EP3485334A1 - Procede de reglage de la marche d'une piece d'horlogerie - Google Patents
Procede de reglage de la marche d'une piece d'horlogerieInfo
- Publication number
- EP3485334A1 EP3485334A1 EP17729143.2A EP17729143A EP3485334A1 EP 3485334 A1 EP3485334 A1 EP 3485334A1 EP 17729143 A EP17729143 A EP 17729143A EP 3485334 A1 EP3485334 A1 EP 3485334A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- balance
- correction value
- timepiece
- resonator
- movement
- 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
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
- G04D7/1257—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present
- G04D7/1264—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for complete clockworks
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
- G04D7/1257—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present
- G04D7/1271—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for the control mechanism only (from outside the clockwork)
- G04D7/1285—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for the control mechanism only (from outside the clockwork) whereby the adjustment device works on the mainspring
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/08—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels
- G04D7/082—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels for balancing
- G04D7/085—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels for balancing by removing material from the balance wheel itself
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/08—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels
- G04D7/082—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels for balancing
- G04D7/088—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels for balancing by loading the balance wheel itself with material
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
- G04D7/1257—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present
- G04D7/1271—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for the control mechanism only (from outside the clockwork)
- G04D7/1292—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard wherein further adjustment devices are present for the control mechanism only (from outside the clockwork) whereby the adjustment device works on the balance wheel
Definitions
- the invention relates to a method for adjusting the running of a timepiece and, more particularly, to a setting of a clockwork movement equipped with a balance-spring type resonator in order to guarantee a better walk to the timepiece.
- the object of the present invention is to overcome all or part of the disadvantages mentioned above by proposing a new method of adjusting the running of a timepiece.
- the invention relates to a method of adjusting a timepiece comprising the following steps:
- the measurement of the step is performed in optical or acoustic form
- the correction value is determined by comparing the measured step and the desired frequency for the resonator
- the correction value corresponds to the symmetrical distribution of at least two masses of the material on the balance so as to modify the inertia of the balance without modifying its center of mass;
- the correction value is determined by comparing, on the one hand, the measured step and, on the other hand, the desired unbalance and frequency for the resonator;
- the correction value corresponds to the asymmetrical distribution of at least one mass of the material on the balance in order to modify the inertia of the balance and its center of mass;
- the material comprises a glue, a paint or a suspension of metal
- FIG. 1 is a block diagram of the adjustment method according to the invention.
- FIG. 1 is a top view of a balance after adjustment
- FIG. 3 is a view of Figure 2 according to section A-A;
- FIG. 4 is a sectional view of an alternative of FIG. 3. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
- the invention relates to a method for adjusting the running of a timepiece.
- the invention relates more particularly to the setting of a clockwork movement equipped with a resonator of the balance-spring type.
- Such a balance spring-type resonator generally comprises a balance forming an inertia and a spring forming a resilient, which are mounted on the same axis.
- the moment of inertia / pendulum responds, in known manner, to the formula:
- the elastic torque C of the spiral with a constant section responds, in a known manner, to the formula: in which E is the Young's modulus of the material used, h its height, e its thickness and L its developed length.
- E is the Young's modulus of the material used, h its height, e its thickness and L its developed length.
- the frequency / balance-balance resonator corresponds to the formula:
- the method 1 according to the invention comprises a first step 3 intended to mount the movement to be adjusted in its future timepiece box.
- the process begins with the casing of the movement provided with a balance-spring resonator.
- a second step 5 is intended to measure the running of the timepiece, that is to say the nested movement.
- the measurement of the step is performed without contact with the balance-spring resonator.
- the movement being already nested access to the resonator is particularly narrow.
- the measurement of the walking of the timepiece can thus be performed, for example, in optical or acoustic form.
- This second step 5 is important for two reasons. Thus, on the one hand, it makes it possible to compare the measured step with a desired step. On the other hand, it also allows to know the beat of the balance in order to synchronize it with the projection of material to precisely deposit the material on the balance.
- the method 1 continues with a third step 7 for determining the correction value to be applied to the inertia of the balance to obtain a desired step.
- the correction value is determined by comparing the measured step and the desired frequency for the resonator in particular from equations (1) to (3) above.
