What Industries Use GD&T?

If you’ve spent any time around geometric tolerancing, you have probably heard it touted as the best thing to come along in mechanical design since the drafting board. And most of it’s true — GD&T  helps us communicate a product’s design in a big way. So it shouldn’t be surprising that most industries have adopted GD&T to some extent in their designs.

Here’s a short list of some of the industries that use GD&T regularly:

  • automotive
  • aerospace
  • medical devices
  • military hardware
  • household appliances
  • electronic components
  • even furniture…

I admit that I have been surprised a few times by working with clients in a sector where I probably wouldn’t have guessed that they use GD&T! It is interesting, as a GD&T consultant and trainer, to work with various groups and help them implement GD&T where others may not have bothered. A few of the more interesting clients that have worked with us manufacture things such as golf clubs, blenders, explosives, gas pump handles, and even municipal water supply mains (you should see the tolerancing on the huge water valves and bulkheads!).

You may have heard that GD&T is great for mass-produced parts (so a blender might need it) but not for low-volume or custom parts, such as a water main connection. But guess what: somebody still has to build the thing, and some form of tolerance is still needed! So kudos to those of you that want to design with GD&T; don’t let the fact that you’re making a non-traditional component stop you from taking advantage of the benefits of geometric tolerancing.

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