Air/Vacuum System Components - Stratasys Fortus 380mc Operation And Maintenance Manual

AIR/VACUUM SYSTEM COMPONENTS

The system integrates two individual air systems; vacuum and compressed dried air. The vacuum system is
used in securing the part build sheet to the vacuum platen. The dried air system provides a positive air pressure
environment to the filament feed path in order to minimize material moisture absorption. Both vacuum and
compressed air configurations utilize a ¼ HP rocking piston motor configured for a 120 VAC input. Although the
vacuum and compressor motors are essentially identical units, they are uniquely plumbed and are not
interchangeable.
The vacuum system consists of a vacuum motor, indicator gauge, sensor, 10 µM particulate filter and
associated tubing. The nominal vacuum level with a build sheet in place is between 18-22Hg. The vacuum
sensor interfaces with the MIO board and registers a loss of vacuum error at levels of 10Hg or less.
The dried air system consists of a compressor motor, indicator gauge, pressure regulator, air dryer, 5 µM
particulate filter, coalescing filter, flow control and sensor. Nominal system air pressure is set for 60 psi as
controlled by the regulator. The regenerative air dryer employs dual desiccant chambers controlled by a +24
VDC solid state timer having a 30 second switching interval. The pressure sensor interfaces with the MIO board
and registers an air pressure loss error at levels of 30 psi or less. Airflow control is provided by a 0.010" orifice at
the outlet of a particulate filter assembly.
Vacuum Gauge
Vacuum
Present Sensor
120 VAC
Vacuum Motor
Orifice
Particulate Filter
Pressure Gauge
Dryer
Pressure Sensor
Inlet Filter
Vacuum
Cooling Coil
Vacuum Filter
.010 Orifice
Cooling Coil
Particulate Filter
Pressure Regulator
Coalescing Filter
Compressor Motor
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