EP2394202A2 - Mechanisches schwingsystem für uhren sowie funktionselement für uhren - Google Patents
Mechanisches schwingsystem für uhren sowie funktionselement für uhrenInfo
- Publication number
- EP2394202A2 EP2394202A2 EP10721923A EP10721923A EP2394202A2 EP 2394202 A2 EP2394202 A2 EP 2394202A2 EP 10721923 A EP10721923 A EP 10721923A EP 10721923 A EP10721923 A EP 10721923A EP 2394202 A2 EP2394202 A2 EP 2394202A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- silicon
- balance
- spring
- watches
- oscillating
- 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.)
- Granted
Links
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
- G04B17/04—Oscillators acting by spring tension
- G04B17/06—Oscillators with hairsprings, e.g. balance
- G04B17/066—Manufacture of the spiral spring
Definitions
- the invention relates to a mechanical vibration system for watches according to the preamble of claim 1 and to functional elements according to the preamble 6, 7, 8, 9 or 11, in particular in the form of coil springs or vibrating bodies or spring holder blocks.
- the object of the invention is to show a vibration system which avoids these disadvantages.
- a mechanical vibration system according to claim 1 is formed.
- Functional elements for watches, preferably for mechanical watches are the subject of claims 6, 7, 8, 9, or 11.
- Functional elements in the context of the invention are in particular those of a mechanical oscillating system for watches and in particular for mechanical watches or wristwatches, namely in particular the spiral and balance spring, the oscillating body or the balance wheel, the shaft of the oscillating body, elements for fixing the balance spring on the oscillating body or Elements for fastening the Balance spring on the shaft of the oscillating body and on a circuit board of the movement, the so-called double disc on the shaft of the oscillating body for deflecting the armature, the anchor and the escape wheel.
- Functional elements in the context of the invention are also gears of a movement generally.
- the invention is based inter alia on the finding that a high accuracy, in particular a temperature-independent accuracy in a particularly simple manner in a mechanical vibration system with a balance spring of a non-metallic crystalline or sintered material with a particle size in the range between 10 and 50 000 nm and with a thermal coefficient of linear expansion less than 8 10 " 7K and / or silicon by using molybdenum (Mo) for the vibrating body and the balance wheel is reached, and in particular even at greatly reduced thickness of a silicon oxide coating of the balance spring.
- Mo molybdenum
- Watches especially wristwatches, with a balance spring and a vibrating body, the balance spring of silicon and the oscillating body for temperature compensation
- this vibration system is executed in a further development of the invention, for example, that the balance spring is provided on their surfaces with a layer of silicon oxide, and / or that the layer of silicon oxide has a layer thickness of maximum 4 ⁇ m, preferably of at most 3 ⁇ n ⁇ , and / or that the vibrating body is a wheel or disk-like vibrating body, and / or that balance spring of polycrystalline silicon or a silicon ceramic, for example
- Silicon nitride is produced, and / or that at a radially outer region of the vibrating body or a balance wheel forming this balance wheel adjusting elements for adjusting the dynamic moment of inertia of the vibrating body with respect to its
- Oscillating axis are provided, and / or that the centering elements each of at least one about an axis parallel or substantially parallel to the swing axis rotatable or pivotable on
- the oscillating body or balance wheel for example, designed so that the adjusting elements are held by clipping or latching on the oscillating body or on the inside of the balance wheel or a ring of the balance wheel, and / or that the oscillating body made of molybdenum or a molybdenum in made of a high proportion alloy, wherein the aforementioned features can be used individually or in any combination.
- the spiral spring body is provided in the region of its outer end with a multi-waved section, wherein the helical spring is embodied in a further development of the invention such that it consists of silicon, and / or that they are made of polycrystalline silicon or a silicon ceramic, eg is made of silicon nitride, wherein the aforementioned features of the coil spring each individually or in any
- the oscillating body or the balance wheel for a mechanical oscillating system for watches, in particular wristwatches are attached to a radially outer region of the oscillating body
- the functional element is designed in a further development of the invention, for example, that it is made of a non-metallic material containing a crystalline or sintered material with a grain size in Range between 10 and 50 000 nm and / or with a thermal expansion coefficient of less than 8 10 " 7K and / or a sintered material based on silicon or a silicon sintered material and / or that in elongated grain formation with egg grain width in the range between 10 and 100 nm and a grain length in the range between 2 and 50 / vm, preferably between 5 and 50 microns, and / or that the non-metallic material is a material based on silicon or a
- Silicon sintered material is, and / or that when formed as a spiral spring, the winding cross section is 0.001 mm 2 to 0.01 mm 2 or 0.001 mm 2 to 0.03 mm 2 or 0.001 mm 2 to 0.3 mm 2 , and / or it forms at least one bearing and / or sliding and / or mounting surface on which the surface of the functional element consists of an inner layer
- Intermediate layer of titanium nitride and / or titanium carbide and / or tungsten carbide exist, and / or that it as a spiral or balance spring, as a vibrating body, as a shaft, in particular
- Balance shaft as an anchor, as an escape wheel, as a double disc on the balance shaft or as a gear, wherein the aforementioned features of the functional element can be used individually or in any combination.
