EP2598288B1 - Vorrichtung zur konditionierung eines schleifrades und verwendung für einen spitzenlosen schleifer für kernbrennstofftabletten - Google Patents

Vorrichtung zur konditionierung eines schleifrades und verwendung für einen spitzenlosen schleifer für kernbrennstofftabletten Download PDF

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Publication number
EP2598288B1
EP2598288B1 EP20110735449 EP11735449A EP2598288B1 EP 2598288 B1 EP2598288 B1 EP 2598288B1 EP 20110735449 EP20110735449 EP 20110735449 EP 11735449 A EP11735449 A EP 11735449A EP 2598288 B1 EP2598288 B1 EP 2598288B1
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EP
European Patent Office
Prior art keywords
grinding wheel
dressing
rod
sleeve
corundum
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Active
Application number
EP20110735449
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English (en)
French (fr)
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EP2598288A1 (de
Inventor
José BENED
Hervé MEDINA
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Orano Demantelement SAS
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Areva NC SA
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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
    • B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/04—Devices or means for dressing or conditioning abrasive surfaces of cylindrical or conical surfaces on abrasive tools or wheels
    • 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
    • B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/12—Dressing tools; Holders therefor

Definitions

  • the invention relates to a device and a brightening assembly capable of brightening a grinding wheel or grinding wheel, based on diamond grains.
  • the document US312133 shows a brightening device according to the preamble of claim 1.
  • the document US4098253 shows a set of brightening including a corundum stick.
  • Centerless grinding is a known grinding process known for the grinding of cylindrical workpieces, particularly for nuclear fuel pellets.
  • a centerless grinding machine usually comprises two grinding wheels, one of which is a grinding wheel, which serves to rotate the pellets on themselves by advancing them on a guide rail, called the enfilade rule in the case of nuclear fuel pellets, and the other is a working wheel and has the function of machining, that is to say ie, correct the diameter of the pellets.
  • a grinding wheel usually comprises at its periphery, as grinding elements, diamond-based bands attached by a metal binder or a resin.
  • grinding wheels for nuclear fuel pellets there are three types of strips: one for roughing, another for semi-finishing and the last for finishing pellets.
  • the efficiency of machining the grinding wheel depends on the condition of the diamonds and its fouling. To give teeth to the grinding wheel, it is necessary to perform a sharpening using corundum sticks.
  • the general object of the invention is the improvement of the brightening quality of the working wheel, and therefore of the ground parts, more particularly nuclear fuel pellets.
  • a particular aim is to reduce the risks incurred by an operator in charge of brightening manually according to the state of the art and the risks of damage incurred by the grinding wheel.
  • the subject of the invention is a device for brightening a grinding wheel which, according to the invention, essentially comprises a sheath for holding laterally and guiding a corundum stick, a jack for applying, along its longitudinal axis. a constant thrust force of the corundum stick against the working wheel, means for securing the cylinder rod to the end of a corundum stick, and linear guide means of the sleeve for translating the corundum stick parallel to the axis of the grinding wheel by maintaining it pushed against it with the same constant effort.
  • the brightening device minimizes the risks and makes brightening more efficient, more precise and more reliable.
  • the brightening device increases the life of a grinding wheel and improves the quality of the parts ground by it such as nuclear fuel pellets.
  • the sheath comprises an upwardly open groove of cross section with respect to its U-shaped longitudinal axis.
  • rollers corundum stick mounted in the sleeve substantially at the same longitudinal side, two of the rollers being opposite one another and each mounted on a branch of the U of the groove and the third being mounted on the top of the U of the groove., the space between the rollers and the bottom of the U of the groove being of dimensions corresponding to the nominal transverse dimensions of the corundum stick.
  • the rollers thus facilitate the guiding of the corundum stick, reduce friction and provide an anti-vibration function of the corundum stick in the sheath.
