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BXA10 / BXA20 / BR35F

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BXA10 / BXA20 / BR35F

Coated CBN grade for hardened steel

Coated CBN series for a wide range of hard part turning.
The most suitable grade can be selected for your application requirements.

BXA10 / BXA20 / BR35F

Applications & Features

Applications

External turningInternal turning

Features

1. Application area

2. Grade properties

3. WavyJoint

New brazing technology for increased machining efficiency
  • A maximum depth of cut up to 0.8 mm.
    Reduces the number of passes to increase productivity.
  • Innovative WavyJoint brazing technology
    Prevents the CBN tips from debrazing, eliminating abrupt insert fractures during demanding dry machining, while securing stable and predictable hard turning operations.

4. Hardbreakder Series

  • HS chipbreaker
    Optimized chipbreaker design for excellent chip control during hard turning at aggressive conditions
  • HP chipbreaker
    Designed for finish machining of hardened parts with close tolerances
  • HF and HM chipbreakers
    Suited for hard turning applications requiring great D.O.C. such as carburized layer removal

5. New CBN inserts for general turning

  • GNGA insert with 70° corner angle
  • FNGA insert with 45° corner angle
    • Smaller corner angle provides the insert with greater clearance between the insert flank and workpiece surface, allowing better chip flow and evacuation.
    • Enables greater D.O.C. in face turning applications in which the insert is pulled outward (fed away from the workpiece center).
  • YNGA insert with 25° corner angle
    • Allows undercutting, V grooving, and other applications that are not possible with traditional V inserts.

High versatility
  • Existing ISO turning toolholder can be used for these inserts.
    • For GNGA insert: Use the holder for CNxx1204 insert
    • For FNGA insert: Use the holder for DNxx1504 insert
    • For YNGA insert: Use the holder for VNxx1604 insert
  • No offsets needed compared to ISO inserts, due to same geometry of cutting edge position.
  • Double sided insert with 2 cutting edges.

6. MiniForce-Turn Double-sided positive insert with CBN tips

MiniForce-Turn now offers WavyJoint CBN inserts that provide additional strength and security in aggressive cutting conditions.

WXGQ0403… insert

Double-sided positive inserts

6-edged insert with dovetail design

7. CBN wiper insert series for extended application coverage

Available with HP chipbreaker and HS chipbreaker for effective chip control. Inserts with no chipbreaker are also available.
FW wiper eliminates chatter generation at slower feeds and offers good surface part quality.
MW wiper provides improved surface finishing at an increased feed rate.

Application areas

Grades

BXA10

  • First choice for continuous to light interrupted cuts of hardened steel turning
  • For cutting speed = 230 m/min or less

BXA20

  • Versatile grade from continuous to heavy interrupted cuts
  • For cutting speed = 180 m/min or less

BR35F

  • First choice for heavy interrupted cuts
  • For cutting speed = 150 m/min or less

Practical examples

Example #1

Automotive Industry

Part: Gear
Material:

SCM420 / 18CrMo4 (62HRC)
Insert:

2QP-CNGA120408
Grade: BXA10
Cutting conditions: Vc = 100 (m/min)
f = 0.05 (mm/rev)
ap = 0.15 (mm)
Coolant: Dry
Example #2

Automotive Industry

Part: CVT
Material:

SCr420 / 20Cr4 (59HRC)
Insert:

2QP-DNGA150412
Grade: BXA20
Cutting conditions: Vc = 170 (m/min)
f = 0.3 (mm/rev)
ap = 0.1 (mm)
Coolant: Wet
Example #3

Automotive Industry

Part: Gear
Material:

SCM420 / 18CrMo4 (60HRC)
Insert:

2QP-CNGA120412HC
Grade:

BR35F
Cutting conditions: Vc = 70 (m/min)
f = 0.05 (mm/rev)
ap = 0.15 (mm)
Coolant: Dry

Standard cutting conditions

ISO Grade Workpiece condition Cutting speed
Vc (m/min)		 Depth of cut
ap (mm)		 Feed
f (mm/rev)
BXA10 Continuous 100 – 230 0.05 – 0.5 0.05 – 0.3
Light interrupted 100 – 230 0.05 – 0.3 0.05 – 0.2
BXA20 Continuous 60 – 180 0.05 – 0.5 0.05 – 0.3
Interrupted 60 – 180 0.05 – 0.3 0.05 – 0.2
BR35F Heavy interrupted 50 – 150 0.05 – 0.3 0.05 – 0.2

For more information about this product, visit our online e-catalog or download the product report:

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