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In our last video, "Roughness and Waviness," we looked at how to separate longer wavelength "waviness" from short-wavelength "roughness." In "Bandpass Waviness" we go a step further and also separate waviness from the long-wavelength "form" shapes. Making this distinction lets us target the waviness features that could matter most to you. For example, if you are trying to create a sealing surface, controlling the waviness-related lumps or bumps may be your biggest challenge. One surprising upshot of controlling these features separately: the added controls may actually let you loosen tolerances on the long wavelength form as a result.

Our joint article with Michigan Metrology, "Hidden Waviness: When Measuring Roughness Cannot Solve Quality Challenges," appears in the June 2020 issue of Quality Magazine.

In the June edition we show you how to use a penny to compare the capabilities of measurement systems. We look at the relative size of high-resolution areal (3D) measurements versus typical profile (2D) traces (you may be surprised). We also talk about how custom solutions can outperform off-the-shelf options for many production tasks. And, we introduce you to some new productivity tools in our OmniSurf3D software that may make your job easier.

Accurately assessing wear is critical for designing surfaces in contact. Unfortunately, mistakes are common when it comes to assessing actual wear depth. This article presents fundamentals and practical tools for exploring and assessing surfaces at various stages of wear.  You can read our article on advanced wear assessment in Metrology News, Sept. 23, 2019.

For surface texture measurements to be most effective, results must predict functionality. Morphological filters allow us to quantify functions such as appearance, sealing ability, and wear resistance. Read our article on this topic that appeared in Aerospace Manufacturing and Design Magazine, July 2019.

Digital Metrology has released Bandify and Bandify3D multi-band surface texture analysis software, which let you instantly analyze surface texture in individual spatial wavelength bands.

Digital Metrology Solutions is celebrating its twentieth anniversary as a provider of metrology software, measurement consulting and measurement training.

Check out the OmniSurf3D press release highlighting the capabilities of this powerful, yet easy to use and affordable software package. Visualize and explore 3D surface texture like never before.

When you are faced with difficult process and product problems, you can leverage decades of measurement expertise through our metrology consulting services. We work directly with your team to address issues of measurement uncertainty, geometrical specification, compliance, calibration and out-of-tolerance related manufacturing issues. Not only will we help solve the problem, but we can develop production-ready measurement systems to monitor and control the results.

OmniRound allows you to explore your roundness/flatness/runout data – right from your desktop. OmniRound acts as a geometry analysis “toolbox” giving you the tools to analyze datafrom a variety of instruments, and to apply the latest metrology tools.