I agree. And even the threading dial is not strictly necessary. It doesn't work anyway, for some small group of threads. (I forget the rules offhand, but ISTR you can't use it for Whitworth threads.
I totally agree, it can be done. I think the original post was "they just chucked a new piece in and cut new threads" and my intent was to suggest why it would might be quicker to just start over. Ar
Arvid, Sorry for any confusion. In my original post I was just trying to point out that with using today's cnc equipment, it was faster for the shop to make a new part than fix the first one. With no
My recollection is that for ANY thred you can re-engage the nut on the same point that you were on the dial (eg if you were first engaged on 1 - you can always re-engage on 1). Certain threads can th
You got me wondering, so I looked it up. On a lathe with Imperial threads on the leadscrew, engaging on 1 works for any thread that has an integer number of threads in 2 (or 4 for some lathes) inche