- FIG. 1 in a simplified functional representation of the essential elements of a mechanical vibration system of a wristwatch;
- FIG. 2 is a plan view of the spiral spring of the oscillating system of FIG. 1;
- FIG. 3 is a partial perspective view of a mechanical oscillating system for watches, in particular wristwatches according to a further embodiment
- Fig. 4 in an individual representation and in plan view of the oscillating and balance wheel of the
- FIG. 5 in a perspective view and in plan view of the centering of the
- FIG. 7 shows a simplified representation of a section through a multilayer coating on a functional element made of silicon.
- the vibration system generally designated 1 in the figure consists of the spiral spring 2 and of the oscillating or balance wheel 3.
- the balance spring 2 is made of silicon, preferably of polycrystalline silicon.
- the preparation of the balance spring 2 is carried out, for example, from a non-metallic crystalline or sintered material having a particle size in the range between 10 and 50 000 nm, preferably between 10 - 10 000nm, wherein Columnen-growth, the grain size, for example, a length of about 5 - 50 microns and has a width of 10 - 10OOnm.
- the non-metallic crystalline or sintered material has a thermal coefficient of linear expansion smaller than 8 ⁇ 10 6 ZK, or the balance spring 2 is using a wafer made of this material or silicon, for example by cutting and / or etching (masking and etching technique) is produced, for example, by epitaxial deposition of silicon
- the cross-sectional area of the spring coil is, for example, 0.001-0.01 mm 2 .
- the balance spring 2 is provided on the outer surface of its windings with an example thermally generated layer of silicon oxide. This layer has a maximum thickness of 4 ⁇ m, preferably of not more than 3 ⁇ m or smaller.
- the combination of silicon (for the balance spring 2) and molybdenum (for the balance wheel 3) results in an optimally temperature-compensated mechanical vibration system, ie a mechanical vibration system whose gear or frequency accuracy is, in particular, independent of changes in temperature.
- Figure 2 shows the coil spring 2 again in a single representation.
- a special feature of this coil spring is that it is designed in the area of its outer spring end at 2.1 multiple wave-shaped. This area results in an improved, very uniform vibration behavior of the spiral spring 2.
- the spiral spring 2 with the section 2.1 is also advantageously used for oscillating systems of watches, in particular wristwatches, in which the oscillating mass is designed differently than described above.
- FIG. 3 shows a perspective view of a vibration system 1 a with the coil spring 2a and the oscillating or balance wheel 3a.
- the balance spring 2a and the balance wheel 3a are made of the same material and / or in the same manner as described above for the coil spring 2 and the balance wheel 3.
- the balance wheel 3a is designed speichenradartig, consisting of an outer ring 4, four of the ring 4 radially inwardly extending spokes 5 and a central scar section 6, which has the opening 6.1 for attachment of the balance shaft and integral with the spokes 5 and the outer ring 4 is made.
- the outer ring 4 is formed on its inside with a circumferential groove 7 and between the spokes 5 each having a fork-like attachment portion 8.
- an adjusting element 9 is provided, which is made in one piece of a non-magnetic metallic material, such as molybdenum or a corrosion-resistant steel.
- the attachment portion 8 are each provided below the groove 7.
- the adjusting elements 9 consist of a circular-disk-shaped body 10 with a pin 11 which is arranged coaxially with the axis of this body and projecting beyond an end face of the centering element 9 with a circular-cylindrical outer surface. Furthermore, in the body 10, a continuous, ie open at both end faces of the disc-shaped body 10 and arcuately curved recess 12 is provided, which extends over an angular range of slightly less than 180 ° about the axis of the centering 9, in such a way that the centering 9 or whose body 10 has a continuous edge at its periphery, but the center of mass of the centering element 9 is offset radially to the axis of the centering element 9.
