More as an exercise than anything else, I'm thinking of making a dovetail cutter to be used on a project in my mill. Plan to make it out of water-hardening drill rod -- harden & temper it after making it.
I've forgotten where I got it, but the one photo shows the general idea. Seems to me that one could either put the drill rod into a spin indexer and mill out four flats (see drawing #1) OR one could put the rod on end, drill four holes in the end, then turn it down, exposing four cutting edges. One could even mill some relief on it (see drawing #3).
Has anyone here done this? or has anyone seen a write-up by someone who has done it? by the way, yes, that is a napkin on which I made my cheesy sketches . . .
I've forgotten where I got it, but the one photo shows the general idea. Seems to me that one could either put the drill rod into a spin indexer and mill out four flats (see drawing #1) OR one could put the rod on end, drill four holes in the end, then turn it down, exposing four cutting edges. One could even mill some relief on it (see drawing #3).
Has anyone here done this? or has anyone seen a write-up by someone who has done it? by the way, yes, that is a napkin on which I made my cheesy sketches . . .