EP1378322B1 - Verfahren und bewegte Vorrichtung mit zwei Schwingungsbewegungen - Google Patents

Verfahren und bewegte Vorrichtung mit zwei Schwingungsbewegungen Download PDF

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Publication number
EP1378322B1
EP1378322B1 EP02405561A EP02405561A EP1378322B1 EP 1378322 B1 EP1378322 B1 EP 1378322B1 EP 02405561 A EP02405561 A EP 02405561A EP 02405561 A EP02405561 A EP 02405561A EP 1378322 B1 EP1378322 B1 EP 1378322B1
Authority
EP
European Patent Office
Prior art keywords
polishing
tank
movement
piece
product
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.)
Expired - Lifetime
Application number
EP02405561A
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English (en)
French (fr)
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EP1378322A1 (de
Inventor
Marco Von Gunten
Francis Bordonado
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BestinClass SA
Original Assignee
BestinClass SA
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 BestinClass SA filed Critical BestinClass SA
Priority to DE60214528T priority Critical patent/DE60214528T2/de
Priority to PT02405561T priority patent/PT1378322E/pt
Priority to AT02405561T priority patent/ATE338611T1/de
Priority to EP02405561A priority patent/EP1378322B1/de
Priority to ES02405561T priority patent/ES2272657T3/es
Publication of EP1378322A1 publication Critical patent/EP1378322A1/de
Application granted granted Critical
Publication of EP1378322B1 publication Critical patent/EP1378322B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/02—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels
    • B24B31/027—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels with additional oscillating movement
    • 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
    • B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/06—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving oscillating or vibrating containers
    • B24B31/064—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving oscillating or vibrating containers the workpieces being fitted on a support

