Tool Change Of The Adjustable Groove Cutter (Special Accessories) - Mafell NFU 50 Traduction De La Notice D'emploi Originale

replaced. The adjustable groove cutter (optional
accessories) 30 (Fig. 5) is equipped with 12 carbide
indexable cutting inserts 32.
Only the screws and indexable cutting inserts
provided for this purpose by MAFELL may be used.

Remove the tool from the machine (see 4.3 Tool
change, page 27).

Loosen the countersunk screws on the tool with
the wrench included in the supply.

Clean all parts and cutter chambers of the tool.

Turn the carbide indexable cutting inserts or
replace them with new carbide indexable cutting
inserts after they have been turned three times.

Fasten the turned or new indexable cutting
inserts with the countersunk screws and
retighten the screws with the torx screw driver
22 (Fig 7) with 4 Nm.
Aluminium tools may only be
deresinified with solvents which do
not corrode the aluminium.

Re-install the tool (see 4.3 Tool change, page
27).
4.5 Tool change of the adjustable groove cutter
(special accessories)
Danger
The maximum permissible speed
(indicated on the tool) must not be
exceeded!
The operating speed must not
exceed the maximum speed
indicated on the tool.
Pay attention to the correct
direction of rotation!
Clamp the tool so that it cannot
become loose during operation.
The tightening torque must be at
least 20 Nm.
The blades must touch neither
each other nor the clamping
pieces.
Pay attention to cleanliness when
changing tools. The clamping
surfaces must be free of dirt.
Check the tool clamping at regular
intervals

Pull the plug before changing tools.

Put down the machine as shown in Figure 11.

Lock the tool with position indicator 29. Position
the position indicator 29 in Pos. A (Fig. 11).

Use the hexagon screw driver 23 to unscrew the
cylinder head screw 15 counter clockwise;
detach flange 33 and the adjustable groove
cutter 30.

Clean the tool spindle and clamping surfaces of
adhering chips and dust. Attach the tool. When
doing so ensure that both drive pins on the
spindle engage in both bores on the tool. If any
dirt gets between the components or if the
components are not correctly fitted, there is a
risk that the adjustable groove cutter 30 may
come loose during machining despite this
procedure.

Lock the tool with position indicator 29. Position
the position indicator 29 in Pos. B (Fig. 11).
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