Основной каталог Kyocera 2021 - 2022 - страница 485

External grooving GDM/GDMS/GDGS type


KGD-JCT (for automatic lathe)
Cut-off holders for high pressure coolant with long tool life
The optimized coolant hole position effectively cools the cutting edge

1 Optimized coolant hole position
2 Discharge coolant towards the flank face of the insert
G
Coolant discharging
KGD-JCT Competitor A
Sufficient cooling towards the Coolant does not flow directly
cutting edge towards the cutting edge


Grooving
Effective cooling of the cutting edge


Wear resistance comparison (internal evaluation) Cutting edge condition (after machining 20 minutes)
0.20

KGD-JCT
Flank Wear（mm）


0.15
Competitor A (Internal coolant type)
KGD-JCT Competitor A
0.10
High density and high speeds coolant provides effective cooling of the
cutting edge
0.05
Superior cooling action improves tool life
0.00
0 20 40 60 80
Cutting Time (min)
Cutting conditions: Vc = 80 m/min, f = 0.06 mm/rev (~2 mm: f = 0.02 mm/rev),
KGDR1625H-2-JCT, GDM2020N-015PF PR1535 (Edge width: 2.0 mm)
Workpiece material : SUS304 (ø25), internal coolant (1.5MPa) Cut-off


G31