© 2021 Nordson Corporation
2-2
Introduction
cont...
Both HDLV transfer pumps deliver the powder to the vibratory sieve, where it is
conditioned before delivery to the powder spray guns. The sieve is equipped with a 20
mesh ultrasonic sieve screen. Other screen sizes are available as an option.
The color change operation is partially automatic. At the start of a color change, the
lances are raised out of the powder source so they can be removed from the feed center.
Then, when the operator initiates the gun purge, the lances are automatically lowered
onto a purge manifold assembly and clamped in place. High-pressure purge air is then
pulsed through the lances, in-line powder feed pumps, hoses, and guns to clean them
of powder. The reclaim and virgin HDLV transfer pumps are purged manually when the
operator is ready.
The Encore XL Powder Feed Center has an integrated air extraction system that provides
a constant airflow through the feed center enclosure, preventing powder from escaping
into the spray room. The extraction system includes an exhaust fan, 3 cartridge filters, 3
pulse valves and controls, and final filters.
Components List
Standard Components
See Figure 2-2. The feed center consists of the following components:
• Enclosure
• Control cabinet for pneumatic and electrical controls
• LED lighting
• Lance lift assembly with locking lift cylinder
•
2−4 lance assemblies, each holding 1−9 in-line pumps (36 pumps total)
•
Lance-mounted fluidizing bars for use with powder boxes
• Lance-mounted level sensors for feed hopper and box
• Lance-mounted suction tube holders for Prodigy
®
or Encore
®
manual guns
• High pressure purge manifolds, one per lance, with air cylinder clamping mechanism
•
Square or rectangular fluidized feed hoppers
• Vibratory table for powder boxes
• Vibratory sieve
• Exhaust fan
•
Cartridge filters
• Pulse valves
•
Final filters
Optional Component List
Optional components include:
• Ultrasonic sieve screens
• HDLV virgin powder bulk feed system
Содержание Encore XL Powder
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