Description
2-7
Part 1079832_04
E 2015 Nordson Corporation
Modules and Nozzles
High‐speed Universal spray applicators use Speed‐Coat control (dispensing)
modules with either a boosted or non‐boosted solenoid valve. Figure 2‐5
shows the Speed‐Coat control modules. An applicator may have one module
or many modules. All modules are normally closed, opening to dispense
adhesive only when module‐actuating air is supplied to them. When the
module‐actuating air is removed, the modules close, cutting off the adhesive
supply.
Adhesive exits the module through a nozzle. A variety of nozzle types and
sizes are available. In general, the type and size of the nozzle affects the
width and density of the adhesive pattern, the adhesive fiber size, and the
type of edge control.
Pattern air ported through the applicator body shapes or fiberizes the
adhesive depending on the type of nozzle installed on the module. For
example, when pattern air is blown through a CFnozzle, the adhesive exiting
the nozzle forms a spiral pattern. For information specific to the modules and
nozzles on your applicator, refer to Section 9, Module.
1 2
Figure 2-5 Speed-Coat control modules
1. Speed‐Coat control module with boosted
solenoid valve
2. Speed‐Coat control module
with non‐boosted solenoid
valve
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