6/22/2015 CuttingForces

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CuttingForcesForTurningApplication

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Unit: inch

HardnessHRBORHRCintoBrinellHardness(HB)

RockwellHRC: 32CalculateHardness

Ddiameter: 0.3 in

HBBrinellHardness: 302 HB

pPowerConstant: 0.76hp/ln.3/min.

apDepthofcut: 0.040 in

LLengthofcut: 5 in

fnFeedrate: 0.01 ipr.

VcCuttingspeed: 220 sfm.

EMachinetoolefficiencyfactor: 0.75

ConversionofWorkpieceMaterialRockwell(Optional)

SkipthisstepifyoualreadyknowtheBrinellhardnessnumber(HB)

CharacteristicsofWorkpieceMaterials

MachiningConditions

Calculate

6/22/2015 CuttingForces

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nSpindlespeed: 2801.1 rpm

QMetalremovalrate: 1.06 ln.3/min.

tcCuttingtime: 0.18 minsec

CalculatedMachiningConditions

FtTangentialforce: 120.384 lb

FfFeedforce: 61.63 lb

FrRadialforce: 54.06 lb

RResultantforce: 145.65 lb

CuttingForcesCalculation

PsHorsepoweratthecuttingtool: 0.8 hp

PmHorsepoweratthemotor: 1.07 hp

FfTorque: 1.5 ft.lbs.

CuttingForcesCalculation