  • the cylinder is preferably a double-acting cylinder to further allow the distance of the corundum stick of the grinding wheel.
  • the jack is preferably still a pneumatic cylinder regulated by a pressure regulator.
  • the pressure of a pneumatic cylinder regulated ensures an effective brightening without much pressure on the grinding wheel.
  • the linear guide means are preferably constituted by dry running rails.
  • dry-type linear guiding makes it possible to avoid the presence of a moderator in the glove box, that is to say to avoid having a risk of criticality. additional and avoid pollution by said moderator of the parts to be rectified, such as nuclear fuel pellets.
  • the device according to the invention may comprise two end stops of the linear guide means for limiting the displacement of the corundum stick to the width of the working wheel.
  • the device advantageously comprises a carriage in two parts pivotable relative to each other, the lower part of the carriage being permanently guided by the linear guide means, the upper part of the pivoting carriage between a rest position in which the sleeve is substantially parallel to the axis of the grinding wheel and a brightening position in which the sleeve is substantially perpendicular to the axis of the grinding wheel.
  • a lever for manually locking the pivoting of the upper part of the carriage can be provided.
  • the invention also relates to a brightening assembly, for use in brightening a work grinding wheel, comprising a corundum stick and a workpiece, one end of the workpiece being molded on the corundum stick, the workpiece comprising at the other of its ends a groove forming mortise adapted to house the cylinder rod of the device described above, forming a tenon constituting a dovetail assembly between the post and the mortise.
  • a brightening assembly for use in brightening a work grinding wheel, comprising a corundum stick and a workpiece, one end of the workpiece being molded on the corundum stick, the workpiece comprising at the other of its ends a groove forming mortise adapted to house the cylinder rod of the device described above, forming a tenon constituting a dovetail assembly between the post and the mortise.
  • the piece may include a gripping pin to allow manual insertion of the corundum stick into the sleeve when new and its manual removal once worn.
  • the invention also relates to a centerless grinding machine comprising a grinding wheel for advancing the workpieces and a grinding wheel arranged next to the grinding wheel for grinding said workpieces and a working grinding device. described above and arranged near the grinding wheel facing it opposite the grinding wheel.
  • the centerless grinding machine is ideally suited for grinding nuclear fuel pellets.
  • the brightening device 1 is shown in configuration installed near a grinding wheel 2 to be brightened.
  • the device 1 is fixed by screws 21 to the frame 20 supporting the grinding wheel.
  • the brightening device 1 comprises, first of all, a sheath 10 for holding laterally and guiding along its longitudinal axis X a stick of corundum 3.
  • the sheath 10 comprises an upwardly open groove of cross-section with respect to its U-shaped longitudinal axis.
  • rollers 100, 101, 102 for guiding the corundum stick 3 are mounted in the sleeve 10 substantially at the same longitudinal side, at its end closest to the grinding wheel 2 to be brightened. More exactly, a roller 100 is mounted on the top of the U of the groove of the sleeve and the two others 101, 102 are facing each other and each mounted on a branch of the U of the groove.
  • the space thus defined between the rollers 100, 101, 102 and the bottom 10A of the groove U is of dimensions corresponding to the nominal transverse dimensions of the corundum stick 3 ( Figure 2B ).
  • the device 1 also comprises a double-acting pneumatic cylinder 11 for applying a constant thrust force of the corundum stick 3 held and guided in the sleeve 10 against the working grindwheel 2.
  • the fastening of the rod 110 of cylinder to the corundum stick 3 is achieved by a tenon / mortise system. More exactly, there is provided an intermediate joining piece 4 between the corundum stick 3 and the jack rod 11. As illustrated by more visible way in figure 3 , one end 40 of the part 4 being molded on the corundum stick 3. This piece 4 comprises at the other of its ends a groove 41 forming a mortise adapted to accommodate the rod 110 cylinder forming a tenon constituting a tail assembly. dovetail between the tenon and the mortise. The intermediate piece 4 further comprises a gripping pin 42 which allows the manual introduction of a new corundum stick 3 in the sleeve 10 and its removal once worn.
