Основной каталог Kyocera 2021 - 2022 - страница 510

KGDI: Stable machining with excellent chip control and smooth chip evacuation

1. Excellent chip control with GMI chipbreaker for internal grooving

Evenly breaks chips in various cutting conditions with newly designed chipbreaker geometry. Good chip control even in finishing applications with small depths of cut. Center geometry squeezes chips and Comparison of chip control (Internal evaluation) Rear ramp prevents chip clogging during high supports chip deformation. feed machining.

2. Smooth Chip Evacuation by Creating Chip Pocket

Smooth chip evacuation when grooving and finishing.

Residual chips (Internal evaluation)

5.4 60 Prevents 50 chip clogging 40 30 5 2 1 3 4 25 20 10 Cutting conditions: Vc = 100 m/min 0 1: ap = 3 mm, 2, 3: ap = 1 mm,

KGDI Competitor B Competitor C 4, 5: ap = 0.2 mm

Chips remaining in machined bore were greatly reduced f = 0.08 mm/rev Toolholder: KGDIR3225B-3 compared with Competitor B and C. Insert: GDM3015N-040GMI Improved chip evacuation by innovation chip pockets

Workpiece material: 15CrMo4

3. Low cutting forces and stable machining

GMI chipbreaker prevents chip clogging and reduces cutting forces.

Comparison of cutting force (Internal evaluation)

1,200 ■ ■ Resultant force ■ ■Principal force ■ ■ Thrust force 1,000

800

600

400

200

0 GMI chipbreaker Competitor D Cutting conditions: Vc = 150 m/min, f = 0.1 mm/rev Toolholder: KGDIR3225B-3, insert: GDM3015N-040GMI Workpiece material: 15CrMo4

GMI chipbreaker

1,500 Stable machining with few changes in cutting force. 1,000

500

0

0 0.5 1 1.5 2 2.5

Cutting time［sec］ Competitor D 1,500 Instantaneous increase of cutting

force due to clogged chips. 1,000

500

0 0.5 1 1.5 2 2.5

Cutting time［sec］