BNC8115 BNS8125 Brochure

Coated CBN - SUMIBORON/ CBN - SUMIBORON BNC8115/BNS8125

█ Application Examples of BNC8115 Gray Cast Iron - FC250 Brake Disc High fracture resistance suppresses flaking, achieving 1.3x or longer tool life compared with competitor’s CBN Turning

Able to Continue

Flaking

800

Able to Continue

600

400

200

0

BNC8115 After machining 650 pcs

Competitor's CBN A After machining 500 pcs

BNC8115

Competitor's Product A

Tool Used: SNG434 (BNC8115) Cutting Conditions: v c = 755 SFM, f = .016 IPR, a p = .08 to .12” Wet

AISI 4340 (Heat-treated) Large Bearing High-wear resistance coating suppresses flank wear, achieving twice or longer tool life compared with competitor’s CBN Turning

BNC8115 After 2 passes

Competitor's CBN B After 1 pass

Tool Used: RNG43 (BNC8115) Cutting Conditions: v c = 492 SFM, f = .012 IPR, a p = .10” Wet

6

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