3DCS公差分析应用指南专题讲座

邹昱章技术部经理华盛扬科技有限公司3DCS公差分析应用指南3DCS公差分析3DCSToleranceAnalysisWorkflow数据准备DataPreparation定义零件到工装的MoveCreatingPart-to-FixtureMove定义工装定位块和定位销的ToleranceCreatingFixturePad/PinTolerance定义MeasurementCreatingMeasurement定义焊装过程的MoveCreatingWeldMove定义焊点位置零件的ToleranceCreatingPartToleranceatWeldPointPosition分析Analysis编制Reporting3DCS公差分析流程3DCSToleranceAnalysisWorkflow数据准备DataPreparation定义零件到工装的MoveCreatingPart-to-FixtureMove定义工装定位块和定位销的ToleranceCreatingFixturePad/PinTolerance定义MeasurementCreatingMeasurement定义焊装过程的MoveCreatingWeldMove定义焊点位置零件的ToleranceCreatingPartToleranceatWeldPointPosition分析Analysis编制报告ReportingCAD数据CADdata工艺流程图FlowChartMLP表MLPForms技术要求MajorTechnicalSpecifications产品质量基准GD&TDrawing3DCS公差分析流程3DCSToleranceAnalysisWorkflow数据准备DataPreparation定义零件到工装的MoveCreatingPart-to-FixtureMove定义工装定位块和定位销的ToleranceCreatingFixturePad/PinTolerance定义MeasurementCreatingMeasurement定义焊装过程的MoveCreatingWeldMove定义焊点位置零件的ToleranceCreatingPartToleranceatWeldPointPosition分析Analysis编制报告Reporting定义MoveCreatingMove定义零件的DCSPointCreatingPartDCSPoint定义定位销销径公差CreatingFixturePinSizeTolerance定义孔销偏移CreatingHole/PinFloating复制零件的DCSPoint到工装CopingPartDCSPointtoFixture定义定位孔孔径公差CreatingHoleSizeTolerance3DCS公差分析流程3DCSToleranceAnalysisWorkflow数据准备DataPreparation定义零件到工装的MoveCreatingPart-to-FixtureMove定义工装定位块和定位销的ToleranceCreatingFixturePad/PinTolerance定义MeasurementCreatingMeasurement定义焊装过程的MoveCreatingWeldMove定义焊点位置零件的ToleranceCreatingPartToleranceatWeldPointPosition分析Analysis编制报告Reporting定义工装定位块型面的ToleranceCreatingFixturePadProfileTolerance定义工装定位销位置的ToleranceCreatingFixturePinPositionTolerance3DCS公差分析流程3DCSToleranceAnalysisWorkflow数据准备DataPreparation定义零件到工装的MoveCreatingPart-to-FixtureMove定义工装定位块和定位销的ToleranceCreatingFixturePad/PinTolerance定义MeasurementCreatingMeasurement定义焊装过程的MoveCreatingWeldMove定义焊点位置零件的ToleranceCreatingPartToleranceatWeldPointPosition分析Analysis编制报告Reporting定义MoveCreatingMove定义零件焊点的DCSPointCreatingDCSWeldPointsonPart复制零件焊点的DCSPoint到焊装的另外一个零件CopingDCSPointsfromParttoWeld-toPart3DCS公差分析流程3DCSToleranceAnalysisWorkflow数据准备DataPreparation定义零件到工装的MoveCreatingPart-to-FixtureMove定义工装定位块和定位销的ToleranceCreatingFixturePad/PinTolerance定义MeasurementCreatingMeasurement定义焊装过程的MoveCreatingWeldMove定义焊点位置零件的ToleranceCreatingPartToleranceatWeldPointPosition分析Analysis编制报告Reporting定义焊点位置零件的ToleranceCreatingPartProfileToleranceatWeldPointPosition定义焊点位置另外一个焊装零件的的ToleranceCreatingWeld-toPartProfileToleranceatWeldPointPosition3DCS公差分析流程3DCSToleranceAnalysisWorkflow数据准备DataPreparation定义零件到工装的MoveCreatingPart-to-FixtureMove定义工装定位块和定位销的ToleranceCreatingFixturePad/PinTolerance定义MeasurementCreatingMeasurement定义焊装过程的MoveCreatingWeldMove定义焊点位置零件的ToleranceCreatingPartToleranceatWeldPointPosition分析Analysis编制报告Reporting(如果需要定义用于Measurement的DCSPoints)(CreatingDCSPointsforMeasurementwhenneeded)定义MeasurementCreatingMeasurement3DCS公差分析流程3DCSToleranceAnalysisWorkflow数据准备DataPreparation定义零件到工装的MoveCreatingPart-to-FixtureMove定义工装定位块和定位销的ToleranceCreatingFixturePad/PinTolerance定义MeasurementCreatingMeasurement定义焊装过程的MoveCreatingWeldMove定义焊点位置零件的ToleranceCreatingPartToleranceatWeldPointPosition分析Analysis编制报告ReportingUpdateModelUpdateModel分析AnalysisNominalBuildNominalBuild3DCS公差分析流程3DCSToleranceAnalysisWorkflow数据准备DataPreparation定义零件到工装的MoveCreatingPart-to-FixtureMove定义工装定位块和定位销的ToleranceCreatingFixturePad/PinTolerance定义MeasurementCreatingMeasurement定义焊装过程的MoveCreatingWeldMove定义焊点位置零件的ToleranceCreatingPartToleranceatWeldPointPosition分析Analysis编制报告Reporting编制报告Reporting操作步骤DetailSteps1.数据准备DataPreparation2.定义零件到工装的MoveCreatingPart-to-FixtureMove2.1.定义零件的DCSPointCreatingPartDCSPoint2.2.定义定位孔孔径公差CreatingHoleSizeTolerance2.3.复制零件的DCSPoint到工装CopingPartDCSPointtoFixture2.4.定义定位销销径公差CreatingFixturePinSizeTolerance2.5.定义MoveCreatingMove2.6.定义孔销偏移CreatingHole/PinFloating3.定义工装定位块和定位销的ToleranceCreatingFixturePad/PinTolerance3.1.定义工装定位块型面的ToleranceCreatingFixturePadProfileTolerance3.2.定义工装定位销位置的ToleranceCreatingFixturePinPositionTolerance4.定义焊装过程的MoveCreatingWeldMove4.1.定义零件焊点的DCSPointCreatingDCSWeldPointsonPart4.2.复制零件焊点的DCSPoint到焊装的另外一个零件CopingDCSPointsfromParttoWeld-toPart4.3.定义MoveCreatingMove5.定义焊点位置零件的ToleranceCreatingPartToleranceatWeldPointPosition5.1.定义焊点位置零件的ToleranceCreatingPartProfileToleranceatWeldPointPosition5.2.定义焊点位置另外一个焊装零件的的ToleranceCreatingWeld-toPartProfileToleranceatWeldPointPosition6.定义MeasurementCreatingMeasurement7.分析Analysis8.编制报告Reporting1.数据准备DataPreparationStep1：根据MLP表，装配流程表等规划公差分析的Move。TipsfordefineMovesThePrimaryplaneislargestplanetocreatepoint1,2,3TheSecondaryplaneissecondlargestplanetocreatepoint4,5TheTertiaryplaneissmallestplanetocreatepoint61.数据准备DataPreparationStep2：ASM/Tools/GenerateCATPartfromProduct,将不需要分解的分总成的装配模型转换为CATPart。Step3:创建用于公差分析的装配模型（如右图所示）***_Fix表示是工装，是空的CATPart，以后将复制3DCSpoint到其中。2.1.定义零件的DCSPointCreatingPartDCSPointStep1:选择3DCS/Features/FeaturePoint。Step2:选择FastPointCreation选项，定义零件的DCSPoint。2.2.