Sandvik Coromant Heat resistant super alloys - Manual (Page 115)

113
16 26
20 34
25 44 R390-11T331E-ML 2040 2 30 0.10
32 58
40 74
25 38
32 52
34 56
35 58
40 68
42 72 R300-1240E-MM 2040 2 30 0.20
50 88
52 92
63 114
66 120
80 148
Circular ramping from solid
Insert choice Cutting speed
v
c
m/min
Feed* f
z
mm/tooth
Max. depth
of cut/pitch
a
p
mm
Cutter
diameter
Cutter
concept
CoroMill ® 390
end mill
Min. hole dia.
D
m min
mm
CoroMill ® 300
*Reduce feed when programming tool centre feed.
80% 60% 40% 20%
CoroMill ® Plura
4 5 R216.23-04050CAK11P 1620 4 0.3
5 6.25 R216.23-05050CAK13P 1620 5 0.4
6 7.5 R216.24-06050CAK13P 1620 6
75
0.5
0.08
8 10 R216.24-08050EAK19P 1620 8 0.6
10 12.5 R216.24-10050EAK22P 1620 10 0.8 7.6 3.4 2 1.4
12 15 R216.24-12050GAK26P 1620 12 1.0
CoroMill ® 390
16 20 R390-11T308M-PM 1030 2.0
20 25 2.5
25 31 10 30 3.1 0.1
32 40 4.0
40 50 5.0
Circular milling from predrilled hole
Tool choice Cutting
speed v
c
m/min
Feed* f
z
mm/
tooth
Optimal
radial cut
a
e
mm
Min. hole
dia. D
c
=
80% D
m
D
m
mm
Cutter dia.
D
c
mm
Max.
depth of
cut/pitch
a
p
mm
*Reduce feed when programming tool centre feed.
Feed reduction
factor when using
tool centre feed:
cutter dia. relative
to hole D
c
/D
m