Owner manual
68
45
40
35
30
25
20
15
10
5
0
Effect of insert style
Chip thickness, cutting forces and tool life
are affected by the choice of insert style
when milling HRSA materials.
Recommendation – for general face milling in HRSA materials – use round insert cutters
whenever possible to increase chip thinning effect – CoroMill 300.
1st choice 2nd choice 3rd choice
Round inserts 45º 90º
CoroMill®300 CoroMill®245 CoroMill®390
Face milling with carbide inserts
450
400
350
300
250
200
150
100
50
0
0.1 0.15 0.2 0.25 0.3
R245-050Q22-12H, z
n
5,
R245-12T3E-ML GC2040
R300-063Q22-12H, z
n
7,
R300-1240E-MM GC2040
R390-050Q22-11H, z
n
7,
R390-11T308E-ML GC2040
D
c
50 mm, v
c
30 m/min, a
e
32 mm (70%), a
p
2 mm
Material: Inconel 718 (42 HRC)
Feed mm/tooth
Minutes in cut
0.1 0.15 0.2 0.25 0.3
Feed mm/tooth
Metal removal, cm
3
CoroMill 300
optimal productivity