  • the sheath 10 and the double-acting jack 11 are mounted on the upper part 120 of a carriage 12.
  • This carriage 12 is in two parts 120, 121 pivoting relative to each other.
  • the lower portion 121 of the carriage is slidably mounted permanently on linear guide rails 13 which are parallel to the Y axis of the grinding wheel 2.
  • the linear guide serves to move the sleeve 10 over the entire width of the grinding wheel. work 2 without variation of the distance between the sleeve 10 in the brightening position and the grinding wheel 2.
  • the guidance provided by the rails is preferably dry, when the brightening is performed in a constraining environment, such as a box gloves of a grinding machine without center of nuclear fuel pellets: this avoids the presence of a moderator in the glove box (a risk of criticality) and the pollution of the pellets.
  • the upper portion 120 of the carriage 12 is pivotable between a rest position in which the sleeve 10 is substantially parallel to the Y axis of the grinding wheel 2 and a brightening position as shown in FIG. figures 1 , 2 , 3 wherein the sleeve 10 is substantially perpendicular to the Y axis of the grinding wheel 2.
  • the sleeve 10 can rotate at an angle of 90 °.
  • This locking lever 14 comprises a screw 140 fixed on the upper part 120 of the carriage 12 and an indexable handle which ensures the holding in position in each of the two positions (rest and brightening) of the tool part 10, 11.
  • the tool part 10, 11 pivots by loosening the locking lever 14 and therefore the screw 140 and then sliding it in a 1200 opening made on the upper portion 120 of the carriage 12.
  • the opening 1200 has an angular length of 90 °, which allows to rotate from 0 ° (rest position) to 90 ° (brightening position) to the tool part 10, 11.
  • the sleeve 10 is guided linearly perpendicular to the grinding wheel. and over its entire width: the corundum stick 3 is actually translated parallel to the grinding wheel 2 and is held pushed against it with the constant force of the cylinder 11 during a brightening operation.
  • FIG 3 there is shown a brightening assembly which is constituted in advance of its mounting in the tool portion 10, 11 and prior to the brightening operation itself: this set comprises a corundum stick 3 and the piece 4 in which stick 3 is adjusted with clamping at the end 40.
  • This piece 4 can be molded on the corundum stick 3.
  • This piece 4 comprises at its other end a groove 41 for securing with the rod 110 of cylinder 11 according to the tenon / mortise assembly mentioned above.
  • a gripping pin 42 is provided to allow the manual insertion of a new corundum stick in the groove of the sheath 10 and its removal once worn.
  • the pin 42 may for example be glued into the piece 4.
  • FIG 4 is shown in perspective a brightening device 1 according to the invention as it is arranged in a grinding machine 5 without a center of nuclear fuel pellets itself arranged in a glove box.
  • the centerless grinding machine 5 comprises a grinding wheel 6 for advancing the pellets by rotation on themselves and a grinding wheel 2 arranged facing the grinding wheel 6 for grinding the nuclear fuel pellets.
  • the brightening device 1 according to the invention is arranged close to the working grinding wheel 2 opposite the grinding wheel opposite the drive wheel 6.
  • the grinding wheel 2 is here confined by a cowling 22.
  • the glove box comprises an access hatch (not shown) usually intended for access to the grinding wheel.
  • the brightening device 1 is arranged in front of the access window to the grinding wheel: an operator, with his hands in the gloves of the glove box, can thus have access through the hatch to the lever 14 for manual locking, to the part tool 10, 11 of the device or any other element thereof.
