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Pictograms and Cutting Data

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Pictogram Abstracts

HSS Co5

HS steel with 5% Cobalt alloy content

Solid carbide

High-speed- HSS

Tool material

e.g. HSS

Solid carbide

Cutting Tools 1

Equiv. to DIN 208 Form B – Spiral fluted

Complies with the European standard 22568

e.g. DIN

EN 22568

DIN 338

Standard

Equiv. to DIN 338

208-B

Machining of materials with normal resistance and hardness

Machining of materials with high resistance and hardness

Machining of materials with low resistance and hardness

e.g. Type N

Type W

Type H

Type

Number of cutting edges

Number of teeth 4 (4 cuts)

Z 4

e.g.

2–3

Chamfer 2–3 threads, Form C

Thread

e.g.

M

Metric thread

With edge angle 60°

60°

C

Metric ISO threads/FORUM Usage class 2 Medium tolerance 6H

ISO 2 6H

Tolerance

e.g. H7

Tolerance zone H7

Cyl. shaft with Carrier surface acc. to DIN 1835 B

Shaft design

e.g.

Cylinder shaft

DIN 1835-B

Countersink with 90° point angle

Point angle

e.g.

Spiral drill 130° point angle

130°

90°

Right spiral with 25° to 30° angle

Left spiral with approx. 7° angle

Spiral angle

e.g.

ca. 7°

25–30°

For through and blind holes

Application

e.g.

Feed direction

Dry machining possible

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 processing over 60 HRC

Steels up to 42 HRC

Steels up to 52 HRC

Steels up to 56 HRC

Steels up to 60 HRC

Ti, Ti-alloy and special steels

Al, Al- and Mg alloy

Copper, brass, bronze

Rust and acid resistant steels (INOX)

Cast-iron materials

Order No. 1040

C

C

C

C

C

U

C

V

C

C recommended

U suitable

V limited suitability

Mapping of values Cutting speed V c

Steels up to 850 N/mm 2

Steels up to 1000 N/mm 2

Steels up to 1400 N/mm 2

Hard processing over 60 HRC

Steels up to 42 HRC

Steels up to 52 HRC

Steels up to 56 HRC

Steels up to 60 HRC

Ti, Ti-alloy. and special steels

Al, Al- and Mg alloy

Copper, brass, bronze

Rust and acid resistant steels (INOX)

Cast-iron materials

Order No. 1040

35

35

25

25

19

30

35

30

50

Font bold = recommended

Font normal = suitable

Example calculation (Spiral drill ∅ 4.0 mm, mild steel up to 850 N / mm 2 )

6WHHOV XSWR

Order No.

∅ h8 mm

Value sought 1:

n =

number of revolutions per minute (r/min)

1PP

etc.

etc.

f mm/rev

V c x 1000 __________ D x ∏

Formula:

n =

0101 0102 0103 0104 0105 0106

1.0 2.0 3.0 4.0 5.0 6.0 etc.

0,090 0,095 0,100 0,105 0,110 0,115

35 m/min x 1000 __________________ 4.0 mm x 3,14159

Calculation:

n =

Solution:

n =

2785/min

Value sought 2:

v f v f v f v f

= = = =

feed rate (mm/min)

Formula:

n x f

Calculation:

2785/min x 0.105 mm/U

etc.

Solution:

292 mm/min

etc.

1/2