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7. Technical data
• For information on adjustment travel and
digital display, see "3.2 Setting the bore
diameter"
• Internal coolant feed up to the cutting
edge. Max. permissible pressure 40 bar.
• Automatically defined cutting edge
position.
• Cutting edge with continuous axial
variability – observe minimum clamping
length
!
¸
See also fig. 2.
Precision boring
Shank
tool
diameter
1
Outer Ø
mm
˜
34
mm
(inch)
(inch)
Ø 40
(1.575)
4 – 7 mm
(.157" – .276")
Ø 40
(1.575)
8 mm
(.315")
Ø 50
(1.969)
4 – 10 mm
(.157" – .394")
Ø 50
(1.969)
12 – 14 mm
(.472" – .551")
See fig. 2 with reference to the following table
Precision boring tool
1
Outer Ø
˜
34
mm
(inch)
40
(1.575)
40
(1.575)
40
(1.575)
50
(1.969)
50
(1.969)
50
(1.969)
50
(1.969)
50
(1.969)
50
(1.969)
50
(1.969)
Observe max. permissible projecting length
1)
18
Minimum
clamping
ˇ
length
¸
mm (inch)
16
(.630)
19
(.748)
25
(.984)
30
(1.181)
Boring range
Ø mm
(Ø inch)
0,4 – 6,0
(.016 – .236) max. permissible
6,0 – 12,0
(.236 – .472) < 5 x shank diameter
6,0 – 12,0
(.236 – .472) > 5 x shank diameter
0,4 – 6,0
(.016 – .236) max. permissible
6,0 – 20,0
(.236 – .787) < 5 x shank diameter
20,0 – 30,0
(.787 – 1.181) < 5 x shank diameter
30,0 – 34,0
(1.181 – 1.339) < 5 x shank diameter
6,0 – 20,0
(.236 – .787) > 5 x shank diameter
20,0 – 30,0
(.787 – 1.181) > 5 x shank diameter
30,0 – 34,0
(1.181 – 1.339) > 5 x shank diameter
, or minimum clamping length
33
• Manual precision balancing via balancing
weights, see also "3.4 Balancing"
• Maximum permissible speed:
– Short projecting lengths reduce con-
centricity errors and imbalance. This
increases the service life of the spindle
and improves safety.
– The necessary mounting and clamping
screws must be checked for the correct
torque before commencing work.
– Suitable protective measures or ma-
chine housings must be available to
protect against ejected particles or a
broken cutting edge.
– Rotating tools are always a potential sa-
fety hazard due to the centrifugal ener-
gies involved. It is therefore essential to
take the safety aspects into account.
– The max. permissible residual imbalan-
ce of the machine manufacturer must
be observed (if necessary, complete
tools have to be balanced).
1)
Projecting lengths
¸
33
Max. perm. speed
-1
in min
(rpm)
35,000
35,000
ˇ
25,000
ˇ
30,000
30,000
ˇ
20,000
ˇ
15,000
ˇ
20,000
ˇ
10,000
ˇ
5,000
ˇ
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