Definitions

  • the present invention relates to a method of polishing parts more particularly but not exclusively metal, and a polishing device adapted to implement this method, according to the preamble of claims 1 and 5 respectively.
  • Document WO 0029171 describes a polishing method, as well as a polishing device according to the preamble of claims 1 and 5 respectively.
  • the standards concerning mechanical engineering describe different degrees of surface state or roughness or polishing of a metal part.
  • the VSM standards 10230 and 10231 define twelve degrees of roughness ranging from N1 to N12, the degree N1 corresponding to the finest polishing while N12 corresponds to a coarse surface state.
  • Current polishing machines make it possible to reach the degree N4 or N3, the degrees N2 or N1 being currently obtainable only by covering the surface to be polished with a metal layer, for example by chromium plating. Such a method of lap polishing has several disadvantages.
  • a first object of the invention is therefore to propose a polishing process making it possible to obtain, by mechanical means, which can be automated, a high degree of polishing, for example at least the degree N1, this for a metal part of any shape, all polishing surfaces can be completed in the same degree of polishing and without the need to take the piece for a subsequent recovery operation such as a chromium recovery operation.
  • Another object of the invention is to propose a polishing device which makes it possible to carry out the preceding method, said device possibly comprising means allowing a fully automated operation of a polishing cycle.
  • the subject of the invention is a polishing method according to claims 1.
  • the invention also relates to a device for implementing the method according to claim 5.
  • the invention relates to a method of polishing at least one part 2 with a polishing product contained in a tank 1, at least one surface of the part 2 being exposed in contact with said product of polishing 10.
  • the polishing product 10 comprises polishing particles and a liquid in which these particles bathe.
  • polishing product is not the subject of the invention, the composition of this product will not be detailed.
  • At least one induced movement B, C, of a substantially circular nature is caused.
  • a polishing product is used which generates a mechanical action and a chemical action.
  • a vessel 1 having a substantially vertical side wall and a substantially flat and horizontal bottom is chosen.
  • the part support is constituted by using the wall of the vessel 1 in an area which is exposed in contact with the polishing product 10, and at least a first oscillatory movement A is imposed on said vessel 1 in such a way that the part 2 is displaced in the polishing product 10.
  • the part support is constituted by using a member 100 separate from the vessel 1 and it is to this member 100 that at least said first oscillatory movement A is imposed, while this member 100 keeps the part 2 in contact with said product. polishing 10.
  • the polishing tank 1 is subjected to the action of a displacement device 3, said polishing device 3.
  • the tank is animated with movements intended to induce movements of the polishing product 10.
  • the tank 1 is driven by a first oscillatory movement A carried out in a substantially horizontal plane.
  • This first movement can be illustrated by the path of each of the constituent points of the vessel 1, for example the four corners, on a circle, in a direction represented by the arrows A, in a plane parallel to the plane of the drawing, a given face of the vessel remaining always parallel to itself during this movement.
  • Another position of the vessel 1 during this first movement has been represented in 1A.
  • This first oscillatory movement A is completed by a second movement made in a direction perpendicular to the horizontal, that is to say in a substantially vertical direction. The manner in which these movements are produced will be described later.
  • the mixture 10 that it contains is animated with induced movements of substantially circular nature as shown in FIG. 1.
  • a main displacement B, substantially central, is distinguished.
  • secondary displacements C substantially peripheral.
  • the principle of the method therefore consists in imposing a compound oscillatory movement on the vessel 1 such that displacements are created in the polishing product 10. It is understood that if a metal part 2 is fixed in the vessel 1, - see FIG. it is covered with the polishing product 10 and that the movement described further to the tank is printed, it will create a plurality of displacements around the part 2, these displacements coming from the movement imposed on the vessel 1 in cooperation with the irregularities of shape of the piece facing irregularities of shape of the vessel. Preferably the part 2 will not be disposed in the center of the tank, first to create an unbalance, thereby increasing the amplitude of the translational movement in rotation, and then to increase the substantially circular effect.
  • Displacements B and C shown in Figure 1 correspond to movements produced when the tank does not contain the part 2 to be polished; it can be seen that when one or more pieces are arranged in the tank, there are still other displacements as well as displacements along axes different from those represented, resulting from the irregularities of shape of the pieces as well as the movement of oscillation perpendicular to the plane of the figure mentioned above.
  • the polishing product 10 effecting the polishing under the action of the displacements described can be any known polishing product, in liquid or pasty form.
  • the polishing device 3 consists of a frame 30 resting on shock absorbers known to the art on the ground, this in order to limit the transmission of vibrations to the environment.
  • a motor 32 preferably an electric motor, rotates a vertical axis 33, via two pulleys and a belt according to the embodiment shown.
  • the vertical axis 33 is composed of two portions, a lower portion 33A and an upper portion 33B, the lower portion 33A rotating the upper portion 33B, but the upper portion being axially slidable relative to the lower portion 33A.
