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KI.
Hydraulic Expansion Industrial chucks
Application Notes
Drilling
Drilling with SE-Drill
Machining tempering steels of strength 800 N/mm2 Cutting speed: 60-80 m/min
Torque M Nm
>
—" >
___.
__. -
___
.—
___-
—
— — -
600 500 400 300 200 150 100
50 25
Hydraulic expansion chuck permissible torque
Hydraulic expansion chuck with reducer permissible torque
SE-Drill
Allowing for feed force
7
0
Shank
diameter [mm]
6 8 10
16
18
20
12
14
25 32
0,25
0,35
0,4
0,45
Feed mm/rev
Milling with solid carbide mill cutters
Machining tempering steels of strength 750 N/mm2 Cutting speed: 65-85 m/min
Torque M Nm
Milling
—" y
- -
__. -
.—
---
600 500 400 300 200 150 100
50 25
Hydraulic expansion chuck permissible torque
Hydraulic expansion chuck with reducer permissible torque
SE-Drill
Allowing for feed force
0
6 8 10
16
18
20
12
14
25 32
Shank
diameter [mm]
0,018 0,028 0,038 0,045 0,052 0,08 0,07 0,08
Feed mm/rev
10000
\
G16 ,
V
^r
G6,3 /
\
\
71
N
G2,5
L
\
\~
'S
V_
_^
\
^~
\
S
\
25
\
\
Balancing Quality Classes
KENNAMETAL HERTEL balances to DIN ISO 1940, Part 1 - Balancing quality G 6.3 at 15000 rpm
Balance Service Centre:
Balancing assembled tools (tool + adaptor) acc. to DIN lSO 1940 part 1.
Please refer to our product manager.
m
X 1
orr
er e
o J5
CO cT CO
co c reru
"co "co CO co
erer
CL CL
>< >< CC CC
500
200
100
50
20
10
Note:
HSK hydraulic expansion chucks are balanced on high-precision balancing units KENNAMETAL HERTEL.
Acc. to DIN ISO 1940 part 1 a balancing quality of 15000 rpm with G 6.3 is achieved.
Researches by various universities and also by KENNAMETAL HERTEL have proven that the left-over
imbalance reproduced is limited due to the change accuracy of the tool links found on the current market.
Acc. to state-of-the-technology the limit values at imbalance reproduced are located in a range from 2 to 5 urn.
Perfect axial runout of an assembled tool can only be achieved by a balanceable tool adaptor assisted
by a balancing machine.
0,1
50 200 1000 5000 30 100 500 2000 10000
50000 10000
max. spindle speed (rpm)
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