Metrology Matters: 2D and 3D Surface Parameters – Should You Stick to the Typical Results?

This episode of Metrology Matters features two bona fide experts in the field in Digital Metrology’s Dr. Mark Mulberg and Musolff Consulting’s Carl Musolff – and they’ve got front-line insights to share about getting the most out of 2D and 3D surface parameter measurements.

Currently, designers and companies specify surface texture parameters in a multitude of ways, though a common method is to leverage older, similar designs and modify as necessary based on more demanding environments, etc. However, this is often an inexact science – and a headache-inducing one.

Though the most expensive option, testing is the most accurate method for determining what works and what doesn’t. Measuring a part, putting it through rigors similar to what it will actually undergo on the job, and measuring again is really the only surefire way to get the clearest picture of its performance.

Another key consideration that Malburg said is often overlooked is waviness – in fact, he said a colleague calls it “the hidden killer.”

The trio continued to explore best practices and innovations in surface metrology, diving into why the shape of a surface is more important than its roughness, the importance of interacting with a surface and learning how its shape can impact its function, and why appreciating a surface visually helps you appreciate and understand its many critical attributes.

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