TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

MECHANICAL HEAD [1 record]

Record 1 2006-06-08

English

Subject field(s)
  • Industrial Tools and Equipment
  • Gemmology
DEF

A mechanical device used for developing and polishing facets on faceted stones in a regular geometric manner.

OBS

In machines of this type the dop stick with the gem attached to it, is fitted into a "quill" which can be positioned at various precise angles via the "protractor." The quill moves up and down on the mast, which gives great control over the depth of cut, and a slotted index gear gives accurate control over the radial placement of facets. Stones cut on such equipment are usually described as "custom cut."

French

Domaine(s)
  • Outillage industriel
  • Gemmologie
CONT

On utilise une facetteuse pour polir la pierre, elle est constituée par un disque (ou plateau) et le support de la tige de taille.

OBS

Équipement utilisé pour la taille des pierres de couleur. Pour la taille des diamants, on utilise la pince (tang).

Spanish

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