Installation
Item no. 10302070, Revision 10
22 ( 36 )
8.4
Compressed air
8.4.1
Air purity classes (ISO 8573-1)
Solid impurities
Class 3
Filter grade at least 5 µm for solids
Water content
Class 4
Max. pressure dew point +3 °C
Total oil content
Class 3
Max. oil content 1 mg/m
3
8.4.2
Setting the sealing air
For guidelines on air quality,
see "Air purity classes (ISO
8573-1)
" section.
The adjustment value for the sealing air depends on the hose diameter and
length.
Ü
Hose diameter: DN 4
Ü
The setting value can be found in the following diagram.
Ü
To ensure effective control, turn on the sealing air and cooling when turn-
ing on the machine. This protects the HF spindle even when it is stationary.
Lowest sealing air supply
Dry machining
Medium sealing air supply
Machining with spray water
Highest sealing air supply
Machining with hose water