Основной каталог Kyocera 2021 - 2022 - страница 482

External grooving GDM/GDMS/GDGS type


Various insert lineup for KGD toolholder
Smooth chip control
» Newly-introduced chipbreakers designed to cover a variety of workpiece materials.
High precision edge preparation
» High precision molding technology with tolerance ±0.03 mm (Edge width 2, 3, 4 mm types)
Highly-reputed MEGACOAT technology
» Long tool life and high efficiency machining achieved by superior oxidation resistance and wear resistance.
Application map Chipbreaker selection
Grooving and turning Application
High

GL: Low feed PH: High feed
External grooving Copying
G
Cutting force


GM: General
purpose Non-ferrous Low feed Carbon steel High feed
metals Alloy steel
Stainless steel Interruption
GS: Low
cutting force
Low rigid
material
Low
Grooving


Feed rate High
Low cutting Low feed General High feed Copying
force purpose
GS GL GM PH CM


Comparison of chip control (15CrMo4, Vc = 150 m/min, f = 0.15 mm/rev)


GM chipbreaker Competitor A Competitor B

Smooth chip control
» Less chip biting troubles

Toolholder and insert combination of KGD type (new) and KGM type (conventional)
Insert setting angle for grooving toolholders
New insert Conventional insert
KGD...0˚ Conventional tools KGM...5˚ GDM GMM

0° 5°
New toolholder Conventional
KGD toolholder KGM
Installing conventional inserts to the new toolholder
is not recommended.


G28