EP2317406B1 - Befestigung eines harten Teils an eine Achse ohne Eintreiben oder Kleben - Google Patents

Befestigung eines harten Teils an eine Achse ohne Eintreiben oder Kleben Download PDF

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Publication number
EP2317406B1
EP2317406B1 EP10186608.5A EP10186608A EP2317406B1 EP 2317406 B1 EP2317406 B1 EP 2317406B1 EP 10186608 A EP10186608 A EP 10186608A EP 2317406 B1 EP2317406 B1 EP 2317406B1
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EP
European Patent Office
Prior art keywords
arbour
recess
securing
hole
melting
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.)
Active
Application number
EP10186608.5A
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English (en)
French (fr)
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EP2317406A1 (de
Inventor
Pierre Cusin
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.)
Nivarox Far SA
Nivarox SA
Original Assignee
Nivarox Far SA
Nivarox 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.)
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Publication date
Application filed by Nivarox Far SA, Nivarox SA filed Critical Nivarox Far SA
Priority to EP10186608.5A priority Critical patent/EP2317406B1/de
Publication of EP2317406A1 publication Critical patent/EP2317406A1/de
Application granted granted Critical
Publication of EP2317406B1 publication Critical patent/EP2317406B1/de
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • G04B17/34—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring onto the balance
    • G04B17/345—Details of the spiral roll
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
    • G04B13/022—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft with parts made of hard material, e.g. silicon, diamond, sapphire, quartz and the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49959—Nonresilient fastener
    • Y10T29/49961—At least one part nonmetallic

