Turning Cast Iron inserts
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Turning Cast Iron inserts

Full name: Turning Cast Iron CBN inserts, Solid CBN inserts

Machining Hardness Range: HRC35-HRC68

Machining Materials: high chromium cast iron, nickel hard cast iron, high nickel chromium alloy, chilled cast iron, white cast iron, gray cast iron, etc.;

Machining Type: Grinding instead of Turning, Roughing, Semi-Finishing and Finishing

Continuous and interrupted processing possible


Product Description

Recommend cast iron CBN inserts

Solid CBN Inserts RNMN RNGNSolid CBN Inserts SNMN SNGNSolid CBN Inserts CNMN CNGNSolid CBN inserts RCGX-VSolid CBN Inserts RCGX-YSolid CBN Inserts SCGN

RNMN/RNGN

SNMN/SNGN

CNMN/CNGN

RCMX-V

RCGX-Y

SCGN

Brazed inserts TNGA-6SBrazed inserts CNGA-4SBrazed inserts WNGA-6S


TNGA

CNGA

WNGA






Performance advantages:

High hardness;

Good wear resistance and chipping resistance;

Excellent impact resistance and fracture resistance;

High cutting efficiency and long tool life;


Application fields

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

Industries: Metallurgical Rolls, Cement building materials machinery, Power Equipment, automotive industry, Mining machinery etc.;

Workpieces: Slurry pump, Impeller, Roll, Liner, Cone Crusher, brake discs, brake drums, pulleys, air-conditioning compressors, etc.


Cutting Parameters

Machining material

Recommended cutting parameters

CBN insert Grade

        Cutting speed         VC(m/min)

   Cutting Depth   ap (mm)

       Feed Rate        Fr(mm/r)

High hardness cast iron (HRC35-68)

35-120(Roughing)

1-10

0.15-0.8

BN-K1

60-180(Finishing)

≤1

0.05-0.35

Grey cast iron

400-1200(Roughing)

1-10

0.2-1

BN-S30, BN-S300

600-2000(Finishing)

≤1

0.05-0.3

300-1500(Finishing)

≤1

0.05-0.3

 BN-K20, BNK30



Application cases


CNMN1207 CBN  inserts turning Slurry pump body

Workpiece: Slurry pump body

Material: Cr26(Hardness HRC60)

Insert Type: BN-K1 CNMN120712

Cutting parameters: Vc=75m/min, Fr=0.12mm/r, ap=2.5mm

Processing method: dry cutting

Insert grade

Tool Life/edge

Failure mode

Halnn BN-K1 CBN inserts

85pcs

Normal wear

Some brand CBN

35pcs

Damage rupture




Workpiece: Slurry Pump impeller

SNMN1207 CBN  inserts turning Slurry pump impeller

Materials: High chromium cast iron Cr26(Hardness HRC60)

Insert TypeBN-K1 SNMN120712  

Cutting parametersVc=75m/min, Fr=0.12mm/r, ap=2.5mm

Processing method: Heavy Interrupt dry Turning

Insert grade

Tool Life/edge

Failure mode

Halnn BN-K1

11pcs

Normal wear

Some brand CBN

3pcs

Damage rupture




Halnn BN-K1 CNMN120712 CBN inserts machining High Chromium alloy cast iron

Workpiece Material: High Chromium alloy cast iron

Material: Cr26(Hardness HRC60)

Insert Type: BN-K1 CNMN120712

Cutting parameters: Vc=75m/min, Fr=0.12mm/r, ap=2.5mm

Processing method: dry cutting

Insert grade

Cutting Width

Failure mode

Halnn BN-K1

500mm

Normal wear

Some brand CBN

150mm

Damage rupture




Workpiece: Rolls

BN-K1 RNMN1204 CBN  inserts machining rolls

Materials: Chilled cast iron (Hardness HSD67)

Insert TypeBN-K1 RNMN120400/CNMN1207  

Cutting parametersap=2mm, Fr=0.5mm/r, Vc=66m/min

Processing method: Dry Turning

Insert grade

Efficiency

Life time

Halnn BN-K1

Improved 2times

3 times

Carbide Insert

/

/





Finishing Brake drum

Workpiece: Brake drum

Material: Gray cast iron

Insert Type: BNK30 WNGA080408

Cutting parameters: Vc=650m/min, Fr=0.2mm/r, ap=0.5mm

Processing method: dry cutting

Insert grade

Tool Life/edge

Roughness

Halnn BNK30

120pcs

Ra1.6

Some brand CBN

70pcs

Ra2.0





Workpiece: Bear of air conditioner compressor

WNGA 080408 CBN inserts turning Bear of air conditioner compressor

Material: Gray cast iron

Insert Type: BNK30 WNGA080408

Cutting parameters: Vc=600m/min, Fr=0.25mm/r, ap=0.3mm

Processing method: dry cutting

Insert grade

Cutting Speed

Tool Life/edge

Halnn BNK30

600m/min

500pcs

Coated carbide inserts

330m/min

80pcs




CNGA120408 PCBN inserts turning Pulley

Workpiece: Pulley

Material: Gray cast iron

Insert Type: BN-K20 CNGA120408

Cutting parameters: Vc=550-700m/min, Fr=0.25mm/r, ap=0.3mm

Processing method: dry cutting

Insert grade

Roughness

Tool Life/edge

Halnn BNK20

Ra1.6

200pcs

Some brand CBN

Ra3.2

35pcs




Workpiece: Brake Disc

Finishing Brake disc

Material: Gray cast iron

Insert Type: BN-S300 SCGN090408

Cutting parameters: Vc=800m/min, Fr=0.2mm/r, ap=0.25mm

Processing method: dry cutting

Insert grade

Insert Type

Cutting Speed

Tool Life/edge

Halnn BN-S300

SCGN090408

800m/min

300pcs

Coated carbide inserts

CNMG120408

300m/min

15pcs




Roughing Brake disc

Workpiece: Brake Disc

Material: Gray cast iron(HT250)

Hardness: HB170~210

Insert Type: BN-S30 CNMN120712

Cutting parameters: Vc=500m/min, Fr=0.55mm/r, ap=2mm

Processing method: dry cutting

Insert grade

Cutting Speed

Tool Life/edge

Efficiency

Halnn BN-S30

500m/min

200pcs

Improved 1.8 times

Carbide Insert

180m/min

30pcs

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Workpiece: Brake Drum

Roughing Brake drum

Material: Gray cast iron(HT250)

Hardness: HB170~210

Insert Type: BN-S30 CNMN120716

Cutting parameters: Vc=380/min, Fr=0.65mm/r, ap=2.5mm

Processing method: dry cutting

Insert grade

Cutting Speed

Tool Life/edge

Efficiency

Halnn BN-S30

380m/min

95pcs

Improved 1.5 times

Coated Carbide Insert

150m/min

15pcs

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