MeasurementSystemsAnalysis(测量系统分析)ppt课件.ppt

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1、MeasurementSystemsAnalysis测量系统分析1PresentationWarmupExercise热身练习TheNecessityofTrainingFarmHandsforFirstClassFarmsintheFatherlyHandlingofFarmLiveStockisForemostintheEyesofFarmOwners.SincetheForefathersoftheFarmOwnersTrainedtheFarmHandsforFirstClassFarmsintheFatherlyHandlin

2、gofFarmLiveStock,theFarmOwnersFeeltheyshouldcarryonwiththeFamilyTraditionofTrainingFarmHandsofFirstClassFarmersintheFatherlyHandlingofFarmLiveStockBecausetheyBelieveitistheBasisofGoodFundamentalFarmManagement.Task:Youhave60secondstocountthenumberoftimesthe6thletterofthea

3、lphabetappearsattherightparagraph.Areyouready?Go!给你60秒的时间数出右边段落中第六个字母的出现次数.WarmupExerciseDocumentyouransweronascrapnoteAswereadtheanswers,typethemintoaMinitabdatasheet.RunahistogramontheresultsWhatareyourobservations?ObservedVariationWhichprocessisbest?Observed(Total)2T

4、otalVariability(Observedvariability)ProcessAProcessBMeasurementVariationWhichprocessisbest?=Meas.System2Observed(Total)2MeasurementVariabilityTotalVariability(Observedvariability)ProcessAProcessBPartVariationWhichprocessisbest?+Actual(Part)2=PartVariability(Actualvari

5、ability)Meas.System2Observed(Total)2ProcessAProcessBTotalVariability(Observedvariability)MeasurementVariabilityLSLUSLGoodPartsRejected?MeasurementUncertaintyWhatIsAnMSA?Scientificandobjectivemethodofanalyzingthevalidityofameasurementsystem一种科学客观的方法，用于有效的分析测量系统A“tool”wh

6、ichquantifies:一种工具，它量化：EquipmentVariation设备波动Appraiser(Operator)Variation评估者波动TheTotalVariationofaMeasurementSystem测量系统总的波动MSAisNOTjustCalibration测量系统分析不仅仅是校准MeasurementSystemAnalysisisoftena“projectwithinaproject”测量系统分析经常是”项目中的项目”MainSourcesOfVariationMaterials材料Methods

7、方法Machines机器People人员Environment环境Measures测量Measurementsystemsarethemostneglected测量系统经常被忽视测量系统：是用来对被测特性定量测量或定性评价的仪器或量具、标准、操作、方法、夹具、软件、人员、环境和假设的集合；用来获得测量结果的整个过程。(MSA手册第三版定义)MeasurementSystemAsAProcessCleanlinessTemperatureDimensionWeightCorrosionHardnessConductivityDensity

8、SequenceTimingPositioningLocationSet-upPreparationCleanlinessTemperatureDesignPrecisionCalibrationResol