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Short Codes and Cutting Data 256

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Short Codes

Powder metallurgical high performance high-speed steel

HSS Co

HSS-E PM

High speed- steel with cobalt

High-speed- HSS

Materials

e.g. HSS

e.g. Solid

Solid carbide

carbide

Equivalent to DIN 884 design, short

e.g. DIN

DIN 6527 Type N Type NRf Type NR

Factory standard

Standard

Equivalent to DIN 6527

Factory standard

844-K

e.g. Type W e.g. Type NF e.g. Type WR

Type H

Finishing teeth for soft material Roughing finishing teeth for normal materials Course-roughing teeth for soft materials

Finishing teeth for normal material

Finishing teeth for hard material

Type

Cutting Tools 2

Fine-roughing teeth for materials with greater durability Normal roughing teeth for normal materials

Type HR

Fine-roughing teeth for hard materials

Number of cutting edges

Z 6–8

e.g.

6-8 cutting edges

Cyl. shank with carrier surface acc. to DIN 1835 B

Unit shank with lateral carrier surface

Shank design

e.g.

DIN 6535-HA

DIN 1835-B

DIN 6535-HB

Unit cyl. shank

Right spiral with 45° angle

Angles

e.g.

45°

Design: extra-short, short, long, extra-long

Application

e.g.

Feed direction

Dry machining possible

Cast, weak interrupted cut

Steel, strong interrupted cut

e.g.

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

Steels up to 850 N/mm 2

Steels up to 1000 N/mm 2

Steels up to 1400 N/mm 2

Hard machining over 60 HRC

Ti steels, Ti alloys, special steels

Stainless and acid- resistant steels (INOX)

Steels up to 42 HRC

Steels up to 52 HRC

Steels up to 56 HRC

Steels up to 60 HRC

Copper, brass, bronze

Cast iron materials

Al, Al and Mg alloys

Order No. 9999

C

C

C

C

C

U

C

V

C

C recommended

U suitable

V limited suitability

Mapping of values cutting speed Vc

Steels up to 850 N/mm 2

Steels up to 1000 N/mm 2

Steels up to 1400 N/mm 2

Hard machining over 60 HRC

Ti steels, Ti alloys, special steels

Stainless and acid- resistant steels (INOX)

Steels up to 42 HRC

Steels up to 52 HRC

Steels up to 56 HRC

Steels up to 60 HRC

Copper, brass, bronze

Cast iron materials

Al, Al and Mg alloys

Order No. 9999

35

35

25

25

19

30

35

30

50

font size bold = recommended

font size normal = suitable

Example calculation (∅ 4.0 mm end mill, mild steel up to 850 N / mm2) Value sought 1: n = number of revolutions per minute (r/min)

Steels up to 850 N/mm 2 f z mm

Order no.

∅ e8 mm

teeth- number

etc.

etc.

v c x 1000 __________ D x ∏

Formula:

n =

0101 0102 0103 0104 0105 0106

1.0 1.5 2.0 2.5 2.8 3.0 etc.

2 2 2 2 2 2

0.003 0.003 0.003 0.003 0.003 0.007

35 m/min x 1000 __________________ 2.5 mm x 3.14159

Calculation:

n =

Solution:

n =

4450/min

Value sought 2:

v f v f v f v f

= = = =

feed rate (mm/min)

Formula:

n x z x f z

Calculation:

3820/min x 2 x 0.003 mm

etc.

Solution:

22.9 mm/min

etc.

etc.

The stated feed values relate to the groove cutters.

2/2