--- Allen Messer <al_messer@xxxxxxxxx> wrote: > Patrick, I have only done it a few times when > cutting > internal threads when I could not observe the tool. > I > was cutting some .750" x 14 55 degree Whitworth threads and > used > this method on this one off job. > > Question: doesn't your lathe have a threading dial > mounted on the saddle that engages the feed screw? > This is what I always use whether threading > internally > or externally---always engage the half nuts when the > same number comes up to the "mark", dis-engage at > the > end of the cut, wind out the cross feed about a > hundred thou, crank the carriage back to the end of > the job, advance the crossfeed screw to Zero, > advance > the compoound feed a few thou, wait for the right > number to come up to the mark and then engage the > half > nuts again. It takes longer to tell about it than > it > does to do it. > > Al > --- Patrick Coppens <develop@xxxxxxxxx> wrote: > > > Allen Messer wrote: > > > It is possible to so mount the threading tool > > whereby > > > the cut can be made FROM the shoulder TOWARD the > > > Tailstock, eliminating the possibility of a > crash. > > > > > > Al > > > --- Patrick Coppens <develop@xxxxxxxxx> wrote: > > > > > > > > Allan, > > > > This is true, and I have done that in the past, on > > repeat jobs, but it > > is a bit "of a to do" if it is only for one piece, > > don't you think so? > > > > Patrick > > MODEL ENGINEERING DISCUSSION LIST. > > > > To UNSUBSCRIBE from this list, send a blank email > > to, > > modeleng-request@xxxxxxxxxxxxx with the word > > "unsubscribe" in the subject line. > > > > > > > ____________________________________________________________________________________ > Be a better sports nut! Let your teams follow you > with Yahoo Mobile. Try it now. > http://mobile.yahoo.com/sports;_ylt=At9_qDKvtAbMuh1G1SQtBI7ntAcJ > MODEL ENGINEERING DISCUSSION LIST. > > To UNSUBSCRIBE from this list, send a blank email > to, > modeleng-request@xxxxxxxxxxxxx with the word > "unsubscribe" in the subject line. > ____________________________________________________________________________________ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.