Ford_福特GDT形位公差培训材料_全集

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1、GD&TforBody1GD&TforBodyEngineeringCoursecontentIntroductiontoGD&T5StepProcess2GD&TforBodyEngineeringIntroductionWhatisGD&THowitaffectsFordMotorCompany3GD&TforBodyEngineeringWhatisGD&TGeometricDimensioningandTolerancingisatechnicaldatabasethroughwhichourProductDesignandManufacturingO

2、rganisationscantalktooneanotherviaProductData,whetheronpaperorthecomputergraphicsscreenItistheengineeringproductdefinitionstandardthatgeometricallydescribesdesignintentandprovidesthedocumentationbaseforthedesignofthequalityandproductionsystem.ItisatechniqueofcommunicationbetweenProd

3、uctEngineeringandManufacturingEngineeringthatpromotesauniforminterpretationoftherequirementsformakingacomponent.4GD&TforBodyEngineeringWhatisGD&TGDTprovidesthedimensionsofthecomponentandthetolerancesinalanguagethateliminatesconfusingandinconsistentnotes,datumlines,andlocationpointid

4、entifications,andreplacesthemwithstandardsymbolsthatrefertoauniversalcode.Thiscodedescribesthedimensionsandtolerancesofthecomponentwithreferencetotherelationshipsofthefeaturestoeachotherandtheirfunctionalinterfaceswithmatingparts,assemblies,etc.5GD&TforBodyEngineeringAuthorisationIn

5、1990FordWorld-wideadoptedtheAmericanNationalStandardforDimensioningandTolerancing,currentlytheASMEY14.5M1994.TheauthorisationfortheaboveisdocumentedinStandardD-1oftheFordEngineeringCADandDraftingStandardsandisreferencedonallourreleaseddata.ThisinformationcanbeaccessedviaFordintranet

6、;http://www-wise.ford.com/non-regulatory.htmlTheabovedocumentalsocontainsanelectroniccopyoftheASMEY14.5M1994DimensioningandTolerancingStandard.6GD&TforBodyEngineeringApplicationTheapplicationofGDTisinitiallytheresponsibilityoftherelevantComponentEngineer,howeverteamworkisthekeytoth

7、ecorrectapplicationthroughthecomponentCoreTeam.Thisprovidestheopportunityforalldisciplinestocontributetheirpartofthetotaldesignpackage.Itensurespartdatawillsatisfydesignintentaswellasmanufacturingandinspectionrequirementsbasedonfunction,machinecapabilityandavailabletechnology.7GD&Tf

8、orBodyEngineeringAp