I'm copying from a closed thread that ALMOST answers my question perfectly...
"weavedreamer (Automotive)14 Jul 15 13:10
Per ASME:
Flatness comes into play in with the "To or Thru Rule".
1) If the stack goes to a surface, the form of the surface must be accounted for in the stack.
2) If the...
Hi Fellas,
I went with the note, mainly because the Inspectors at my supplier, as well as my incoming at my factory are not very savvy on the subtleties.
THICKNESS VARIATION NOT
TO EXCEED .005" IN ANY
.250" X .250" AREA
This has been the case many times before, making the translation to the...
I have a plastic part which is injection molded, then subsequently R.F. Welded. One area of the part has fairly thin sections which is where the welding will eventually occur.
We call out a nominal thickness of .030" +/- .005"
The welding operation is not tolerant of SUDDEN changes in...