  • the device according to the invention may furthermore use other materials than corundum to brighten the grinding wheels. It can be any hardness material equivalent to corundum and capable of brightening a grinding wheel based on diamond grains, such as an abrasive based on aluminum oxide, silicon carbide or quartz.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Claims (13)

  1. Vorrichtung (1) zur gründlichen Politur einer Schleifscheibe (2), welche ein Gehäuse bzw. eine Ummantelung (10) zum seitlichen Halt eines Politurstabs (3) und zur Führung gemäß der Längsachse (X), einen Zylinder (11) zur Aufbringung einer konstanten Schubkraft auf den Politurstab (3), welcher in dem Gehäuse (10) gegen die Schleifscheibe (2) gehalten und geführt wird, und Mittel (13) zur linearen Führung des Gehäuses bzw. der Ummantelung (10) aufweist, um den Politurstab (3) parallel zur Achse (Y) der Schleifscheibe (2) zu verschieben, indem er eine konstante Schubkraft auf diese beibehält, dadurch gekennzeichnet, dass der Politurstab (3) ein Stab aus Korund ist und dass die Politurvorrichtung Mittel (4, 40, 41) zur Verbindung der Zylinderstange (110) mit dem Ende des Politurstabs (3) aufweist.
  2. Vorrichtung (1) zur gründlichen Politur einer Schleifscheibe (2) nach Anspruch 1, in welcher das Gehäuse bzw. die Ummantelung (10) eine nach oben geöffnete Nut und einen U-förmigen Querschnitt zur Längsachse aufweist.
  3. Vorrichtung (1) zur gründlichen Politur einer Schleifscheibe (2) nach Anspruch 2, welche drei Laufräder (100, 101,102) zur Führung des Politurstabs (3) aufweist, welche in dem Gehäuse (10) im Wesentlichen an einer selben Längsseite befestigt sind, wobei zwei (101, 102) der Laufräder (100, 101, 102) gegenüber voneinander liegen und jeweils auf einem Schenkel der U-förmigen Nut befestigt sind und das dritte Laufrad (100) auf der Oberseite der U-förmigen Nut befestigt ist, wobei der Raum zwischen den Laufrädern (100, 101, 102) und dem Boden der U-förmigen Nut eine Abmessung aufweist, welche der nominalen Querabmessung des Politurstabs (3) entspricht.
  4. Vorrichtung (1) zur gründlichen Politur einer Schleifscheibe (2) nach einem der vorhergehenen Ansprüche, in welcher der Zylinder (11) ein doppeltwirkender Zylinder ist.
  5. Vorrichtung (1) zur gründlichen Politur einer Schleifscheibe (2) nach einem der vorhergehenden Ansprüche, in welcher der Zylinder (11) ein Pneumatikzylinder ist, welcher von einem Druckminderer geregelt wird.
  6. Vorrichtung (1) zur gründlichen Politur einer Schleifscheibe (2) nach einem der vorhergehenden Ansprüche, in welcher die Mittel zur linearen Führung durch Schienen (13) im Trockenlauf gebildet werden.
  7. Vorrichtung (1) zur gründlichen Politur einer Schleifscheibe (2) nach einem der vorhergehenden Ansprüche, welche zwei Anschläge bzw. Endbegrenzungen des Verlaufs der linearen Führungsmittel (13) aufweist, um die Verlagerung des Politurstabs (3) zur Breite der Schleifscheibe (2) zu begrenzen.
  8. Vorrichtung (1) zur gründlichen Politur einer Schleifscheibe (2) nach einem der vorhergehenden Ansprüche, welche einen Laufwagen bzw. Schlitten (12) aus zwei zueinander verschwenkbaren Teilen (120, 121) aufweist, wobei der untere Teil (121) des Laufwagens bzw. Schlittens (12) permanent mit Hilfe der linearen Führungsmittel (13) geführt wird, wobei der obere Teil (120) des Laufwagens bzw. Schlittens (12) zwischen einer Ruhestellung, in welcher das Gehäuse bzw. die Ummantelung (10) im Wesentlichen parallel zur Achse (Y) der Schleifscheibe (2) ist, und einer Politurstellung schwenkt, in welcher das Gehäuse bzw. die Ummantelung (10) im Wesentlichen senkrecht zur Achse (Y) der Schleifscheibe (2) ist.
