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Diamètre de l'outil
D - [mm]
Vitesse de coupe
D x π x n
vc = ------------- [m/min]
1000
Nombre de révolutions
vc x 1000
n = ------------ [1/min]
D x π
Défilement
s = fr x n [mm/min]
Alimentation par tour
s
fr = ------- [mm/r]
n
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