Sandvik Coromant Heat resistant super alloys - Manual (Page 80)

78
CoroMill ® 390
+
–
50
45
40
35
30
25
20
15
10
5
0
S30T S30T GC1030 S40T GC2040 S30T GC2040
08E-ML 08M-PM 08M-PM 08M-PL 08M-MM 08M-PL 08E-ML
Application – increased radial immersion/extreme conditions
Tool R390-025A25-11H
z
n
4, D
c
25 mm, v
c
35 m/min, a
e
19 mm (75% of D
c
),
a
p
5 mm, h
ex
0.07 mm, f
z
0.07 mm/tooth
Material: Inconel 718 (40 HRC)
Minutes in cut
= Average time in cut
= Average volume removed
Total metal removed, cm 3
Recommendation – highest tool life and immersion ratio at 75% was achieved using insert
S30T M-PL.
Grade S30T E-PL Grade GC1030 M-PL
End milling – increased immersion
a
e
= 25 to 75% of D
c
.
200
160
120
80
40
0