Press for making a tool green body having a helical flute, method for making a tool green body having a helical flute, and tool green body having a helical flute

摘要

A press (27) for making a tool green body (21) having a helical flute (23). The press (27) comprises a die (29) having an opening (31) with a helical protrusion (33); a punch (35) having a helical groove (37) having a shape that matches a shape of the helical protrusion (33); a drive system (39) arranged to simultaneously rotate, relative to a longitudinal axis of the opening (31) in the die (29), and axially advance, into and along a direction of the longitudinal axis of the opening (31) in the die (29), the punch (35). A method for making a tool green body having a helical flute, a tool green body having a helical flute, and a cutting tool are also disclosed.