Unpacking The Unit; Connecting The Unit; Milling Cutters - ALFRA KFH 250 Manual De Instrucciones

Unpacking the Unit

Ensure that the packing is undamaged and inspect for transport damage. If you find transport damage, inform the
transport company immediately. The transport company is liable for any damage incurred during transport.

Connecting the unit

The unit is supplied ready for operation. You can work with the unit immediately after inserting a suitable carbide
milling cutter.
Electrical connection 230 V ~ 6A 50/60 Hz
When changing the tool and fitting accessories, always pull out the mains plug
Attention:
in order to avoid accidents.
Always read the operation manual before using the device for the first time!

Milling Cutters

The unit is designed so that milling cutters conforming to DIN 6527 with a length of 85 mm and Ø 12 mm can be
used.
Select the appropriate milling cutter on the basis of the material being worked. See our range.
Use only solid-carbide milling cutters Ultra-fine-grain in premium quality. HSS-milling cutters are not appropriate.
Tip for use:
Shaft milling cutters of Ø 12 mm are frequently used in machine tools in many companies. This type of milling
cutter is often only worn at the front and can still be used in our KFH 250 unit on the longitudinal side. You save on
high tool costs.
Replacing Milling Tips
1) Pull out the mains plug.
2) Undo the motor holder's clamping screw using the supplied hexagon socket spanner.
3) Remove the drive motor. When doing this, do not tilt or use force.
4) Lock the milling spindle with an open-ended spanner and at the same time loosen the clamping nut with the
other open-ended spanner.
5) Remove the carbide milling tip. Caution: Risk of injury on the milling cutter cutting edges!
6) Insert a new milling tip – pay attention to the clamping length, see figure.
7) Tighten the clamping nut moderately.
8) Push the motor back into the cleaned retaining hole as far as it will go. Do not tilt.
9) Tighten the clamping screw moderately with the clamping screw.
Attention: Overtightening the clamping screw can damage the front bearing assembly in the drive motor.
Moving the milling cutter axially enables the entire cutting length of the tool's cutting edges to be
Tip:
utilised.
Clamping length of the milling cutter KFH 250
Utilising the unused part
of shaft milling cutters.
13