CH385655A - Process for working the surface of a metal part, excluding timepieces - Google Patents
Process for working the surface of a metal part, excluding timepiecesInfo
- Publication number
- CH385655A CH385655A CH771663A CH771663A CH385655A CH 385655 A CH385655 A CH 385655A CH 771663 A CH771663 A CH 771663A CH 771663 A CH771663 A CH 771663A CH 385655 A CH385655 A CH 385655A
- Authority
- CH
- Switzerland
- Prior art keywords
- bath
- working
- timepieces
- excluding
- metal part
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
- G04D3/0069—Watchmakers' or watch-repairers' machines or tools for working materials for working with non-mechanical means, e.g. chemical, electrochemical, metallising, vapourising; with electron beams, laser beams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
Procédé pour travailler la surface d'une pièce métallique, à l'exclusion de pièces d'horlogerie La présente invention a pour objet un procédé pour travailler la surface d'une pièce métallique, par exemple pour la crémer, la mater ou la polir.
Le crémage de pièces métalliques qui est effectué dans le but de les blanchir, était jusqu'à ce jour réalisé par projection de crème de tartre, soit à sec, soit en bouillie, au moyen d'un pistolet, par air com primé. Ce procédé nécessite une manutention répétée de la pièce d'où perte de temps, et en outre les résul tats obtenus diffèrent grandement d'une pièce à l'autre.
La présente invention vise à éviter ces incon vénients.
A cet effet l'invention a pour objet un procédé pour travailler la surface d'une pièce métallique, par exemple pour la crémer, la mater ou la polir, carac térisé en ce qu'on immerge la pièce à travailler dans un bain contenant au moins un élément abrasif sous forme de poudre, qu'on agite ce bain pour y main tenir l'abrasif en suspension et que simultanément on soumet ce bain à des ondes ultrasoniques.
Pour soumettre le bain à des ondes ultrasoniques on peut relier le récipient contenant le bain et la pièce à traiter à un transducteur ou directement immerger ce dernier dans le bain.
La puissance du générateur d'ultra-sons sera de préférence supérieure à 300 W et mieux encore supé rieure à 500 W. La fréquence de ce générateur pourra varier entre 20 000 et 30 000 kHz.
On pourra utiliser comme élément abrasif de la crème de tartre seule ou mélangée à de la pierre ponce ou des carbures de silice.
En procédant de la manière décrite on peut, par le choix des éléments abrasifs et de la durée de l'im mersion par exemple mater à volonté un dépôt bril lant, réaliser un certain polissage de tout ou partie d'une pièce et notamment débarrasser de son fard d'argentage un dépôt d'argent.
Les pièces peuvent être trempées dans le bain contenant le ou les éléments abrasifs tels qu'ils sor tent du bain d'argent et sans manutention intermé diaire.
Method for working the surface of a metal part, excluding timepieces The present invention relates to a method for working the surface of a metal part, for example for creaming, matting or polishing it.
The creaming of metal parts, which is carried out with the aim of bleaching them, has until now been carried out by spraying cream of tartar, either dry or in slurry, by means of a gun, by compressed air. This process requires repeated handling of the part resulting in a waste of time, and in addition the results obtained differ greatly from one part to another.
The present invention aims to avoid these drawbacks.
To this end, the invention relates to a method for working the surface of a metal part, for example for creaming, matting or polishing it, charac terized in that the workpiece is immersed in a bath containing minus an abrasive element in the form of powder, that this bath is stirred to keep the abrasive in suspension and that simultaneously this bath is subjected to ultrasonic waves.
To subject the bath to ultrasonic waves, the receptacle containing the bath and the part to be treated can be connected to a transducer or the latter directly immersed in the bath.
The power of the ultrasound generator will preferably be greater than 300 W and better still greater than 500 W. The frequency of this generator may vary between 20,000 and 30,000 kHz.
Cream of tartar alone or mixed with pumice or silica carbides can be used as an abrasive element.
By proceeding in the manner described, it is possible, by the choice of the abrasive elements and of the duration of the immersion, for example to put down a shiny deposit at will, to polish all or part of a part and in particular to get rid of his silver makeup a deposit of money.
The parts can be soaked in the bath containing the abrasive element (s) as they come out of the silver bath and without intermediate handling.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH771663A CH385655A (en) | 1960-05-02 | 1960-05-02 | Process for working the surface of a metal part, excluding timepieces |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH771663A CH385655A (en) | 1960-05-02 | 1960-05-02 | Process for working the surface of a metal part, excluding timepieces |
Publications (1)
Publication Number | Publication Date |
---|---|
CH385655A true CH385655A (en) | 1964-12-15 |
Family
ID=4329391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH771663A CH385655A (en) | 1960-05-02 | 1960-05-02 | Process for working the surface of a metal part, excluding timepieces |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH385655A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0445728A1 (en) * | 1990-03-07 | 1991-09-11 | Hitachi, Ltd. | Apparatus and method for cleaning solid surface |
-
1960
- 1960-05-02 CH CH771663A patent/CH385655A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0445728A1 (en) * | 1990-03-07 | 1991-09-11 | Hitachi, Ltd. | Apparatus and method for cleaning solid surface |
US5226969A (en) * | 1990-03-07 | 1993-07-13 | Hitachi, Ltd. | Method for cleaning solid surface with a mixture of pure water and calcium carbonate particles |
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