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monitor the quality of machining in a very quick and statistically valid
way with the 3D optical metrology system.
AI: What makes 3D optical profiling different from other
metrology techniques?
Munch: Firstly, it is a non-contact technique providing
accessibility, accurate nanometer level results and a complete picture
of the surface topography. We are able to access areas on complex
parts that cannot be reached with contact techniques like CMM.
Optical interferometry is not limited by probe size or position either.
Not to be confused with optical comparators, optical interferometers
offer accurate quantitative values for roughness, texturing and wear
along with the conventional 2D measurements. Most contact 2D
techniques are slow for the amount of data they produce. However,
they certainly have their established place on the production floor.
We see optical interferometry as a complimentary tool providing a
faster, very specific analysis to the metrology repertoire.
AI: How does white light optical profiling, and in particular
the NPFLEX system, address the critical metrology needs
of automotive component manufacturers?
ABOVE: Veeco’s NPFLEX system utilizes a unique swiveling
optical head and long working distance objectives to
analyze areas that are difficult to access, such as engine
bores, gear teeth, and turbine blades (shown here).
LEFT: The NPFLEX system addresses the market’s need for
an open-architecture metrology tool that has the capability
to fully investigate large samples. Here, the NPFLEX
system analyzes an engine block deck surface and cylinder
crosshatch texture to verify machining specifications.
Munch: Historically, optical interferometry has been restricted
to the surface analysis of small parts which placed great limitations
on the automotive and aerospace industries. The NPFLEX system
provides the solution with an open worktable and adjustable optical
head that is flexible for most form factor parts. Creating room for
larger components has opened the flood gate of ideas on how and
where to use optical interferometry in a machining environment.
AI: What are some of the products/technologies Veeco is
working on for the auto industry?
Munch: The NPFLEX 3D metrology system is the foundation
from which other products will develop with targeted applications
for the automotive industry.
Veeco is constantly investigating the needs of precision
machining customers to find opportunities where its technical
developments will intersect with industry needs.
Veeco is listening to diverse voices within the automotive industry
– from the small auto shop to global automobile manufacturers.
All are looking for clear, concise solutions that will make them
more appealing to their customers. Over the next year, Veeco will
respond to these requests as it rolls out a series of solutions. AI
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