  9. Vorrichtung (1) zur gründlichen Politur einer Schleifscheibe nach Anspruch 8, welche einen manuellenVerriegelungshebel (14) zum Schwenken des oberen Teils (120) des Laufwagens bzw. Schlittens (12) aufweist.
  10. Politureinheit, welche dazu bestimmt ist, zur Politur einer Schleifscheibe (2) verwendet zu werden, wobei die Einheit einen Stab (3) aus Korund sowie ein Teil bzw. Stück (4) aufweist, dadurch gekennzeichnet, dass ein Ende (40) des Teils bzw. Stücks (4) eng an dem Korundstab (3) anliegt, wobei das Teil bzw. Stück (4) an seinem anderen Ende eine ein Zapfenloch bildende Einschnürung (41) aufweist, welche zur Aufnahme der Zylinderstange (11) der Vorrichtung gemäß einem der vorhergehenden Ansprüche angepasst ist, wobei die Zylinderstange einen Zapfen bildet, wodurch der Zapfen und das Zapfenloch eine Schwalbenschwanzverbindung bilden.
  11. Politureinheit nach Anspruch 10, in welcher das Teil bzw. Stück (4) einen Greifzapfen (42) aufweist.
  12. Spitzenlose Schleifmaschine (5) für Schleifgut, welche eine Antriebsscheibe (6) für die Zuführung des Schleifguts sowie eine Schleifscheibe (2) aufweist, welche gegenüber der Antriebsscheibe (6) zum Schleifen des Schleifguts angeordnet ist, sowie eine Vorrichtung (1) zur gründlichen Politur der Schleifscheibe nach einem der Ansprüche 1 bis 9, welche in der Nähe der Schleifscheibe (2) gegenüber dieser entgegengesetzt zur Antriebsscheibe (6) angeordnet ist.
  13. Spitzenlose Schleifmaschine (5) nach Anspruch 12, welche zum Schleifen von Kernbrennstofftabletten angepasst ist.
EP20110735449 2010-07-27 2011-07-25 Vorrichtung zur konditionierung eines schleifrades und verwendung für einen spitzenlosen schleifer für kernbrennstofftabletten Active EP2598288B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1056137A FR2963268B1 (fr) 2010-07-27 2010-07-27 Dispositif d'avivage de meule de travail et son utilisation dans une rectifieuse sans centre de pastilles de combustible nucleaire
PCT/EP2011/062746 WO2012013633A1 (fr) 2010-07-27 2011-07-25 Dispositif d'avivage de meule de travail et son utilisation dans une rectifieuse sans centre de pastilles de combustible nucleaire

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Publication Number Publication Date
EP2598288A1 EP2598288A1 (de) 2013-06-05
EP2598288B1 true EP2598288B1 (de) 2014-09-17

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US (1) US9022836B2 (de)
EP (1) EP2598288B1 (de)
JP (1) JP5842312B2 (de)
CN (1) CN103124616B (de)
FR (1) FR2963268B1 (de)
RU (1) RU2581939C2 (de)
WO (1) WO2012013633A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105798791B (zh) * 2016-05-13 2018-06-29 廊坊盛森磨具有限公司 一种砂轮制造过程中高温固化前的工装设备
WO2020132384A1 (en) 2018-12-21 2020-06-25 Celgene Corporation Thienopyridine inhibitors of ripk2
CN113001421B (zh) * 2021-02-18 2022-06-17 蓝思智能机器人(长沙)有限公司 磨皮棒制作机
