DEP0024429DA - Process for the production of bearings for counters and similar devices of precision mechanics - Google Patents
Process for the production of bearings for counters and similar devices of precision mechanicsInfo
- Publication number
- DEP0024429DA DEP0024429DA DEP0024429DA DE P0024429D A DEP0024429D A DE P0024429DA DE P0024429D A DEP0024429D A DE P0024429DA
- Authority
- DE
- Germany
- Prior art keywords
- counters
- production
- bearings
- similar devices
- precision mechanics
- 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.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 238000000034 method Methods 0.000 title claims description 5
- 238000004049 embossing Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Description
Verfahren zur Herstellung von Lagern für Zählwerke und ähnliche Geräte der Feinmeohanik9 Process for the production of bearings for counters and similar devices of precision engineering 9
Bei Zählwerken und ähnliehen Geräten der Feinmechanik sind die Vellen oft in Bohrungen von Platinenj^us Bleoh gezogenen Gehäusen o.dgl. gelagert. An den Lagerstrellen wird die Platine mit sogen. Öl- oder Flachsenkungen durch Abtragen ν·η Material Versehenl gebohrt und die Bohrung geglättet» Bei der Massenfertigung sind stärkere Abweichungen der Lagerstellen meist unvermeidlich, Insbese fallen oft die Öl- und Flachsenkungen verschieden aus, well beispielsweise das Bleeh nicht gleichmässig dick ist^ oder nicht überall flach Iiegta Die Lagerbohrung ist dann einmal länger und einmal kürzer. Infolgedessen ist auch die Lagerreibung stärkeren Schwankungen unterworfen. Wegen Verschiedenheit der Flach- oder Olsenkungen ist auch der Ölvorrat deS Lagers oft verschieden, oder das ölAt counters and ähnliehen devices precision engineering the Vellen often drawn in bores of printed circuit boards j ^ us Bleoh housings are or the like. stored. At the bearing points, the board is absorbed with. Oil or flat cuts by removing ν · η material accidentally l drilled and smoothed the hole »in the mass production greater deviations of the bearing points are usually unavoidable, especially e often drop the oil and flat cuts different from, well the Bleeh example, is not uniformly thick ^ or does not lie flat everywhere a The bearing bore is then longer and shorter. As a result, the bearing friction is also subject to greater fluctuations. Because diversity of flat or depressions Olsen also the oil reservoir de S camp is often different, or the oil
neigt zu stark zum Abwandern.tends to migrate too much.
Die Erfindung gestattet eine wesentlich/ #erbesser,ipfgyder Lagerstellen. Lrfindungsgemäss werden die Lagerstellen VQr dem Bohren daroh Prägung etwa auf die halbe Platinen-,Blechstaike ο»dgl.verdichtet. Am besten verwendet man dazu kugelige Prägestempel. Luroh die Prägung lassen sich auch bei Jj$?assenfertigung leichter gleichmässige öl- oder Flaohsenkungen •e*&te^e^, < i^ucii wird vermieden, dass bei Blechen mit irgendwelchen überzügen der überzug bei der Herstellung der Senkungen abgetragen wird», .Die Verdichtung des Materials am Vellensitz schafft eine gewisse Gleichmässigkeit des Gefiiges und wirkt sich günstig auf di ; Eeibungsverhältnisse aus. Das Prägeverfahren bringt -■es ferner mit sich, dass die Lagerbohrungen atets gleichlang sind.The invention allows a significantly / # better, ipfgyder storage locations. According to the invention, the bearing points are compressed to approximately half the plate or sheet metal stiffness or the like before drilling. The best way to do this is to use spherical stamps. Is that worn for sheets with any coatings of the coating in making the cuts "Luroh embossing can also Jj $? Asse production easier uniform oil or Flaohsenkungen • e * & te ^ e ^, <i ^ ucii is avoided. The compaction of the material on the Vellensitz creates a certain evenness of the structure and has a beneficial effect on di; Friction relationships. The embossing process also means that the bearing bores are atets of the same length.
Gt/Wfr.Gt / Wfr.
Die Erfindung wird an Hand der Zeichnung näher erläutert.The invention is explained in more detail with reference to the drawing.
sind die beiden Flanken eines Zahlwerk^rahmens angedeutet, in dem an vier Stellen 2 die Wellen gelagert werden' sollen. An diesen Stellen wird die Rahmenwand du roh Sindriioken etwa kugeliger Prägestempel 3 vorzugsweise bis auf die Hälfte verdichtete Dabei wird in den Zählwerk^rahmeη zwecks Abstützung ein Dorn 4 eingeschoben» Nach dem Prägen werden die Lagerstellen gebohrt und geglättet. V/enn die lagerstellen, wie in der BegeL^ genügend dicht nebeneinander liegen, ergibt sich dabei zwangläufig eine Planierung der Blechwände,the two flanks of a counter frame are indicated, in which the shafts are stored in four places 2 ' should. At these points, the frame wall du raw Sindriioken approximately spherical embossing stamp 3 is preferably up to half compressed A mandrel 4 is pushed into the counter for the purpose of support drilled and smoothed. If the bearing points are sufficiently close to one another, as in the description, this results inevitably a leveling of the sheet metal walls,
2 Patexntaη s ρ r ü c h e l|J£a gur 2 godfather x ntaη s ρ r ü chel | J £ a gur
Claims (1)
Family
ID=
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