For some drawings that I have been revising I have been trying to get away from re-inventing the screw and am just referring to ASME B18.3 (SHCS) for screw dimensions and tolerances when I can.
It was recently pointed out to me that ASME B18.3 requires the use of class 3A threads. This is a...
Looking some of our old drawings I keep seeing surfaces with a parellel requirement along with a flatnessness requirement of the same magnitude.
I was under the impression that parallelism already requires flatness to within the parallelism requirement, majking an additional flatness...
I am working with a fairly involved flow induced vibration test. The main component of the structure involves a high fluid (water) velocity down through (not around) an annulus. One of the first things we are seeing in the data is that the first few modes seem to move down in frequency as flow...
