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TWIN COUNTER ROTATING SCREW [1 record]

Record 1 2004-12-14

English

Subject field(s)
  • Joining Elements (Mechanical Components)
  • Industrial Tools and Equipment
OBS

Extruder screws can be either corotating, i.e. turn in the same direction with their screw crests matching up with opposing troughs, or counter-rotating, i.e. turn in opposite directions.

Key term(s)
  • counter rotating screw
  • counter rotating twin screw

French

Domaine(s)
  • Éléments d'assemblage (Composants mécaniques)
  • Outillage industriel
DEF

Vis utilisée dans un extrudeur bivis et qui tourne en sens opposé.

OBS

L'extrudeur à vis contrarotatives copénétrantes est très efficace du point de vue du transport et de l'effet de pompage; les distributions des temps de séjour y sont plus étroites que dans les systèmes corotatifs; son usure est plus rapide sur produits secs.

OBS

Les vis contrarotatives sont plus ou moins copénétrantes. Elles sont actuellement peu utilisées en agro-alimentaire.

Key term(s)
  • double vis contrarotative

Spanish

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