3D Measurement & 3D AOI

ISO-Spector 3D AOI

Mek ISO-Spector series delivers a genuine, FULL 3D inspection

3D measurement is the latest development trend in assembled PCB inspection. It’s creating quite a stir and it does indeed offer many advantages in terms of improved accuracy & stability of inspection results. Having quantitative data gives much tighter control than “classic” AOI and is a big step forward in improving the quality assurance and process control of assembled PCBs.

Unfortunately, the term ‘Full 3D’ is often used inaccurately. Full 3D implies that the height profile across the whole PCB is being measured, but most of the time, the majority of systems can only measure height selectively, and only on component bodies, NOT the solder joints. And even then, only the components that the programmer has specifically identified and selected for height measurement. For the remainder, classic 2D algorithms and lights are used for the inspection.

Our 3D AOI solution, the Mek ISO-Spector series delivers a genuine, Full 3D inspection that measures a complete height profile across the whole PCB, including the solder joints. As solder joints are shiny, as are some glass or cylindrical shaped components, it can be quite difficult to measure their heights because projected light beams reflect in all directions. But Mek has successfully overcome that challenge.

ISO-Spector uses dual, telecentric, violet color, almost vertical (80 degrees) laser projections and a specially developed 12 mega pixel capturing sensor that can measure 3D but also capture 2D images simultaneously. Its’ powerful software enables what is probably the fastest programming time in 3D AOI.

Compared to the PowerSpector selective 3D AOI systems, used by many Mek customers, the ISO-Spector is completely different from both a hardware and software point of view. But the PowerSpector range has also been greatly developed recently and latest generation models (GTAz) have 9 cameras (1 main and 8 side) and standard Z-Axis. The side cameras can be used for active inspection next to comfortable verification of defects. But the biggest feature is that the multiple cameras can be used for height measurement using the stereoscopic method on the bodies of passive components for coplanarity tests.

Which type of system is the best fit for you and your manufacturing facility is dependent on a number of factors. What sort of production is taking place? High mix/ low volume? Are you looking for an inline solution or desktop? What are the max PCB dimensions you are looking to work with?

We have demo ISO-Spector and PowerSpector units in our showroom in the Netherlands where interested customers are highly welcome as visitors. We’d love the opportunity to demonstrate their capabilities and help you in making the decision on what type of AOI you really need.

If you’d be interested in visiting, contact us today.

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Facing the Challenges of THT Inspection

SpectorBOX - bottom up AOI inspectionThe deployment of AOI technology for THT inspection has historically been restricted by a number of factors. These include the physical configuration of most wave and selective soldering lines, which do not lend themselves to conventionally designed AOI machines that are now popular in SMT flow lines. Product is processed in pallets moving on a continuous drive with automatic return on which the inspection must take place.
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Simultaneous Top & Bottom PCB inspection addresses growing new needs in electronic assembly.

SpectorBOX - bottom up AOI inspectionInline Bottom side PCB Inspection with up to 9 cameras, configurable to simultaneous Top & Bottom PCB inspection with up to 18 cameras addresses growing new needs in electronic assembly. 

Emerging trends in printed circuit board assembly, in particular high power automotive electronics, present an increasing requirement for automated inspection of THT.  Rework is increasingly forbidden, pressurizing selective and wave soldering yields, and making AOI the solution of choice.

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PKC Group purchases Mek AOI

Mek ( Marantz Electronics Ltd), has installed an iSpector AOI system within PKC Group in Finland.  In association with Mek partner, SMT House, the manufacturer recently commissioned an iSpector HDL350 at its Raahe site in Finland.

PKC designs and manufactures electrical distribution systems, wire & cables, wiring components and electronics predominantly for the commercial vehicle, automotive and electronics industries. With 19,759 employees globally the Group’s net sales amounted to EUR 928.2 million in 2012. The Electronics division,  headquartered in Raahe, offers flexible prototype and customised low volume, high mix production services.
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