- the adjustment according to the invention allows only the increase of the moment of inertia / balance. It is therefore understood that the nested movement is preferably provided so that it has a march advance which will be corrected during the last step 9.
- the correction value therefore corresponds to a symmetrical distribution of at least two masses of the material on the balance in order to modify the inertia of the balance without modifying its center of mass. It is understood that the correction value will be distributed, in a balanced manner, according to the number of desired deposits. By way of non-limiting example, if the deposit is made on the balance rod, the correction value will be divided by the number of desired deposits and each deposit will be distributed on the serge at an angle ⁇ equal to 360 ° divided by the number of desired deposits.
- the correction value is determined by comparing, on the one hand, the measured step and, on the other hand, the desired unbalance and frequency for the resonator, in particular from equations (1) to (3) above. It is thus clear that the second embodiment takes into account more parameters than the first embodiment. It is also immediate that the second Step 5 can then take into account, in addition, the amplitude of the balance in at least the 4 usual vertical control positions in order to balance the balance. Indeed, the unbalance, via gravity, causes a torque that is added to the return torque of the hairspring and therefore causes a walking error.
- the adjustment according to the invention allows only the increase of the moment of inertia / balance. It is therefore understood that the nested movement is preferably provided so that it has a march advance which will be corrected during the last step 9.
- the correction value corresponds to the asymmetrical distribution of at least one mass of the material on the balance to modify the inertia of the balance and its center of mass. It is understood that the correction value will be distributed so as to balance the balance or form an imbalance on the balance according to the number of desired deposits. By way of non-limiting example, if the deposit is made on the balance rod, the correction value will be divided by the number of desired deposits. Then weighting is performed according to the desired unbalance correction. It is therefore clear that the weighting may consist of asymmetrically depositing the material, that is to say a distribution of the larger deposit number in a given sector of the balance and / or at least one deposit with a larger mass in a specific sector of the pendulum.
- the method 1 ends with the fourth step 9 intended to modify, by adding a material on the balance, the inertia of the balance according to said correction value.
- Such a step 9 is preferably carried out by the addition of material by means of a projection phase of the material on the beam.
- This step 9 may be, for example, performed by placing the movement nested without the bottom box or without the entire bottom box.
- This projection phase can be advantageously carried out using an Aerosol Jet printer from the company Optomec which allows a very precise projection with a very small volume of material.
- the material deposited on the balance may include an adhesive, a paint or a metal suspension.
- the material projection phase is followed by a solidification phase of the projected material.
- This second phase may according to the material used consist of evaporating the solvent, thermo-harden the material or crosslink my material.
- a polymer is deposited on the balance during the first phase and is then crosslinked during the second phase by means of ultraviolet radiation, which makes it possible to avoid as much as possible that pollution is accidentally introduced into the second phase. movement.
- Step 9 can be performed statically (pendulum motionless) or dynamic (movement in operation).
- the second step 5 is important in order to know the beat of the balance and, optionally, according to the control positions, in order to be able to synchronize the projection of material for drop the material precisely on the balance.
- FIGS. 2 to 3 show an example of a rocker 1 1 modified after an adjustment according to the method 1.
- step 9 according to the first embodiment consisted in dividing the correction value according to four masses of material 15i, 152, 153, 154 which are identical and distributed every 90 ° on the serge 13 of the pendulum 1 1 in order to finely adjust the timepiece.
- the rocker 21 could include recesses intended to receive the material projected during step 9 and thus block any splashing.
- step 9 consisted of dividing the correction value according to at least two identical material masses 252, 254 received in the recesses 242, 24 4 of the strut 23 of the balance 21 in order to finely adjust the timepiece.
