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As we’re continuing to look back on our 30 years in surface texture measurement, we thought it would be interesting to look at how far measurement technology has come over

Don Cohen decribes Michigan Metrology’s contract measurement services, measurement consulting, and surface roughness/wear/tribology training classes. Learn how Michigan Metrology can help you solve issues related to leaks, squeaks, friction, wear,

The surface finish of castings can be as critical to quality as for any precision surface. Yet, finish requirements in the industry are often ill defined, loosely referencing RMS roughness

Most surface finish specifications for plastics refer to an SPI finish (SPI mold finish). These numbers refer to a standard set of finishes for injection molded parts set by the

Download this article as a PDF Companies regularly need to replace metal components with plastics for reasons of weight, cost, performance, corrosion, etc. Very often, however, when the material is

In plastic molding, parting lines can form on the component where portions of the mold meet imperfectly. These ridges and/or valleys may lead to several types of functional problems with

In the molding process, knit lines form where the material does not weld together seamlessly as it moves through the tooling. The cause may be related to the mold surface,

Michigan Metrology opened its doors in the Detroit area in 1994. I’d spent the previous several years working with the team at WYKO, developing the ”white light interferometry” technology that enables

Remembering the early days, Part 2 Michigan Metrology, LLC is approaching our 30th anniversary, and we’re taking a look back on some of the highlights of our history. In this

If you rely on average roughness (Ra) to control your surfaces, check out this short animation. It shows that very different surfaces can all have the same Ra value…and Ra