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Here is a link to a site with a decent thread milling calculator. ...
How do I thread mill a 1" NPTF thread on milling machine by fly cutter.
Vance ..... I mean WTF!
Is it me or you who is drunk!
Just how exactly do you interpret the OP's statement:
Or, did I miss something .....
Vance ..... I mean WTF!
Is it me or you who is drunk!
Just how exactly do you interpret the OP's statement:
Or, did I miss something .....
You may have missed an earlier thread where the OP asked about tapping a 1" NPT. When told that G84 was fine for tapping NPT, he responded that tapping was not really what he was trying to do. I then said he should start a new thread (this one) and ask about thread milling a 1" NPT. Between the 2 threads I suspected that English is not his primary language and he is probably having some trouble with translation of terminology.
@gregormarwick...
I have done threadmilling with a boring bar a couple times. It worked and for an emergency (coarser pitch than I had a proper thread mill for on hand) I was OK with it. Would not choose it as a standard practice though.
To use a single point tool like your fly cutter it would be best to use a macro program. Something like this....
Post | CNC training | CNC Concepts, Inc.
If you are only going to make one part I can see doing it that way. If you are making many parts then you should look into buying a 1" NPT thread mill. It will be much much faster.
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