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Articles marked ◊ are not held in stock, procurement is effected at short notice.

Cutting Tools

2

Name and formulas

RPM

n =

Vc • 1000

(U/min)

π • D

ap = depth of cut

(mm)

D = workpiece diameter

(mm)

f = feed

(mm/rev.)

n = speed

(rev/min)

Vc = cutting speed

(m/min)

κ

= setting angle

(°)

Cutting speed

Vc =

n • π • D

(m/min)

1000

Name and formulas

RPM

n =

Vc • 1000

(U/min)

π • D

c

a

e

= radial cut depth (contact width)

(mm)

ap = axial cut depth

(mm)

D

c

= milling diameter

(mm)

f = feed/rev

(mm/rev)

f

z

= feed/tooth

(mm/tooth)

z

c

= effective number of teeth for calculating feed.

n = speed

(rev/min)

Vc = cutting speed

(m/min)

V

f

= feed rate

(mm/min)

Cutting speed

Vc =

n • π • D

c

(m/min)

1000

Feed rate

V

f

= n • z

n

• f

z

(mm/min)

V

f

= n • z

c

• f

z

(mm/min)

Feed/revolution

f = z

n

• f

z

(mm/U)

f = z

c

• f

z

(mm/U)

Cutting speed and revolutions copy milling

Vc =

n • π • D

w

(m/min)

1000

n =

Vc • 1000

(U/min)

π • D

w

D

w

= 2 •

ap (D

c

-ap) (mm)

Turning - cutting data

Milling – cutting data

Cutting data

515