Definitions

  • the invention relates to a fastening system of a piece of material having no usable plastic field, that is to say which is not huntable and, more particularly, such a piece made of a material to silicon base.
  • CH698677 B1 represents the state of the art closest to the object of the present invention.
  • This document describes a device comprising a part 1 made of material having no usable plastic domain, in particular silicon. As visible on the figure 2 of this document, the silicon part 1 is mounted on an axis 2 which passes through a hole 7 of the part.
  • This document also describes recesses, in particular three large empty parts between the arms 6 and visible on the figure 2 (These parts also include Profile 14).
  • CH6986677 B1 also discloses securing means 11, attached to the axis and at least partially conforming to the shape of the recess (see Figures 1, 2 and 6 that the portion 13 cooperates with the profile 14).
  • the object of the present invention is to overcome all or part of the disadvantages mentioned above by proposing a system for fixing a piece of material having no plastic field usable on an axis that does not use either the driving or gluing.
  • the invention relates to a device as defined in claim 1.
  • the piece of material having no usable plastic field is not solicited in its plastic field (no hunting) but only mechanically moved by the axis assembly - securing means.
  • the invention also relates to a timepiece characterized in that it comprises a device according to one of the preceding variants.
  • the invention relates to a fixing method as defined in claim 10.
  • the invention will be explained from a balance spring-spiral resonator generally annotated 1.
  • the invention may also for example apply to a mobile or an anchor in or outside the field of watchmaking.
  • the sprung balance resonator 1 comprises a pivot axis 3, a rocker 5 and a spiral 7 and a fastening system 9.
  • the pivot axis 3, which may also be called balance shaft in the example of the figure 1 is used to rotate the balance 5 and the spiral 7 between two bearings, for example arranged respectively in a bridge and a plate (not shown).
  • the figure 2 shows an enlarged view of the hairspring 7 which, for the explanation below, is a piece of material having no usable plastic range, such as, for example, crystalline silicon, crystalline silica, crystalline alumina, silicon nitride or even silicon carbide.
  • the rocker 5 can also be made of such a material and, therefore, also be mounted on the axis 3 by means of a second fastening system 9.
  • the spiral 7 comprises a ferrule 2 mounted in one piece.
  • a spiral 7 may for example be obtained from a wafer which, by photolithography of a photosensitive resin and then an attack of parts of the wafer not containing resin, is etched in all the thickness.
  • the fastening system 9 is intended to secure the spiral 7 with the axis 3.
  • the fastening system 9 comprises a fastening device 11 having a recess 4 and securing means 6.
  • the recess 4 in the example of the figure 2 communicates with the pinhole 8 of the shell 2.
  • the recess 4 thus forms a slope 10 between the substantially vertical inner wall of the pinhole 8 and the substantially horizontal upper surface of the shell 2 as best illustrated in FIG. figure 4 .
  • the slope 10 thus forms a blind recess which is radiated, that is to say without a ridge, and which surrounds the securing means 6.
  • Such a slope can be obtained from the teaching of the document CH 1549/09 in the name of the Claimant.
  • the securing means 6 are intended to attach to the axis 3 and to marry at least partially the shape of the recess 4.
  • the securing means 6 comprise an addition of metal material which, according to three embodiments can be obtained by a partial melting of the axis 3 or by melting of a solder or by a hot fitting of said metallic material in amorphous form.
  • the hardening of the addition of material makes it possible to attach the axis 3 preferentially metallic but also to form a tenon cooperating with the recess 4, which then acts as a mortise.
  • the securing means 6 did not need to attach to the shell 2 but only to the axis 3.
  • the rotational movement of the axis 3, which makes print a same movement to the means 6, also mechanically causes the ferrule 2, that is to say the spiral 7, by said tenon-mortise connection. Therefore, advantageously according to the invention, the spiral 7 material having no usable plastic field is not solicited in its field of plastic.
  • the securing device 11 further comprises a flange 13 mounted on the axis 3 to serve as a scope for the spiral 7 at its ferrule 2.
  • this configuration allows the ferrule 2 to be blocked relative to the length of the axis 3 by contact between the collar 13 forming the bearing and the fastening means 6 forming tenon.
  • a first step a the process begins with the manufacture of the part 7 with a hole 8 intended to receive the axis 3 and a recess 4 communicating with the hole 8 as illustrated in FIG. figure 2 .
  • a second step b) which can be performed before, during or after step a
  • the process continues with the manufacture of the axis 3 preferably with the bearing surface 13.
  • a third step c) the process continues with the assembly of the axis 3 in the hole 8 of the spiral 7, preferably up to the stop against the flange 13 of the axis 3.
  • the method then comprises a fourth step d) intended to fill the recess 4 by the securing means 6 such as, for example, a metallic material so that it matches the shape of the recess and a part of the outer diameter of the recess. axis 3.
  • the process ends with a fifth and last step e) intended to harden the metal material to secure the spiral 7 with the axis 3.
  • step d) is carried out by a localized fusion of the axis 3, that is to say that a partial melting of the axis 3 at the level of the zone 12 is performed to that a liquid rendered portion of the axis 3 flows into the recess 4 as illustrated in FIGS. Figures 4 and 5 .
  • a melting of step d) is preferably carried out by high energy radiation by means of, for example, a laser source.
  • step d) is carried out by the melting of a solder, that is to say that a melting of a metallic material between the zone 12 and the recess 4 is carried out for it is made liquid and flows into the recess 4 similarly to the first embodiment.
  • a fusion according to the second embodiment is also preferably carried out by high energy radiation by means of, for example, a laser source.
  • step d) is carried out by hot pressing said metal material in amorphous form, that is to say that the metallic material is heated between its glass transition temperature and that of crystallization and then pressed in the recess 4 so that it adopts the imprint of said recess 4.
  • the cooling of the securing means 6 allows them to be attached to the axis 3 and to form said tenon which will make it possible to drive the spiral 7 via its ferrule 2.
  • the part that is to say the spiral 7 is made of material having no usable plastic field, it is possible to make it integral with an axis 3 without having to hunt or to do a collage.
  • the present invention is not limited to the illustrated example but is susceptible of various variations and modifications that will occur to those skilled in the art.
  • the slope 10 may be replaced by a vertical wall and a horizontal wall, that is to say that the recess 4 has a bottom substantially parallel to the upper surface that the ferrule 2.
  • the recess 4 is blind, that is to say, it does not cross through the part to be made integral.
  • the part in the example above is a spring 7 whose ferrule 2 has the hole 8 and the recess 4
  • the invention is perfectly applicable to a movable type part whose hub has the hole and the recess or to an exhaust anchor piece whose rod has the hole and the recess.
  • these examples relate to the field of watchmaking however, the invention can be applied to other fields.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connection Of Plates (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
  • Toys (AREA)
  • Micromachines (AREA)
  • Insertion Pins And Rivets (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Claims (17)

