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Cutting data 515

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Turning - cutting data

Name and formulas

RPM

ap = depth of cut

(mm) (mm)

Vc • 1000

n =

(U/min)

D = workpiece diameter

π • D

f = feed n = speed

(mm/rev.) (rev/min)

Cutting speed

Vc = cutting speed κ = setting angle

(m/min)

n • π • D

Vc =

(m/min)

(°)

Cutting Tools 2

1000

Milling – cutting data

Name and formulas

RPM

a e = radial cut depth (contact width)

(mm) (mm) (mm)

Vc • 1000

n =

(U/min)

ap = axial cut depth

π • D c

= milling diameter

D c

f = feed/rev

(mm/rev)

f z

= feed/tooth

(mm/tooth)

Cutting speed

z c = effective number of teeth for calculating feed. n = speed

Vc = n • π • D c (m/min) 1000

(rev/min) (m/min) (mm/min)

Vc = cutting speed

V f

= feed rate

Feed rate

V f V f

= n • z n = n • z c

• f z • f z

(mm/min) (mm/min)

Feed/revolution

f = z n f = z c

• f z • f z

(mm/U) (mm/U)

Cutting speed and revolutions copy milling

(m/min)

n • π • D w

Vc =

1000

Vc • 1000

(U/min)

n =

π • D w

√ ap (D c

D w

= 2 •

-ap) (mm)

2/261

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