Sumi Dual Mill DFC Series
■ General Features The high-efciency general-purpose Sumi Dual Mill DFC has a unique insert shape with both excellent sharpness and cutting edge strength, enabling it to be used for a wider range of applications from high-efciency machining through to nishing. Further expansion of the shoulder milling GS chipbreaker, suitable for a wide range of applications. Now available in ACU2500.
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■ Features
Wear
Restraining face
DFC
Conventional Tool
Unique insert shape delivers sharp cutting performance and cutting edge strength
Flank wear of inserts for DFC does not reach the restraining face and thus mounting accuracy does not suffer.
The 90° cutting edge angle is suitable for both face milling and shoulder milling
GS Chipbreaker for Shoulder Milling
· Excellent chip control · Suppresses machined surface deterioration due to chip re-cutting
Part Material: 1050, Tool: ø4.000”
Cutting Conditions: v c = 656 SFM, f z = 0.008 IPT,
a e = 1.97”, a p = 0.12” x 6 passes, Dry
Chip generation image and machined surface comparison
GS Chipbreaker
Conventional Tool
a
b
Chip flow direction control (a > b) → chip re-cutting suppressed
H114
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