Table of Contents Table of Contents
Previous Page  248 / 1562 Next Page
Information
Show Menu
Previous Page 248 / 1562 Next Page
Page Background

2/2

2

Cutting Tools

Order

No.

∅ e8

mm

etc.

Example calculation (∅ 4.0 mm end mill, mild steel up to 850 N / mm

2

)

etc.

teeth-

number

6WHHOV

XSWR

1PP

f

z

mm

Value sought 1:

n =

number of revolutions per minute (r/min)

Formula:

n =

v

c

x 1000

__________

D x ∏

Calculation:

n =

30 m/min x 1000

__________________

2,5 mm x 3,14159

Solution:

n =

3820/min

0101

1,0

2

0,003

0102

1,5

2

0,003

0103

2,0

2

0,003

0104

2,5

Value sought 2:

v

f

=

feed rate (mm/min)

2

0,003

0105

2,8

Formula:

v

f

=

n x z x f

z

2

0,003

0106

3,0

Calculation:

v

f

=

3820/min x 2 x 0.003 mm

2

0,007

etc.

etc.

Solution:

v

f

=

22.9 mm/min

etc.

etc.

Short Codes

Cutting speed and feed rate

All information regarding cutting speed and feed rate correspond to a recommended guideline.

This requires stable machine conditions, a low-vibration workpiece and the use of a suitable coolant.

Symbol mapping

Order

no.

Steels

up to

850

N/mm

2

Steels

up to

1000

N/mm

2

Steels

up to

1400

N/mm

2

Steels

up to

42 HRC

Steels

up to

52 HRC

Steels

up to

56 HRC

Steels

up to

60 HRC

Hard

processing

over

60 HRC

Stainless

and acid-

resistant

steels (INOX)

Ti steels,

Ti alloys,

special

steels

Cast iron

materials

Al,

AI and

Mg alloys

Copper,

brass,

bronze

9999

C

C

C

C

C

U

C

V

C

C

recommended

U

suitable

V

limited suitability

Mapping of values cutting speed V

c

Order

no.

Steels

up to

850

N/mm

2

Steels

up to

1000

N/mm

2

Steels

up to

1400

N/mm

2

Steels

up to

42 HRC

Steels

up to

52 HRC

Steels

up to

56 HRC

Steels

up to

60 HRC

Hard

processing

over

60 HRC

Stainless

and acid-

resistant

steels (INOX)

Ti steels,

Ti alloys,

special

steels

Cast iron

materials

Al,

AI and

Mg alloys

Copper,

brass,

bronze

9999

35

35

25

25

19

30

30

50

35

font size bold =

recommended

font size normal = suitable

The stated feed values relate to the groove cutters.

Material

eg.

HSS

High-speed-

HSS

HSS

Co

High speed-

steel with cobalt

HSS-E

PM

Metallurgical powder HSS

eg.

Solid

carbide

K10/K20

Solid carbide

Sort K10/K20

Solid

carbide

NANO

Solid carbide with crystalline

nanostructure

Solid

carbide

UF

Ultra-fine grain

solid carbide

Standard

eg.

DIN

844-K

Equiv to DIN 884

design, short

DIN

6527

Equiv. to DIN 6527

Factory

standard

Company standard

Type

eg.

Type

W

finishing teeth

for soft material

Type

N

finishing teeth

for normal material

Type

H

finishing teeth

for hard material

eg.

Type

NF

Roughing finishing teeth

for normal material

Type

NRf

Fine-roughing teeth

for materials with greater

durability

eg.

Type

WR

Course-roughing teeth

for-soft materials

Type

NR

Normal roughing teeth

for normal materials

Type

HR

Fine-roughing teeth

for hard materials

Number of

cutting edges

eg.

Z

6–8

6-8 cutting edges

shaft design

eg.

DIN

1835-B

Cyl. shaft with

Carrier surface

acc. to DIN 1835 B

DIN

6535-HA

Unit cyl. shaft

DIN

6535-HB

Unit shaft

with lateral

carrier surface

Angle

eg.

45°

Right spiral

with 45° angle

Rake angle

Application

eg.

Feed direction

Dry machining possible

Design:

extra-short, short, long,

extra-long

eg.

Cast, weak

interrupted cut

Steel, strong

interrupted cut

Short Codes and Cutting Data

248