Основной каталог Kyocera 2021 - 2022 - страница 676

For cast ironKM

Special chisel cutting edge design improves hole accuracy and tool life.

1 Chisel edge design for excellent hole accuracy when

machining cast iron

Improved centripetal force with special chisel design reduces hole diameter variation

during high-feed machining.

KK

Hole diameter variation related to feed rate (Internal evaluation) DRA (KM) Competitor L 0.02 DRA (KM) Variation from the hole diameter at f = 0.25 mm/rev Competitor L Competitor M 0.01

0

0.20 0.30 0.40 0.50 9.28 μm 13.27 μm

f (mm/rev) Cutting conditions: Vc = 100 m/min, f = 0.25 – 0.48 mm/rev Cutting conditions: Vc = 100 m/min, f = 0.25 mm/rev Drilling diameter ø14, L/D = 5, measurement position 5 mm, wet, Workpiece: 600-3 Drilling diameter ø14, L/D = 5, measurement position 5 mm, wet, workpiece: 600-3 2 Fracture resistance

Large corner chamfer prevents fracturing and provides stable machining at high-feed and high load

machining.