I've actually done that when I worked in a machine shop. The machine needs to be locked into its lowest gear and isolated and the tool carefully set to centre height, but the job is quite straightforward. However, it's not as good as using a dedicated slotter, or a slotting attachment on a Bridgeport.
Paul B.
On Saturday 14 December 2024 at 11:03:08 GMT, Charles Kinzer <ckinzer@...> wrote:
I had seen more than once examples of making a keyway using a lathe like a shaper.? By traversing the carriage back and forth manually.
Found this video showing exactly that.
Charles E. "Chuck" Kinzer
On Saturday, December 14, 2024 at 02:16:15 AM PST, Peter Brooks via groups.io <peter@...> wrote:
Thanks Richard, and for the link.
?
The page on ¡®Involute Broaches¡¯ shows some tooling of triangular section, looks like that is likely.
?
Back and forth I guess, with a constant downward pressure. Which led me to look at ¡®broaching machines¡¯.
?
You learn something everyday. ¡®Life long learning¡¯, as they say.