SUMIDIA - Polycrystalline Diamond Tools NPD10/DA90
■ General Features NPD10 is made from high-hardness nano-polycrystalline diamond. This is a pure diamond material, but unlike single-crystal diamonds, it has no anisotropy. It achieves extended tool life and machining accuracy superior to conventional diamond tools when machining hard brittle materials such as cemented carbide. DA90 is a PCD - polycrystalline diamond grade in which coarse diamond particles have been sintered to form a dense structure. The high diamond content, with high wear resistance, makes it ideal for roughing of cemented carbide and hard brittle material. Optimized design and mass production technology have been developed, achieving the same performance as conventional tools with higher cost-performance.
M
■ Features ● Ideal for Finishing of Hard Brittle Materials Including Cemented Carbide (NPD10) High-precision cutting of cemented carbide thanks to the outstanding wear resistance of nano-polycrystalline diamond ● Superior dimensional tolerance maintained for a long time (NPD10) Tool replacement count can be drastically reduced compared to conventional diamond tools, enabling work efficiency to be improved and total costs to be reduced. ● Ideal for Roughing of Hard Brittle Materials Including Cemented Carbide (DA90) Stable tool life in sintered surface machining of cemented carbide and roughing of hard brittle materials thanks to the outstanding wear resistance of the coarse-grained polycrystalline diamond ● Uses PCD - SUMIDIA NF Insert (DA90) Optimized design and mass production technology have been developed, achieving the same performance as conventional tools with higher cost-performance. ■ Application Range (Cemented Carbide Machining) ■ Applications of NPD10 and DA90 (Cemented Carbide)
C
30
SUMIDIA Binderless NPD10
SUMIDIA DA90
Grade
D
The first recommendation is NPD10 a p = 0.008" or above can also be used
G
J
Dimensional Tolerance
Best
20
NPD10 SUMIDIA Binderless
Best a p = 0.008" or below f = 0.004 IPR or below recommended S
Tool Life (Wear Resistance) G
S
DA90 SUMIDIA
10
H
G J
Sintered surface machining of cemented carbide
Impossible
Best
88HRA or more
88HRA Less than
The first recommendation is NPD10
Machined surface quality G
T
Best
0
0.1 0.2 0.3 0.4 0.5
Depth of Cut a p (mm)
■ Recommended Cutting Conditions (Cemented Carbide Machining) Part Material Grade
Cutting Conditions
V
Class
Hardness (HRA) Our Grades
Cutting Speed v c (SFM)
Feed Rate f (IPR) Depth of Cut a p (Inch)
NPD10
VM, VC 40
88 or more
G5, D2
15 - 65
.0012 - .0027
.0012 - .0027
NPD10
W
VM, VC 70, 60, 50 83 less than 88 G7, G6
15 - 100
.0012 - .0079
.0012 - .0079
G7, G6 G5, D2
DA90
Q
VM, VC
83 or more
15 - 100
.0012 - .0079
.0012- .0197
Min. - Max. Coolant: Dry (NPD10)/Wet (DA90)
■ Machining Precision (NPD10)
■ Wear Resistance (DA90)
Internal machining of cemented carbide: VM30 (91HRA)
External machining of cemented carbide: VC50 (87HRA)
30mm
0.10
0.30
DA90
0.05 0.10 0.15 0.20 0.25
● Conventional PCD
0.08
■
0.06
■
●
Conventional Grade
■
0.04
■
0 200 400 600 800 1,000 1,200 ●●● ●● ● ● ● ● ● ■■■■■■■■■■■■■■■■■■■■ NPD10
●
■
●
0.02
NPD10 shows no dimensional variation even after 1,100m of cutting.
● ■
0
100 50 Cutting Distance (m)
150
Cutting Distance (m)
Part Material Tool Cat. No.
: Cemented carbide: VM30 (91HRA)
Part Material
: Cemented carbide: VC50 (87HRA)
: DCMA32.51RH Cutting Conditions : v c = 65 SFM , f =0.002 IPR, a p =0.002" Dry
Tool : NF-DCMA21.51 Cutting Conditions : v c = 65 SFM , f =0.004 IPR, a p =0.008" Wet
M5
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