.doc格式] 由飞行员集体返航事件引发的法律问题思考

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1、GeneralSewingData预定动作时间系统GeneralSewingData(GSD)wasdevisedbyMethodsWorkshopLimitedandfirstpublishedin1978.ItisnowsubjecttocontinualdevelopmentbyGeneralSewingDataLimited.GSDisaPredeterminedMotionTimeSystem(PMTS)whichhasbeenspecificallydevelopedforthesewnpro

2、ductsindustry.IthasbeendevelopedusinganMTMdatabase,whichallowsforquickandaccurateinvestigationandmeasurementoftheworkthatwedo.GSDisaneasytounderstand,easytouse,softwaredriventechniqueforMethodsanalysisandthesettingofaccurateandcompetitiveTimeStandardswith

3、inourindustry.Methodscanbeanalyzedacrossalloperations,bothsewingandnonsewinge.g.cutting,examination,pressingandfinishing.GSDrecognizescommonlyoccurringhumanmotionsequencesencounteredinthesewnproductsindustryanddescribesthesemotionsbymeansofcodes.Eachcodeh

4、asapredeterminedtimevaluedescribedinTimeMeasurementUnits(TMUs).TheTMUvaluetakesintoaccountthedistancesmovedandthedegreeofdifficultyofthemotionsmade.Itisnormallyunderstoodthatthereare60secondsperminute.Howevertoallowformoreaccuracyitisnecessarythatthemeasu

5、rementfactorbeabletoquantifymotiontoaveryminutedetail.ForthispurposeweuseTimeMeasurementUnits(TMUs).ThebenefitofsuchminutemeasurementisthatitallowsthepractitionertoshowdistinctdifferencesintheresultantSMVshouldthedefinedproceduresnotbefollowed.75MethodsTi

6、meMeasurement(MTM)Pre-DeterminedMotionTimeSystems(PMTS)PMTSisamethodsanalysistechniquewheretimestandardsareproducedasaby-productofengineeredorobservedworkingmethods.Basichumanmotions,eithersinglyoringroupshavebeenisolatedandatimestandardforeachmotiondeter

7、minedbythenatureofthemotionandtheconditionsunderwhichitismade.Thetimevaluesforallthemanualmotionsareaddedtogetherresultinginaworkanalysisandtimestandardforanygivenmanualoperation.GSDisaPre-DeterminedMotionTimeSystem(PMTS)derivedfromaMethodsTimeMeasurement

8、(MTM)base.MTMisagenerictermforagroupofPMTS.VersionsofMTMare:MTM1,MTM2andMTMCoreData.ItwasMTMCoreDatathatGSDwasdirectlyderived.MTM-1In1948,asaresultofachangeinthestandardmanufacturingidealsandprocesses,theincreasedre