Основной каталог Kyocera 2021 - 2022 - страница 151

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φ68 φ76 φ120 φ72 φ76 φ80 φ20 φ60 CBN & PCD Tools CBN Lineup Negative inserts Case studies 20Cr4 (58HRC) 15CrMo (55HRC) 4 2 50 • Gear • Stator• External , facing & chamfering• Boring C • Vc = 130 m/min • Vc = 170 m/min • ap = 0.6 mm • ap = 0.4 mm • f = 0.12 mm/rev • f = 0.1 mm/rev • Wet • Wet • CNGA120408S01225ME (KBN05M) • CNGA120408S01225ME (KBN05M) KBN05M 300 pcs/edge KBN05M 600 pcs/edge Competitor C 200 pcs/edge Competitor D 300 pcs/edge • KBN05M achieved 1.5 times longer tool life than competitor C. • KBN05M achieved twise longer tool life than competitor D. • Its longer tool life contributes to cost-cutting. • Its longer tool life contributes to cost-cutting. Evaluation by the user Evaluation by the user 20Cr4 (58HRC) Chromium steel (61~65HRC) 40 • Pulley • Gear • Facing (Continuous) • External & facing (Interrupted) • Vc = 120 m/min • Vc = 120 m/min • ap = 0.15 ~ 0.2 mm • ap = 0.15 mm • f = 0.24 mm/rev • f = 0.1~0.15 mm/rev (External) • Wet • Wet • DNGA120408S00545MEP (KBN05M) • CNGA120408S04030MEH (KBN05M) KBN05M-MEP(Edge preperation: 0.05 × 45˚) 150 pcs/edge KBN05M-MEH(Edge preperation: 0.40 × 30˚) 150 pcs/edge KBN05M-ME(Edge preperation: 0.12 × 25˚) 100 pcs/edge Competitor F 100 pcs/edge Competitor E 100 pcs/edge • Compared to competitor F, KBN05M-MEH type (Edge prep.: 0.40 × 30° chamfered + R honed) achieved 1.5 times longer tool life. • Tool life of KBN05M-ME type (Edge prep.: 0.12 × 25° chamfered + R honed) is same as comp. E’s. • No chipping in interrupted machining, and improved productivity. Competitor F’s cutting edge got many chipping. • KBN05M-MEP (Edge prep.: 0.05 × 45° chamfered + R honed) type achieved 1.5 times longer • Feed rate could be increased from 0.15 to 0.25 mm/rev in facing. tool life, preventing crater wear. • Achieved cycle time and cost reduction. Evaluation by the user KBN05M-MEP KBN05M-ME Competitor E Evaluation by the user 20CrMo5 (60HRC) 20CrMo5 (58HRC) 40 • Gear • Sleeve • Facing (Interrupted) • Boring (Heavy interruption) • Vc = 90 m/min • Vc = 100 m/min • ap = 0.5 mm • ap = 0.5 mm • f = 0.12 mm/rev • f = 0.1 mm/rev • Wet » Dry • Wet • CNGA120412S01225ME (KBN25M) • TPGB110308S01035MET (KBN35M) KBN25M 70 pcs/edge KBN35M 115 pcs/edge Competitor G 30 pcs/edge (Unstable) Competitor H 100 pcs/edge KBN25M improved tool life up to 70 pieces/edge, two times more than competitor's G (CBN tool). • KBN35M achieved 15% Longer tool life in heavy interrupted machining compared with competitor H. Also, KBN25M has increased its tool life up to 250 pieces/edge by hanging from wet machining to • Furthermore it still keeps the insert in a good condition and so provides stable machining result. dry machining. • Its longer tool life and capability of providing stable result can contribute to cost-cutting and improved efficiency in machining. Evaluation by the user Evaluation by the user C5