George Lailey was the last English bowlturner who used a pole #lathe before Robin Wood revived the craft.
on 02025-02-22Robin Wood is the #lathe bowlturner who revived the craft in the UK after seeing photos of a guy who died in 01958.
on 02025-02-22#video on #Grandpa-Amu #bootstrapping a pedal-driven wood #lathe, including a three-jaw chuck consisting of three bolts in a piece of wood with captive nuts. Also demonstrates bow drill, the kind of workbench you sit on, etc. Rather than using a pole for the return spring he cuts a piece from a bicycle inner tube.
on 02025-02-22#video of #machining a bronze part for an eccentric drive mechanism on a manual #lathe and milling machine. He spends 20+ minutes getting it set up in the right position. Lots of time spent on workholding, dimension transfer with adjustable parallels, centering, indicating, deburring, that kind of thing. The author, Tom Lipton, talks slowly and clearly enough that you can play the videos at 2× with no problem.
on 02015-11-22Dan #Gelbart explains how his micron-precision metal-#machining #lathe gets its positioning accuracy.
on 02015-08-16Discussion of #Gelbart’s very impressive #machining #lathe on HN.
on 02015-08-11a 1-micron precision #lathe for #machining, by Dan Gelbart.
on 02015-08-10