metaltech
Hot Rolled
- Joined
- Feb 7, 2007
- Location
- midcoast U.S.A.
I've been asked to assist with the set-up of a job on a CNC lathe to cut female threads in a piece of steel tubing. I was given a hand-drawn "print" with basic dimensions, but not enough on the thread. The thread is tapered, has round crests and roots, 10 threads/inch. The notation that points to the thread says "1.315 x 10NU". The part itself is called a collar, and connects long pieces of pipe that go down into the ground. (At least these people call it a collar. I've also come across the terms pin and box, but I don't know if these are just oilfield terms for the male pipe and female coupling.)
I need to know several things:
1) taper angle
2) how to check the thread - does someone make guages?
3) what tooling company makes a good threading bar and inserts? I assume a topping-type insert is needed.
I looked on the API website and found that they offer a few billion publications for the oil industry! I found a listing for threading tubing products, but it's well over $100 for 48 pages, and I don't even know if it's what I need. I only want the specs for one thread. Does anyone know of other sources for this info?
I've put all the time I can afford into searching the PM website and not come up with my answer (maybe I don't know how to search properly). So, I'm appealing to all you smart types out there. Thanks for your help!!
metaltech
I need to know several things:
1) taper angle
2) how to check the thread - does someone make guages?
3) what tooling company makes a good threading bar and inserts? I assume a topping-type insert is needed.
I looked on the API website and found that they offer a few billion publications for the oil industry! I found a listing for threading tubing products, but it's well over $100 for 48 pages, and I don't even know if it's what I need. I only want the specs for one thread. Does anyone know of other sources for this info?
I've put all the time I can afford into searching the PM website and not come up with my answer (maybe I don't know how to search properly). So, I'm appealing to all you smart types out there. Thanks for your help!!
metaltech