______HSD Technological equipment for Automation _____________________________________
5801H0017 Rev. 02 _________________________________________________________ 36/98
7.7.3 Automatic cleaning of the tool holder and internal pressurization
The tool holder cone and its conical housing in the spindle shaft are automatically cleaned by the
air purge during the tool change phase.
This prevents dirt from building up on the mating surface. The condition of the surface should
nevertheless be regularly checked as described in section 12.1 on scheduled maintenance.
The pneumatic circuit for internal pressurization prevents dirt from entering the electro-spindle.
This system is fed at 4 bar (58 PSI). Waste air is exhausted through the forward facing labyrinth
ports in the spindle nose.
Compressed air at 4 bar (58 PSI) must always be delivered to the electro-
spindle even when it is not operating.
7.7.4 Proximity sensors
Sensor type: PNP proximity; NO (Normally Open)
Voltage 10 - 30 V (DC)
Maximum load 200 mA
No-load consumption < 10 mA
Rated read distance 0.8 MM
7.7.5 Tool release button
Push-button specifications Lamp specifications
Rated voltage (DC) 24 V Rated voltage (DC) 24 V
Maximum current 100 mA Rated power 0.7 W
Rated current 29 mA
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