TERMIUM Plus®

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AVANCEMENT MECANIQUE [1 record]

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Alphabetical list of terms

Record 1 2015-04-21

English

Subject field(s)
  • Boring and Drilling (Mines)
  • Geological Research and Exploration
DEF

A system of gears, ratchets, and friction devices, or some combination of these parts, in the swivel head of a diamond drill, which controls the rate at which a bit is made to penetrate the rock formation being drilled. When controlled by a feed gear, the bit maintains the same penetration rate per revolution regardless of drill-stem revolutions per minute.

French

Domaine(s)
  • Sondage et forage miniers
  • Recherches et prospections géologiques
CONT

L'avancement mécanique utilise un système de vis différentielles concentriques aux tiges. Les vitesses de rotation et d'avancement sont ainsi dans un rapport constant, dépendant uniquement des caractéristiques de la machine [...]

OBS

L'avancement [d'une sondeuse], nécessaire pour maintenir la pression de coupe, se fait en faisant avancer le mandrin toujours solidaire des tiges auxquelles il transmet sa rotation.

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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