1 Function and identification
1.1 Function
The mini spray gun MA-1 is used for:
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automatic coating/marking of surfaces
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dosing of fluids
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placement of adhesive or marking points
Typical spray fluids are paints, dyes, adhesives, glazes, enamels, release agents, etc.
The spray fluid is fed into the mini spray gun under pressure. This pressure is typically generated
by pumps or pressure containers. The mini spray gun is controlled via compressed air.
For the precise control of the automatic spray gun, for example electrically-activated solenoid
valves can be used. Switching times of 60 ms can be achieved this way.
Upon opening the control, the control piston charged with compressed air first opens the atomizer
air valve and then with a short delay the material nozzle of the mini spray gun. Upon closing the
control, first the material nozzle and then the atomizer air valve is closed in order to prevent a sub-
sequent dripping of the spray fluid.
The spray medium is atomized using compressed air. The geometry of the spray jet and the
sprayed quantity of the spray medium can be adjusted with the following measures:
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Selection of air and material nozzle
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Changing of atomizer air pressure
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Changing of spray medium pressure
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Adjustment of the needle stroke on the regulator of the mini spray gun (optional design)
All parts in contact with the coating material are made of stainless steel, the needle seals are made
of UHMW-PE or PTFE.
Mini spray gun MA-1
ENGLISH
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200-0345
GB–5