CN115091379B (zh) * 2022-07-21 2023-04-28 上海惠而顺精密工具股份有限公司 一种一体式氧化锆磨头加工工艺及其制成的磨具

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2187690A (en) * 1938-09-29 1940-01-16 Norton Co Form truing
US2832330A (en) * 1956-08-09 1958-04-29 William J Hughes Grinding wheel dresser
US3122133A (en) * 1959-08-11 1964-02-25 Landis Tool Co Preloaded supporting means for grinding machine tool holders
US3221727A (en) * 1963-05-31 1965-12-07 Paul J Pitcl Abrasive wheel dressing device
FR1595262A (de) 1968-03-16 1970-06-08
SU429943A1 (ru) * 1972-02-25 1974-05-30 М. И. Годовский Способ непрерывной правки алмазного отрезного круга
US4068416A (en) * 1974-12-20 1978-01-17 General Electric Company Grinding wheel dressing method
JPS5733963Y2 (de) * 1977-02-17 1982-07-27
US4339896A (en) * 1977-06-13 1982-07-20 General Electric Company Abrasive compact dressing tools, tool fabrication methods for dressing a grinding wheel with such tools
US4167081A (en) 1977-07-07 1979-09-11 Westinghouse Electric Corp. Centerless grinder
US4173929A (en) 1977-11-29 1979-11-13 Documation Incorporated Printer ribbon anti-fold mechanism
US4182082A (en) 1978-01-19 1980-01-08 Ernst Winter & Sohn (Gmbh & Co.) Method for the profiling of grinding wheels and apparatus therefor
US4274388A (en) * 1979-10-15 1981-06-23 The Warner & Swasey Company Method and apparatus for dressing grinding wheels
DE3116140A1 (de) 1981-04-23 1982-11-11 Batal GmbH, 8560 Lauf Verfahren zum parallelen ausrichten der vorderen undhinteren regelscheibenseitigen werkstueckfuehrung
US4434583A (en) 1981-07-06 1984-03-06 Burgess Jr Warren C Automatically adjustable workpiece guide and feed mechanism
US4452223A (en) * 1982-09-03 1984-06-05 Litton Industrial Products, Inc. Cylindrical grinding machine truing and dressing device
US4700936A (en) 1986-08-26 1987-10-20 Lamb Technicon Corp. Clamp mechanism
JPH0333419Y2 (de) * 1987-04-03 1991-07-16
JPH0413075Y2 (de) 1987-11-18 1992-03-27
DE3811782A1 (de) * 1987-12-23 1989-07-06 Fortuna Werke Maschf Ag Verfahren zum abrichten von schleifscheiben
JPH01181984A (ja) * 1988-01-14 1989-07-19 S M K:Kk チップドレッサー
JPH0319756A (ja) 1989-06-15 1991-01-28 Toshin Seiki Kk 心なし研削盤のワークガイド装置
JPH0798300B2 (ja) 1989-09-27 1995-10-25 光洋機械工業株式会社 心なし研削盤のワークガイド装置
US5119599A (en) * 1990-06-04 1992-06-09 Clipper Diamond Tool Co., Inc. Diamond dressing unit for grinding wheels
US5309801A (en) 1992-04-21 1994-05-10 Markle Kenneth E Micro-adjustable case neck turning tool
JPH06320421A (ja) * 1993-05-14 1994-11-22 Fuji Oozx Inc 心なし研削盤における砥石車の修整装置
JP3090857B2 (ja) * 1994-11-08 2000-09-25 宮下 政和 段付き工作物外周加工機
IT1274498B (it) * 1995-05-12 1997-07-17 Balance Systems Srl Dispositivo e procedimento di comando e controllo per una macchina rettificatrice
GB9721511D0 (en) 1997-10-11 1997-12-10 British Nuclear Fuels Plc Apparatus for machining workpieces
