Lead angle 0°/ 2° MFWN Applicable chipbreaker Chipbreaker Cutter type GM SM (GL) GH AM Coarse pitch (With shim) • • • • Fine pitch (Without shim) • • (Feed rate is recommended fz=0.3mm/t • or under) Extra fine pitch (Without shim) • • Not recommended Not recommended Vertical milling (Plunging) Cutting dia. Max. width of cut (ae) All items 8mm Cutter type and chipbreaker selection Cutter type Chipbreaker Milling purpose Coarse pitch Fine pitch Extra fine pitch GM SM GH GL AM General milling for steel and alloy steel • • Steel and alloy steel(At chattering due to low rigidity machine or poor clamping power)• • Productivity oriented (Running cost decrease)(ap=4 mm and over, fz=0.25 mm/t and over)• • Surface finish oriented • • • M General milling of stainless steelStainless steel(At chattering due to low rigidity machine or poor clamping power)•• •• Cast iron(For processing efficiency improvement) • • Cast iron(ap=4 mm and over, fz=0.25 mm/t and over) • • General milling of aluminum alloys • • Aluminum alloys(at chattering due to low rigidity machine or poor clamping power)• • Case studies FC300 500 Manganese Steel ・Machine part ・Construction machine part 300 ・Vc=170m/min ・Vc=150m/min ・apxae=2.5x130mm ・apxae=1x100mm ・fz=0.183mm/(t Vf=500mm/min) ・fz=0.2mm/(t Vf=668mm/min) ・Wet ・Dry ・MFWN90160R-8T (8 utes) ・MFWN90100R-7T (7 utes) ・WNMU080608EN-GM(PR1510) ・WNMU080608EN-GM(PR1525) PR1510 Chip evacuation rate = 163cc/min PR1525 Machining e ciency: 2 pcs/edge Competitor A(Positive cutter) Competitor BChip evacuation rate = 68cc/min(Negative cutter)(Vertical inserts)1 pc/edge Competitor A proceeded machining under low cutting conditions, as the workpiece Despite instability with the long overhang of the workpiece, MFWN doubled tool life, was slipping because of the unstable chucking. improving the e ciency by 150%. With MFWN, stable machining was possible at higher cutting conditions. (User evaluation) (User evaluation) M96 Milling 300