Application Case For Large scale turning rolls-Rough turning /Finish turning/Semi-finishing/Profiled

ApplicationCaseForLargescaleturningrolls -Roughturning/Finishturning /Semi-finishing/Profiledrolls 01

RoughmachiningHighNi-CrAlloyCastIronRolls

Material:HighNi-CrCastIron,Hardness

HSD80

SelectedInsert:BN-K1

CuttingCondition:ap=9mm,

Fr=0.5mm/r,Vc=25m/min

SelectedInsert Efficiency

HalnnBN-K1Improved3times

CarbideInsert /

FailureModeComparision

BN-K1

BN-K1:NormalWear,itcanuse allcuttingedges. BN

OtherCBN

OtherCBN:Insertfragmented,it leadtoseriousloss.

Semi-finishingchilledcastironrolls

Material:Chilledcastironrolls,HardnessHSD67

SelectedInsert:BN-K1

CuttingCondition:ap=2mm, Fr=0.5mm/r,Vc=66m/min

SelectedInsertEfficiencyLifetime

HalnnBN-K1Improved2times3times

CarbideInsert / /

BN-K1 BN-K1

Finishturningforgedsteelcoldrolls

Material:Forgedsteelcoldrolls,Hardness

HRC60

SelectedInsert:BN-20

BN-S20

InsertmaterialEfficiency

HalnnBN-S20Improved5 times

CarbideInsert /

Material:HighBoronSteel, HardnessHSD68

SelectedInsert:HLCBN

InsertmaterialMachining Effect

HalnnHLCBN24holes/insert

TurningthehighboronsteelrollsGroove

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