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

GG

Coolant discharging KGD-JCT Competitor A Sufficient cooling towards the Coolant does not flow directly cutting edge towards the cutting edge

Effective cooling of the cutting edge

Wear resistance comparison (internal evaluation)

0.20 KGD-JCT 0.15 Competitor A (Internal coolant type) 0.10

0.05

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

Cutting edge condition (after machining 20 minutes)

KGD-JCT Competitor A High density and high speeds coolant provides effective cooling of the cutting edge Superior cooling action improves tool life