SCRUM DUOFor grooving| Swiss CNC lathes / Conventional CNC lathes

Highly rigid holder design

Stable grooving with unique holder design

Insert securely held to achieve excellent machined surfaces

Product video

Features

  • Insert widths range from 3.0mm - 6.0mm
  • Two 3D chipbreaker styles to choose from
    GW: Sharpness, excellent chip control, best for side turning
    GV: Superior sharpness for less tool pressure to prevent chattering and results in good surface finish

Tooling application

Swiss CNC lathes
Grooving and Side turning

Tool rigidity comparison

Cutting conditions

Scroll the table →

Coated grade Material Operation type Cutting speed (m/min) Groove width (mm) Grooving feed rate(mm/rev)
Side turning feed(mm/rev)
※ GW chipbreaker only
DM4 Difficult-to-cut material / titanium alloy
Alloy steel / carbon steel / hardened material / general purpose
Grooving 50 - 150 3.0 - 4.0 0.05 - 0.12 0.03 - 0.10
4.0 - 5.0 0.05 - 0.15 0.03 - 0.13
5.0 - 6.0 0.05 - 0.15 0.03 - 0.13

Grooving

[ Cutting conditions ]
Material : SCM415  Groove width5.0mm  vc=150m/min  f=0.1mm/rev  ap=7.0㎜  Non-step grooving  WET
[ Tools used ]
Insert : DM4 GWPG500N04F-GW  Holder : GTWPR2525M-5F10

Side turning

[ Cutting conditions ]
Material : SCM415  Groove width5.0mm  vc=150m/min  f=0.1mm/rev  ap=1.0㎜  Non-step grooving WET
[ Tools used ]
Insert : DM4 GWPG500N04F-GW  Holder : GTWPR2525M-5F10

Two chipbreaker styles combined with our tough DM4 carbide grade for long tool life and quality surface finishes

GW chipbreaker
A versatile design with edge sharpness and chip control features.
Multi-functional for grooving and side turning
GV chipbreaker
Feature superior sharpness with high rake face Ideal for applications requiring low tool pressure
Chip comparison (grooving)
[ Cutting conditions ]
Vc=80m/min  f=0.08㎜/rev  Groove width : 5㎜  WET
Tool pressure comparison (grooving)
[ Cutting conditions ]
Vc=80m/min  f=0.08㎜/rev  Groove width : 5㎜  WET

Tool lineup

Please check product catalog for tooling lineup