  • the upper part of the lower portion 33A consists of a tube, in which the lower part of the upper portion 33B is slidably engaged, a key ensuring the transmission of the rotational movement between the two axis portions. without preventing the axial relative sliding of the two axis portions.
  • the lower portion of the lower portion 33A of the shaft 33 is held by a first bearing 34 whose outer cage is held rigidly by a support fixed to the frame 30.
  • the upper portion of the upper portion 33B of the shaft 33 projects out of frame 30 by an opening of its upper face and is held in a second bearing 35, the outer cage is maintained on a swash plate 36.
  • the swash plate 36 is fixed to the frame 30 by means of spring means, for example a plurality of relatively rigid coil springs 37, arranged on the periphery of the swash plate 36, so as to keep it in a substantially horizontal plane.
  • spring means for example a plurality of relatively rigid coil springs 37, arranged on the periphery of the swash plate 36, so as to keep it in a substantially horizontal plane.
  • An unbalance flyweight 38 is attached to the upper portion of axis 33B.
  • the tank 1 is fixed to the upper face of the swash plate 36 by detachable fixing means 11.
  • the axis of rotation 33 pivots between the two bearings 34 and 35. Since only one of these bearings, and precisely that of the bottom referenced 34 is fixed to the frame and that the other, that referenced 35 is fixed to the swash plate 36, in turn connected only by the springs 37 to the frame 30, the axis 33 will tend to take a rotational movement oscillating around the vertical direction, the oscillation component being transmitted said swash plate 36. The presence of the weight 38 near the upper end of the axis 33 tends to increase this oscillation movement.
  • the period of rotation of the translation movement in rotation corresponds to the speed of rotation of the axis 33 while its amplitude depends on the moving masses and in particular the unbalance they represent with respect to the vertical axis.
  • the springs 37 are chosen with sufficient rigidity to limit the range of motion. The rotation of the device as described above, thus imposing the translation movement in rotation along a substantially horizontal plane described above, imposes constraints on the springs 37 which then impose, in addition to the first oscillatory movement A in a substantially horizontal plane. , a second oscillatory movement D in a substantially vertical direction such as a slight oscillation movement as indicated in D.
  • the frequency and amplitude of this second oscillatory movement D depend essentially on the moving masses, the characteristics of the springs, as well as the amplitude and frequency of the first oscillatory movement A of the tank.
  • the relative sliding of the two axis portions 33A and 33B is intended to absorb the second movement oscillatory D as well as to compensate for the bending of the springs 37 when the swash plate 36 is loaded with the vessel 1 containing the parts to be polished as well as the polishing product 10.
  • the device 3 is completed with an electronic part 39A, possibly programmable, controlling the motor 32, as well as a control panel 39B schematically with a keyboard and two push buttons.
  • the tank 1 can be closed by a cover (not shown in the figure).
  • the second functional means 60 for imposing at least the first oscillating movement on the arm 100 is advantageously of the same nature as the first functional means 50.
  • the polishing device comprises two independent motors 32.
  • the polishing device 3 comprises a means 101 controlled for multi-directional movement of at least the part of the arm 100 which supports at least one piece 2, so as to constitute a means of handling at least one such room 2.
  • This technical feature allows the mechanical manipulation of at least one part 2 for its loading and unloading in the tank 1, namely, at the beginning and end of the cycle.
  • This mechanization of loading and unloading can advantageously be automated.
  • a complete polishing cycle which does not form part of the invention, comprising a step of preparation of the tank 1.
  • one or more pieces to be polished 2 are placed so that they are not directly in contact with each other or with the walls of the tank.
  • the parts are fixed inside the tank, by any suitable means 12, so that they are fixed rigidly and that their attachment is not destroyed under the effect of vibration.
  • the fasteners will support the parts to be polished by surfaces of said parts that do not require polishing; if this would not be possible, it will be appropriate later, after having polished a first part of the part, to disassemble the assembly, to modify the fixation of this part so that it presses on a portion already polished and to take again the polishing to polish the surface portions previously masked by the fastener.
  • one or more portions of surfaces should not be polished, it is possible to protect them by covering them with a protective wax or even more simply an adhesive tape.
  • the tank is filled with the polishing product 10 so as to cover the parts to be polished.
  • the tank 1 is then disposed on the swash plate 36, which is fixed thereto by the fastening means 11, and then the polishing cycle is controlled via the control panel 39B.
  • This control panel 39B can be very simple, controlling only the start or stop of the motor and its speed and direction of rotation. Other parameters can also be introduced by this control panel or by other means, for example taking into account the mass of the parts to be polished and the initial surface state, it is possible to determine the duration of the cycle of polishing and control one or more changes of direction of rotation and speed of the motor during the cycle.
  • the tank 1 is removed from the plate 36, the polishing product is removed from the tank, the polished pieces are also removed from the tank and are then thoroughly washed.
  • the liquid components of the polishing product are removed from the mixture and are then regenerated or destroyed if they can not be recovered.
  • the particles are also washed and recovered for future use.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (12)

