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HF UNI - Variable Helix and unequal pitch - Corner radius
CUTTING PARAMETERS
INFO
HF442
Material Group
ISO 513
P1
_° max
P2

M1

K1
P3

P4

M2

K2

K3
P5

M3

M4

K4

S1

S4
S2

S3

≤ 700 N/mm² 700-1000 N/mm² ≤ 35 HRC ≤ 40 HRC
_° x ae 5° x 0.4D 4° x 0.4D 3° x 0.4D 3° x 0.4D
110-130
D
(mm) n
(rpm)
3
4
5
6
8
10
12
14
16
20 12740
9550
7640
6370
4780
3820
3180
2730
2390
1910
70-90
fn
Vf
(mm/rev) (mm/min)
0.009
0.012
0.015
0.018
0.023
0.028
0.031
0.035
0.039
0.048
≤ D5
470
465
460
450
440
420
400
385
375
365
n
(rpm)
50-70
fn
Vf
(mm/rev) (mm/min)
8490
6370
5100
4250
3180
2550
2120
1820
1590
1270
0.009
0.011
0.014
0.016
0.021
0.026
0.029
0.033
0.037
0.045
2°
290
290
285
280
270
260
250
240
235
225
n
(rpm)
0.008
0.010
0.012
0.015
0.019
0.023
0.026
0.029
0.032
0.039
2°
TYPHOO
N
PU-HPU
30-50
fn
Vf
(mm/rev) (mm/min)
6370
4780
3820
3180
2390
1910
1590
1360