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HDS User Manual
(HTT06291133)
1.3.5 Tool Stand Diagram - Proper Placement
Read these instructions thoroughly BEFORE operating machine.
1.3.6 — HSD
Spindle Warmup
Read these instructions thoroughly BEFORE operating machine.
USE AND ADJUSTMENT
PREHEATING
HSD S.p.A. uses high-precision angular contact bearing pairs, pre-loaded and lubricated for life
with special grease for high speeds.
When the machine is switched on for the first time every day, allow the electrospindle to perform a
brief preheating cycle in order to allow the bearings to gradually attain a uniform operating
temperature, and hence to obtain a uniform expansion of the bearing races and the correct preload
and rigidity.
The following cycle is recommended, without machining operations:
50 % of the maximum rated speed for 2 minutes.
75 % of the maximum rated speed for 2 minutes.
100 % of the maximum rated speed for 1 minute.
The preheating cycle should also be performed every time that the machine is inoperative long
enough for the electrospindle to cool down to room temperature.
Only for HSK versions:
it is forbidden to run the electrospindle without the tool-holder inserted.
While the machine is operating, the spindle can reach high temperatures. Be very careful
not to touch it without due precautions.
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