GSD一般车缝数据

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

2、opedusinganMTMdatabase,whichallowsforquickandaccurateinvestigationandmeasurementoftheworkthatwedo.GSDisaneasytounderstand,easytouse,softwaredriventechniqueforMethodsanalysisandthesettingofaccurateandcompetitiveTimeStandardswithinourindustry.Methodscanbeanalyzedacrossalloperations,bo

3、thsewingandnonsewinge.g.cutting,examination,pressingandfinishing.GSDrecognizescommonlyoccurringhumanmotionsequencesencounteredinthesewnproductsindustryanddescribesthesemotionsbymeansofcodes.EachcodehasapredeterminedtimevaluedescribedinTimeMeasurementUnits(TMUs).TheTMUvaluetakesintoa

4、ccountthedistancesmovedandthedegreeofdifficultyofthemotionsmade.Itisnormallyunderstoodthatthereare60secondsperminute.Howevertoallowformoreaccuracyitisnecessarythatthemeasurementfactorbeabletoquantifymotiontoaveryminutedetail.ForthispurposeweuseTimeMeasurementUnits(TMUs).Thebenefitof

5、suchminutemeasurementisthatitallowsthepractitionertoshowdistinctdifferencesintheresultantSMVshouldthedefinedproceduresnotbefollowed.MethodsTimeMeasurement(MTM)Pre-DeterminedMotionTimeSystems(PMTS)PMTSisamethodsanalysistechniquewheretimestandardsareproducedasaby-productofengineeredor

6、observedworkingmethods.Basichumanmotions,eithersinglyoringroupshavebeenisolatedandatimestandardforeachmotiondeterminedbythenatureofthemotionandtheconditionsunderwhichitismade.Thetimevaluesforallthemanualmotionsareaddedtogetherresultinginaworkanalysisandtimestandardforanygivenmanualo

7、peration.GSDisaPre-DeterminedMotionTimeSystem(PMTS)derivedfromaMethodsTimeMeasurement(MTM)base.MTMisagenerictermforagroupofPMTS.VersionsofMTMare:MTM1,MTM2andMTMCoreData.ItwasMTMCoreDatathatGSDwasdirectlyderived.MTM-1In1948,asaresultofachangeinthestandardmanufacturingidealsandprocess

8、es,theincreasedrequ