TERMIUM Plus®

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

PITCH HELIX [2 records]

Record 1 1992-09-23

English

Subject field(s)
  • Mathematics
DEF

... the amount by which a point on the helix is displaced, in a direction parallel to the axis, in making one revolution about the axis.

OBS

helix : A twisted curve whose tangent always makes a constant angle with a fixed line, called the axis of the helix.

French

Domaine(s)
  • Mathématiques
OBS

Un cas particulier important est celui de l'hélice circulaire, dont le cylindre (C) correspondant est un cylindre de révolution. Pour la caractériser, il faut connaître son axe et son rayon r [...], son sens d'enroulement [...] et son pas h (longueur constante qui sépare deux points d'intersection consécutifs d'une génératrice fixe, avec (H].

OBS

hélice : Courbe le plus souvent gauche, dont les tangentes font un angle constant avec une direction donnée.

Spanish

Save record 1

Record 2 1992-05-07

English

Subject field(s)
  • Gears and Friction Wheels
DEF

The intersection of a tooth flank with the pitch cylinder of a helical gear.

OBS

Term and definition standardized by ISO.

French

Domaine(s)
  • Engrenages et roues de friction
DEF

Intersection d'un flanc avec le cylindre primitif de fonctionnement d'une roue hélicoïdale.

OBS

Terme et définition normalisés par l'ISO.

Spanish

Save record 2

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