Каталог Sumitomo пластины с кубическим нитридом бора Sumiboron - страница 17

BN1000 / BN2000Uncoated SUMIBORON for Hardened Steel Machining

• Cutting Performance
• BN1000 Wear Resistance (Continuous Cut) 0.16

Comp. CBN 0.14 0.12 0.10 BN1000 0.08 0.06 0.04 0.02

0 1 2 3

Cutting Distance (km) Work Material: SUJ2 Bar (58-62HRC) Cutting Conditions: v =150m/min, f=0.1mm/rev, a =0.2mm, Dry c p

• BN2000 Wear Resistance (Continuous Cut) Breakage -

Cannot Continue 0.25 Comp. CBN 0.20 BN2000

Able to continue

0.15 0.10 0.05

0 2 4 6 8 10

Cutting Distance (km) Work Material: SCM415H Bar (58-62HRC) Cutting Conditions: v =100m/min, f=0.1mm/rev, a =0.2mm, Dry c p

• BN1000/BN2000 Chipping Resistance (Interrupted Cut) BN1000

Approx 2x Tool life!

Previous CBN (1)

Comp. CBN (1)

BN2000 Approx 1.4x Tool life!

Previous CBN (2)

Comp. CBN(2)

0 50 100 150

Tool Life Ratio (%) BN2000's previous CBN as 100% Work Material: SCM415H 8V Grooved (58-62HRC) Insert: 2NU-CNGA120408 Cutting Conditions: v =150m/min, f=0.1mm/rev, a =0.2mm, Dry

c p

• Machining Precision
• BN1000
• BN2000

Size Accuracy Comparison (Continuous Cut) Surface Roughness Comparison (Continuous Cut)

Comp. CBN

10 Comp. CBN 4

8 Previous CBN 3 6 BN1000 2 L

4 BN2000 1 2

0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 1 2 3 4 5 6 7

Cutting Distance (km) Cutting Distance (km) Work Material: SCM415H φ130 Diameter (58-62HRC) Work Material: SCM415H Bar (58-62HRC) Insert： 2NU-CNGA120408 Insert: 2NU-CNGA120408 Cutting Conditions: vc=200m/min, f=0.1mm/rev, ap=0.1mm, Wet Cutting Conditions: vc=100m/min, f=0.08mm/rev, ap=0.2mm, Dry