Page 340 - ISCAR(MILLINGCATALOG 38_2021)

USER GUIDE
SLOTTING & SLITTING CUTTERS

8 Recommended Cutting Speed
Workpiece Material
ISO class Typical Example ISCAR Cutting
DIN/ISO AISI/SAE/ Hardness mat. speed Vc,
513 Description ASTM DIN W.-Nr. HB group** m/min Insert Grade Coolant
Non-alloy steel and cast
steel, free cutting steel 1020 1.0402 130-180 1 130-200 LN….08 IC928
Alloy steel 4340 1.6582 260-300 8 120-170 LN….08 IC928
P Air blow
Alloy steel 3135 1.5710 HRC 35-40* 9 100-120 LN….08 IC928
High alloy steel H13 1.2344 200-220 10 100-150 LN….08 IC928
Martensitic s.s. 420 1.4021 200 12 100-140 LN….08 IC928
Austenitic s.s. 304L 1.4306 200 14 70-120 LN….08 IC928
M Wet (emulsion)
Austenitic s.s. 316L 1.4404 140 14 80-120 LN….08 IC928
Grey cast iron Class 40 0.6025 (GG25) 250 16 180-230 LN….08 IC910
K Class 0.7050 Air blow
Nodular cast iron 200 17 150-200 LN….08 IC910
65-45-12 (GGG50)
S High temp. alloys AMS R56400 3.7165 (Ti6Al4V) HRC 40-45 37 35-45 LN….08 IC928 Wet (emulsion)
* Quenched and tempered
** ISCAR material group in accordance with VDI 3323 standard
Recommended feed per tooth for MINI-TANGSLOT cutters carrying LN..08... inserts for 3 mm ≤ap<7 mm

Redial depth of cut ae, mm
50
DC=160
45
ap
T
40
35 DC=125
Example
Material - Alloy steel DIN 40NiCrMo6, W.-Nr.16565
30
D = 125 mm D = 125 mm
DC=100
25 ae = 30 mm ae = 20 mm
ap = 4 mm ap = 6 mm
DC=80/63
20 fz = 0.2x0.75* fz = 0.25x1=0.25 mm/tooth
= 0.15 mm/tooth
DC=50
15
DC=40
10
DC=32
fz= fz0xK
5 ap mm K
from 3 to 4 0.60
from 4 up to 5 0.75
over 5 to 7 1
Non-alloy steel and cast
0.17 0.22 0.27 0.32 1020 (DIN 1.0402) 1
steel, free cutting steel
0.15 0.2 0.25 0.3 Alloy steel 4340 (DIN 1.6582) 8
0.1 0.13 0.15 0.2 Alloy steel 3135 (DIN 1.5710) 9 P
0.1 0.13 0.16 0.22 High alloy steel H13 (DIN 1.2344) 10
0.13 0.16 0.2 0.25 Martensitic s.s. 420 (DIN 1.4021) 12
0.1 0.13 0.16 0.22 Austenitic s.s. 316L (DIN 1.4404) 14 M
0.2 0.25 0.3 0.35 Grey cast iron Class 40 (DIN 0.6025) (GG25) 16
0.15 0.2 0.25 0.3 Nodular cast iron Class 65-45-12 (DIN 0.7050) (GGG50) 17 K
0.1 0.13 0.16 0.22 High temp. alloys AMS R56400 (DIN 3.7165) 37 S
Description AISI / SAE / ASTM (DIN W.-Nr.) ISCAR Mat. Group DIN/
Basic feed fz0, mm/tooth Workpiece Material ISO

338 ISCAR