SCI DMS Brochure 2023

High-Productivity High-Feed Cutter for Rough Milling DMSL / DMSW S ERIES

● Compared to conventional high feed mill cutter inert, DMSL and DMSW inserts provide improved surface finish due to the arc-shaped edge

DMSW

Competitor A (High Feed Cutter)

20 40

20 40

-40 -20 0

-40 -20 0

( Inch )

0 .098 .197 .295 .394 .492 ( Inch )

0 .098 .197 .295 .394 .492 Ra 11.2µm Rz 51.0µm

Ra 3.3µm Rz 14.1µm

Machine : Vertical Machining Center BT50, Part Material: 1050 Carbon Steel, Insert: WNMU0807ZNER-G-ACU2500 Milling Cutter: DMSW08063RS04 ( ø63 4 teeth), Cutting Conditions: v c = 500 SFM, f z = .0984 IPT, a p = .0197", a e = 1.5748", Dry

■ Cutting Force Comparison

DMSW

DMSL

- Principal Force - Feed Force - Back Force

- Principal Force - Feed Force - Back Force

2,000

4,000

DMSW

2,000

1,000

0

0

-2,000

-1,000

-4,000

0

1

2

0 1

2 3 4 5

(S)

(S)

Reduced Chattering

Reduced Chattering

Competitor B (High Feed Cutter)

Competitor C (High Feed Cutter)

- Principal Force - Feed Force - Back Force

2,000

- Principal Force - Feed Force - Back Force

4,000

2,000

1,000

0

0

-2,000

-1,000

-4,000

0

1

2

(S)

0 1

Heavy Chattering 2 3 4 5

(S)

Heavy Chattering

ø

Machine: Vertical Machining Center BT50, Part Material: 1050 Medium Carbon Steel, Milling Cutter: DMSL06020E03 ( ø20 3 teeth) Insert: LNMU06T3ZNER-G-ACU2500 Cutting Conditions: v c = 525 SFM, f z = .0236 IPT, a p = .0315", a e = 0.787", L= 3.937, Dry

Machine: Vertical Machining Center BT50, Part Material: 1050 Medium Carbon Steel, Milling Cutter: DMSW08050RS04 ( ø50 4 teeth) Insert: WNMU0807ZNER-G-ACU2500 Cutting Conditions: v c = 525 SFM, f z = .0256 IPT, a p = .0315", a e = 1.772", L= 13.4", Dry

■ Precautions for Corner Finishing * Corners will have over-cut or under-cut material relative to the corner profile.

DMSW/DMSL

(Reference) Shoulder Milling Tool

Fig 2

Fig 1

Over-cut portion

Corner Radius

Cutting Force

Corner Radius

■ Plunge Cutting Upper Limit

Max. a e (Inch)

Max. f z (IPT)

Remaining Material

Remaining Material

DMSL .1575 .0079 DMSW .3937 .0079

DMSL Corner Radius (Inch) Unmachined Surface Over-Cut Fig. .0197 .0346 0 1 .0394 .0272 0 1 .0591* .0213 0 1 .0787 .0161 .0008 2 DMSW Corner Radius (Inch) Unmachined Surface Over-Cut Fig. .0789 .0480 0 1 .0984 .0425 0 1 .1181* .0374 0 1 .1378 .0327 .0016 2 (*Programmable Radius) (*Programmable Radius)

3

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