- the body 10 is further provided with a slot-shaped, radially or approximately radially to the axis of the centering extending recess 13, which forms the attack or actuating surface for a setting workpiece, for example, a screwdriver.
- each centering element is rotatably provided on a mounting portion 8 about an axis parallel to the axis of the balance wheel 3a, with a certain stiffness in that the respective pin 1 1 is held by snapping or latching on the fork-like mounting portion 8 and each Adjusting element 9 on the circumference with his disk-like body 10 extends into the groove 7, where it is axially secured and bears radially against the bottom of the groove.
- each adjusting element 9 is pushed with its pin 1 1 radially on the associated fork-like mounting portion 8.
- the center of mass of each adjusting element u.a. displaced radially to the axis of the balance wheel 3a and thereby set the dynamic moment of inertia in the desired manner.
- the balance spring 2a is fastened with the inner end in a suitable manner to the balance shaft, not shown.
- the outer end of the coil spring 2a is held on a spring holder block or block 14 of a spring holder 15 which is adjustable by pivoting about the axis of the balance wheel 3a.
- the spring holder block 14 made from a metallic material is a section 14.1, with which it can be fastened in an opening 16 of the spring holder 15 by clipping or latching, as well as with a section 14.2 with two forked or clamped arms 17 and 18 executed, which form between them a clamping gap 19, in which the coil spring 2a can be fixed by clamping.
- the clamping gap 19 is open to the underside facing away from the portion 14.1 as well as to two opposite end faces of the spring holder block 14 and on the side facing the portion 14.1 bounded by a surface 20.1.
- the spring holder block 14 In the assembled state, the spring holder block 14 is oriented with its longitudinal extent parallel to the axis of the balance wheel 3a.
- the coil spring 2a is already held on the spring holder 15 mounted on the spring holder block 14 such that even a change and adjustment of the effective spring length, which is required for the frequency of the mechanical vibration system by moving the coil spring 2a relative to the spring holder block 14 while maintaining the clamp connection is possible.
- the connection between the coil spring 2a and the spring holder block 14 is fixed, again using a suitable adhesive or fixing varnish.
- the adjusting elements 9, but in particular the respective spring holder block 14 are preferably manufactured as so-called LIGA parts with the LIGA method known to those skilled in the art, which allows the production of metallic moldings with very small dimensions by the process steps lithography, electroplating and impression.
- FIG. 7 schematically shows the construction of a bearing and / or conduction and / or mounting surface of a functional element 21, which consists of silicon, preferably of polycrystalline silicon, for example of epitaxially deposited polycrystalline silicon.
- the bearing and / or sliding and / or mounting surface forming surface 22 of the functional element 21 is formed by a multilayer coating, at least consisting of a directly adjoining the silicon material of the functional element 21 coating 23 of silicon oxide, for example by thermal Oxidation or produced in any other suitable manner.
- the coating 23 is followed by a metallic intermediate layer 24, which preferably consists of titanium nitride and / or titanium carbide and / or tungsten carbide and is applied, for example, in a PVD coating process.
- the intermediate layer 24 may in turn be designed in a multi-layered manner, specifically in several individual layers, for example, of the abovementioned materials.
- the intermediate layer 24 is followed by a coating 25 forming the actual outer surface, which is designed as a DLC coating and produced for example by CVD deposition.