  1. Vorrichtung, umfassend:
    - eine Welle (3);
    - ein Stück (7) aus einem Werkstoff, der keinen verwendbaren plastischen Bereich besitzt, welches Stück (7) ein Loch (8) umfasst, wobei die Welle (3) durch das Loch (8) hindurchgeht; und
    - eine Verbindungsvorrichtung (11) auf der Welle (3), umfassend:
    - eine Aussparung (4), die mit dem Loch (8) des Stücks (7) in Verbindung steht, wobei diese Aussparung (4) blind ist, um einen Einschnitt im Stück (7) zu bilden; und
    - Verbindungsmittel (6), die an der Welle (3) befestigt sind und sich wenigstens teilweise der Form der Aussparung (4) anpassen, um die Bewegung des Stücks (7) ohne Einpressen und ohne Kleben mit derjenigen der Welle (3) zu verbinden.
  2. Vorrichtung nach vorhergehendem Anspruch, dadurch gekennzeichnet, dass die Aussparung (4) strahlenförmig ist.
  3. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verbindungsmittel (6) einen Anbauteil aus metallischem Werkstoff umfassen.
  4. Vorrichtung nach vorhergehendem Anspruch, dadurch gekennzeichnet, dass der Anbauteil aus metallischem Werkstoff durch ein teilweises Schmelzen der Welle erhalten wird.
  5. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der Anbauteil aus metallischem Werkstoff durch Schmelzen eines Hartlots erhalten wird.
  6. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der Anbauteil aus metallischem Werkstoff durch Warmaufziehen des metallischen Werkstoffs in amorpher Form erhalten wird.
  7. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verbindungsvorrichtung (11) zudem einen Kragen (13) umfasst, der auf der Welle (3) montiert ist, um als Auflagefläche für das genannte Stück zu dienen.
  8. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Werkstoff, der keinen verwendbaren plastischen Bereich besitzt, auf Silizium-Basis ist.
  9. Zeitmessgerät, dadurch gekennzeichnet, dass es eine Vorrichtung nach einem der vorhergehenden Ansprüche umfasst.
  10. Verfahren zum Befestigen eines Stücks (7) aus einem Werkstoff, der keinen verwendbaren plastischen Bereich besitzt, an einer Welle (3), dadurch gekennzeichnet, dass es die folgenden Schritte umfasst:
    a) Herstellen des Stücks (7) mit einem für die Aufnahme der Welle bestimmten Loch (8) und einer mit dem Loch (8) in Verbindung stehenden Aussparung (4), wobei die Aussparung (4) blind ist, um einen Einschnitt im Stück (7) zu bilden;
    b) Herstellen der Welle;
    c) Einfügen der Welle (3) ins Loch (8) des Stücks (7);
    d) Füllen der Aussparung (4) mit einem metallischen Werkstoff (6), derart, dass er sich der Form der Aussparung (4) und einem Teil des Aussendurchmessers der Welle anpasst;
    e) Härten des metallischen Werkstoffs (6) zum Ausbilden von an der Welle (3) befestigten Verbindungsmitteln (6), um das Stück (7) ohne Einpressen und ohne Kleben mit der Welle (3) zu verbinden.
  11. Befestigungsverfahren nach vorhergehendem Anspruch, dadurch gekennzeichnet, dass der Schritt d) durch ein örtlich begrenztes Schmelzen der Welle (3) realisiert wird.
  12. Befestigungsverfahren nach Anspruch 10, dadurch gekennzeichnet, dass der Schritt d) durch Schmelzen eines Hartlots realisiert wird.
  13. Befestigungsverfahren nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass das Schmelzen des Schritts d) mittels einer hochenergetischen Strahlung realisiert wird.
  14. Befestigungsverfahren nach Anspruch 10, dadurch gekennzeichnet, dass der Schritt d) durch Warmaufziehen des metallischen Werkstoffs in amorpher Form realisiert wird.
  15. Befestigungsverfahren nach Anspruch 10, dadurch gekennzeichnet, dass die Aussparung (4) strahlenförmig ist.
  16. Befestigungsverfahren nach einem der Ansprüche 10 bis 15, dadurch gekennzeichnet, dass der Werkstoff, der keinen verwendbaren plastischen Bereich besitzt, auf Silizium-Basis ist.
  17. Befestigungsverfahren nach einem der Ansprüche 10 bis 16, dadurch gekennzeichnet, dass der Schritt c) fortdauert, bis das Stück gegen einen während dem Schritt b) ausgebildeten Kragen (13) der Welle (3) stösst.
EP10186608.5A 2009-10-29 2010-10-05 Befestigung eines harten Teils an eine Achse ohne Eintreiben oder Kleben Active EP2317406B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10186608.5A EP2317406B1 (de) 2009-10-29 2010-10-05 Befestigung eines harten Teils an eine Achse ohne Eintreiben oder Kleben

