The GD&T Blog

If you are a regular user of GD&T, you probably know that the ASME standard was recently revised (for details, see the blog entry below dated March 28, 2009).   In today’s column, I’d like to introduce you to one of the changes.
 
The term “maximum material condition” or MMC has been around for a long […]

In a GD&T class, I often talk about (and sketch) how a sample part can be held in a fixture — this helps people understand the concept of datums, particularly if datum targets are involved.
This does not imply that an inspector must use a customized fixture to check a part. I refer […]