First off, thank you to everyone for replying to my question.
Yeah, I ran into the problems in calculating the stresses because of the thread geometry and it sounds like there is no easy solution to get an accurate stress calculation in this situation. I did try an adapter setup to relieve the...
The boss is just a cast boss, I'm not sure if I am using that term correctly, it is an outlet of a diaphragm pump that has a machined NPT thread in it. When a fitting is inserted into the outlet, it will occasionally crack the housing.
The part is a very complicated die cast part, and the boss that the NPT's mate to is the last area to see material. I tested these and found that there is a high variability in the strength of the material in boss. I wanted to get some sort of correlation between turns of an NPT to hoop...
Hello All:
The application is screwing a NPT fitting into a boss on a cast pressure vessel. The fitting is sometimes cracking the boss during installation, and I would like to 1: Calculate the hoop stress from the NPT and 2: Be able to control the strength of the material at the boss to prevent...
