1 Function and identification
1.1 Function
Automatic spray guns are used for
n
automatic coating/marking of surfaces
n
Dosing of fluids
n
Placement of adhesive or marking points
Typical spray media are paints, dyes, adhesives, glazes, enamels, release agents, etc.
The spray medium is fed into the automatic spray gun under pressure. The pressure is typically
generated by pumps or pressure containers. The automatic spray gun is controlled via com-
pressed air.
For precision control of the automatic spray gun, electrically-activated solenoid valves can be
used.
The spray medium is atomised using compressed air. The geometry of the spray jet and the
sprayed quantity of the spray medium can be adjusted using the following measures:
n
Selection of air and material nozzle
n
Change of atomiser air pressure
n
Changing the spray medium pressure
n
Adjustment of the needle stroke on the regulator of the automatic spray gun
Optional equipment:
Automatic spray gun:
n
Main element (stainless steel or aluminium, chemically nickel-plated, PTFE-coated)
n
Needle stroke adjustment
n
Circulation connection
n
Double controller (interruption of the material supply through spring force or pneumatically)
n
Nozzle fixing (
Chapter 6.5 ‘Nozzle fixing (optional)’ on page 20
)
Adapter:
n
Connections: From below or behind (the connections can be made using nipples, screw-type
or plug connectors of different sizes)
n
Fastening: Clamp or screw-type fastening of the adapter
Automatic spray gun RA 5
ENGLISH
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200-0321
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200-0323
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200-0324
GB–5
Summary of Contents for RA 5
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