VHF S2 Mode D'emploi D'origine page 26

Running the machine: Synchronous spindle SFS 300P
5.3
WARNING
NOTICE
5.4
CAUTION
HInt
Important
26
Synchronous spindle SFS 300P
For the operation, installation and maintenance of the spindle follow the
regulations for safety at work. Improper handling or operations differing
from the intended use of the machine greatly reduce the safety of usage!
The synchronous spindle SFS 300P is a high precision device that may never
be subject to any form of raw force like strikes!
Keep in mind that the values for the immersion depth and the feed rate are
not too high during operation. This can lead to damage of the blanks and
tilting of the tool. By that the spindle can take irreparable damages. If you
work with the DentalCAM software, the software automatically calculates
the optimal parameters.
Do not use unbalanced tools (single tooth cutters, gravers) at high rotation-
al speeds. Such an imbalance puts a great strain on the ball bearings of the
spindle, by that the bearings can get damaged.
Tools
Never touch a tool at the tip. Otherwise cutting injuries may occur.
Usage of original tools is recommended, since the tools are designed by vhf
especially for the machine and the designated milling operation.
The tools used for cobalt-chrome blanks are shorter than tools for other materi-
als. Therefore only cobalt-chrome blanks with a thickness of maximal 18 mm
can be used on the machine!
If you should use tools from other manufacturers, please regard the following
specifications.
Only tools with a shank diameter of 3 mm and a total length of up to 40 mm
may be used. For storing the tool in the tool magazine an unmachined shank
with a length of at least 7 mm is required. The clamping length in the collet
chuck should be between 13 and 14 mm.
Original Instructions: S2 Impression
Document version: F – 07/2019