Nordson Corp.’s Encore porcelain enamel (PE) guns and Encore PE pump are designed to improve operating efficiency in porcelain enamel coating operations. The Encore guns and pumps incorporate the designs and performance of their predecessors, the Versa-Spray PE guns and Nordson 100 Plus PE pump, but offer enhanced versatility, efficiency and coating performance, the company says.
Encore PE guns are available in manual and automatic configurations. Both feature a 100-kV voltage multiplier for maximum first-pass transfer efficiency, which is a significant increase for the manual gun over previous-generation models. In addition, a positively retained deflector and locking pattern adjustment sleeve ensures consistent, repeatable spray performance. An electrode air wash also helps keep the gun-charging electrode clean, maintaining maximum electrostatic charging efficiency. This also helps prevent agglomerated powder from disturbing the spray pattern, or dislodging and inadvertently being applied to the part, causing possible surface finish defects.
Other enhanced gun features include an adjustable mounting bracket that enables automatic gun positioning from 90-degrees up (from parallel to gun bar) to 90-degrees down, to efficiently coat the tops and bottoms of parts; parts commonality between automatic and manual guns to ensure consistency and minimize replacement parts inventory; optional straight and angled flat-spray nozzles and ion collector to meet various application needs; and a choice of gun controllers with digital, closed-loop pneumatic control.
The Encore PE Pump is said to deliver as much as 30 percent more powder at comparable compressed air settings compared with the Nordson 100 Plus PE pump, resulting in decreased compressed air consumption.
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