TERMIUM Plus®

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powered core drive [1 record]

Record 1 2003-04-24

English

Subject field(s)
  • Facilities and Equipment (Wood Industries)
  • Plywood
CONT

The Powered Core Drive. ... the authors measured the torque exerted by the chucks of a lathe, and the efficiency of various chuck designs. They also studied the friction between rubber rollers (of the back-up roll type) and the surface of a log; they found that a powered roll could provide considerable peripheral torque to assist that exerted by the chucks. [An] American manufacturer is now offering a lathe with a powered core drive which can reduce an 8-foot (2.4 m) core to a 3 1/2 inch (9 cm) diameter.

French

Domaine(s)
  • Installations et équipement (Industr. du bois)
  • Contreplaqués
CONT

Le rouleau aide-griffes. Au cours d'une étude au Laboratoire des produits forestiers des États-Unis, on a mesuré le moment (force de torsion) exercé par les griffes de la dérouleuse ainsi que l'efficacité de divers modèles de griffes. On a aussi mesuré le frottement entre des rouleaux antiflexion motorisés en caoutchouc et la bille que l'on déroule. On a trouvé que de tels rouleaux aident beaucoup les griffes à faire tourner la bille et constamment dérouler cette dernière à son plus petit diamètre possible. [Un] manufacturier américain offre maintenant sur le marché une dérouleuse équipée d'un «rouleau aide-griffes».

Spanish

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