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LMT wanted to continue using waterborne coatings. As with all —_ existing waterborne electrostatic systems, caging was necessary to - ensure operators remained at a safe - distance from the charged equip- ment. Calling on Nordson for some assistance, the company learned of the voltage-block process and the advantages of the new Iso-Flo system. Convinced Nordson had the solution they needed, LMT agreed to be a prototype installation for the new technology. A Nordson automatic Iso-Flo voltage-block system, which eliminates the need for caging of any electrostatically charged equipment, was installed in April 1991. The complete coating operational cycle—racking, four-stage pre- Components can be customized to fit a customer's specific materials handling requirements treatment wash, drying, coating, to accommodate literally thousands of products. baking and unloading—takes 25 to 30 minutes. At present, the line The patented LMT has realized a 30 to 40 percent moves along the overhead conveyor BENEFITS Nordson paint savings with the Nordson at 20 feet per minute. The com- system and anticipates a payback onents are mounted at an angle Iso-Flo system has eliminated the P g extensive caging typically wired of 12 to 18 months. Overall, the on the overhead conveyor to ensure g gyp y re q company has been able to coat 325 that all of the pre-treatment wash's for waterborne electrostatic systems. to 520 square feet per gallon of coat- moisture can drain off properly so And, it has helped LMT apply a ing (from 200 square feet using the as not to hamper final finish quality. uniform film build of 1-1.5 mils (from previous system), and has increased 1-5.0 mils previously) to realize a lines speed 20 ercent. The "vista green" and "safety signal significant reduction in paint usage. P P orange" baking enamels used by " Furthermore, the new Nordson LMT are manufactured by Precision Nordson is the leader in painting system has cut paint waste by Technical Coatings Corp. and have systems technology. We did some 40 percent, for reduced disposal a VOC range of .81 to .83 lbs. per inquiries on systems from other 9 P costs and even greater savings. gallon, respectively. The are companies, but only Nordson had 9 P Y• Y And because LMT is operating heated with a drum heater to main- the answers,"said Allen Gross, Lodi significantly below EPA and local tain ambient temperature and then Metal Tech. president. air pollution control district require- pumped into the Iso-Flo system. "The Nordson Iso-Flo system has ments, the company has the Because the components are taken away a lot of the guesswork capability to grow and expand its heated prior to coating, water in and time spent getting into an iso- production and painting operations the coating vaporizes when it hits lated system, as well as eliminated well into the future. the heated metal surfaces and the a lot of the mechanical problems "It has been, and continues to be, coating quickly dries. Color change associated with interlocks and aros erous relationshipfor both with the Nordson system does not circuits," said Rick Wood, main- p p require a complete shutdown of tenance supervisor. "And it's easy companies," added Rick Wood. the operation, saving LMT valuable to maintain.' As Lodi Metal Tech. heads into the on-line production time. And LMT customers have noticed a future, Nordson is leading the way. difference—improved product For more information on the Nordson quality, glossiness and a more RA-12 or the use of the Iso-Flo voltage- uniform film. "They've commented block system for improved efficiency in that paint quality is better,"stated your liquid coating operations, talk with Allen Gross. your Nordson representative or call The invaluable feedback Lodi Metal (800)955-9563. Tech. has provided throughout the initial start-up phase of the Iso-Flo system has contributed to several � I design and operational improve- ments for enhanced system performance. No son" "We have had very good rapport with Nordson personnel," remarked Dalton Bietz, plant manager. "I can't LMT daily coats up to 2000 component say enough about the help we Liquid Systems Group received from them." 555 Jackson Street parts, varying in size from eight to 30 feet P.O. Box 151,Amherst,Ohio 44001 long. i._Nordson Corporation 1992 LOR-92-107 Issued 3/92 Printed in U.S.A. f