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PCD/PCBN Inserts for Wear Parts

Halnn CBN Insert Grade for wear parts

Insert Grade

Suited Materials

Machining Type

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

HSS Rolls, Ball Screw, Wind Power Bearings


Halnn recommend cutting condition of BN-K1 and BN-S20

Machining Materials Process

Cutting Speed Vc(m/min)

Cutting Depth ap
(mm)

Feed Rate Fr
(mm/r)

Recommend CBN Grade

High Hardness Cast Iron (HRC35-68)

Roughing

35-120

1-10

0.15-1.0

BN-K1

Hardened Steel(≥HRC45)

Roughing

50-150

1-10

0.1-0.5

BN-S20


CBN Insert Solutions for Crushing Cone 
Component: Crushing Cone (High Manganese steel)
Selected CBN Grade: BN-S20 Solid CBN Insert
Common Models : SNMN1507,CNMN1204,RNMN2008,ect

Application Case

BN-S20 Turning high manganese steel crushing cone

Materials: High Manganese Steel
Selected Insert: BN-S20 SNMN150716
Cutting Condition:ap=7.5mm,Fr=0.5mm/r, Vc=65m/min

Insert Materials

Cutting Speed

Depth of Cut

Tool Life/edge

Halnn BN-S20

65m/min

7.5mm

2 pcs

Carbide Insert

19m/min

3.5mm

0.5 pcs

 

BN-S20 Milling high manganese steel Liner

Materials: High Manganese Steel Plate
Selected Insert: BN-S20 SNFN120716
Cutting Condition:ap=7.5mm,Fr=0.5mm/r, Vc=65m/min

Insert Materials

Cutting Speed

Feed Rate

Tool Life/edge

Halnn BN-S20

75m/min

0.2mm/r

270min

Carbide Insert

25m/min

0.15mm/r

25min

CBN Insert Solutions for Slurry Pump
Component: Slurry Pump (Impurities pumps, mud pumps, water pumps), impeller, liner, Cylinder liner,ect(Materials: Cr15Mo3, Cr15Mo2Cu,KmTBCr12,Cr20,Cr26 High Chromium alloy cast iron, white cast iron)
Selected CBN Grade: BN-K1 Solid CBN Insert
Common Models: SNMN1207,CNMN1204,RNMN1204

BN-K1 turning slurry pump body

Component:Slurry Pump Body
Materials: high Chromium Cast Iron Cr26, HRC60
Selected Insert:BN-K1 CNMN120712
Cutting Condition:ap=2.5mm, Fr=0.12mm/r,Vc=75m/min

Insert Materials

Lifetime/blade

Failure Mode

Halnn BN-K1

85 pieces

Normal Wear

Some Brand CBN

35 pieces

Damage Rupture

 

BN-K1 turning slurry pump impeller

Component:Slurry Pump impeller
Materials: high Chromium Cast Iron Cr26, HRC60,Heavy interrupt
Selected Insert:BN-K1 SNMN120712
Cutting Condition:ap=2.5mm, Fr=0.25mm/r,Vc=45m/min

Insert Materials

Lifetime/blade

Failure Mode

Halnn BN-K1

11 pieces

Normal Wear

Some Brand CBN

3 pieces

Damage Rupture 

 

BN-K1 machining high chromium cast iron wear steel

Materials: High chromium alloy cast iron,HRC60, Heavy interrupt cutting
Selected Insert: BN-K1 RNMN120400
Cutting Condition:ap=1.5mm, Fr=1.2mm/r,Vc=50m/min

Insert Materials

Width of Cut

Failure Mode

Halnn BN-K1

500mm

Normal Wear

Some Brand CBN

150mm

Damage Rupture 

 

 

 


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