H Uncoated SUMIBORON

Hardened Steel BN1000/BN2000

Cutting Performance

l BN1000 l BN1000

Wear Resistance Comparison Chipping Resistance Comparison

Competitor´s

CBN BN1000 Approx. 2x Tool life!

BN1000 Previous CBN (1) Competitor´s CBN (1)

llllll 0 25 50 75 100 125 150 Cutting length (km) Tool Life Ratio (%), BN1000’s previous CBN as 100%

Work material:100Cr6 (HRC58-62), Round BarWork material:15CrMo5 (HRC58-62), 8 Grooves
Insert type:CNGA 120408 NU-2Insert type:CNGA 120408 NU-2
Cutting data:vc = 150 m/min, f = 0,1 mm/rev, doc = 0,2 mm, DryCutting data:vc = 150 m/min, f = 0,1 mm/rev, doc = 0,2 mm, Dry

l BN2000 l BN2000

Wear Resistance Comparison Chipping Resistance Comparison

Competitor´s

CBN (Breakage) BN2000 Approx. 1,4x Tool life!

BN2000 Previous CBN (2) Competitor´s

CBN (2) llllll 0 25 50 75 100 125 150 Cutting length (km) Tool Life Ratio (%), BN2000’s previous CBN as 100%

Work material:15CrMo5 (HRC58-62), Round BarWork material:15CrMo5 (HRC58-62), 8 Grooves
Insert type:CNGA 120408 NU-2Insert type:CNGA 120408 NU-2
Cutting data:vc = 100 m/min, f = 0,1 mm/rev, doc = 0,2 mm, DryCutting data:vc = 150 m/min, f = 0,1 mm/rev, doc = 0,2 mm, Dry

Machining Precision

l BN1000 l BN2000

Accuracy Comparison Surface Roughness Comparison

Competitor´s Competitor´s CBN CBN BN1000

Conventional CBN BN2000

Cutting length (km) Cutting length (km)

Work material:15CrMo5 (HRC58-62), Round Bar Ø130Work material:15CrMo5 (HRC58-62), Round Bar
Insert type:CNGA 120408 NU-2Insert type:CNGA 120408 NU-2
Cutting data:vc = 200 m/min, f = 0,1 mm/rev, doc = 0,1 mm, WetCutting data:vc = 100 m/min, f = 0,08 mm/rev, doc = 0,2 mm, Dry