Section H 25-26

Sumi Dual Mill DFC Series

■ Cutting Performance

Face Milling

(1) Machined Surface Roughness Better than competitors' products

+10 (μm)

DFC

0

DFC

-10

+10

H

Competitor's Product A

0

Competitor's Product A

-10

+10

Conventional Tool

0

Conventional Tool

-10

0

0.5 1.5 Machined Surface Roughness Ra (μm) 1.0

0.016in

Part Material: 1050 Tool: DFC 09100RS Insert: XNMU 060608PNER-G Grade: ACP200 Cutting Conditions: v c = 656 SFM, f z = 0.008 IPT, a p = 0.12”, a e = 3.35” Dry

(2) Cutting edge strength: Cutting edge damage during heavy interrupted cutting Cutting edge strength surpassing competitors' double-sided cutters f z (IPT)

0.012 0.016 0.020

DFC Competitor's Product B (Double-sided, 6 Corners)

○ ○ ○ ○ Damage (Midway through 2 passes)

Damage (Midway through 3 passes) Damage (Midway through 3 passes)

Competitor's Product C (Double-sided, 6 Corners)

Competitor's Product D (Double-sided vertical)

(Cutting Distance: 0.9m)

Part Material: 1050 (With Holes) Tool: DFC 09100RS Insert: XNMU 060608PNER-G Grade: ACP300 Cutting Conditions: v c = 492 SFM a p = 0.12”, a e = 1.97” Dry 12” 6”

(3) Wear resistance: Achieves long tool life thanks to excellent wear resistance

Comparison of cutting edge damage

0.008

DFC : After 25 passes

Competitor's Product E: After 10 passes Competitor's Product F: After 25 passes

Competitor's Product E Damage

0.006

Competitor's Product F Chipping

■ ●

0.004

Able to Continue DFC

■ ●

■ ●

0.002

■ ●

Little damage / Able to continue

Breakage

Damaged

0

10

20

30

No. of Passes (1 Pass = 0.012”)

Work Material: 1050 Tool: DFC 09100RS Insert: XNMU 060608PNER-G Grade: ACP200 Cutting Conditions: v c = 656 SFM, f z = 0.008 IPT, a p = 0.12”, a e = 3.35” Dry

H115

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