Insert rotary cutter.

摘要

An insert rotary cutter has a cutter body, at least one first cutter insert (30) and at least one second cutter insert (26) for cutting off burrs. The first cutter insert (30) has more than one main cutting edge (44) and end cutting edge (46). The second cutter insert (26) has more than one main cutting edge (40) and end cutting edge (38). The first (30) and second cutter inserts (26) are mounted on a forward end of the cutter body releasably. The second cutter insert (26) is disposed so that the main cutting edge (40) thereof has a negative corner angle and the end cutting edge (38) thereof is displaced radially inwardly and axially forwardly of the cutter body, with respect to the end cutting edge (46) of the first cutter insert (30).