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Latest Notepad Video: Specifying Waviness

The eighth video in the Notepad Series from Digital Metrology Solutions has been released.

If we are controlling things like sealing in gaskets, or noise in bearings and gears, the longer-wavelength waviness may be more important than the surface roughness. In the latest video we look at how we extract waviness from surface texture data, using a ‘cutoff wavelength’ to determine what will be called waviness and what will be called roughness. The video also show how to specify waviness on a drawing so that we can measure and control it in production.

“This video series is designed to introduce casual users to surface analysis. Many technicians, researchers and engineers rely on surface data but only have a passing knowledge of how to explore and understand a surface. Slides, equations, and theory can sometimes get in the way. Each of these videos presents a single topic in just a few minutes. We take a concept down to the level of a simple drawing in real time, which provides an incredibly effective path to understanding” comments Mark Malburg of Digital Metrology Solutions.

The Notepad Series departs from the typical web-based seminar content. “The Notepad Series flips this model upside down. The sessions are brief, informal, free, and there is no commitment or registration required for viewing.”

Malburg added that the videos serve as a catalyst for further training. “These videos elevate the basic knowledge level and make dedicated training/consulting more accessible and more effective.”

The Notepad Series videos are available at New videos follow every few weeks.