B23/B30High-speed finishing of gray cast iron| Uncoated CBNs

Best CBN grades for machining gray cast iron

High-speed machining up to Vc=~1,200m/min

Highly effective machining even surpassing ceramic

Features

  • B23 & B30 grades have high CBN content to enhance wear resistance characteristics
  • Perform ultra-high speed machining of up to Vc-1,200 m / min

Tooling application

Gray cast iron
B23 for roughing to semi-finishing turning operations
B30 for semi-finish to finish turning operations

Grade characteristics

Cutting conditions

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Grade Material Operation type Machining Cutting speed (m/min) Feed(mm/rev) DOC(mm) Coolant
B23/B30 Gray cast iron Turning High-speed finishing 400 - 1200 0.1 - 0.5 -2.0 DRY/WET

Cost effective: Double-sided & multi-cornered CBN

Case study

OD turning of oil pump housing
Material :
FC250
Cutting speed :
250m/min
Feed :
0.2mm/rev
DOC :
2.0mm
Coolant :
WET
B23

210pcs / corner

Competitor's CBN

70pcs / corner

The B23 insert was 3 times more productive than the competitor's insert.
Continuous ID bore operation on a cylinder block
Material :
Gray cast iron
Cutting speed :
800m/min
Feed :
0.3mm/rev
DOC :
0.1mm
Coolant :
WET
B30

800pcs / corner

Competitor's CBN

500pcs / corner

B30 achieved 1.6 times the tool life compared to competitor's CBN.

Tool lineup

View Catalog Information

Please check product catalog for tooling lineup