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The chamfer height can be set in 0.1 mm (0.004")
steps. Each full rotation results in a change of the
chamfer height by 3.0 mm (1/8").
Remove max. 3.0 mm per cutting operation.
Create larger chamfer heights in several
cutting operations. Do not exceed the maximum
permitted chamfer height (see chapter Technical
Specifications).
3. Carry out trial cut.
8. Use
8.1
Switching On and Off
Always guide the machine with both hands.
Switch on first, then guide the accessory
towards the workpiece.
Avoid unintentional start-up of the machine:
always switch off the machine, if the plug is
pulled from the mains socket or if there was a power
cut / if the battery pack was removed from the
machine.
In continuous operation, the machine
continues running if it is forced out of your
hands. Therefore, always hold the machine with
both hands using the handles provided, stand
securely and concentrate.
Avoid the machine swirling up or taking in dust
and chips. After switching off the machine,
only place it down when the motor has come to a
standstill.
Machines with slide switch:
Switching on: Push the sliding switch (5) forward.
For continuous activation, now tilt downwards until
it engages.
Switching off: Press the rear end of the slide
switch (5) and release it.
8.2
Working Directions
The speed can be preset via the thumb-wheel (7)
and is infinitely variable.
Positions 1-6 correspond approximately to the
following no-load speeds:
18
5
I
0
KFM 9-3 RF:
1 ........ 4500 / min
2 ........ 6200 / min
3 ........ 8100 / min
15
KFMVB 18 LTX BL 4 RF:
1 ........ 4000 / min
2 ........ 4900 / min
3 ........ 5800 / min
The VC electronics make material-compatible work
possible and an almost constant speed, even under
load.
Speed recommendations for different materials:
Aluminium, copper, brass.............................. 4-6
Steel up to 400 N/mm2.................................. 4-6
Steel up to 600 N/mm2.................................. 3-5
Steel up to 900 N/mm2.................................. 2-4
Stainless steel ............................................... 1-3
The best way to determine the ideal setting is
through a practical trial.
8.3
Working Directions
Note: When machining thin sheet metal (>=0.7mm)
attach the butting ring (depending on design
variant, order no.: 3.16.06.608.0). Read the
operating instructions supplied with the butting ring.
1. Check indexable inserts (22). Change damaged
or worn indexable inserts.
2. Set the chamfer height (see section 7.2).
3. Always hold the machine with both hands on the
intended handles, take a secure stance and
concentrate on the work.
4. First switch on, then place the machine with the
support surface (19) onto the workpiece and
only then put the tool close to the workpiece.
5. When cutting, always work against the run of the
disc (see illustration). Otherwise there is the risk
of kickback. Cut with moderate material feed
adapted to the material to be processed or
selected speed. If the selected speed is too low
and / or if the material feed is too high, strong
vibrations can be caused (at the machine). Do
not tilt, apply excessive force or sway from side
to side.
6. Guide the machine in such a way that the parallel
guide (18) is in contact with the workpiece. If you
work without parallel guide: Guide the machine
in such a way that the ball-bearing stationary
seal ring (21) is in contact with the workpiece.
7. To finish work: Remove the tool from the
workpiece, switch off machine. Let motor come
to a stop, put down machine.
4........9500 / min
5........10800 / min
6........11500 / min
4........6750 / min
5........7650 / min
6........8600 / min
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