Guys not knowing anything about cutters I was watch a Youtube on these 60* dovetail cutters.Does anyone have any experience with these cutters?
The one I got uses TPGB321 inserts. Because the cutter is going round and round the inside of a fairly small radius, it needs a lot of relief behind the cutting edges. The inserts in your pics appear to not have enough relief. Lathe inserts will NOT work for rotating cutters doing inside work.It would probably work well. I made one with a TCMT insert. His insert choice, with front clearance is better (I ended up grinding some front clearance). I was happy with the result, but the tool really hammers because of the long cutting edge. I probably should have used a larger shank (5/8") - but at the time, that was the largest collet that I had. The entire set up needs to be really solid.
Don't know. Randy only had one size when I bought mine three or four years ago. Mine uses a 3/8" inscribed circle insert, and has a 5/8" shank. Beautifully made...Thanks guys,one of my first projects that I want to try is tool holders for my QCTP.I was watching several Youtubes came across his video.So I need one for this project,I may pull the trigger and get a good quality cutter from Randy.Randy makes two sizes,Bob do you have both or small/large cutter?