
KGD type GDM/GDMS/GDG type
KGD-JCT
Cut-off toolholders for automatic lathe great for high pressure coolant Edge pre
Series
(for automatic lathe)
Edge prep.
1 Optimized coolant hole position
Series
GMM-MT
Discharge coolant towards the
2 flank face of the insert
GMM-NB
Directing coolant towards the cutting edge lengthens GMM-TK
tool life.
GMN-TK
GMN (Std.)
H Coolant discharging
(No indication
KGD-JCT Competitor A
Cut-Off
Sufficient cooling Coolant does not flow directly
towards the cutting edge towards the cutting edge
Wear resistance comparison (Internal evaluation) Cutting edge condition (after machining 20min)
0.20
0.15
KGD-JCT
Flank wear (mm)
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-2JCT, GDM2020N-015PF PR1535 (CW: 2.0 mm)
Workpiece material : SUS304 (ø25) Internal coolant (1.5MPa) Cut-off
H24