5.9
Sealing
5.9.1
Sealing air
The motor spindle is protected by a labyrinth and sealing air against the ingress of foreign bodies such as chips and liquids.
The IP protection class of your spindle can only be achieved with connected sealing air and the required flow rate.
Protection class
IP55
Flow
Recommended
Min.
Max.
Air quality
ISO 8573-1:2010 [3:4:2] details see
Pressure
Flow rate 27 l/min@stp corresponds to approx. 0.8 bar when measured according to the following
structure:
5.9.2
Air-free sealing
The motor spindle is protected by a special labyrinth against the ingress of foreign bodies such as chips and liquid, without the need
for sealing air. The seal protects the motor spindle at standstill and under rotation.
Protection class
IP55
ATTENTION!
For wet milling some design rules must be obtained. Please ask your SycoTec contact person for "DESIGN
GUIDE AIR-FREE SEALING" document to ensure proper operation.
Limitations
Front area is protected against liquid and dust.
Please also observe the following flow chart: Switch-on cooling liquid after spindle is rotating and switch-off cooling liquid before
spindle comes to a standstill.
Speed
1
0
Cooling liquid
1
0
25-30 l/min@stp
8 l/min@stp
30 l/min@stp
A1 Air quality description
2 sec
IP 55
IP20
Back area is not protected against liquid and dust.
5 sec
2 sec
22 (EN)