i want to make a trumpet mouthpiece on a cnc lathe.
i will be thankfull if you could help me with information re the kind of cutting tools neede for the job (with cnc lathe).
the back bore is a conical hole, approx 60 mm long, with a diameter of 9.2mm in the opening and approx 4.5mm at the end of the hole(the angle is approx 2.2 degree). what kind of tool can make this deep conical hole????


thanks,
Eyal