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( / R)
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( )
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VC :切削速度(m/min)
D: (mm)
n: (min-1)
π :3.14
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Vf= fz*Z*n (mm/min)
Vf: (mm/min)
fz : (mm/t)
Z :
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n : (min-1)
n : (min-1)
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