- 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 movement fitted if it comprises an automatic winding mechanism could be inclined so that the oscillating mass does not hide the balance.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Micromachines (AREA)
- Electric Clocks (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16179847.5A EP3273312A1 (fr) | 2016-07-18 | 2016-07-18 | Procédé de réglage de la marche d'une pièce d'horlogerie |
| PCT/EP2017/064426 WO2018015071A1 (fr) | 2016-07-18 | 2017-06-13 | Procede de reglage de la marche d'une piece d'horlogerie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3485334A1 true EP3485334A1 (fr) | 2019-05-22 |
| EP3485334B1 EP3485334B1 (fr) | 2020-11-18 |
Family
ID=56418438
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16179847.5A Withdrawn EP3273312A1 (fr) | 2016-07-18 | 2016-07-18 | Procédé de réglage de la marche d'une pièce d'horlogerie |
| EP17729143.2A Active EP3485334B1 (fr) | 2016-07-18 | 2017-06-13 | Procédé de règlage de la marche d'une pièce d'horlogerie |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16179847.5A Withdrawn EP3273312A1 (fr) | 2016-07-18 | 2016-07-18 | Procédé de réglage de la marche d'une pièce d'horlogerie |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11054791B2 (fr) |
| EP (2) | EP3273312A1 (fr) |
| JP (1) | JP6672523B2 (fr) |
| CN (1) | CN109643083B (fr) |
| WO (1) | WO2018015071A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3647883B1 (fr) * | 2018-11-05 | 2025-01-01 | CSEM Centre Suisse D'electronique Et De Microtechnique SA | Balancier d'une piece d'horlogerie |
| WO2022129229A1 (fr) * | 2020-12-17 | 2022-06-23 | CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement | Procédé d'impression d'un élément fonctionnel sur un composant horloger |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2454983A (en) * | 1944-10-27 | 1948-11-30 | Tessie Weinberger | Stroboscopic apparatus for calibrating time indicating devices |
| CH690874A5 (de) * | 1996-05-10 | 2001-02-15 | Witschi Electronic Ag | Verfahren zum dynamischen Auswuchten und Abgleichen eines mechanischen Schwingsystem. |
| CH691992A5 (fr) * | 1997-07-28 | 2001-12-14 | Femto | Procédé pour mesurer un angle que parcourt le balancier d'une montre mécanique et son amplitude et dispositif pour sa mise en oeuvre. |
| EP1172714A4 (fr) * | 1999-12-24 | 2005-04-20 | Seiko Instr Inc | Procede de reglage de rythme pour montres mecaniques |
| CH704693B1 (fr) * | 2010-07-16 | 2015-08-14 | Eta Sa Manufacture Horlogère Suisse | Procédé d'ajustement de fréquence d'oscillation, et/ou d'ajustement d'inertie, et/ou d'équilibrage d'un composant mobile de mouvement d'horlogerie, ou d'un ensemble balancier-spiral d'horlogerie. |
| EP2455825B1 (fr) * | 2010-11-18 | 2016-08-17 | Nivarox-FAR S.A. | Procédé d'appairage et d'ajustement d'un sous-ensemble d'horlogerie |
| EP2728423A1 (fr) * | 2012-11-06 | 2014-05-07 | Nivarox-FAR S.A. | Ensemble balancier-spiral d'horlogerie |
| JP2016151443A (ja) * | 2015-02-16 | 2016-08-22 | セイコーインスツル株式会社 | 撮像装置、撮像方法、及びプログラム |
| CH711336A2 (fr) * | 2015-07-16 | 2017-01-31 | Swatch Group Res & Dev Ltd | Microsystème de réglage de marche d'un oscillateur d'horlogerie. |
-
2016
- 2016-07-18 EP EP16179847.5A patent/EP3273312A1/fr not_active Withdrawn
-
2017
- 2017-06-13 WO PCT/EP2017/064426 patent/WO2018015071A1/fr not_active Ceased
- 2017-06-13 EP EP17729143.2A patent/EP3485334B1/fr active Active
- 2017-06-13 JP JP2019500547A patent/JP6672523B2/ja active Active
- 2017-06-13 CN CN201780044684.7A patent/CN109643083B/zh active Active
- 2017-06-13 US US16/316,388 patent/US11054791B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109643083B (zh) | 2021-11-09 |
| US20190302700A1 (en) | 2019-10-03 |
| CN109643083A (zh) | 2019-04-16 |
| JP2019526047A (ja) | 2019-09-12 |
| EP3273312A1 (fr) | 2018-01-24 |
| EP3485334B1 (fr) | 2020-11-18 |
| US11054791B2 (en) | 2021-07-06 |
| WO2018015071A1 (fr) | 2018-01-25 |
| JP6672523B2 (ja) | 2020-03-25 |
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