定义定位孔孔径公差CreatingHoleSizeToleranceStep1：选择3DCS/Features/EditPointStep2：选择SizeTolerance选项，定义孔径及孔径公差（长安汽车标准0-0.2mm）2.3.复制零件的DCSPoint到工装CopingPartDCSPointtoFixtureStep1：选择3DCS/CopyDataStep2:选择PickParts选项，将零件中的DCSPoint复制到工装中。Step3:在工装中将复制过来的点更改名称，以便于以后定义Move。2.4.定义定位销销径公差CreatingFixturePinSizeToleranceStep1：选择3DCS/Features/EditPointStep2：选择SizeTolerance选项，定义工装上的定位销的销径（长安汽车标准小于孔径0.1mm），销径公差（长安汽车标准-0.1到-0.15mm）。2.5.定义MoveCreatingMoveStep1：选择3DCS/MTM-GD&T/MoveStep2：选择分总成的CATProduct文件Step3：定义如右图所示2.6.定义孔销偏移CreatingHole/PinFloatingStep1：选择Options选项Step2：定义如右图所示3.1.定义工装定位块型面的ToleranceCreatingFixturePadProfileToleranceStep1：选择3DCS/MTM-GD&T/ToleranceStep2:选择工装零件***_FixStep3：如右图所示，定义工装定位块型面的公差（长安汽车标准-0.05到0.05mm）Tolerancetype:LinearMode:IndependentDirectionDir#1:AssocDirDeviation(表示)Rand#1_Distribution:NormalRand#1_Range:0.1mmRand#1_Offset:03.2.定义工装定位销位置的ToleranceCreatingFixturePinPositionToleranceStep1：选择3DCS/MTM-GD&T/ToleranceStep2:选择工装零件***_FixStep1：如右图所示，定义工装定位销位置的公差（长安汽车标准-0.05到0.05mm）Tolerancetype:CircularMode:IndependentDirectionDir#1:AssocDirDeviation(表示)Rand#1_Distribution:UniformRand#1_Range:0.1mmRand#1_Offset:0mmRand#1_Distribution:NormalRand#1_Range:360degRand#1_Offset:0deg4.1.定义零件焊点的DCSPointCreatingDCSWeldPointsonPartStep1:选择3DCS/Features/FeaturePoint。Step2:选择FastPointCreation选项，定义零件的DCSPoint。4.2.复制零件焊点的DCSPoint到焊装的另外一个零件CopingDCSPointsfromParttoWeld-toPartStep1：选择3DCS/CopyDataStep2:选择PickParts选项，将零件中的DCSPoint复制到焊装的另外一个零件中。Step3:在焊装的另外一个零件中将复制过来的点更改名称，以便于以后定义Move。4.3.定义焊装过程的MoveCreatingWeldMoveStep1：选择3DCS/MTM-GD&T/MoveStep2：选择分总成的CATProductStep3：定义如右图所示5.1.定义焊点位置零件的ToleranceCreatingPartProfileToleranceatWeldPointPositionStep1：选择3DCS/MTM-GD&T/ToleranceStep2:选择零件Step3：如右图所示，定义零件的形状公差（长安汽车标准-0.7到0.7mm）Tolerancetype:LinearMode:IndependentDirectionDir#1:AssocDirDeviation(表示)Rand#1_Distribution:NormalRand#1_Range:0.1mmRand#1_Offset:05.2.定义焊点位置另外一个焊装零件的的ToleranceCreatingWeld-toPartProfileToleranceatWeldPointPositionStep1：选择3DCS/MTM-GD&T/ToleranceStep2:选择另外一个焊装零件零件Step3：如右图所示，定义零件的形状公差（长安汽车标准-0.7到0.7mm）Tolerancetype:LinearMode:IndependentDirectionDir#1:AssocDirDeviation(表示)Rand#1_Distribution:NormalRand#1_Range:0.1mmRand#1_Offset:06.定义MeasurementCreatingMeasurementStep1：定义用于Measurement的DCSPoint选择3DCS/MTM-GD&T/MeasurementStep2:选择分总成的CATProduct文件Step3：定义Measurement如右图所示7.分析AnalysisStep1:UpdateModelStep2:NominalBuildStep3:选择3DCS/StatisticalAnalysis/SimulationStep4:选择3DCS/StatisticalAnalysis/SensitivityStep5:选择3DCS/StatisticalAnalysis/Geofactor8.编制报告Reporting编制报告END