  1. Polierverfahren zum Polieren von mindestens einem Werkstück (2) mit einem in einer Wanne (1) enthaltenen Poliermittel (10), wobei mindestens eine Fläche des Werkstücks (2) in Kontakt mit dem genannten Poliermittel (10) gebracht wird, in welchem
    - jedes zu polierende Werkstück (2) an einem Werkstückhalter (1, 100) befestigt wird, der dieses Werkstück (2) in Kontakt mit dem Poliermittel (10) hält;
    - mindestens eines der beiden Elemente, und zwar der Werkstückhalter (1, 100) und das Poliermittel (10), gezwungen wird, eine erste Schwingungsbewegung (A) auszuführen, deren Orientierung, Schwingungsweite und Häufigkeit vorab ausgewählt werden, um in dem Poliermittel (10) mindestens eine induzierte Bewegung (B, C) zu verursachen, die bei Berührung des Werkstückes (2) seine Bewegung erzeugt;
    - wobei der Werkstückhalter durch Verwendung eines von der Wand der Wanne (1) getrennten Organs (100) gebildet ist;
    - einerseits die Wanne (1) mindestens eine erste Schwingungsbewegung (A) gezwungenermaßen ausführt;
    dadurch gekennzeichnet,
    dass andererseits das den Werkstückhalter bildende Organ (100) mindestens eine weitere erste Schwingungsbewegung (A) ebenfalls gezwungenermaßen derart ausführt, dass diese Bewegung des Organs (100) mit der Bewegung der Wanne (1) kombiniert wird, um die Polierwirkung zu verstärken.
  2. Polierverfahren nach Anspruch 1, dadurch gekennzeichnet, dass, mindestens eines der beiden Elemente, und zwar der Werkstückhalter (1, 100) und das Poliermittel (10), gezwungenermaßen zwei Schwingungsbewegungen vollzieht, wobei
    - eine erste Schwingungsbewegung (A) in einer ersten relativ zu einer waagerechten Ebene bestimmten Ebenen ausgeführt ist, und
    - eine zweite Schwingungsbewegung (D) in mindestens einer relativ zu der genannten ersten Ebene bestimmten Orientierungsrichtung ausgeführt ist.
  3. Polierverfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet dass,
    - die Form einer Wanne (1) derart ausgewählt wird, dass sie bei einer Verwendung in einem Poliervorgang in verschiedenen waagerechten Ebenen einen polygonförmigen oder wesentlich kreisförmigen Querschnitt aufweist.
  4. Polierverfahren nach Anspruch 3, dadurch gekennzeichnet, dass die Wanne (1) derart ausgewählt ist, dass sie eine wesentlich vertikale Seitenwand und einen wesentlich ebenen und waagerechten Boden aufweist.
  5. Vorrichtung zur Ausführung des Verfahrens nach irgendeinem der Ansprüche 1 bis 4, mit einer Wanne (1), die ein Poliermittel (10) und ein erstes zweckmäßiges Mittel (50), um die Wanne (1) dazu zu bringen, mindestens eine erste Schwingungsbewegung (A) auszuführen und ein Organ (100) enthält, der getrennt von der Wanne (1) den Werkstückhalter bildet, dadurch gekennzeichnet, dass sie
    - ein zweites zweckmäßiges Mittel (60) umfasst, um das den Werkstückhalter bildende Organ (100) dazu zu bringen, mindestens eine weitere ausgewählte erste Schwingungsbewegung (A) derart auszuführen, dass die Bewegung des Organs (100) mit der Bewegung de Wanne (1) kombiniert ist, um die Polierwirkung zu verstärken.
  6. Poliervorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass sie ein erstes zweckmäßiges Mittel (50) umfasst, um mindestens eines von beiden Elementen, und zwar den genannten Halter und das Poliermittel, dazu zu bringen, zwei Schwingungsbewegungen auszuführen, wobei
    - eine erste Schwingungsbewegung (A) in einer ersten zu einer horizontalen Ebene definierten Orientierungsebene ausgeführt ist, und
    - eine zweite Schwingungsbewegung (D) in einer zu der gesagten ersten Ebene definierten Orientierungsrichtung ausgeführt ist, und
