High-Performance Solid Carbide End Mills High-Performance Solid Carbide End Mills • Aluminium Application Data • Series 4979 Series 4979 Side Milling (A)and Slotting (B)uncoated Recommended feed per tooth (fz = mm/th) for side milling (A).For slotting (B), reduce fz by 20%. A B Cutting Speed — vcm/min D1 — Diameter Material Group ap ae ap min max mm 6,0 8,0 10,0 12,0 16,0 18,0 20,0 1 1,5 x D 0,5 x D 1xD 500 – 2000 fz 0,072 0,096 0,120 0,144 0,192 0,216 0,240 2 1,5 x D 0,5 x D 1xD 500 – 1500 fz 0,065 0,086 0,108 0,130 0,173 0,194 0,216 N 3 1,5 x D 0,5 x D 1xD 500 – 1500 fz 0,050 0,067 0,084 0,101 0,134 0,151 0,168 4 1,5 x D 0,5 x D 1xD 400 – 750 fz 0,058 0,077 0,096 0,115 0,154 0,173 0,192 5 1,5 x D 0,5 x D 1xD 250 – 1000 fz 0,065 0,086 0,108 0,130 0,173 0,194 0,216 NOTE: For cutting aluminium with high silicon, TiCN coating is recommended. Multiply ap for milling machine spindle with ceramic bearings by 0,5. Above parameters are based on ideal conditions. For smaller taper machining centres, please adjust parameters accordingly on diameters >12mm. Application Data • Series 49N9 Series 49N9 Side Milling (A)and Slotting (B)uncoated Recommended feed per tooth (fz = mm/th) for side milling (A).For slotting (B), reduce fz by 20%. A B Cutting Speed — vcm/min D1 — Diameter Material Group ap ae ap min max mm 6,0 8,0 10,0 12,0 16,0 18,0 20,0 1 1xD 0,5 x D 1xD 500 – 2000 fz 0,072 0,096 0,120 0,144 0,192 0,216 0,240 2 1xD 0,5 x D 1xD 500 – 1500 fz 0,065 0,086 0,108 0,130 0,173 0,194 0,216 N 3 1xD 0,5 x D 1xD 500 – 1500 fz 0,050 0,067 0,084 0,101 0,134 0,151 0,168 4 1xD 0,5 x D 1xD 400 – 750 fz 0,058 0,077 0,096 0,115 0,154 0,173 0,192 5 1xD 0,5 x D 1xD 250 – 1000 fz 0,065 0,086 0,108 0,130 0,173 0,194 0,216 NOTE: For cutting aluminium with high silicon, TiCN coating is recommended. Multiply ap for milling machine spindle with ceramic bearings by 0,5. Above parameters are based on ideal conditions. For smaller taper machining centres, please adjust parameters accordingly on diameters >12mm. O148 widia.com