Основной каталог Kyocera 2021 - 2022 - страница 329

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Surface wallSurface roughnessOscillator ywaveform Inside the workpiece Boring Introduction  Dynamic Bar The Dynamic Bar achieves superior chip evacuation Superior chip evacuation (External coolant) Dynamic Bar Competitor A Competitor B In the products of competitor A and B chips remain inside the workpiece, but chips from the Dynamic Bar are all evacuated from the workpiece. F Chip evacuation direction Comparison of pocket length Chip evacuation direction Pocket length SCLC(P) type STLB(P) type Pocket length (mm) Description Dynamic Bar Competitor A A16-SCLPR09-18 type 37 29 A20-SCLCR09-22 type 48 32 Better evacuation by backward chip flow High rigidity and chattering resistance are ensured by using a special alloy and with help of stress analysis technology. Comparison of vibration tendency Comparison of surface finish （L/D） Vibration of the Dynamic Bar was minimal even at high cutting speeds, enabling stable machining. Dynamic Bar Competitor A Competitor B Cutting conditions 5.5 5.0 SCM415 5 4.5 Vc=210m/minap=0.5mm f=0.1mm/rev 4 A16Q-SCLPR09-18 type CPMT090304XP (PV7020) 3 L/D=4 External coolant 2 1 Ra = 0.4 µm Ra = 0.6 µm Ra = 3.4 µm Direction of vibration Rz = 2.3 µm Rz = 3.6 µm Rz = 14.0 µm measurement Dynamic barAE typeCompetitor ACompetitor B Maximum toolholder overhang length (L/D) Cutting conditions SCM415 f = 0.1 mm/rev Vc = 150 m/min S16-SCLPR09 type ap = 0.5 mm CPMH090304L-Y F3