WIDIA - Полный каталог инструмента - 2017
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Copy Mills • M170™ Series
Additional Application Advice • RD1604..
Selecting the Correct Cutting Values
1. fz depends on the Ap1 and ae values
With round inserts, two factors can affect the hm: Ap1 and ae.
fz has to be adjusted accordingly.
Recommended Starting Feed Rate Values (fz) Related to the Ap1 and ae Values:
ae engagement
Ap1 = 1mm
Ap1 = 2mm
Ap1 = 3mm
Ap1 = 4mm
Ap1 = 5mm
Ap1 = 6mm
10%
1,52mm
1,07mm
0,88mm
0,76mm
0,62mm
0,54mm
20%
1,07mm
0,76mm
0,62mm
0,54mm
0,44mm
0,38mm
30%
0,88mm
0,62mm
0,51mm
0,44mm
0,36mm
0,31mm
40%
0,76mm
0,54mm
0,44mm
0,38mm
0,31mm
0,27mm
50%
0,68mm
0,48mm
0,39mm
0,34mm
0,26mm
0,24mm
100%
0,48mm
0,34mm
0,28mm
0,24mm
0,20mm
0,17mm
Example application
highlighted.
Example Cutting Conditions for iC16mm... Insert in Pocketing, up to 3 L/D approximately:
TN2505
TN6525
TN6540
feed per tooth fz (mm)/ae>50%
insert = RDPX1604M0SN
min med max min med max min med max
Edge Geometry MM ae>50% Recommended starting Ap1 = 3mm
–
–
– 0,28mm 0,45mm 0,65mm 0,28mm 0,50mm 0,70mm
Edge Geometry MH ae>50% Recommended starting Ap1 = 3mm 0,28mm 0,35mm 0,50mm 0,28mm 0,50mm 0,75mm 0,28mm 0,60mm 0,80mm
2. Ap1 and vc corrections depend on L/D ratio
With increasing L/D ratios, or overhang, vibrations can occur due to reduced
rigidity. To ensure successful application, it is recommended to adjust Ap1
and vc values according to the following table:
L/D ratio
<2
2<L/D<4
>4
% of Ap1 max
to reduce
0%
65–75%
80–95%
% of vc
to reduce
0%
10–15%
20–40%
L
L
D
L
D
Recommended Cutting Conditions • Helical Interpolation from Solid
cutter diameter
32
50
52
63
66
80
100
125
min hole
diameter
36mm
69mm
73mm
95mm
101mm
129mm
169mm
219mm
max hole diameter
(at bottom)
48mm
84mm
88mm
110mm
120mm
144mm
184mm
234mm
Ap1 max per
revolution
3mm
8mm
8mm
8mm
8mm
8mm
8mm
8mm
max ramp
angle
20°
9,5°
8,2°
5,5°
4°
3°
2,4°
2,2°
Ap1 max
when plunging
3mm
4,8mm
5mm
4,7mm
4,2mm
4,1mm
4,6mm
4,4mm
D
Cutter
Diameter
Hole
Diameter
M70
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