    wobei die Häufigkeit und die Schwingungsweite der ersten und zweiten Bewegungen vorbestimmt sind, um in dem Poliermittel (10) mindestens eine induzierte Bewegung (B, C) zu erzeugen, die seine Verschiebung bei der Berührung mit dem Werkstück (2) verursacht.
  7. Poliervorrichtung nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass sie ein Gestell (30) und mindestens eines der genannten ersten und zweiten zweckmäßigen Mittel (50, 60) aufweist, wobei eines dieser zweckmäßigen Mittel Mittel (32) zum Drehbarenantrieb einer wesentlich waagerechten Achse (33) umfasst, wobei ein Endabschnitt (33A) der gesagten Achse durch eine erste Laufwerkeinrichtung (34) festgehalten wird, deren äußerer Käfig an dem Gestell (30) befestigt ist, das andere Ende (33B) der gesagten Achse aus eine Öffnung der Oberseite des Gestells herausragt und eine waagerecht angeordnete Schwingungsplatte (36) über eine zweite Laufwerkvorrichtung (35) trägt, deren äußerer Käfig an der gesagten Platte befestigt ist, wobei die gesagte Platte andererseits an dem Gestell durch Federmittel (37) verbunden und mit Mitteln zur Befestigung eines Werkstückhalters (2), wie zum Beispiel der Wanne (1) oder des Tragorgans (100), versehen ist.
  8. Poliervorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die wesentlich senkrechte Achse (33) eine im Bereich ihrer oberen Ende (33B) angeordnete Unwuchtmasse (38) aufweist.
  9. Poliervorrichtung nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, dass die wesentlich senkrechten Achse (33) mit zwei sich aneinander anschließenden Achsenabschnitten (33A, 33B) gebildet ist, die zueinander in der Achsenrichtung verschiebbar sind.
  10. Poliervorrichtung nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, dass die motorangetriebenen Mittel (32) geeignet sind, die Achse (33) beziehungsweise die Schwingungsplatte (36) und die Polierwanne (1) in zwei Drehrichtungen anzutreiben.
  11. Poliervorrichtung nach einem der Ansprüche 6 bis 10, dadurch gekennzeichnet, dass sie des Weiteren Steuermittel zur automatischen Steuerung (39A, 39B) der Polierzyklen umfasst.
  12. Poliervorrichtung nach einem der Ansprüche 6 bis 11, dadurch gekennzeichnet, dass sie ein multidirektional gesteuertes Bewebungsmittel (101) zur Bewegung mindestens eines Armteils (100) umfasst, das mindestens ein Werkstück (2) trägt, um ein Handhabungsmittel zur Handhabung mindestens eines solchen Werkstückes (2) zu bilden und die mechanische Handhabung mindestens eines Werkstückes (2) zum Laden und Entladen desselben in die Wanne(1) und zwar am Anfang und am Ende sowie im Lauf eines Polierzyklus zu ermöglichen, und somit eine Kontrolle im Verlauf des gesagten Zyklus zu gewährleisten.
EP02405561A 2002-07-04 2002-07-04 Verfahren und bewegte Vorrichtung mit zwei Schwingungsbewegungen Expired - Lifetime EP1378322B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE60214528T DE60214528T2 (de) 2002-07-04 2002-07-04 Verfahren und bewegte Vorrichtung mit zwei Schwingungsbewegungen
PT02405561T PT1378322E (pt) 2002-07-04 2002-07-04 Processo e dispositivo de polimento por abrasão de superfícies ''em rotação'' com dois movimentos oscilatórios
AT02405561T ATE338611T1 (de) 2002-07-04 2002-07-04 Verfahren und bewegte vorrichtung mit zwei schwingungsbewegungen
EP02405561A EP1378322B1 (de) 2002-07-04 2002-07-04 Verfahren und bewegte Vorrichtung mit zwei Schwingungsbewegungen
ES02405561T ES2272657T3 (es) 2002-07-04 2002-07-04 Procedimiento y dispositivo de pulido por abrasion de superficies "en tambor" con dos movimientos oscilatorios.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02405561A EP1378322B1 (de) 2002-07-04 2002-07-04 Verfahren und bewegte Vorrichtung mit zwei Schwingungsbewegungen

