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Variation of the Tip Radius   [Other Title]

Variation des Schneidenradius   [Other Title]
Zerspanen von Stahl X 2 CrNi 18 9 - Schnittvorgang im Feingefüge   [Other Title]
Machining of X 2 CrNi 18 9 Steel - Cutting Process in the Microstructure   [Title Translation]
Produktionsjahr: 1973
Genre: Documentary Film
Drehort: n/a

Credits:
Production company: IWF (Göttingen)
First released by: IWF (Göttingen)
Distributor: IWF (Göttingen)
Author: Günter Warnecke
  Christian Nedess


Schlagwörter: Schneidkantenradius, Spanbildung, Stahl, Stahl, Zerspanung, Zerspanung
Process of chip formation in the orthogonal cutting of a polished and etched X 2 CrNi 18 9 austenitic stainless steel specimen. Due to variations in grain size and orientation within the structure of the material chip formation is irregular, varying between a genuine flow chip and a typical shearing chip. As the radius on the cutting edge grows which is a rather common occurrence in practice as the result of increasing wear on the cutting tool, the actucal severance of the chip is preceded by a marked plastic deformation of the material being cut. Not until a minimum chip thickness has been exceeded will the chip formation proper take place. Furthermore, as the radius on the cutting edge grows an increased tendency of material building up on the cutting edge can be observed.

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