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09174421A EP2317407A1 (de) 2009-10-29 2009-10-29 System zum Befestigen eines Teils ohne Eintreiben oder Kleben
EP10186608.5A EP2317406B1 (de) 2009-10-29 2010-10-05 Befestigung eines harten Teils an eine Achse ohne Eintreiben oder Kleben

Publications (2)

Publication Number Publication Date
EP2317406A1 EP2317406A1 (de) 2011-05-04
EP2317406B1 true EP2317406B1 (de) 2013-05-08

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EP09174421A Withdrawn EP2317407A1 (de) 2009-10-29 2009-10-29 System zum Befestigen eines Teils ohne Eintreiben oder Kleben
EP10186608.5A Active EP2317406B1 (de) 2009-10-29 2010-10-05 Befestigung eines harten Teils an eine Achse ohne Eintreiben oder Kleben

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EP09174421A Withdrawn EP2317407A1 (de) 2009-10-29 2009-10-29 System zum Befestigen eines Teils ohne Eintreiben oder Kleben

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US (1) US8636405B2 (de)
EP (2) EP2317407A1 (de)
JP (1) JP5261459B2 (de)
CN (1) CN102053558B (de)
RU (1) RU2550305C2 (de)
TW (1) TWI493299B (de)

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US9529333B2 (en) * 2010-06-22 2016-12-27 The Swatch Group Research And Development Ltd. Method of manufacturing a device comprising at least two parts
CN103890666B (zh) * 2011-10-24 2017-10-13 劳力士有限公司 用于钟表机芯的振荡器
EP2607974A1 (de) 2011-12-22 2013-06-26 The Swatch Group Research and Development Ltd. Verfahren zur Herstellung eines Resonators
JP5932380B2 (ja) * 2012-02-15 2016-06-08 セイコーインスツル株式会社 ひげ玉、てんぷおよび時計
CH706220B1 (fr) * 2012-03-06 2022-05-31 Sigatec Sa Procédé d'assemblage d'un composant fragile sur une pièce métallique et pièce de micromécanique assemblée selon ce procédé.
RU2636563C2 (ru) * 2015-02-13 2017-11-23 Соколов Джюэлри Холдинг АГ Способ изготовления корпуса часов (варианты)
EP3106929A1 (de) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Werkstück mit verbesserter schweissoberfläche
EP3106931A1 (de) 2015-06-16 2016-12-21 Nivarox-FAR S.A. Werkstück mit entkoppelter schweissoberfläche
EP3106930A1 (de) 2015-06-16 2016-12-21 Nivarox-FAR S.A. Herstellungsverfahren, das einen modifizierten maschinenverarbeitungsschritt umfasst
EP3106928A1 (de) 2015-06-16 2016-12-21 Nivarox-FAR S.A. Herstellungsverfahren, das einen modifizierten automatendreh-schritt umfasst
EP3106935A1 (de) * 2015-06-16 2016-12-21 Nivarox-FAR S.A. Herstellungsverfahren eines werstücks, das einen modifizierten polierschritt umfasst
CH711218B1 (fr) * 2015-06-16 2019-06-14 Nivarox Sa Procédé de fabrication d'un composant horloger.
EP3118692B1 (de) * 2015-07-16 2018-12-26 Nivarox-FAR S.A. Befestigung der spiralfeder eines uhrwerks durch verklebung
DE102016206471A1 (de) * 2016-04-18 2017-10-19 Contitech Techno-Chemie Gmbh Verbindungsanordnung
JP7143675B2 (ja) * 2018-08-14 2022-09-29 セイコーエプソン株式会社 時計用部品、ムーブメントおよび時計

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Also Published As

Publication number Publication date
JP5261459B2 (ja) 2013-08-14
EP2317407A1 (de) 2011-05-04
TWI493299B (zh) 2015-07-21
CN102053558B (zh) 2017-05-31
TW201140259A (en) 2011-11-16
CN102053558A (zh) 2011-05-11
RU2010144241A (ru) 2012-05-10
US20110103200A1 (en) 2011-05-05
JP2011094793A (ja) 2011-05-12
US8636405B2 (en) 2014-01-28
EP2317406A1 (de) 2011-05-04
RU2550305C2 (ru) 2015-05-10

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