Carlisle Ransburg DynaFlow 77376, Руководство по обслуживанию, Страница: 29 / 96

OPERATION
OVERVIEW
This section will acquaint you with the general operation of the
DynaFlow Fluid Flow Controller. The following information
describing CHANNELs, GUNs and PARAMETERS
summarize the three main features that form the basis of
the fluid flow controller.
CHANNELs
A CHANNEL consists of an electrical-to-pneumatic (E/P)
transducer, a material regulator and a fluid flow meter
combination through which a single material is controlled.
One or two CHANNELs may be configured for each GUN.
Two-component systems (sometimes referred to as 2K
systems) have two CHANNELs assigned to a single GUN.
Single-component systems (sometimes referred to as 1K
systems) have only one CHANNEL assigned to a single
GUN.
Each DynaFlow control system has up to 8 CHANNELs
available that can be configured to suit the application. For
example, you can use 4 CHANNELs assigned to 2 GUNs
to spray 2 dual component paints on automatic machines,
and 2 CHANNELs assigned to 1 GUN to spray one dual
component paint with a manual hand spray GUN.
Please note that most GUN parameters also apply to
single-component control as well. The CHANNEL that
has the greatest flow rate in two-component systems is
typically called the Master CHANNEL. A CHANNEL cannot
be assigned to more than one GUN.
GUNs
A GUN represents a single applicator through which one
or two materials are delivered.
If you are using single-component coatings, the DynaFlow
controller can support 8 separate single CHANNEL GUNs
operating simultaneously. If you are using two-component
materials, then 4 separate 2-CHANNEL GUNs operating
simultaneously can be supported. Adjacent CHANNELs (1
& 2, 3 & 4, 5 & 6, and 7 & 8) can be linked together, using 1
of 8 GUNs, to control the flow and mixing regulation of two-
component materials. A GUN configured for two-component
operation can also operate in single-component control
mode by setting the ratio to 99, or higher.
Three Component (3-K) Operation
DynaFlow was designed for either single or two-component
operation. Three-component operation is possible by
configuring two, two-component, guns. The first Gun is
set up as follows:
Gun 1 =
Master Channel =
Material = Resin
Flow Controller = Color Change Value (CCV)
Flow Meter = Standard Gear-Type
Slave Channel =
Material = 2
nd
Component
Flow Controller = MVR, with appropriate size needle
Flow Meter = Piston or Gear-Type, depending on min/
max flow rates (see Notes 4 and 5)
Operating Mode = Manual
The output of the first Gun is then fed into the Master
Channel input of the second Gun. The second Gun is
setup as follows:
Gun 2 =
Master Channel =
Material = Output of Gun 1 (Resin + 2
nd
Component)
Flow Controller = Color Change Value (CCV) (see
Notes 1, 2, and 3)
Flow Meter = Gear-Type
Slave Channel =
Material = 3
rd
Component
Flow Controller = MVR, with appropriate size needle
Flow Meter = Piston or Gear-Type, depending on min/
max flow rates (see Notes 4 and 5)
Operating Mode = Manual or Auto (see Notes 1, 2,
and 3)
NOTES:
1. If the output of Gun 2 supplies one or more hand guns,
then Gun 2 should be operated in Manual mode using a
CCV for the Master Channel flow controller.
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OPERATION