We are designing a couple of parts which will thread into each other. The OD of the internal part is 8.75 inches. From I've seen, standard UN threads only go up to 4 inches maximum.
We need a thread with a nominal size of 8.75 inches, and a relatively fine pitch, say 16 threads per inch or more...
Hi, we're in the process of designing a single-story mezzanine which will support 3-4 components weighing up to 10,000 lb. each. I've attached a picture showing the framework we're using.
My question is regarding the columns. My supervisors want to use I-beam for the columns. But everything I'm...