Operation
10
309403R
Orbital Dispenser Operation
The PrecisionSwirl orbital dispenser is calibrated to run
from 6600-24,000 RPM maximum, in either automatic or
manual control mode.
The orbital dispenser, regardless of the nozzle size,
swirls material in a continuous path, over contours,
curves, and corners in a consistent bead when the con-
trol assembly and dispense valve are configured and
adjusted correctly.
The nozzle does not rotate, but its orifice moves in a
small circle at high speed to dispense a smooth, neat,
consistent bead of concentric loops without dimples, air
pockets, depressions, or protuberances. Bead shape is
affected by nozzle size, material composition, material
pressure, and the distance from the nozzle to the sub-
strate.
The orbital dispenser motor must be turned on at least
one second before applying a bead to ensure peak effi-
ciency.
Whether the PrecisionSwirl orbital dispenser is con-
trolled in either the Automatic or Manual mode, material
cannot be applied from the orbital dispenser unless the
dispense valve is actuated by some other interface to
enable material flow.
To extend bearing life, the orbital dispenser motor must
not run continuously. Shutting off the motor after each
dispense cycle reduces bearing wear and minimizes
temperature rise. Running the motor at maximum RPM
for long periods of time will also reduce the orbital bear-
ing life.
Turn off the PrecisionSwirl orbital dispenser when the
unit is not being used. The material inside the orbital
dispenser may cure if the motor runs continuously
when the orbital dispenser is not being used.