Sandvik Coromant Heat resistant super alloys - Manual (Page 51)

49
ISM – 46 HRC
Thin walls/unstable.
Internal machining.
CNMG 120408 SM GC1105 50 1.50 0.20 5 15 250
CNMG 120408 SM GC1105 50 1.00 0.20 5 10 250
Insert Geo-
metry
Grade Cutting
speed,
m/min
Feed,
mm/r
Depth
of cut,
mm
Tool
life,
min*
SCL,
m
Metal
removal
rate,
cm 3 /
min
*For Inconel 718 (46 HRC).
DNMG 150608-SM 1105
v
c
50 m/min, a
p
2 mm, f
n
0.15 mm/r
Bar type selection
DNMG 150608-SM 1105
v
c
50 m/min, a
p
2 mm, f
n
0.15 mm/r
RNGN 120400 T01020 6060
v
c
200 m/min, a
p
2 mm, f
n
0.15 mm/r
1 Ш 2 Ш 3 Ш 4 Ш 5 Ш 6 Ш 7 Ш 8 Ш 9 Ш 10 Ш
For overhangs up to 14 x dm
m
, use Silent Tools carbide reinforced boring bars.
Steel damp-
ened boring
bars
Steel boring
bars
Steel boring
bars