Roughing High Hardness Steel

Full Name: CBN inserts Roughing High Hardness Steel

Machining Materials: High manganese steel, high chromium alloy steel, High Hardness Steel

Workpiece: Pump, Mill Rolls, Bearing, Cone Crusher, Jaw Plate, Jaw liner, Con liner, Mantle, Bowl Liner, Mobile Cone, Concave Segment

Using Inserts type: RNMN, SNMN, CNMN

Processing Way: Roughing

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CNC Turning Hardened Steel, Roughing Hardened Steel Recommend Solid CBN Inserts


RNMN	CNMN	SNMN	RCMX

Insert Grade	Suited Materials	Machining Way	Typical Application
BN-K1	Chilled Cast Iron, Hi-Ni-Cr Cast Iron and High harness alloy cast iron	Roughing	Alloy Cast Iron, Slurry Pump, Wear resistant castings
BN-S20	Hardened Steel, Heat and abrasive resistant steel, High manganese steel	Roughing Semi-Finishing	Mill Rolls, Ball Screw, Wind Power Bearings
BN-S200	Hardened Steel, Superalloy	Finishing	Wind Power Bearings
BN-S300	Gray Cast Iron, High Speed Steel	Roughing, Finishing	Brake Disc, Cast Iron Engine, Gearbox, Cylinder Liner, Mill Rolls

Advantages of Halnn Solid CBN Inserts Roughing High Hardness Steel Materials

High hardness;

Excellent wear resistance and impact resistance;

High cutting efficiency and long tool life;

Patented products with special advantages, non-metallic adhesive CBN cutters.

Application Cases

Materials:High Manganese steel
Workpiece: Cone Crusher
Selected Insert: BN-S20 SNMN150716
Cutting Condition: Ap=7.5mm,
Fr =0.5mm/r, Vc = 65m/min
Insert material	Vc	Ap	Tool Life/Edge
Halnn BN-BN-S20	65m/min	7.5mm	2pcs
Carbide Insert	19m/min	3.5mm	0.5pcs

Material: High Speed Steel rolls, Hardness HRC68
Selected Insert:BN-S20/BN-K1 RCGX120700/RCGX090700
Machining Condition:
Vc=25m/min, ap=0.5mm, Fr =0.5mm/r
Insert material	Efficiency	Insert material
Halnn BN-S20	5 times	Solid CBN Inserts
Carbide Insert	/	Carbide Insert

Hardness of workpiece: HRC60 Hardened steel
Blade model: BN-S20 SNMN120712
Cutting parameters: VC =90m/min, FR =0.12mm/r, AP =2.5mm
Processing mode: dry cutting
Inserts Materials	Cutting Speed	Tools life	Failure mode
Halnn CBN material	90m/min	0.5pc / Tip	Normal wear
Ceramic Material	45m/min	0.3pc / Tip	Broken