刀具参数计算公式

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1、GeneraltechnicalinformationTurningcalculationformulaeSpeedvcCuttingspeedapFeedrateFcMetalremovalrateChipcrosssectionChipwidth,chipthicknessMaincuttingforcenSpeedrpmDcCutterdiametermmPowerrequirementvcCuttingspeedm/minvfFeedratemm/minfFeedperrevolutionmmQMetalremovalratecm3/minapDepthofcutmmAChipcros

2、ssectionmm2hChipthicknessmmCuttingtimebChipwidthmmκApproachangle°FcMaincuttingpowerNk2c1.1*SpecificcuttingforceN/mmfor1mm²chipcross-sectionmc*IncreaseinthekccurveRoughnessprofiledepthPmotDrivepowerkWthCuttingtimeminlmLengthofcutmmRmaxRoughnessprofiledepthμmrCornerradiusoftheinsertmmηEfficiencyofmach

3、ine(0.75–0.9)*mcandkc1.1seetableonpage¤H7¤H2GeneraltechnicalinformationDrillingcalculationformulaeSpeednCuttingspeedvfFeedperrevolutionfFeedratefznMetalremovalrate(drilling)vfPowerrequirementfzfTorquenSpeedrpmDcCutterdiametermmzNumberofteethvcCuttingspeedm/minFeedforcevfFeedratemm/minfzFeedpertoothm

4、mfFeedperrevolutionmmAChipcrosssectionmm2QMetalremovalratecm3/minPmotDrivepowerkWMcTorqueNmSpecificcuttingforceFfAxialforceNhChipthicknessmmk2cSpecificcuttingforceN/mmηEfficiencyofmachine(0.7–0.95)κApproachangle°k2c1.1*SpecificcuttingforceN/mmfor1mm²Chipcrosssectionwithh=1mmChipthicknessmc*Increasei

5、nthekccurve*mcandkc1.1seetableonpage¤H7¤H3GeneraltechnicalinformationMillingcalculationformulaeSpeedfzCuttingspeedhmvφmfFeedrateFeedpertoothDcφ2φsaeφ1MetalremovalratePowerrequirementφ2=90°MediumchipthicknessφsDcaeφ1y=ae–Dc/2ornSpeedrpmDcCutterdiametermmapDepthofcutmmasapproximationformulaforae/Dc<30

6、%aeWidthofcutmmzNumberofteethvcCuttingspeedm/minEngagementanglevfFeedratemm/minfzFeedpertoothmmwherecutterispositionedcentrallyQMetalremovalratecm3/minPmotDrivepowerkWhmMediumchipthicknessmmk2cSpecificcuttingforceN/mmwherecutterispositionedeccentricallyηEfficiencyofmachine(0.7–0.95)κApproachangle°φs

7、Engagementangle°φ1Up-cutmillingarea°φ2Synchronousmillingarea°k2cSpecificcuttingforceN/mmSpecificcuttingforce2kc1.1*SpecificcuttingforceN/mmfor1mm2chipcrosssectionmc*IncreaseinthekccurveyReverseengagem