Lead angle 0°/ 2° MEAS Reference data for ramping Cutter dia. DC (mm) 25 28 32 35 40 50 Max. ramping angleRMPX 20° 16° 12.5° 11° 8.5° 6° tan RMPX 0.363 0.287 0.221 0.194 0.149 0.105 Guide for ramping (Slant milling) L Ramping angle should be RMPX (Maximum ramping angle) or under in the above cutting conditions. Reduce recommended feed rate by 50% RMPX Formula of the cutting length ap“L” at Max. ramping angleL=tan RMPX ap Vertical milling (Plunging) * For vertical milling (plunging), reduce feed rate to fz=0.1mm/t or less. Insert description Max. width of cut(ae) KCGT13 type 8mm Helical milling M For helical milling, use between min. cutting dia. and max. cutting dia. Over max. cutting dia. Under min. cutting dia. Center core part remains after machining Center core part øDh (Machining dia.) interferes with toolholder Cutting direction DC (Cutting dia.) Description Min. cutting dia. Max. cutting dia. Maximum rampingdepth per cycle MEAS…13… 2×DC-16 2×DC-3 3.5 Unit: mm • Down-cut milling is recommended (refer to the figure above) • Feed rate should be under 50% of the recommended cutting conditions • Use caution to eliminate incidences caused by producing long chips M136 Milling