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7PrecisemachiningNontraditionalmachining7.1Precisemachining7.1.1PrecisecuttingtheoryMinimumofcuttingdeepMicro-formationofmachinedsurfacePressofmicro-cuttingtip7.1.2PrecisecuttingASpindleandguidewayAirbearingspindleAirbearingspindleRollerbearingguidewayHydrostaticguidewayAirguidewayRollingscrewrodHydrostaticscrewrodBMicro-feedmechanismElasticbodydrivemechanismElectrostrictivetransducerprincipleElectrostrictivemicrodispacivemechanismLasergaugesystemAirbearingworkbenchstructure7.1.3Precisegrinding□Ultra-hardnessgrindingwheelUltra-hardnessgrindingwheelGrindingforce7.2Nontraditionalmachining7.2.1Electrolyticmachining□WorkingprincipleElectrolyticprocessClearanceofelectrolyticprocessClearanceofelectrolyticprocess7.2.2ElectricaldischargemachiningElectrodeholdingheadElectrodemotionpathElectrodeoilcupstructureMachinedsurfacetaperMachinedsurfacetaperElectrodestructuresContourofelectrodeandmoldStepelectrodeElectrodepathandpositiononworkingElectrodestructuresPockettypeelectrodeMachinedroundMachiningparametersandprocessrequiresElectrodematerials7.2.3CombinedmachiningACuttingbaseCombinedmachiningMagnetizedcuttingCoolcutting-jetCo2Coolcutting-liquidnitrogenBCombinedelectrolyticgrindingGrindingprocessCCombinedelectrolytichoningDeepholehoningDCombinedelectrolyticbuffing□Electrolyticlapping-wheelMagneticabrasivelappingMagneticelectrolyticlappingEMEECgrindingmechanism□grindingconductivematerialsMEECgrindingmechanism-grindingnon-conductivematerials