Ransburg RMA-560 Single_Dual Purge Direct A13364 - Manual (Page 37)

As with any spray finishing system, operation of
the RMA-560 involves properly setting the oper-
ating parameters to obtain the best finish quali-
ty for the coating material being sprayed, while
maintaining correct operation and reliability of
the equipment used. Adjustments to operating
parameters, which cover spraying, cleaning,
and on/off control, include:
• Coating materials
• Fluid flow rate control
• Fluid valve control
• Turbine speed
• Bearing air adjustment
• Shaping air
• Brake air
• Electrostatic voltage
• Target distance
FLUID FLOW RATE CONTROL
Externally mounted fluid regulators or gear pumps
are typically used to control fluid flow. Paint is
supplied to the RMA-560 by way of the tubing
bundle through the robot arm.
The atomizer assembly is equipped with micro
valves which are pneumatically operated to direct
the flow of paint to either the feed tube or dump
line and to supply an intermittent solvent to clean
the interior and exterior of the bell cup.
The feed tube has several sized removable tips
available from .7mm - 1.6mm (.027– inch to .062-
inch). The viscosity and volume of the coating
material being sprayed determine the correct size
of feed tube tip for each installation. (Reference
“Fluid Tip Flow Rate” chart in the “Introduction”
section.)
Fluid Flow Rate Check
In the test mode, the flow rate can be measured
by removing the bell cup from the atomizer, turning
the fluid flow on, and capturing the material in a
graduated beaker or measuring cup for a fixed
period of time (shaping air, high voltage, and
turbine air must be off).
W A R N I N G
!
W A R N I N G
!
W A R N I N G
!
† Operators must be fully trained in safe
operation of electrostatic equipment. Oper-
ators must read all instructions and safety
precautions prior to using this equipment
(see NFPA-33).
† Electrical discharge of a high electrical
capacitance fluid/paint system can cause
fire or explosion with some materials. If
arcing occurs when a specific coating ma-
terial is used, turn the system off and veri-
fy that the fluid is non-flammable. In these
conditions the system is capable of releas-
ing sufficient electrical and thermal energy
to cause ignition of specific hazardous ma-
terials in the air.
† Danger of shock and/or personal in-
jury can occur. Proper grounding proce-
dures must be followed. Personnel must
never work around the turbine when the
turbine is spinning or when high voltage
is turned on.
OPERATION
RMA-560 Single/Dual Purge Direct Charge - Operation
Ransburg
LN-9278-13 34