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BXM series

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CBN grade for hardened steel machining

Applicable for all types of hardened steel turning

Applications & Features

Applications

External turningInternal turning

Features

1. Coated CBN grades applicable for all types of hardened steel turning

Grades

BXM10

  • Coated CBN for excellent performance in high-speed continuous cutting of hardened steel

BXM20

  • Coated CBN for machining hardened steel in a wide range of application area

Practical examples

Example #1

Automotive Industry

Part: Automotive parts
Material: SCr420, 20Cr4(H) (60 ~ 65HRC)
Insert: 2QP-VNGA160408
Grade: BXM10
Cutting conditions: Vc = 150 (m/min)
f = 0.05~0.07 (mm/rev)
ap = 0.15 (mm)
Application: Continuous cutting
Coolant: Dry
Example #2

Automotive Industry

Part: Automotive parts
Material: SCr420, 20Cr4(H)
Insert: 2QP-CNGA120408
Grade: BXM20
Cutting conditions: Vc = 90~120 (m/min)
f = 0.12 (mm/rev)
ap = 0.2~0.5 (mm)
Application: Continuous cutting
Coolant: Wet
Example #3

Automotive Industry

Part: Automotive parts
Material: SCr420, 20CrS4 (60 ~ 65HRC)
Insert: 2QP-DNGA150408
Grade: BXM20
Cutting conditions: Vc = 80 (m/min)
f = 0.08 (mm/rev)
ap = 0.1 (mm)
Application: Continuous to interrupted cutting
Coolant: Dry

Standard cutting conditions

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