some close up-ish with slow mo... https://youtu.be/_S_bGAuTN0s
On Tue, Jul 14, 2020 at 3:13 AM andy pugh <[email protected]> wrote: > (Off topic, but interesting) > > On Tue, 14 Jul 2020 at 02:11, Gregg Eshelman via Emc-users > <[email protected]> wrote: > > > > Used to be mechanical drive attachments for some lathes to move the > cross slide in and out for cutting threads for taps. > > Yes, Holbrook used to offer a sub-speed head (clamped to the bed, > connected to the spindle, output a speed lower by a factor of 6 on a > coaxial secondary spindle nose) and a set of relieving equipment > (special top slide , back power shaft, sets of cams) > > A mesmerising device for other lathes was developed by the model > engineering community, the Eureka attachment. > https://www.youtube.com/watch?v=U_kqi3dqr50 > > It almost seems like a shame to do it with CNC now. > > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1912 > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
