LAMINA - katalog | KL-TECH s.r.o. | www.klte.cz Lamina | Page 227

KL-TECH s.r.o | www.klte.cz
MACHINING CONDITIONS - MILLING - CUTTING SPEEDS (Vc)
LT 30
LT 3000
LT 3130
Material
Group
Non Alloyed
P
Low Alloyed
High Alloyed
Material
Examples Hardness
1 C35, Ck45,
1020, 1045,
1060, 28Mn6 190 HB
2
3
sugg. start
speed
330 250
300 220
250 HB 250 180 HB
125 HB
230 HB
280 HB
350 HB
220 HB
280 HB
320 HB
350 HB
190
150
130
90
60
max sugg. start
speed
350 265
320 240
200 280 215
240 200 270 215
210 180 230 200
190 150 210 165
170 140 190 155
150 130 170 140
130 120 150 130
110 100 120 110
90 80
min
190
150
130
90
60
100 90
4 250 220 190 260 230
240 HB 160 210 190 160 220 200
Duplex 5 X2CrNiN23-4,
S31500 290 HB 130 100 120 90 Ferritic &
Martensitic 6 410, X6Cr17,
17-4PH, 430 200 HB 150 210 190 42 HRc 90 150 130 GG20, GG40, EN-
GJL-250,
N030B 150 HB 240 140 110
130 100
150 220 200
90 160 140
200 - - -
220 180 - - -
250 HB 190 160 - - -
GGG40,
GGG70,
50005 150 HB 200 180 - - -
180 150 - - -
250 HB 150 130 - - -
Incoloy 800 240 HB 45 32 - - -
Inconel 700 250 HB 45 30 - - -
Stellite 21 350 HB 45 30 - - -
TiAl6V4 - 30 55 40 - - -
T40 - 40 65 55 - - -
X100 CrMo13,
440C,
G-X260NiCr42 45 HRc 80 60 - - -
50 HRc 70 55 - - -
60 50 - - -
Chilled Cast Iron Ni-Hard 2 400 HB 80 50 - - -
White Cast Iron G-X300CrMo15 55 HRc 30 60 40 - - -
AlSi12 130 HB 200 400 280 - - -
Malleable
& Nodular
Fe, Ni &
Co based
Ti based
7
8
9
10
Steel
11
H
226
max
min
190
K
NF
X40CrMoV5,
H13, M42, D3,
S6-5-2, 12Ni19
LT 3130
Vc [m/min]
180 HB
Grey
S
42CrMo4,
St50, Ck60,
4140, 4340,
100Cr6
LT 30 / LT 3000
Vc [m/min]
304, 316,
X5CrNi18-9
Austenitic
M
Lamina
Gr. N°
Aluminium
12
310 HB
200 HB
200 HB
55 HRc
70
150
100
25
40
70