Well I think thats pretty accurate for the most part, except they don't necessarily have MD's. But non technical people seem to have an undue amount of influence / power. We basically get direction from marketing. When I was in aerospace it was the engineers who ran the show period. The...
macduff and all;
Thanks for the input. It's really not worth the effort to do it manually, especially considering it wouldn't be appreciated in my current industry.
When revising a drawing with several changes under the same revision I would like to individualy nuber each change in the description section of the rev block.
It would look something like this
Rev | Description
--------------------
| 1. xxxxx
B | 2. xxxxx
| 3. xxxxx...
HCF usually > 10^7 or 10^6 cycles think vibrations rotations ect. Designed to Goodman Diagram stresses less than endurance limit
LCF usually < 10^6 cycles think about cyclic loading like the pressure cycle of a planes cabin. Designed to an LCF curve component life based on stress and cycles.