Advertisement Feature Valves


nology for continuous operation at speeds of up to 500 cycles/second. The PICO xMOD can produce deposits as small as 0.5 nanoliters, at high produc- tion speeds, with deposit accuracy and process control. The non-contact jet valve makes it possible to apply fluid in hard to access areas or onto uneven or delicate substrates for applications in electronics, automotive, life sci- ences, solar and a range of other indus- trial dispensing applications. All five major xMOD valve compo- nents - the Piezo Actuator (PA), the Valve Seat (VS), the Fluid Body (FB), the Cartridge ball/stem assembly (CR), and Heater Set (HS) - are fully interchangeable and easily assem- bled for each specific application and quickly disassembled for easy clean- ing, repair, or maintenance. Each part can be removed and exchanged in seconds, eliminating production down-time and significantly increas- ing productivity.


“Our new PICO xMOD offers the only tool-free release and installation of the Valve Seat assembly,” explained Claude Bergeron, product line man- ager, Nordson EFD. “Wetted parts are conveniently and quickly exchanged and serviced. If a part fails, just the worn part needs changing, eliminating the expense of a whole new valve assembly. The ability to swap one xMOD component part for another lets the manufacturer toggle between dif- ferent applications and fluids, offers flexibility, makes a significant reduc- tion in production down-time, and saves time and money.”


High speed customised jet valves N


Nordson EFD, a Nordson company, has introduced the PICO xMOD Valve, a new, fully exchangeable and modular concept in non-contact and contact needle dispensing of assembly fluids


ordson EFD’s PICO xMOD valve system technology uses high-tech, robust, durable piezoelectric actuation tech-


speed and deposit spacing are criti- cal. Because the substrate (the needle) is so small, jet valves are better for needle bonding than tradi- tional needle-based valves because jet valves provide greater precision and control, smaller center-to-center


spacing and faster speeds. ●


Modular valves allow the quick


change of wetted parts to fresh, clean components, allowing you to resume production more quickly and effi- ciently. This lowers your maintenance


A mounted modular valve can be reconfigured without completely removing it from the production line, which is especially beneficial in con- tract and low volume/high mix manu- facturing, where application needs change frequently.


costs and reduces critical down-time. ●


Above: Nordson EFD’s PICO xMOD Exchangeable/ Modular Dispensing Valve improves productivity and reduces cost


Increasing application versatility Each EFD PICO xMOD component can


be individually selected to


Below: the PICO xMOD valve’s exchangeable


modular technology allows for a high level of


customisation


accommodate particular fluids and applications. All the components are engineered to work together as a complete, integrated system that pro- duces fast, accurate deposits of a wide range of fluids. If you are considering jetting tech- nology for an application but still need the ability to apply needle-based pat- terns or the flexibility to dispense a range of materials for different appli- cations, look for systems that incorpo- rate modular valves that can be configured for both.


Because modular jet valves can be configured for contact jetting or non- contact dispensing, and also for heated or non-heated applications, a high speed jetting system that uses modular jet valves provides several


additional advantages. ●


The variety of fluids and fluid vis- cosities that can be dispensed is greatly increased. A modular jet valve system can apply a variety of fluids such as underfill epoxies, surface mount adhe- sives (SMAs), encapsulants, conformal coating, UV adhesives, and electrically conductive adhesives, as well as some


The variety of applications in which the system can be used is greatly increased. For example, the same production line that is used to apply adhesive to test strips could be quickly and easily reconfigured for a needle bonding application, in which


filled materials. ●


24


Industries and applications Wireless and display ●


pads, and display edge sealing). ●


Electronics ●


UV cure adhesives for bonding (camera modules, keypads, microspeakers, touch


Hydrophobic fluids for protective treatments.


UV adhesives on mobile speaker


membranes. ●


Fluxes and conformal coatings. ● COG (chip on glass) and TAB sealing.


Life sciences/medical devices ●


●


Automotive ●


Adhesives for bonding needles to hubs.


Bonding of disposable medical device components.


Oil and grease dispensing on electri- cal connectors, gears and other small


part assemblies. ●


UV adhesive to bond automotive electronic components. Nordson EFD’s PICO xMOD uses the same precision and high quality parts as all Nordson EFD’s PICO valves, maintaining the same high level of dis- pensing repeatability and precision, while also adding the various benefits of modular exchangeability. You can see Nordson EFD products and equipment for precise fluid dis- pensing at Southern Manufacturing, FIVE,


with ink. ●


Farnborough, February - stand M85.


Nordson EFD www.nordsonefd.com T: 01582 666 334


12th-13th Marking and colour coding of parts


Enter 230 JANUARY 2014 Automation


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