Achteck - obecný katalog

Thread machining

Indexable Thread Milling Cutting Parameter Recommendation

Materials

ATM60

fz(mm) Insert dimension 06 09 11/14

Cutting speed Vc(m/min)

Brinell hardness (HB)

Tensile strength (N/mm 2 )

ISO

Material classification

C ≤ 0.25%

Annealed

125

428

180

0.3

0.35

0.4

0.25 < C ≤ 0.55%

Annealed

190

639

180

0.3

0.35

0.4

0.25 < C ≤ 0.55%

Heat-treated

210

708

180

0.3

0.35

0.4

Unalloyed steel

Annealed

190

639

180

0.3

0.35

0.4

C > 0.55%

Heat-treated

300

1013

180

0.25

0.3

0.35

C > 0.55%

Free cutting steel (short-chipping)

Annealed

220

745

180

0.3

0.35

0.4

Annealed

175

591

180

0.3

0.35

0.4

P

Heat-treated

300

1013

180

0.3

0.35

0.4

Low-alloyed steel

Heat-treated

380

1282

130

0.2

0.3

0.35

Heat-treated

430

1477

80

0.15

0.2

0.3

Annealed

200

675

180

0.25 0.35

0.4

High-alloyed steel and high-alloyed tool steel

Hardened and tempered

300

1013

180

0.25 0.35

0.4

Hardened and tempered

400

1361

130

0.25

0.3

0.35

Ferritic/martensitic, annealed

200

675

180

0.25

0.3

0.35

Stainless steel

Martensitic, heat-treated

330

1114

130

0.25

0.3

0.35

Austenitic, quench hardened

200

675

180

0.2

0.3

0.35

M

Stainless steel

Austenitic, precipitation hardened (PH)

300

1013

130

0.2

0.3

0.35

Austenitic/ferritic, duplex

230

778

80

0.2

0.3

0.35

Ferritic

200

400

180

0.3

0.35

0.4

Malleable cast iron

Pearlitic

260

700

180

0.3

0.35

0.4

Low tensile strength

180

200

250

0.3

0.35

0.4

Grey cast iron

K

High tensile strength/austenitic

245

350

180

0.3

0.35

0.4

Ferritic

155

400

180

0.3

0.35

0.4

Cast iron with spheroidal graphite

Pearlitic

265

700

180

0.3

0.35

0.4

GGV(CGI)

230

400

180

0.3

0.35

0.4

non-aging

30

-

Wrought aluminium alloys

aged

100

340

≤ 12% Si, non-aging

75

260

Cast aluminium alloys

≤ 12% Si, aged

90

310

200

0.3

0.35

0.4

> 12% Si, non-aging

130

450

240

0.3

0.35

0.4

N

Magnesium alloys

70

250

Unalloyed, electrolytic copper

100

340

Copper and copper alloys (bronze/brass)

Brass, bronze, red brass

90

310

Cu alloys, short-chip

110

380

High tensile, Ampco alloy

300

1010

Annealed

200

680

35

0.2

0.2

0.2

Fe-based

Hardened

280

940

20

0.1

0.1

0.1

Heat-resistant alloys

Annealed

250

840

35

0.2

0.2

0.2

Ni or Co based

Hardened

350

1180

20

0.1

0.1

0.1

Cast

320

1080

30

0.2

0.2

0.2

S

Pure titanium

200

680

35

0.2

0.2

0.2

Titanium alloys

α and β alloys, hardened

375

1260

35

0.2

0.2

0.2

β alloys

410

1400

25

0.2

0.2

0.2

Tungsten alloys

300

1010

35

0.2

0.2

0.2

Molybdenum alloys

300

1010

35

0.2

0.2

0.2

Hardened and tempered

50HRC

40

0.15

0.2

0.2

Hardened steel

Hardened and tempered

55HRC

H

Hardened and tempered

60HRC

Chilled cast iron

Hardened and tempered

50HRC

40

0.15

0.2

0.2

The recommended cutting parameters are theoretical values, special applications require adjustment of the recommended values.

431

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