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Nordson Asymtek Adds RFID to Its Industrial Fluid Dispensers
The company is offering an RFID-enabled version of its Genius Jet system, designed to ensure that the correct cartridge is being employed to apply the proper amount of adhesive, filler, paint and other fluid for each job.
Apr 29, 2013—
Fluid-dispensing equipment company Nordson Asymtek is offering an RFID-enabled version of its Genius Jet fluid-dispensing cartridge that enables customers to automatically track and store the number of cycles that the cartridge has undergone. The technology also enables users to ensure that the correct cartridge is being used for a particular job. The solution consists of a passive high-frequency (HF) 13.56 MHz RFID tag embedded in each cartridge, a reader built into the dispensing equipment, and software in the equipment's processing system to interpret that read data.
Nordson Asymtek offers industrial fluid-dispensing solutions that allow users to eject fluids where necessary onto parts or products. For the past 20 years, the company has been providing machinery that applies fluids, such as liquid adhesives or protective coatings, to products that include circuit boards and semiconductor packages. Its NexJet system can deliver 300 shots of fluid in one second—an improvement of 50 percent over previous jets, the firm reports. The majority of its customers are in the electronics industry; initially, they comprised companies producing laptops and personal computers, but the technology is now being employed by smartphone companies to apply epoxy fill material around the processor chip in the phone, in order to protect the electrical components.
An RFID-enabled version of its Genius Jet cartridge contains a passive HF 13.56 MHz Datalogic RFID tag (made with an Infineon Technologies chip compliant with the ISO 15693 standard). The cartridge's tag is read by a Balluff RFID reader incorporated into the dispenser machinery (or robot), to ensure that the cartridge has sufficient remaining use life for the job at hand, and that it is the cartridge designed for that process. The dispensing robot includes a reservoir filled with whichever fluid that needs to be dispensed, along with a pump-like mechanism for delivering that fluid to the cartridge.
Because fluids can affect cartridge quality and dispensing machinery operation over time, the cartridges must be cleaned periodically, in order to ensure that they will continue operating properly. In the traditional jet system, this requires dissembling eight to 10 parts by hand, and cleaning them individually before the equipment is reassembled. This manual process can take considerable time, and because manufacturers typically operate many systems at a single manufacturing site, they need to undergo the disassembly and cleaning processes fairly frequently.
The RFID-enabled version of the NexJet solution allows users to install a disposable jet cartridge into the dispenser equipment. This cartridge can be reused a specific number of times, but requires a much simpler and faster cleaning and maintenance process, since the NexJet cartridge is a single-piece closed chamber that can not be disassembled. Rather, to maintain the NexJet cartridge, a machine operator can remove the single-piece assembly, place it in a cleaner and then reinstall it. This, says Dan Ashley, Nordson Asymtek's market specialist, "makes it much, much easier to use."
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