CH385655A - Process for working the surface of a metal part, excluding timepieces - Google Patents

Process for working the surface of a metal part, excluding timepieces

Info

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
Application number
CH771663A
Other languages
French (fr)
Inventor
Feller Gilbert
Original Assignee
Metalem 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 Metalem Sa filed Critical Metalem Sa
Priority to CH771663A priority Critical patent/CH385655A/en
Publication of CH385655A publication Critical patent/CH385655A/en

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

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)

REVENDICATION Procédé pour travailler la surface d'une pièce métallique, à l'exclusion de pièces d'horlogerie, 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. SOUS-REVENDICATIONS 1. Procédé selon la revendication, caractérisé en ce qu'on immerge un transducteur directement dans le bain. 2. Procédé selon la revendication, caractérisé en ce qu'on relie un transducteur au récipient contenant le bain. 3. CLAIM Process for working the surface of a metal part, excluding timepieces, characterized in that the part to be worked is immersed in a bath containing at least one abrasive element in powder form, which this bath is stirred in order to hold the abrasive in suspension and simultaneously this bath is subjected to ultrasonic waves. SUB-CLAIMS 1. Method according to claim, characterized in that a transducer is immersed directly in the bath. 2. Method according to claim, characterized in that a transducer is connected to the container containing the bath. 3. Procédé selon la revendication, caractérisé en ce qu'on utilise, pour produire les ondes ultrasoniques un générateur d'ultra-sons dont la puissance dépasse 300 W et dont la fréquence varie entre 20 000 et 30 000 kHz. 4. Procédé suivant la revendication, caractérisé en ce que l'élément abrasif est de la crème de tartre seule ou mélangée à de la pierre du Levant, de la pierre ponce ou des carbures de silice. Method according to claim, characterized in that, to produce the ultrasonic waves, an ultrasonic generator of which the power exceeds 300 W and the frequency of which varies between 20,000 and 30,000 kHz are used. 4. Method according to claim, characterized in that the abrasive element is cream of tartar alone or mixed with Levantine stone, pumice stone or silica carbides.
CH771663A 1960-05-02 1960-05-02 Process for working the surface of a metal part, excluding timepieces CH385655A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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