Rolling Threads
Rolling Threads
(OP)
Hi there. I hope this is in the right section, whilst having been involved in engineering since school (I am now 25) I was never majorly involved in precision engineering, hence the questions.
I am looking to make some 7/16 studs from EN24, they are different lengths but roughly between 3" and 4" long, with over an inch of thread on each end, UNC and UNF.
Basically, what machinery would I be best to use, I have a manual Colchester Triumph lathe in the workshop but as I will be after a quantity of a hundred or so at a time I believe it would not be efficient to consider using it.
All options and opinions welcome!
p.s. they will also be heat treated to V grade, though I need to do my research on hardnesses etc as I am very green to it.
I am looking to make some 7/16 studs from EN24, they are different lengths but roughly between 3" and 4" long, with over an inch of thread on each end, UNC and UNF.
Basically, what machinery would I be best to use, I have a manual Colchester Triumph lathe in the workshop but as I will be after a quantity of a hundred or so at a time I believe it would not be efficient to consider using it.
All options and opinions welcome!
p.s. they will also be heat treated to V grade, though I need to do my research on hardnesses etc as I am very green to it.





RE: Rolling Threads
http://www.kinefac.com/
Adriaan.
I am an Engineer/part time student (Mechatronics) from South Africa.
Advice from lecturer: "Be warned - when you go into industry your boss will give you a thousand things to do and he wants them done yesterday!" So far he is right...
RE: Rolling Threads
RE: Rolling Threads
Just had a look at the kinefac website and it is most impressive! What would the likelihood be of finding a used machine for rolling the threads myself, and what should I look for? I know I won't be able to afford full cnc, manual is fine as long as setup time is minimal between operations.
RE: Rolling Threads
For 100 pcs:
1. Purchase 100+ pcs of heat treated EN24 cond. V (145 ksi) cold-rolled 7/16" bar stock cut to length.
2. Machine the stud blanks yourself on your lathe with the correct end diameters needed for thread rolling. 145ksi steel is still soft enough to thread roll.
3. Send the 100 blanks (plus a few spares) to your local thread roller.
Good luck.
Terry
RE: Rolling Threads
RE: Rolling Threads
RE: Rolling Threads
http://www
RE: Rolling Threads