51108088-100咨询***：18506919598（卢工）***：312782195在数控加工中,刀具“补偿”与“偏置”的实质是一样的,只是叫法不同,可认为是一个问题的两种表述,读者不必追究其差异性。FANUC0i数控系统的偏置画面中称为“偏置”,而实际中常常又叫“补偿”。若要过于追究的话,可参考FANUC***手册的说法,即实现刀具位置移动的叫“偏置”,而修正刀具半径偏差的叫“补偿”。现代数控系统一般将刀具偏置分为外形偏置与磨损偏置两部分管理。如图所示为FANUC0iMate-TC数控系统的偏置画面。在偏置画面中,可看到5列数据,分别为偏置号No．××、偏置X、偏置Z、刀尖圆弧半径R和理论刀尖方位号T,其中,X和Z称为刀具位置偏置,R和T称为刀尖圆弧半径补偿。偏置号前的G(见图a)为英文单词Geometry(几何)的***个字母,所以外形偏置画面常常称为几何偏置;而偏置号前的W为英文单词Wear(磨损)的***个字母,即图b所示为磨损偏置画面。图刀具偏置画面a)外形偏置画面b)磨损偏置画面外形偏置一般控制刀具安装偏差或形状偏差,其数值较大;而磨损偏置多用于刀具磨损的补偿以及加工尺寸的微调,其数值较小。刀具的实际偏置等于外形偏置与磨损偏置两部分的代数和。另外,外形偏置还常常用于建立工件坐标系。偏置轨迹分析时常用到偏置矢量的概念,所谓偏置矢量实际上是偏置存储器中X和Z两偏置分矢量(带符号的偏置分量)的合成矢量。应用技巧与禁忌:1)系统参数No．5002#1(LGN)用于设置刀具的外形偏置号与磨损偏置号是否相同,默认设置为相同(LGN=0)。2)系统参数No．5002#2(LWT)用于设置刀具磨损补偿是用刀具移动实现还是用坐标系偏移实现,默认设置为用刀具移动进行补偿(LWT=0),其补偿动作的实现必须在刀具直线移动程序段进行。3)系统参数No．5002#4(LGT)用于设置刀具外形补偿是用刀具移动实现还是用坐标系偏移实现,默认设置为用坐标系偏移进行补偿(LGT=0),此时与LWM设置无关,在T指令程序段补偿。其偏置动作的实现通过坐标系的移动实现。此时刀具一般不动,仅是坐标值发生变化(即坐标系产生了移动)。4)系统参数No．5002#5(LGC)用于设置00偏置号时是否取消刀具外形补偿,LGC=0时为不取消(LGC=0)。5)系统参数No．5003#6(LVC)用于设置按下「复位键」时是否取消偏置量,LVC=0时为不取消偏置量。AutomatedLogicG4106pControlModuleG4106pG4106PLCG4106PAutoALCHVACADT4520-431SignalSystemControlUnitAssemblyPLC25-FD-45202FireAlarmi***et6300VATyp:DLWN-G6,3Pri:3x200-415...575-6?00VSec:3x400V3x9,1AStrongarm44-4004-0014StainlessSteel15.1"FlatPanelDisplayMonitor4XSSBaslerElectricBE1-51/27ROvercurrentRelayM1EZ1PB0N0FBE15127RSolidStateGACSAMIVContinuousMultiRefrigerantMonitorHCFC-123PPM03543HCFC123PPMMerlinGerinNEWCCCL6714683PLCPCInterfaceBoardMGMGEEPGEPEBaldorFincorIMO5HPDCMotor1750RPMAD259ATC500VDC9.20Amps5HP1750RPMRomanTR-56AXWeldingTransformerTR56120KVA440VREMRefurbishedAPVCrepacoPlateFrameHeatExchangerSR14AP316SS19962517sqft-20to150MooreSiemensQLCAMAANPLCCAMCriticalAnalogModule16404-1/OAQuadLog1/0ADSAPPTH-ChargingPPTHChargerIPCS-LAD-PPTHdiagnosticportableteststationBentlyNevada105401-02SamplerCardTDXnetPLCTransientDataInterface3407AlfaL***alPlateFrameHeatExchanger1620SqFt150PSI304StainlessPlatesFalk7.52-1040FZ2AA7.5HP20.12Ratio1750RPMIn84RPMOutGearReducerDriveTaylorMOD301700RZ14004A-88?10ControllerwPowerSuplOrientecDAM-10000BDigitalIndicatorDAM10000BMonitorOperatorInterfaceHoneywellGGSI51401914-100HDWBFWAR40051400996-100RevCPLCBoardModuleREBUILTFalk7GDA40HP11.46Ratio1750/152RPM2.4SFGearReducerDriveTECOWestinghouseMA7200-4075-N1110KVA75HPVSDrive380-460VMA72004075N1AutomatedLogicX4106pPointExpanderControlModuleMX4106pMX4106PLCX4106PUtilityRelayCompanyAC-ProACTripUnitMicro-Controlle?rBasedB-561QTACPRO***arteyeSP2000/04TwinPanelMountInterfaceControlUnitSP200004MonitorServomexSeries2010Controller2500A1***20mA115VMonitorMicroMotionD100S-SSMassFlowSensorStainlessSteelD100SSS2250PSID100SSSREBUILTNuttallTR1214.7/59HP49.07Ratio6.1/24.5RPMGearReducer91R56914RBLTWestinghouseS15H150HP92/25Ratio383RPM2.18SFGearReducer80R18984RBLTWestinghouseS12H150HP123/2.0Ratio219RPM2SFGearReducer80R18988FoxboroI/ASeriesP0961BD-0EGatewayProcessorGW30BPLCPO961BD-OEinvensysEncorpGPCKohlerPTC222220201.001.02GM11602GeneratorenpowerControllerPTCOmega4002A-JCDigitalTemperatureController4002AJC.Range:0-500CJDSAPPTH-ChargingPPTHChargerIPCSLAD-PPTHDSdiagnosticportableteststationSkyway600kVA460Deltato230Delta3PHType:ANNDryTypeTransformer600kVAADTB4520-130SignalSystemControlUnitAssemblyPLC92-FD-45201FireAlarmADTB4520-130SignalSystemControlUnitAssemblyPLC92-FD-45202FireAlarmADTB4520-431SignalSystemControlUnitAssemblyPLC93-FD-45201FireAlarmBentlyNevada3500/60TemperatureMonitorPLCModule350060TempBentleyPringle800Amp600VKnifeSwitchDCHzS3150S3150800ADisconnectManualChillRoll,ChromePlated-Diameter:36",RollLength:100",Shaft:141",ChromiumMerlinGerinNEWRICL6714620PLCPCBoardMGNIB6714618MGEUPSSystemsEPEMagnetrol341UltrasonicTran***itter341-2442-1004X3412442100MilltronicsSAM-30SatelliteAlarmModuleSAM30PCBoardSiemensTerminalEmersonM035480PositioningServoDriveMotionControlw/PCM-1MotionProgramBaldorFincorIMO5HPDCMotor1750RPMAD259ATC500VDC9.20A5HP1750RPMDaykinMDGTB-13VoltageTransformerDisconnectSwitchMDGTB13750VA480VTopazMP115kVA208/240/480-120?/208/2401PH63678-20NoiseIsolationTransformerMerlinGerinNEWICOZ16739822PLCPCBoardMGNIB6739821XDMGEUPSSystemsEPEMerlinGerinNEWIBEZ6739830PLCPCBoardMGNIB6739825XDMGEUPSSystemsEPEChillRoll,ChromePlated-Diameter:18",RollLength:100",Shaft:133",ChromiumChillRoll,ChromePlated-Diameter:24",RollLength:100",Shaft:136",ChromiumMerlinGerinNEWGTCZ67398286739827XDPLCPCBoardMGMGEEPGEPERFLIndustries67BReceiverD-101113DRB-1HC95738D.R.B.-3Filter,DiscrimPLCBaslerElectricBE1-27UnderVoltageRelayA3EE1LA0N1FA3EE1LA0N1FBE127EmersonSE5340300040HPCommanderSEVSACDriveControlTechniques30kW40TWatlowDC30-24K2-0000DIN-a-miteSolidStatePowerControlDC3024K20000MerlinGerinNEWBAIZ6739902PLCPCBoardMGNIB6739106XDMGEUPSSystemsEPERexrothIndramatMDD112C-N-030-N?2M-130PB0PermanentMagnetServoMotor3000minWatlowDB1C-3024-K200DIN-a-miteSolidStatePowerControlDB1C3024K200RelayCerberusPyrotronics580-194047-4MMB-2315-095097PLCBoardFireAlarmModuleDry/ChillRollChromePlated-Diameter:30"RollLength:100"Shaft:136"ChromiumJohnsonControlsNU-NCM300-701MetasysNetworkCont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