May, 2021
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tion to production during the training and programming stage. The three systems were fully brought into production in February 2020, and the F1 systems were decommis- sioned.
“Over the years we have learned about
the benefits of using 2D AOI for post-reflow automated inspection. However, the limita- tions of that technology with false fails, and false positives due to lighting, camera, and processing capability required a human in- spector to review the assembly after the au- tomated inspection,” says Richard Lieske, manufacturing support manager at River- Side. “With the introduction of 3D AOI, we are able to use full 3D geometric information
to create programs that drive false fails and false positives to a level that makes the system much more accurate, faster and more reliable than a human in- spector.”
He explains that instead of an inspector sitting at the end of the SMT line, the company now has pass/fail magazine loaders that separate good and bad units. If a unit does happen to fail, the FX940 Ultra 3D triggers an alarm, and a process tech is called to intervene.
The process tech then evalu- ates the defect and looks back through the process to eliminate it from happening again, pushing the company to control up-line systems and continually drive de- fects down, which ultimately im- proves quality.
Lieske adds, “Full 3D analy- sis with the FX940 Ultra 3D also gives us a tool to analyze solder paste deposits, component and board feature dimensions, in- cluding board topography. Hav- ing this type of technology gives us the capability to capture data and images, that in some cases, has driven design changes back to the board level and made sig- nificant quality improvements.” In addition, the company purchased an Assure X-ray com- ponent counting system from DAGE, also part of Nordson ELECTRONICS SOLUTIONS, which arrived at the end of 2020. The goal for the Assure system is accurate control of floor stock. “The Assure system will com-
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plete the loop of smart shelving, and predic- tive reel changing for the pick-and-place sys- tem. The system will help us to keep from running short of parts and minimize down- time during reel changes,” says Lieske. In addition to technological advance- ments, YESTECH prides itself on providing quality customer service. RiverSide Integrat- ed Solutions has worked closely with many of the support staff at YESTECH, and Lieske adds that it has worked through some cus- tom feature requests.
Page 21
RiverSide Expands Factory-Wide MES with Nordson YESTECH Continued from previous page
lize AOI. With the upgraded system, we are able to develop what we call TOFU — “Touch Only Failed Units.” This system not only re- duces unnecessary handling of passed as- semblies, but also improves efficiencies and drives process improvement that ultimately results in better quality.” Contact: Nordson YESTECH, 2747 Loker
“We have accomplished much by imple- menting the FX940 Ultra 3D system,” Lieske concludes. “Our goal was not to just replace the 2D systems with another AOI system, but to fundamentally change the way we uti-
Avenue West, Carlsbad, CA 92010 760-918-8471 E-mail:
donald.miller@
nordsonyestech.com Web:
www.nordsonyestech.com and RiverSide Integrated Solutions, One Riverside Drive, Lewiston, MN 55952 507-523-3220 E-mail:
kwohletz@riversideintegrated.com Web:
www.riversideintegratedsolutions.com
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