| 摘要 |
A milling cutter for performing plunge and face cutting operations on a workpiece with cutting inserts having different shapes is provided that comprises a plurality of cutting inserts having side and transverse cutting edges, the transverse cutting edges being of different shapes for different inserts, a cutter body having a plurality of recessed insert seats for securably receiving the inserts, including a top shoulder spaced apart from the transverse cutting edges of the inserts for allowing the insert seat to receive inserts having transverse edges of different shapes, and a support structure for preventing relative movement between the cutting inserts and their respective seats along the side and transverse insert edges. In the preferred embodiment, the support structure includes a rail-like projection extending out of the back face of the cutting inserts that is substantially parallel to the side cutting edges of the insert, and a complementarily-shaped slot in the bottom wall of the seat, in combination with a shoulder formed in the insert seat near but spaced apart from the top shoulder of the seat, and a complementary recess in the insert substantially parallel to its transverse cutting edges. |
