Posts tagged as:

root sum square

Thumbnail image for statistical tolerance analysis basics: Root Sum Square (RSS)

statistical tolerance analysis basics: Root Sum Square (RSS)

mechanical engineering

In my last post on worst-case tolerance analysis I concluded with the fact that the worst-case method, although extremely safe, is also extremely expensive. Allow me to elaborate, then offer a resolution in the form of statistical tolerance analysis. cost A worst-case tolerance analysis is great to make sure that your parts will always fit, but [...]

Tagged as: example, manufacturing, root sum square, RSS, rss tolerance stackup, rss tolerancing, spc, statistical tolerance analysis, tolerance analysis fundamentals

click to continue…
Thumbnail image for statistical tolerance analysis basics: <br/>worst-case tolerance analysis

statistical tolerance analysis basics:
worst-case tolerance analysis

mechanical engineering

fair warning: if you’ve never heard the phrase “tolerance analysis”, you’ll likely never have to perform it and should just spend the next 5 minutes elsewhere. Otherwise… A well-performed tolerance analysis will add years to your life. No worrying about parts fitting together, no worries about sloppy fits.  A well-done tolerance analysis both proves the [...]

Tagged as: example, root sum square, stackup, tolerance analysis, tolerance analysis fundamentals, worst-case tolerance analysis

click to continue…