SCI DMSW Brochure 2021

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

● With small depth of cut, DMSW can provide high efficiency machining with long projections.

4,000 2,000 0 -2,000 -4,000

- Principal Force - Feed Force - Back Force

(Reference) Shoulder Milling Tool

DMSW

DMSW

(N)

0 1 2 3 4 5

(s)

Reduced Chattering Competitor B (High Feed Cuter)

Cutting Force

4,000 2,000 0 -2,000 -4,000

- Principal Force - Feed Force - Back Force

ø 2.0"

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

0 1 2 3 4 5

(s)

(N)

Heavy Chattering

■ Plunge Cutting Upper Limit

Max. a e (Inch) Max. f z (IPT) .3937 .0079

Fig 2

Fig 1

Over-cut portion

Corner Radius

a e

Corner Radius

Remaining Material

Remaining Material

Fig.

Corner Radius (Inch) Unmachined Surface (Inch) Over-Cut

.0789 .0984 .1181 .1378

.0480 .0425 .0374 .0327

0 0 0

1 1 1 2

.0016

■ Ramping / Helical Milling Upper Limit

Helical Milling

Precautions for Helical Milling

Ramping

Pitch

Pitch

Pitch

Pitch

Pitch

Pitch

● Above the max. machining diameter, the center uncut portion can be removed by traverse cutting with the same cutter. ● Below the min. machining diameter, the center uncut portion cannot be removed with the same cutter.

a p

a p

a p

RMPX

RMPX

DCX

DCX

DCX

DCX

DCX

DCX

DCX

X

DCX

Full Diameter

Full Diameter Full Diameter

Full Diameter

Full Diameter

Full Diameter

Ramping

Helical Ramping

Max. Dia. DCX (inch / mm)

Max. Ramping Angle RMPX (°)

Standard Diameter (Inch)

Min. Machining Dia. (Inch / mm)

Max. Machining Dia. (Inch / mm)

Max Pitch

Max Pitch

Max Pitch

1.500 2.000 2.500 3.000 4.000

0.8 1.4 1.2 1.2 0.8

2.972 3.972 4.972 5.972 7.972

0.063 0.079 0.079 0.079 0.079

2.346 3.343 4.343 5.339 7.339

0.031 0.079 0.079 0.079 0.079

2.252 3.185 4.118 4.976 6.976

0.020 0.039 0.039 0.039 0.039

35 40 42 50 52 63 66 80 85

69.3 79.3 83.3 99.3

1.3 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0

53.5 63.4 67.4 83.3 87.3

0.5 1.0 1.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0

52.0 60.2 63.9 79.1 82.8

0.5 0.5 0.5 1.0 1.0 1.0 1.0 1.0 1.0 1.0

0˚ 30' 0˚ 48' 0˚ 48' 1˚ 24' 1˚ 24' 1˚ 12' 1˚ 12' 1˚ 12' 1˚ 12' 0˚ 48'

103.3 125.3 131.3 159.3 169.3 199.3

109.3 115.3 143.2 153.2 183.2

103.6 109.4 134.0 144.0 174.0

100 125 160

Not recommended Not recommended

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