after the transmission and / or evaluation of the signal from the rolling bearing.
  • the sensor device is for this purpose in a loose installation position, whereby it is releasable from this tool-free.
  • the sensor device is loosely inserted, inserted and / or inserted into the installation position.
  • the sensor device by rotation of at least one of To remove rolling elements of the bearing from the mounting position.
  • the sensor device has a grip aid, which is formed, for example, as a protruding from the sensor device flag.
  • the flag is accessible from outside the installation position, so that it can be grasped and the sensor device can be pulled out of the installation position.
  • An optional consideration in the context of the method is to reuse the sensor device after removal from the installation position during assembly of at least one further rolling bearing on one or the shaft. This has the advantage that costs for further sensor devices can be saved.
  • the sensor device is designed as a film, preferably as a measuring film, in particular as a polyvinylidene fluoride film (PVDF film). It is also possible that the sensor device is designed as a single-layered or multi-layered measuring strip or as a single-layered or multi-layered measuring plate. As a result, the sensor device is relatively thin and / or flexible and can be arranged in a simple manner and without function restricting effect on the rolling bearing in the installed position and optional permanently remain there. Alternatively, the sensor device can be designed as a measuring pin or measuring pin. This has the advantage that the sensor device can be fitted accurately and without the function of the rolling bearing can be arranged in at least one bore in the inner and / or outer ring of the bearing and optionally permanently can remain there.
  • PVDF film polyvinylidene fluoride film
  • the sensor device is designed, in particular in at least one of the described embodiments, as a sensor that operates piezoelectrically, inductively or with voltage optics.
  • the sensor device is designed as a hydraulically and / or chemically operating sensor.
  • the sensor device is preferably fastened cohesively in this.
  • the sensor device is glued in the installation position. As a result, it can not be removed without destruction from the installation position.
  • the sensor device remains permanently in the installed position, it is designed, for example, as a so-called lost sensor.
  • the sensor device is arranged on the inner ring and / or on the outer ring of the rolling bearing.
  • the sensor device is arranged in particular on an axial surface and / or end face of the inner and / or outer ring.
  • the sensor device is arranged in a bore on the inner and / or outer ring.
  • the sensor device is, for example, annular.
  • this is preferably designed as the measuring pin or measuring pin.
  • the sensor device is arranged on a raceway of at least one of the rolling bodies.
  • the sensor device is arranged between the raceway and at least one rolling element of the rolling bearing.
  • the sensor device is preferably designed as the foil or as the measuring strip. Since the sensor device in this embodiment preferably has a very small thickness, it is particularly suitable for the arrangement on the track. If the sensor device remains in the installed position after decoupling from the evaluation device and is not removed therefrom, the sensor device is usually destroyed by the continuous rolling of the rolling bearing (s), if this has not already been done by the decoupling.
  • the sensor device between see two for example, in X- or O-arrangement arranged on the shaft bearings is positioned and there detects the biasing force.
  • the axial preload force can be determined due to the oblique to the support body running surface of the rolling body.
  • the running surface of the tapered rollers is conical. Due to the oblique design of the running surface in the angular contact ball bearing or the conical running surface in the tapered roller bearing these bearings take on both radial and axial loads.
  • the axial preload force can be determined directly or indirectly by the detection and evaluation of the axial load.
  • a plurality of sensor devices are arranged in a plurality of possibly also different mounting positions in or on the roller bearing. It is also possible that the plurality of sensor devices differ in their embodiment and / or mode of operation. By spatially resolved arrangement of the plurality of sensor devices in the multiple mounting positions different measuring points can be provided. This can in particular lead to safer and more accurate measurement results.
  • the coupling cut parts of the sensor device is arranged accessible from outside the mounting position and / or formed.
  • the evaluation device can be coupled in a simple manner to the sensor device via the coupling counterpart interface, in particular as part of series production.
  • the coupling interface is designed as a socket and the coupling counter interface as a plug. It is also possible that the coupling interface is designed as a protruding from the mounting position flag.
  • the corresponding coupling counter-interface is designed as a pair of pliers and / or as a clip. educated.
  • the evaluation device can be decoupled from this without destroying the sensor device. It is also possible within the scope of the invention that the sensor device and / or the coupling interface is destroyed by the sensor device during decoupling of the evaluation device. This is the case in particular when the evaluation device is cut off, for example, by the sensor device.
  • Another object of the invention relates to a bearing assembly, which is designed in particular for carrying out the method according to one of claims 1 to 8 and / or according to the previous description.
  • the bearing arrangement comprises the rolling bearing and the at least one sensor device.
  • the bearing arrangement also includes the evaluation device.
  • a preferred implementation of the bearing arrangement provides that the sensor device is arranged on the track at least one of the rolling elements. Alternatively or optionally additionally, the sensor device has a flag that is accessible from outside the installation position as the coupling interface and / or as the grip aid.
