In-Line Web-Based Measurement
& Process Control Systems

Through continued investment in research and development, strategic partnerships and open architecture solutions, INDEV-ACT is now one of the top In-Line Web Based Measurement Control Companies in North America.

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An automotive paint has to withstand a whole lot: stone-chips, frost or heat. Complicated multi-layer coatings and lacquers on plastic push the measuring technologies to its limits. Many industries tend to ultimately make it doable to measure several layers of paint irrespective on the substrate – non-destructively; thus, the use of terahertz coating measurement. This is the reason the coatings have turn out to be so elaborate.

These days at the very least 4 unique layers are applied to car or truck bodies. Having said that, a lot of car or truck components are created of plastic, and until now, the paint in these places could only be tested by making use of destructive techniques. With terahertz technologies, we can now make it probable to measure a number of layers of paint on either metal or plastic substrates – non-destructively.

To make sure that a coating will effectively fulfill its function, it should be tested very carefully. Only then can an automotive manufacturer, by way of example, assure that the paint finish will final for the whole life of your auto when only expending as a lot material as genuinely required. Modern day top quality assurance is thus faced together with the activity of precisely measuring several layers of paint.

Standard auto paint finishes consist of many insulating layers, which as however could only be measured individually employing destructive approaches. Moreover, other substrates are also used in: coating of your toaster for the healthcare devices identified in operating rooms, a lot of plastic components are coated with multiplex paints. To date, terahertz coating measurement has only been doable to analyze such finishes destroying them using a wedge reduction force.

However, industries are creating a technologies to ultimately close this gap. For the very first time ever, terahertz (THz) coating measurement radiation will make it attainable to inspect multi-layer coating systems with­out damaging them – even after they are on plastic substrates. This approach is known as terahertz Time Domain Spectroscopy or TDS.

The terahertz radiation in use right here is produced up of electro-mag­netic waves with frequencies ranging among one hundred GHz and four THz. That suggests: shorter than microwaves but longer than light waves. Only lately effective emitters and detectors for this frequency variety have come to be accessible.

The particular function of terahertz coating measurement radiation is the fact that it penetrates several sorts of paints and coatings. The machine harnesses this transparency to measure the thickness of your layers. Comparable to measuring thickness with ultrasound, the THz radiation is partially reflected in the transitions in between layers: the “echoes” arrive in the detector having a slight delay. From this, the computer software can figure out the thickness of as much as 4 layers – the measurement itself requires only a second.

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