JPH11216668A (ja) * 1998-01-30 1999-08-10 Nippei Toyama Corp 研削盤
FR2779134B1 (fr) 1998-05-26 2000-06-30 Cogema Systeme de convoyage pour le transport d'objets sensiblement cylindriques tels que des pastilles de combustible nucleaire
JPH11333718A (ja) * 1998-05-28 1999-12-07 Aisin Seiki Co Ltd 研削加工方法
JP2000237957A (ja) * 1999-02-22 2000-09-05 Hitachi Seiki Co Ltd 研削盤
JP3471273B2 (ja) 2000-01-27 2003-12-02 核燃料サイクル開発機構 乾式研削機用研削粉末回収装置
FR2825307B1 (fr) 2001-06-05 2004-11-26 Cogema Procede et dispositif de rectification d'objets cylindriques, notamment de pastilles de combustible nucleaire
US6921322B2 (en) * 2003-01-24 2005-07-26 Artisan Industries, Inc. Apparatus and methods for refinishing a surface in-situ
RU30112U1 (ru) * 2003-03-11 2003-06-20 Ашкиназий Яков Михайлович Бесцентровый круглошлифовальный станок для обработки изделий на проход
CN2693414Y (zh) * 2003-12-25 2005-04-20 昆明钢铁股份有限公司 一种砂轮修整装置
EP1716973B1 (de) * 2004-02-18 2009-04-01 Toyoda Van Moppes Ltd. Richtvorrichtung mit zwei stirnflächen, richtwerkzeug mit zwei stirnflächen und verfahren zum richten mit zwei stirnflächen
US7223038B2 (en) 2004-07-06 2007-05-29 Billy Star Holding Ltd Spreading apparatus for flowable materials
DE502007000453D1 (de) 2006-03-14 2009-04-09 Wenger Automation & Engineerin Hoch-Geschwindigkeits-Lader
CN200951523Y (zh) * 2006-04-11 2007-09-26 邓国华 一种可调节预压力的砂轮修整器
JP2008221449A (ja) * 2007-03-16 2008-09-25 Dainippon Printing Co Ltd ドクター刃研磨装置およびドクター刃研磨方法
JP2009006438A (ja) 2007-06-27 2009-01-15 Kyocera Corp センタレス研削盤用支持部材
CN201105414Y (zh) * 2007-11-27 2008-08-27 长安汽车（集团）有限责任公司 一种带测量装置的砂轮修整器
WO2010019774A2 (en) * 2008-08-15 2010-02-18 3M Innovative Properties Company Machine for truing abrasive wheels
CN201249405Y (zh) * 2008-08-20 2009-06-03 新乡日升数控轴承装备股份有限公司 一种砂轮修整器装置
JP5257065B2 (ja) 2008-12-26 2013-08-07 日本精工株式会社 被加工物支持体および機械加工装置
CN102725102A (zh) * 2009-05-19 2012-10-10 圣戈班磨料磨具有限公司 用于轧辊研磨的方法以及装置
CN201455808U (zh) * 2009-06-24 2010-05-12 陈俊 砂轮自动修整器
JP4890598B2 (ja) * 2009-08-27 2012-03-07 株式会社トプコン ポリッシング装置
CN101712139A (zh) * 2009-11-20 2010-05-26 南京工大数控科技有限公司 一种用于回转支承滚道磨削的砂轮修整方法
FR2963265B1 (fr) 2010-07-27 2013-04-12 Areva Nc Dispositif pour l'introduction, le guidage et l'evacuation de pieces cylindriques, telles que des pastilles de combustible nucleaire, dans une rectifieuse sans centre

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EP2598288A1 (de) 2013-06-05
CN103124616A (zh) 2013-05-29
US20130122789A1 (en) 2013-05-16
RU2581939C2 (ru) 2016-04-20
FR2963268A1 (fr) 2012-02-03
WO2012013633A1 (fr) 2012-02-02
FR2963268B1 (fr) 2015-03-13
US9022836B2 (en) 2015-05-05
CN103124616B (zh) 2015-06-10
JP2013535346A (ja) 2013-09-12
JP5842312B2 (ja) 2016-01-13
RU2013108445A (ru) 2014-09-10

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