  • FIG. 2 shows the bearing assembly of Figure 1, wherein the sensor device is coupled in the first installation position with an evaluation.
  • Figure 3 is a plan view from the front of the bearing assembly
  • Figure 4 shows the bearing assembly of Figure 2, wherein the sensor device is arranged in a second mounting position.
  • FIG. 5 shows an alternatively formed sensor device; the mounted on the shaft bearing assembly of Figure 1 with the alternatively formed sensor device of Fig. 5; a flow chart for a method for determining the biasing force between a support body and a bearing mounted on the support roller bearings.
  • FIG. 1 shows a sectional view of a bearing assembly 1 mounted on a support body 7.
  • the support body 7 is formed as a shaft.
  • the bearing assembly 1 is mounted by a shaft nut 8 with a defined axial biasing force K on the shaft 7.
  • the bearing arrangement 1 comprises a roller bearing 2 and a sensor device 3.
  • the section line of the sectional view of FIG. 1 extends through a center point of the rolling bearing 2.
  • the rolling bearing 2 has an inner ring 4, an outer ring 5 and a plurality of rolling elements 6. It is designed as a tapered roller bearing.
  • the rolling bearing 2 can be formed as a ball bearing, in particular angular contact ball bearings.
  • FIG. 2 shows the bearing arrangement 1 from FIG. 1 with an evaluation device 10 coupled to the sensor device 3.
  • the bearing arrangement 1 optionally comprises the evaluation device 10.
  • the evaluation device 10 has a coupling counter-interface 12, via which the evaluation device 10 is connected to the sensor device 3 before and / or during assembly of the rolling bearing 2 on the shaft 7, so that an electrical connection is formed.
  • the coupling counterpart parts 12 are configured as a pair of pliers connected via a cable or as a clip connected via the cable which engages the coupling interface 11, in particular the plume.
  • the sensor device 3 transmits the signal, which is based on the biasing force K acting during assembly, to the evaluation device 10. This evaluates the signal S for measuring the pretensioning force K.
  • the biasing force K is displayed on a display of the evaluation device 10, so that the rolling bearing 2 can be mounted on the shaft 7 quickly and easily with a defined axial preload force K, even in mass production.
  • the coupling interface 1 1 designed as a flag acts as a grip aid for this purpose.
  • the sensor device 3 After the sensor device 3 has been removed, it can be arranged in or on at least one further rolling bearing and thus be reused during the assembly of the further rolling bearing for detecting the axial pretensioning force K acting in the process.
  • FIG. 4 shows the bearing arrangement 1 with the sensor device 2 designed as a foil, wherein it is arranged in or on the rolling bearing 2 in a second installation position E2.
  • the sensor device 2 In the second installation position E2, the sensor device 2 is arranged on a running surface 13 of at least one of the rolling bodies 6 of the roller bearing 2.
  • the tapered roller bearing 2 takes due to the tapered to the support body 7 extending tread 13 axial and radial loads. From the axial load, the axial preload force K can be determined directly or indirectly.
  • the sensor device 3 can on the tread 13 as already described for Fig. 3, be firmly bonded and after the measurement of the axial Preload force K (Fig. 1) and after assembly of the rolling bearing 2 are permanently decoupled from the evaluation. In this case, it can then remain in the second installation position.
  • the rolling of the rolling element 6 destroys the sensor device 3, if this has not already been done by the decoupling of the evaluation device 10 (FIG. 2).
  • the sensor device 3 may be loosely placed on the tread 13.
  • the sensor device 3 can be used again for the detection of the axial preload force K acting during the assembly of at least one further rolling bearing.
  • FIG. 5 shows the sensor device 3 in an alternative embodiment, namely in the form of a measuring strip.
  • the sensor device 3 is formed as a capacitive sensor for detecting the axial biasing force K (FIG. 6) and for generating the signal S.
  • the measuring strip has a socket as a coupling interface 1 1.
  • the coupling counter interface 12 of the evaluation device 10 (FIG. 6) designed as a plug can be coupled to the socket.
  • FIG. 6 shows the sectional representation of the bearing arrangement 1 from FIG. 1, the sensor device 3 being designed as a measuring strip according to FIG. 5.
  • the sensor device 3 is arranged on the axial and / or end face of the inner ring 4 in the first installation position E1.
  • the sensor device 3 can be permanently decoupled from the evaluation device 10 after the assembly of the rolling bearing 2 with the defined axial prestressing force K. In this case, it may remain in the second installation position E2 after decoupling or be removed therefrom.
  • a plurality of the bearing assembly 1 has a plurality of sensor devices 3, which in the same or different mounting positions E1; E2 are arranged in or on the rolling bearing 2.
  • the sensor devices 3 can be spatially resolved at different measuring points along the inner and / or outer ring 4; 5 and / or on the running surfaces 13 a plurality of rolling elements 6 may be arranged.
  • FIG. 7 shows a flow chart of a method for mounting the roller bearing 2 of the bearing arrangement 1 on the shaft 7 with a defined pretensioning force K.
  • the method comprises the following steps:
  • the sensor device 2 is signal-coupled with an evaluation device 10;
  • the sensor device 3 detects the biasing force K and generates the at least one signal S as a function of the biasing force K;
  • the sensor device 3 transmits the signal S to the evaluation device 10;
  • the evaluation device 10 evaluates the signal S for measuring the biasing force K;
  • the sensor device 3 is after the evaluation of the signal S permanently decoupled from the evaluation device 10; : optionally complementarily, the sensor device 3 remains permanently in the installation position E1; E2; Optionally, the sensor device 3 can be destroyed by the rolling bearing 2 during operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Support Of The Bearing (AREA)

