Milling cast iron CBN inserts

Full name: Milling cast iron CBN inserts

Machining Hardness Range: HRC35-HRC68, HT200/250

Machining Materials: Chilled cast iron, high-alloy cast iron, wear-resistant cast iron, heat-resistant alloy, high manganese steel, Grey Cast iron, iron-based sintered alloy, etc.

Machining Type: Both rough milling and finish milling

Continuous and interrupted processing possible

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Product Description

Recommend milling Cast iron CBN inserts


SNFN	CNFN	RNFN	SNEN	SNEX	RNEN

OPHN	RDMW	APMT	SEET

Milling Cutters/Holders Series

φ63 milling cutter φ125 milling cutter φ160 milling cutter

Diameter 63 Diameter 125 Diameter 160

Note: Customers provide drawing or size requirements, Halnn will provide customized services.

Application fields

Material: high chromium cast iron, nickel hard cast iron, high nickel chromium alloy, chilled cast iron, white cast iron, etc.;

Industry: construction machinery, heavy industry machinery, power equipment, mining machinery and other industries;

Workpiece: slurry pump, impeller, liner, Cone Crusher, etc.;

Cutting Parameters

Machining material	Recommended cutting parameters			CBN insert Grade
Machining material	Cutting speed VC(m/min)	Cutting Depth ap (mm)	Feed Rate Fr(mm/r)	CBN insert Grade
High hardness cast iron (HRC35-68)	35-120(Rough milling)	1-4	0.15-0.45	BN-K1
High hardness cast iron (HRC35-68)	60-180(Finish milling)	≤1	0.05-0.35	BN-K1
Grey cast iron	450-2000(Finish milling)	≤1.5	0.05-0.3	BN-S300, BN-S200, BNK30

Application cases

Workpiece: Lining plate
Material: High chromium cast iron
Insert Type: BN-K1 SNFN120712
Cutting parameters: N=85r/min, Fr=0.4mm/r, ap=3mm
Processing method: dry cutting

Workpiece: Engine Block
Material: FC250(HB170~210)
Insert Type: BN-S300 SNEN090308
Cutting parameters: Vc=1700 m/min, ap=0.3mm, fz =0.12mm/r
Processing method: dry cutting
Insert grade	Feed Rate	Tool Life/blade
Halnn BN-S300	3670mm/min	85 pieces
Some brand CBN	3670mm/min	80 pieces