Digital Metrology Notepad Series - Average Roughness (RA)

So many variables. What do these numbers and symbols mean on the drawing? Yes, I said drawing. I am that old. This video describes what “Ra” means in a practical sense.
Dec 02, 2020

By: DigitalMetrology

November 18, 2020

So many variables. What do these numbers and symbols mean on the drawing? Yes, I said drawing. I am that old. This video describes what “Ra” means in a practical sense. 


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By External Contributor | Nov 05, 2020

Grinding jobs requires strict tolerances. On grinding machines, the tolerances for the dimensions, form and position of finishing processes run tight, and in many cases, shops check these specifications against hard data. Part processing time increases...

3 min