Abstract

Procédé de détermination d'au moins une force de précontrainte (K) s'exerçant entre un corps de support (7) et un roulement (2), monté sur le corps de support, d'un ensemble palier (1), ledit ensemble palier comportant le roulement et au moins un dispositif capteur (3), le dispositif capteur étant disposé, en position de montage (E1), dans le roulement ou sur ce dernier et étant couplé, en vue de la transmission de signaux, à un dispositif d'analyse (10), le dispositif capteur détectant la force de précontrainte, produisant au moins un signal (S) en fonction de la force de précontrainte et transmettant le signal au dispositif d'analyse, et le signal étant analysé par le dispositif d'analyse en vue de la mesure de la force de précontrainte. Selon l'invention, après l'analyse du signal, le dispositif capteur est découplé de manière durable du dispositif d'analyse.
EP14781051.9A 2013-10-29 2014-08-20 Procédé de mesure d'une force de précontrainte et ensemble palier pour la mise en oeuvre de ce procédé Ceased EP3063424A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310221942 DE102013221942A1 (de) 2013-10-29 2013-10-29 Verfahren zur Messung einer Vorspannkraft und Lageranordnung zur Durchführung des Verfahrens
PCT/DE2014/200414 WO2015062593A1 (fr) 2013-10-29 2014-08-20 Procédé de mesure d'une force de précontrainte et ensemble palier pour la mise en oeuvre de ce procédé

