Основной каталог Kyocera 2021 - 2022 - страница 796

Предыдущая страница Следующая страница

Навигация

Lead angle 45°/ 24°/ 20°Lead angle 45°/ 24°/ 20° MFK

High efficiency cast iron machiningMFK

10-edge pentagonal inserts for stable

and economical machining

MFK reduces cutting force by good balanced design

Excellent surface finish by controlling chattering

Surface finish comparison (Internal evaluation) Burr comparison (Internal evaluation)

MFK

Chattering occurred Burr Competitor B

MFK Competitor A

M Cutting direction Cutting conditions: Workpiece material: FCD600, Dry, V =180m/min, ap×ae=3×78mm, f =0.3mm/t Sharp cutting prevents burr formation C Z

Two special insert structures reduce cutting force and improve edge strength

1 Low cutting force with 2 Dual cutting edge design

helical cutting-edge design (High toughness)

Second main cutting edge

A.R. max. +15˚

First main cutting edge

Cutting force comparison (Internal evaluation) Fracture resistance comparison (Internal evaluation)

Resultant force in radial directionResultant force in axial directionCutting conditions:
Workpiece material:
3,0007% DOWN 1,000FCD450 with 4 bores
16% DOWN MFKVC=300 m/min
2,500800
ap=2.0 mm
2,000fZ=0.5 mm/t
600
1,500Competitor EWet
400
1,000
500200Competitor F

0 0 0 5 10 15 20 25

MFK Competitor C MFK Competitor D

Cutting time (min) Cutting conditions: Reducing impact load when biting into the workpiece Workpiece material: FCD600, dry, ø125

VC=180 m/min, ap×ae=3.0×62 mm, fZ=0.3 mm/t