2 Available for a variety of machining applications and environments 1 Solutions for 90° end mills (Rough to medium-finish machining) High feed rates dramatically improve machining efficiency Machining efficiency simulation example Pocketing: Vc = 150 m/min, ae = 12.5 mm MFH Boost ø 25 (3 Inserts) 100 cc/min ap = 2.0 mm, fz = 0.7 mm/t Conventional 90 ° end mill ø 25 (3 Inserts) 54 cc/min ap = 5.0 mm, fz = 0.15 mm/t Machining ef f iciency x 1.8 Depth of cut ap (mm) 7.0 6.0 5.0 90° End mill BT50 4.0 3.0 2.0 MFH Boost 1.0 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 fz (mm/t) High efficiency and good tool life Machining efficiency and cutting edge condition comparison (Internal evaluation) Cutting edge condition after 100 min machining MFH Boost ap = 1.6 mm, fz = 0.6 mm/t Competitor A 90° end mill ap = 5.0 mm, fz = 0.15 mm/t High stability in unstable machining environment Chatter resistance comparison (Internal evaluation) Slotting ø 25 (3 Inserts) External air C50 BT50 Video Overhang length 60 mm Flank wear (mm) Cutting force (N) Tool life 0.08 0.06 0.04 0.02 MFH Boost Competitor A Machining efficiency x1.3 Good cutting edge condition After machining 100 min After machining 100 min 0.00 0 500 1,000 1,500 2,000 2,500 Metal removal volume (cc) Efficiency Vc = 150 m/min, ae = 12.5 mm, dry, 42CrMo4, ø 25 (1 Insert) BT50 Machining efficiency MFH Boost 103 cc/min Vc = 120 m/min, ap = 1.5 mm, fz = 0.6 mm/t Machining ef f iciency x 4.5 Competitor A 90 ° End Mill 31 cc/min Chattering (Machining was impossible) Vc = 80 m/min, ap = 2 mm, fz = 0.2 mm/t 23 cc/min Vc = 80 m/min, ap = 2 mm, fz = 0.15 mm/t High efficiency and stable machining designs Kyocera's original technology Convex cutting edge design reduces impact when entering workpiece Cutting force when entering workpiece (Internal evaluation) 3,500 MFH Boost 3,000 Competitor A 2,500 2,000 1,500 1,000 Smooth feeding 500 0 5 10 15 20 Cutting time (msec) [1msec = 1/1,000s] Vc = 150 m/min, ap = 2.0 mm, ae = 25 mm, fz = 0.7 mm/t, dry, C50, ø 50 (1 Insert), BT50 3
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