Publications (1)

Publication Number Publication Date
EP3063424A1 true EP3063424A1 (fr) 2016-09-07

Family

ID=51661825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14781051.9A Ceased EP3063424A1 (fr) 2013-10-29 2014-08-20 Procédé de mesure d'une force de précontrainte et ensemble palier pour la mise en oeuvre de ce procédé

Country Status (5)

Country Link
US (1) US9915287B2 (fr)
EP (1) EP3063424A1 (fr)
CN (1) CN105658970B (fr)
DE (1) DE102013221942A1 (fr)
WO (1) WO2015062593A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102015217139B4 (de) 2015-09-08 2017-03-30 Schaeffler Technologies AG & Co. KG Wälzlageranordnung
US9891136B2 (en) * 2015-09-30 2018-02-13 Deere & Company Methods to determine a bearing setting
DE102017218878A1 (de) * 2016-11-07 2018-05-24 Aktiebolaget Skf Verkabeltes Lager
DE102017111745A1 (de) * 2017-05-30 2018-12-06 Schaeffler Technologies AG & Co. KG Wälzlageranordnung für ein Getriebe
DE102017111743B3 (de) 2017-05-30 2018-05-17 Schaeffler Technologies AG & Co. KG Vorspannungsmessung mit Kraftmessbolzen
IT201800004797A1 (it) * 2018-04-24 2019-10-24 Cuscinetto mozzo ruota attivo
DE102018111841A1 (de) * 2018-05-15 2019-11-21 Schaeffler Technologies AG & Co. KG Radnabe zur Lagerung eines Fahrzeugrades
CN110744357B (zh) * 2019-10-28 2021-05-14 河南科技大学 一种机床主轴轴承瞬态预紧力测试装置及方法

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NL9101579A (nl) * 1991-09-19 1993-04-16 Skf Ind Trading & Dev Werkwijze voor het tot een bepaalde voorbelasting aanschroeven van een van schroefdraad voorzien element.
DE4218949A1 (de) 1992-06-10 1993-12-16 Schaeffler Waelzlager Kg Kraftmeßlager
NL1016756C2 (nl) 2000-11-30 2002-05-31 Skf Eng & Res Centre Bv Meetelement voor het meten van radiale en/of axiale krachten op een lager.
DE10141252C1 (de) * 2001-08-23 2003-04-17 Knorr Bremse Systeme Einrichtung zur Ermittlung von auf die Radaufhängung eines Rades eines Fahrzeuges einwirkenden Kräften und/oder Momenten
US6802208B2 (en) * 2002-03-04 2004-10-12 Delphi Technologies, Inc. Vehicle wheel bearing and method for controlling a vehicle
JP2006057814A (ja) * 2004-08-24 2006-03-02 Ntn Corp 車輪用軸受装置
WO2007029512A1 (fr) * 2005-09-06 2007-03-15 Ntn Corporation Roulement de moyeu équipé de capteur
US8864382B2 (en) * 2006-03-10 2014-10-21 Nsk Ltd. Preload measuring device for double row rolling bearing unit
JP2008303892A (ja) * 2007-06-05 2008-12-18 Ntn Corp センサ付車輪用軸受
EP2184182B1 (fr) * 2007-07-31 2016-11-02 NTN Corporation Palier équipé d'un capteur pour roue
US9442026B2 (en) 2010-06-07 2016-09-13 Aktiebolaget Skf Load sensing on a bearing

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Also Published As

Publication number Publication date
US20160215816A1 (en) 2016-07-28
CN105658970A (zh) 2016-06-08
DE102013221942A1 (de) 2015-04-30
US9915287B2 (en) 2018-03-13
CN105658970B (zh) 2019-03-08
WO2015062593A1 (fr) 2015-05-07

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