False failure rate reduced with AOI in electronics plant

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An electronics company has reduced false fails and improved quality, throughput and reliability of its manufacturing process by upgrading its inspection equipment. TT electronics has installed two Nordson Yestech FX in-line AOI systems at its Rogerstone, South Wales plant.

The FX machine’s OCR, pattern matching, accuracy of component value capture and recognition of manufacturers’ logos contribute to efficiency in fault capture as well as reducing the number of false fails. Checking of component orientation is also an improvement from the previous system. Inspecting large boards such as backplanes for 19-inch rack applications becomes more efficient, as the entire board can be captured in a single image.

With the previous system, TT electronics had a false failure rate of around three per board; the Yestech system has now reduced these to a level that complies with TT’s manufacturing environment, with a related increase in productivity.

Inspection at Rogerstone takes place within a cellular architecture, in which output from four production lines can be directed through either of the two Yestech AOI cells.

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