Общий каталог ZCC-CT 2019 - страница 457

A Turning tools

Cutting speed Vc

π × D × n

V = [m/min]

C 1000

Vc: Cutting speed [m/min] n: Revolution [1/min] f: Feed rate [mm] B Example: n = 250 1/min, f = 0,2 mm, l = 150 mm Result: [insert values in formula Vc] External machining Internal machining

C

D

Feed rate F

Cutting time Tc

f = [mm/rev]

n

Tc = [min]

f × n

f: Feed rate [mm] l: Cutting length [mm/min] n: Revolution [1/min]

Example: n = 500 1/min, l = 100 mm/min Result: [insert values in formula f ]

100

f = = = 0,2 mm

n 500

Tc: Cutting time [min] l: Cutting length [mm/min] f: Feed rate [mm] E n: Revolution [1/min] Example: n = 250 1/min, f = 0,2 mm, l = 150 mm Result: [insert values in formula Tc] External machining Internal machining