SCRUM DUO

For grooving｜ Swiss CNC lathes / Conventional CNC lathes

Highly rigid holder design

Home / Grooving & Parting / SCRUM DUO

Stable grooving with unique holder design

Insert securely held to achieve excellent machined surfaces

Features

Insert widths range from 3.0mm – 6.0mm .118 – .236 of an inch
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

Grooving

[ Cutting conditions ] Material : SCM415 Groove width 5.0mm vc=150m/min f=0.1mm/rev ap=7.0mm .0197 inch 500 SFM .004 IPR .275DOC Non-step grooving WET
[ Tools used ] Insert : DM4 GWPG500N04F-GW Holder : GTWPR2525M-5F10

Milling Inconel

[ Cutting conditions ] Material : SCM415 Groove width 5.0mm vc=150m/min f=0.1mm/rev ap=1.0mm .0197 inch 500 SFM .004 IPR .039DOC 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
Features superior sharpness with high rake face Ideal for applications requiring low tool pressure

Chip comparison (grooving)

[ Cutting conditions ]
Vc=80m/min f=0.08mm/rev Groove width : 5mm 270 SFM f=.003 IPR Groove width : .197 inch WET

Tool pressure comparison (grooving)

[ Cutting conditions ]
Vc=80m/min f=0.08mm/rev Groove width : 5mm 270 SFM f=.003 IPR Groove width : .197 inch WET

Cutting conditions

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Coated grade	Material	Operation type	Cutting speed (m/min) Cutting speed (SFM)	Groove width (mm) Groove width (inch)	Grooving feed rate(mm/rev) Grooving feed rate(IPR)	Side turning feed(mm/rev) Side turning feed(IPR) ※ GW chipbreaker only
DM4	Difficult-to-cut material / titanium alloy / Alloy steel / carbon steel / hardened material / general purpose / high temp alloys	Grooving	30 – 180 75 – 600	3.0 – 4.0 .118 – .157	0.05 – 0.12 .002 – .006	0.03 – 0.10 .001 – .004
				4.0 – 5.0 .157 – .197	0.08 – 0.15 .004 – .008	0.03 – 0.13 .006 – .012
				5.0 – 6.0 .197 – .236	0.12 – 0.16 .006 – .012	0.03 – 0.13 …

Related News

For more information about this product, visit our online e-catalog, or download the catalog/product report

NTK Cutting Tools

SCRUM DUO

Stable grooving with unique holder design

Features

Tooling application

Tool rigidity comparison

Grooving

Milling Inconel

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

Related News

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