- the invention is based on the finding that improved adhesion of the layer 25 to the layer 23 is achieved by the metallic intermediate layer 24, so that the layer 25 is effectively prevented from flaking or loosening by the functional element 21 during assembly and during use of a clock , This is true not only for storage and sliding surfaces, but especially for mounting surfaces and especially for those with or on which a clamping attachment is done, such as a clamping attachment of the spiral or balance spring or the oscillating body to a shaft, etc.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Springs (AREA)
- Micromachines (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16165465.2A EP3101484A1 (de) | 2009-02-06 | 2010-02-04 | Mechanisches schwingsystem für uhren und verfahren zum herstellen eines mechanischen schwingsystems für uhren |
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009007973 | 2009-02-06 | ||
DE102009013741 | 2009-03-20 | ||
DE102009025645 | 2009-06-17 | ||
DE102009030539 | 2009-06-24 | ||
DE102009031841A DE102009031841A1 (de) | 2009-02-06 | 2009-07-03 | Mechanisches Schwingsystem für Uhren, Spiralfeder, Schwingkörper sowie Federhalterklotz für ein Schwingsystem |
DE102009050045 | 2009-09-24 | ||
DE102009048580 | 2009-10-07 | ||
DE102009060024 | 2009-12-21 | ||
DE102010004025 | 2010-01-04 | ||
DE102010005257 | 2010-01-20 | ||
PCT/DE2010/000126 WO2010088891A2 (de) | 2009-02-06 | 2010-02-04 | Mechanisches schwingsystem für uhren sowie funktionselement für uhren |
DE102010006790A DE102010006790A1 (de) | 2009-12-21 | 2010-02-04 | Mechanisches Schwingsystem für Uhren sowie Funktionselement für Uhren |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16165465.2A Division-Into EP3101484A1 (de) | 2009-02-06 | 2010-02-04 | Mechanisches schwingsystem für uhren und verfahren zum herstellen eines mechanischen schwingsystems für uhren |
EP16165465.2A Division EP3101484A1 (de) | 2009-02-06 | 2010-02-04 | Mechanisches schwingsystem für uhren und verfahren zum herstellen eines mechanischen schwingsystems für uhren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2394202A2 true EP2394202A2 (de) | 2011-12-14 |
EP2394202B1 EP2394202B1 (de) | 2016-09-07 |
Family
ID=44951556
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16165465.2A Withdrawn EP3101484A1 (de) | 2009-02-06 | 2010-02-04 | Mechanisches schwingsystem für uhren und verfahren zum herstellen eines mechanischen schwingsystems für uhren |
EP10721923.0A Revoked EP2394202B1 (de) | 2009-02-06 | 2010-02-04 | Mechanisches schwingsystem für uhren sowie funktionselement für uhren |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16165465.2A Withdrawn EP3101484A1 (de) | 2009-02-06 | 2010-02-04 | Mechanisches schwingsystem für uhren und verfahren zum herstellen eines mechanischen schwingsystems für uhren |
Country Status (4)
Country | Link |
---|---|
US (1) | US20110292770A1 (de) |
EP (2) | EP3101484A1 (de) |
DE (1) | DE202010018420U1 (de) |
WO (1) | WO2010088891A2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3101484A1 (de) | 2009-02-06 | 2016-12-07 | DAMASKO GmbH | Mechanisches schwingsystem für uhren und verfahren zum herstellen eines mechanischen schwingsystems für uhren |
EP2437126B1 (de) * | 2010-10-04 | 2019-03-27 | Rolex Sa | Regulierorgan mit Spiralunruh |
EP2474871B1 (de) * | 2011-01-06 | 2017-05-10 | ETA SA Manufacture Horlogère Suisse | Rückerstifte für Unruh-Spiralfeder |
EP2511229B1 (de) * | 2011-04-12 | 2017-03-08 | GFD Gesellschaft für Diamantprodukte mbH | Flankenverstärktes mikromechanisches Bauteil |
EP2520983A1 (de) * | 2011-05-03 | 2012-11-07 | Nivarox-FAR S.A. | Federhaus umfassend elastischen Mitteln zur Energieakkumulation |
CH704924B1 (de) | 2011-05-13 | 2015-05-29 | Bucherer Ag | Unruh für eine Uhr sowie Uhr. |
EP2795409B1 (de) * | 2011-12-22 | 2018-08-29 | The Swatch Group Research and Development Ltd. | Verfahren zur verbesserung der schwenkbarkeit eines mobilen geräts |
WO2014006229A1 (fr) * | 2012-07-06 | 2014-01-09 | Rolex Sa | Procédé de traitement d'une surface d'un composant horloger et composant horloger obtenu par un tel procédé |
JP6209220B2 (ja) * | 2012-11-16 | 2017-10-04 | ニヴァロックス−ファー ソシエテ アノニム | 気候変動に対する感受性が低減された共振器 |
