Coated CBN for Hardened Steel Machining BNC2105/BNC2115 / BNC2125 / BNC2010 / BNC2020 / BNC300
Application Examples of BNC2105 / BNC2115 / BNC2125
52100 Bearing Steel Hub (60HRC)
5120 Hardened Steel Ring Gear (60HRC)
BNC2105 suppresses fractures due to crater wear and realizes stable machining
BNC2105 maintains excellent wear resistance compared to competitors' coated CBN
Tool Life Determinant: Dimensions Able to continue
Tool Life Determinant: Dimensions
300
400
150
200
BNC2105 Competitor's Product A 0
BNC2105 Competitor's Product B 0
Tool: 4NC-CNGA433 (BNC2105) Cutting Conditions: vc = 660 SFM, f = .004 IPR, ap = .004”Wet
Tool: 6NC-TNGA332 (BNC2105) Cutting Conditions: vc = 750 SFM, f = .0047 IPR, ap = .004”Wet
4130 Hardened Steel Gear (60HRC)
5140 Hardened Steel Ring Gear (60HRC)
Compared to competitors' coated CBN, BNC2115 reduces ank wear width by 30%, able to continue with good surface roughness
BNC2115 WH wiper insert maintains excellent surface roughness compared to competitors' coated CBN (wiper insert)
Tool Life Tool Life Determinant: Surface Roughness
Tool Life Determinant: Surface Roughness
5.0
400
Able to continue
3.0
200
0
BNC2115 Competitor's Product D 0
BNC2115 Competitor's Product C
(After machining 280 units)
Tool: 2NC-CCGA32.52WH (BNC2115) Cutting Conditions: vc = 500 SFM, f = .0047 IPR, ap = .0039”Wet
Tool: 4NC-DNGA431 (BNC2115) Cutting Conditions: vc = 525 SFM, f = .0039 IPR, ap = .0098”Wet
5120 Hardened Steel Ring Gear (60HRC)
Low Carbon Steel Hardened Steel Sun Gear (60HRC)
BNC2125 suppresses fractures due to crater wear and realizes at least double the tool life
BNC2125 BREAK MASTER LV o ers excellent tool life and resolves chip control problems
Tool Life Determinant: Tool Fracture
Tool Life Determinant: Dimensions
No chip control problem
120
280
60
140
BNC2125 Competitor's Product E 0
0
BNC2125 + LV
Conventional Tool
Tool: 4NC-CNGG432LV (BNC2125) Cutting Conditions: vc = 625 SFM, f = .0051 IPR, ap = .0118”Wet
Tool: 4NC-CNGA433 (BNC2125) Cutting Conditions: vc = 500 SFM, f = .0079 IPR, ap = .0118” Dry
10
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