Smooth Plywood Cuts with CNC Equipment
You should be cutting at 18,000 rpms and climb cutting. With that small of a diameter and with a down shear, the chips are not going to evacuate, thus they are being recut. If you can't use an upshear, try a straight flute solid carbide. We cut 12 mil and 15 mil Baltic at 500 inches/minute using a 3/8" down spiral (57-325 Onsrud Cutter) at ...