DeanD3@, thank you for detailed reply. Let focus on Fig 6-52 first. Read your post least twice but still am not able to understand how this part can be inspected. Obviously, it will sit on a flat surface to establish datum C, then how to establish datum axis D for inspection? A dial...
I don't know if this has been discussed in this forum before. In Y14.5-1994 standard, Fig 6-51 and Fig 6-52 show features with runout tolerance that use themselves as datum. I couldn't find any explanation about how this will be checked or even the reason to justify this practice. Can anyone...
