Milling · Turning - Komet Group

UniTurn ®
Boring tool with CBN Ø 2,7 – 7,5 mm
L / D through hole blind hole
angled cross bore
reverse machining
HRC > 54 HRC > 54
through hole
blind hole
vibration
dampening
3×D § § $ $ X § § §
§ very good $ good & possible: see technical notes, KomPass chapter 8 X not possible
R.H. cutting form
L.H. cutting form
L1
10°
R
L2
D
min
a
f
ap
R
t
L2
20°
L1
d
D
min
a
f
ap
10°
11°
t
20°
d
11°
Guideline recommendations: a p
= 0.05-0.07 mm; f = 0.01-0.03 mm; v c
= 70-90 m/min
3
R.H.
cutting form
L.H.
cutting form
Basic recommendation
Quality
for
workpiece material
D*
min
t
f
a
±0,1
R
L1
L2
d
Order No.
Order No.
P M K N S H
2,7
3,8
4,8
5,4
7,5
0,2
0,2
0,25
0,3
0,5
1,35
1,9
2,4
2,7
3,8
2,5
3,6
4,55
5,2
7,3
0,1
0,1
0,1
0,1
0,1
27
30
33
38
43
9
12
15
20
25
4
8
8
8
8
0,004
0,015
0,017
0,020
0,022
H56 32100.0140
H56 42121.0140
H56 52151.0140
H56 62201.0140
H56 82251.0140
H56 31100.0140
H56 41121.0140
H56 51151.0140
H56 61201.0140
H56 81251.0140
CBN40
52
HRC
Please note:
Boring tools have internal coolant supply.
* dimensions only for stationary use
Important: See page 57 for more application details !
71