Publications (2)

Publication Number Publication Date
EP1378322A1 EP1378322A1 (de) 2004-01-07
EP1378322B1 true EP1378322B1 (de) 2006-09-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP02405561A Expired - Lifetime EP1378322B1 (de) 2002-07-04 2002-07-04 Verfahren und bewegte Vorrichtung mit zwei Schwingungsbewegungen

Country Status (5)

Country Link
EP (1) EP1378322B1 (de)
AT (1) ATE338611T1 (de)
DE (1) DE60214528T2 (de)
ES (1) ES2272657T3 (de)
PT (1) PT1378322E (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011116562A1 (de) 2011-10-21 2013-04-25 Otec Präzisionsfinish GmbH Verfahren und Vorrichtung zur Oberflächenbearbeitung von Werkstücken
EP4372484A1 (de) 2022-11-16 2024-05-22 Richemont International S.A. Hohlgehäuse für eine uhrgehäuse und herstellungsverfahren dafür

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KR100991059B1 (ko) * 2008-06-05 2010-10-29 김정수 다이캐스팅 제품의 표면 연마장치 및 그 방법
DE102009044234A1 (de) * 2009-10-12 2011-05-12 Walther Trowal Gmbh & Co. Kg Vorrichtung und Verfahren zur Oberflächenbearbeitung von Werkstücken
IT1401855B1 (it) 2010-10-19 2013-08-28 Mingot Apparecchiatura per il trattamento di un prodotto.
US20140220869A1 (en) * 2013-02-01 2014-08-07 Southern Taiwan University Of Science And Technology Subtle vortex polishing apparatus
CN103612192A (zh) * 2013-11-06 2014-03-05 梧州学院 一种超硬材料的表面研磨抛光方法
CN108044490A (zh) * 2018-01-09 2018-05-18 河南共达机械有限公司 一种汽车轮毂抛光装置
DE102019112665A1 (de) * 2019-05-15 2020-11-19 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Schleifen und/oder Polieren eines Bauteils
CN110893578B (zh) * 2019-11-17 2020-12-11 叶诚帆 一种滚筒式抛光机
CN115213805B (zh) * 2022-07-20 2023-12-15 邵东市鸿伟工具有限公司 一种活动扳手自动化加工设备及其使用方法
CN115870872B (zh) * 2023-01-05 2023-05-12 苏州思科赛德电子科技有限公司 一种振动式接线端子抛光机

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US4012869A (en) * 1975-05-02 1977-03-22 Roto-Finish Company Reciprocal finishing apparatus
US4067147A (en) * 1976-09-03 1978-01-10 Wheelabrator-Frye, Inc. Method and apparatus for bowl type vibratory finishing
EP0922530B1 (de) * 1997-12-10 2005-03-23 Shuji Kawasaki Gleitschleifvorrichtung
WO2000029171A1 (de) * 1998-11-14 2000-05-25 MTU MOTOREN- UND TURBINEN-UNION MüNCHEN GMBH Anordnung zur feinbearbeitung von rotationssymmetrischen bauteilen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011116562A1 (de) 2011-10-21 2013-04-25 Otec Präzisionsfinish GmbH Verfahren und Vorrichtung zur Oberflächenbearbeitung von Werkstücken
EP4372484A1 (de) 2022-11-16 2024-05-22 Richemont International S.A. Hohlgehäuse für eine uhrgehäuse und herstellungsverfahren dafür

Also Published As

Publication number Publication date
DE60214528T2 (de) 2007-06-06
ES2272657T3 (es) 2007-05-01
DE60214528D1 (de) 2006-10-19
PT1378322E (pt) 2007-01-31
ATE338611T1 (de) 2006-09-15
EP1378322A1 (de) 2004-01-07

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