数控技术（双语教学版）课件

CNCTechnologyC_600MillingTheworkprocessofNCCRTPartdrawingProgrammHandbookN1G18N2G51……MachineToolCNCOperationpanelServo-driveunitUSBflashdriveofCNCmachineGearcaseDisplacementvalueInstructionWorktableServomotorComparecircuitServoamplifierMeasuringfeedbackFeedback

Closed-Loopservo-drive

CNCTechnologyDownmillingUpmilling%MMISOSubprogram%PMISOProgramstartmainprogram%TMISOToolcompensationtableN9001-PartprogramandsubprogramnumberX+/-9999,99Distance/moveinmmY+/-9999,99Distance/moveinmmZ+/-9999,99Distance/moveinmmB+/-9999,99Distance/moveindegreesR+/-9999,99CircleradiiinmmI+/-9999,99CirclecenterinXJ+/-9999,99CirclecenterinYK+/-9999,99CirclecenterinZS20-99999SpindleRPMT0-99TooloffsetnumberE0-99ParameterinsubprogramsM00ProgramstopM02EndofprogramM03Spindlestart(forwardCW)M04Spindlestart(reverseCCW)M05SpindlestopM06Manual/AutomatictoolchangeM07InternalcoolinglubricantsupplyONM08ExternalcoolinglubricantONM09CoolinglubricantsupplyOFFM19SpindlestopwithdefinedfinalpositionM30ProgramendwithresetofCNCcontrolsystemtoreadyconditionM66ManualtoolchangeinthepositionlastmovedtoM67TooldataactivationwithouttoolchangeM98TransfertosubprogramM99EndofsubprogramCNCTechnologyφ403080φ30N10G0X30Z80G01φ403080φ30N20G1X30Z80N21G1X40Z30G96G11exampleSAELLPWZXWZXCNCTechnologyCNCTechnologyXXZY(-29.93,71.67)(29.93,71.67)(29.93,-71.67)(-29.93,-71.67)+X+YG90G1

B2=36L2=100L2=100B2=36°AE+X+YG91G1

B1=25L1=68EAL1=68B1=25°+X+YG90G1

X80B2=25EAB2=25°80+X+YG91G1

X60B1=25EAB1=25°60G3X25Z40R15+X+Z+X+ZG2X55Z40R15408040R15+X+YG90G1X80Y40G1X120Y25BA8040C25120+X+YG91G1X60Y20G1X40Y-15BA(20，20)8040C25120MirrorExampleScaleCNCTechnologyCNCTechnologyToolsettingCADCAMCAM

CAD/CAMCNCTechnology(Xe，Ye)(Xm，Ym)YLinearX1.PointbypointcomparisonmethodinterpolationRXY(Xm，Ym)Arc

2.PointbypointcomparisonmethodcirculararcsinterpolationArcinterpolationSmaestepinterpolation3.4FormsofCompensationA’B’C”CBAG41Cutter/ToolG42Cutter/ToolProgrammedpathCuttercentrode(Actualpath)C’ReasonsforCutterRadiusCompensation

U：built-inPLCR：stand-alonetypeCNCTechnologyServoMToolmotorSpindlemotorServomotorwithbrakestaffDrivemotorManipulatormotorThree-phasesixpatsteppermotorCNCTechnologyThePrincipleoftheOpticalGratingOpticalgratingEncoder

sincos2τ（2mm）（0.5mm）USU0U0θ1USCNCTechnologyTimebelt1Spindle

designSpindleofnumericallycontrolledlatheNCElectro-spindleoflatheNCElectro-spindleofmillingmachineRollingguideBallScrewLinearmotionballguideXZYCMM(CoordinateMeasuringMachining)AirFilmGuideSlidingguideRotatedWorkingTableRotatedWorkingTableofNCMachine

CNCTechnologyToolmaterialWorkmaterialsRemarksCarbonsteelsLowstrength,softermaterials,nonferrousalloys,plasticsLowcuttingspeeds,lowstrengthmaterialsLow/mediumalloysteelsLowstrength,softermaterials,nonferrousalloys,plasticsLowcuttingspeeds,lowstrengthmaterialsHSSAllmaterialsoflowandmediumstrengthandhardnessLowtomediumcuttingspeeds,lowtomediumstrengthmaterialsCementedcarbidesAllmaterialsuptomediumstrengthandhardnessNotsuitableforlowspeedapplicationCoatedcarbidesCastiron,alloysteels,stainlesssteels,superalloysNotfortitaniumalloys,notfornonferrousalloysasthecoatedgradesdonotofferadditionalbenefitsoveruncoated.CeramicsCastiron,Ni-basesuperalloys,nonferrousalloys,plasticsNotforlowspeedoperationorinterruptedcutting.Notfo