Section I 25-26

MOLD FINISH MASTER SUMIDIA BINDERLESS Ballnose Endmills NPDB Type

Cemented Carbide

Hard Brittle Material

Binderless

Ballnose

Flute

Side Milling

Face Milling

R-Grooving

Profiling

Fig 1

RE ±0.005

RE ±0.005

15˚

APMX

LU

LF

Work Material Inclination Angle

I

Body (for Precision Finishing)

Dimensions ( mm )

Effective Length for Work Material Inclination Angle

Radius RE

Dia. DC 0.2 0.4 0.6 1.0 2.0

Cutting Edge Length APMX

Neck Length LU

Overall Length LF

Head Dia. DN

Shank Dia. DMM

Cat. No.

Fig

0.5°

1.5°

NPDB1010-004 NPDB1020-008 NPDB1030-010 NPDB1050-020 NPDB1100-030

0.1 0.2 0.3 0.5 1.0

0.1 0.2 0.3 0.5 1.0

0.4 0.8 1.0 2.0 3.0

40 40 40 40 40

0.18 0.38 0.58 0.95 1.95

4 4 4 4 4

0.42 0.43 0.44 0.46 0.48 0.83 0.85 0.87 0.90 0.95 1.03 1.06 1.08 1.11 1.17 2.10 2.15 2.20 2.26 2.39 3.11 3.18 3.25 3.33 3.51

1 1 1 1 1

    

Grade: NPDB10

Identification Code NPDB 1 030 - 010 Type Neck Length

Number of Teeth

Ballnose Radius

Recommended Cutting Conditions 1. Use a precision machine for stable cutting.

2. ‌Non-water soluble cutting oil is recommended. Supply as a mist or external coolant. Take fire prevention precautions to avoid fire hazards caused by sparks igniting during machining or tool breakage. 3. Shorten overhang as much as possible. 4. Adjust cutting conditions as necessary as equipment performance and other conditions may vary. 5. ‌Values shown in the table of conditions are guidelines. Adjust the actual cutting conditions to the desired machined surface quality.

p f

Flat Surface Finishing Work Material

Cemented Carbide

RE (mm)

LU (mm)

Spindle Speed (RPM)

Feed Rate (IPM)

a p (in)

p f (in)

40,000 40,000 40,000 40,000 40,000

0.1 0.4 0.2 0.8 0.3 1.0 0.5 2.0 1.0 3.0

3.937 0.00004 0.00004 5.906 0.00008 0.00004 7.874 0.00012 0.00004 15.748 0.00020 0.00012 23.622 0.00040 0.00020

*Radius accuracy inspection test results are included in the case. *Also applicable for long neck types, depending on the size. For details, please contact us.

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