EP2757423B1 (de) | 2013-01-17 | 2018-07-11 | Omega SA | Bauteil für Uhrwerk |
CH707503A2 (fr) * | 2013-01-17 | 2014-07-31 | Omega Sa | Axe de pivotement pour mouvement horloger. |
CH707811A2 (fr) | 2013-03-19 | 2014-09-30 | Nivarox Sa | Composant monobloc indémontable d'horlogerie. |
CH707808B1 (fr) * | 2013-03-19 | 2017-05-15 | Nivarox Far Sa | Cassette de mécanisme d'horlogerie. |
EP2781968A1 (de) * | 2013-03-19 | 2014-09-24 | Nivarox-FAR S.A. | Resonator, der weniger empfindlich gegenüber klimatischen Schwankungen ist |
CH708429A1 (fr) * | 2013-08-19 | 2015-02-27 | Manuf Et Fabrique De Montres Et Chronomètres Ulysse Nardin Le Locle S A | Spiral pour organe réglant de montre mécanique, organe régulateur muni d'un tel spiral, et procédé de réalisation d'un tel spiral. |
CN106104393A (zh) * | 2014-01-29 | 2016-11-09 | 卡地亚国际股份公司 | 由在其组成中包含硅的陶瓷制成的热补偿的游丝和用于调节游丝的方法 |
EP3002635B8 (de) * | 2014-09-29 | 2019-05-22 | Richemont International SA | Herstellungsverfahren eines federelements für uhrwerk oder anderes präzisionsinstrument |
EP3667433B1 (de) * | 2018-12-12 | 2023-02-01 | Nivarox-FAR S.A. | Spiralfeder und ihr herstellungsverfahren |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2682744A (en) * | 1950-12-09 | 1954-07-06 | Chilowsky Constantin | Means for and method of accurately regulating chronometric devices |
FR2731715B1 (fr) | 1995-03-17 | 1997-05-16 | Suisse Electronique Microtech | Piece de micro-mecanique et procede de realisation |
US6621137B1 (en) * | 2000-10-12 | 2003-09-16 | Intel Corporation | MEMS device integrated chip package, and method of making same |
DE10127733B4 (de) * | 2001-06-07 | 2005-12-08 | Silicium Energiesysteme E.K. Dr. Nikolaus Holm | Schrauben- oder Spiralfederelemente aus kristallinem, insbesondere einkristallinem Silicium |
FR2842313B1 (fr) * | 2002-07-12 | 2004-10-22 | Gideon Levingston | Oscilliateur mecanique (systeme balancier et ressort spiral) en materiaux permettant d'atteindre un niveau superieur de precision, applique a un mouvement d'horlogerie ou autre instrument de precision |
ATE307990T1 (de) * | 2002-11-25 | 2005-11-15 | Suisse Electronique Microtech | Spiraluhrwerkfeder und verfahren zu deren herstellung |
EP1445670A1 (de) | 2003-02-06 | 2004-08-11 | ETA SA Manufacture Horlogère Suisse | Spiralfeder der Resonatorunruh und Fabrikationsmethode |
JP2005140674A (ja) * | 2003-11-07 | 2005-06-02 | Seiko Epson Corp | 時計用ばね、ぜんまい、ひげぜんまい、及び時計 |
EP1886194A2 (de) | 2005-05-14 | 2008-02-13 | Gideon Levingston | Unruhe, regulierte unruhebaugruppe und herstellungsverfahren dafür |
EP1837722B1 (de) * | 2006-03-24 | 2016-02-24 | ETA SA Manufacture Horlogère Suisse | Mikromechanisches Bauteil aus Isoliermaterial und Herstellungsverfahren dafür |
ATE418751T1 (de) * | 2006-10-31 | 2009-01-15 | Swatch Group Man Serv Ag | Schwingmasse zum wiederaufladen der energiequelle eines tragbaren instruments |
DE102008029429A1 (de) | 2007-10-18 | 2009-04-23 | Konrad Damasko | Verfahren zum Herstellen von mechanischen Funktionselementen für Uhrwerke sowie nach diesem Verfahren hergestelltes Funktionselement |
EP3101484A1 (de) | 2009-02-06 | 2016-12-07 | DAMASKO GmbH | Mechanisches schwingsystem für uhren und verfahren zum herstellen eines mechanischen schwingsystems für uhren |
-
2010
- 2010-02-04 EP EP16165465.2A patent/EP3101484A1/de not_active Withdrawn
- 2010-02-04 WO PCT/DE2010/000126 patent/WO2010088891A2/de active Application Filing
- 2010-02-04 EP EP10721923.0A patent/EP2394202B1/de not_active Revoked
- 2010-02-04 US US13/148,160 patent/US20110292770A1/en not_active Abandoned
- 2010-02-04 DE DE202010018420.7U patent/DE202010018420U1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
RECH B. ET L: "Dünnschichtechnologie miet Silizium: Von amorph bis einkristallin", FVS PV-UNI-NETZ, 2003, pages 1 - 32, XP003033041 |
Also Published As
Publication number | Publication date |
---|---|
DE202010018420U1 (de) | 2016-06-22 |
EP2394202B1 (de) | 2016-09-07 |
EP3101484A1 (de) | 2016-12-07 |
US20110292770A1 (en) | 2011-12-01 |
WO2010088891A3 (de) | 2010-11-25 |
WO2010088891A2 (de) | 2010-08-12 |
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