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Record 1 1989-09-13

English

Subject field(s)
  • Lathe Work (Machine-Tooling)
DEF

A standard thread having a profile angle of 29° and a flat crest; used on power screws in such devices as automobile jacks, presses, and lead screws on lathes.

French

Domaine(s)
  • Tournage sur métaux
CONT

Le filet Acmé est engendré par l'enroulement, en hélice, d'un profilé ayant la forme d'un trapèze dont l'angle des côtés non parallèles est de 29°.

OBS

Contexte extrait de l'ouvrage «Le tour et la fraiseuse» de Robert Nadreau, p. 157.

Spanish

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