Inspection; Cleaning The Working Chamber And Measuring Key; Cleaning The Collet Chuck - VHF K4 edition Originalbetriebsanleitung

Machine maintenance and cleaning

6.3 Inspection

We recommend having a service technician perform an in-
spection regularly.
h In addition, have an inspection carried out whenever the
machine is being repaired.
6.4 Cleaning the working chamber and measuring
key
CAUTION
Breathing difficulties caused by processing dust
Processing dust that gets into your lungs can cause breathing
difficulties.
h Clean the machine only if the air extraction system is
properly installed and activated.
h Wear a face mask of class FFP2 during the entire clean-
ing.
NOTICE
Damaging of the linear guides or the spindle
when cleaning with compressed air
If you clean the working chamber with compressed air, mate-
rial chips can reach the linear guides or the spindle bearings.
h Clean the interior of the machine exclusively with a vac-
uum cleaner, a brush and a cloth and never with com-
pressed air.
M1. Have ready:
A vacuum cleaner
„
A dry cloth
„
A mild cleaner (optional)
„
A wet brush
„
M2. Switch on the machine and start DentalCNC.
S3. In the upper icon bar, click on the depicted
icon.
S4. Move the spindle to the cleaning position by
clicking on the depicted icon.
– The spindle will move to the cleaning position and the
sealing air will be activated.
M5. Open the working chamber door.
M6. Suck up the coarse dirt in the working chamber with
the vacuum cleaner.
M7. Clean the whole interior thoroughly with the dry cloth.
Use a mild cleaner if necessary.
M8. Thoroughly clean the blank holder including all screws,
pins and clamping mechanisms as well as all openings
from the processing dust.
24
M9. Clean the measuring key with a brush.
Fig. 22: Measuring key on top of the tool magazine (marked orange)
M10. Close the working chamber door of the machine.
S11.

6.5 Cleaning the collet chuck

Damaging of the spindle when cleaning with
compressed air
If you clean the collet chuck with compressed air, the spindle
bearings may get damaged.
h Clean the collet chuck exclusively with the appropriate
1
2
3
Fig. 23:
[1] Collet grease
[2] Knurled nut
[3] Collet chuck pin
[4] Cleaning brush
[5] Cleaning cone
M1. Open the working chamber door of the machine.
Original Operating Instructions: K4 edition
Document version: E – 02/2020
Move the spindle from the cleaning position
back to the default position by clicking the de-
picted icon.
NOTICE
service set.
Components of the spindle service set
5
4