MFK 1 Cutter for cast iron • Tough edge with low cutting forces enable stable machining. • Uses 10-edge inserts for economical machining. Low cutting forces prevent chattering Low cutting forces with helical cutting edge design. Cutting force comparison (In-house evaluation) Resultantforce forcein inradial radialdirection direction Resultant 3,000 3,000 1,000 1,000 2,500 2,500 2,000 2,000 1,500 1,500 1,000 1,000 500 500 Resultantforce forcein inaxial axialdirection direction Resultant Cutting Cutting force force (N) (N) Cutting Cutting force force (N) (N) 7% % 7 800 800 600 600 400 400 200 200 16% % 16 A.R. Max. +15° 00 MFK Competitor MFK CompetitorA A 00 MFK Competitor MFK CompetitorBB Cutting conditions: Vc = 180 m/min, fz = 0.3 mm/t, ap × ae = 3.0 × 62 mm, dry Workpiece: GGG60, ø125 2 Tough and reliable insert construction prevents fracturing Tough and reliable dual angle edge design. Fracture resistance comparison (In-house evaluation) CA420M MFK PR1510 Second main cutting edge First main cutting edge Competitor C (CVD) Competitor D (CVD) 0 5 10 25 % Cutting time (min) 15 20 25 Cutting conditions: Vc = 300 m/min, fz = 0.5 mm/t, ap = 2.0 mm, wet Workpiece: Nodular cast iron (4 bores) Burr comparison Surface finish comparison (In-house evaluation) Sharp cutting prevents burr formation MFK Chattering creates poor surface Competitor F Burr MFK Cutting conditions: Vc = 180 m/min, fz = 0.3 mm/t, ap × ae = 3 × 78 mm, dry Workpiece:GGG60 Competitor E Cutting direction 1
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