自动洗片机质量控制的动态分析

目的 通过对自动洗片机质量管理图的动态分析，了解其变化的原因，以便采取相应的修正，保证胶片冲洗质量的稳定性。方法 取用量最大的胶片，用洗片我进行曝光和扫描，取得监控照片冲性能的本底灰雾、感度指数、对比度九等３个参数，并绘制成周期动态管理图，再对４个月的连续监控管理图进行分析。结果 （１）在严格按照管理程序控制下，以上３个参数均处于管理控制界限内，呈现为正常动态管理图。（２）洗片机监测管理图的动态变

The dynamical analysis on the quality control of automatic processor

Objective Toensurethestabilityoffilmprocessqualitybydoingcorrespondingcorrection afterdynamicallyanalyzingtheautomaticprocessorqualitycontrolchart.Methods Thefilmwhichwasmost frequentlyusedwasselectedtobethetestfilmfortheprocessorqualitycontrolmonitorincludingasensitometerand adensitometer.Threeparametersoftheprocessingsystemweremeasuredandevaluatedbyprocessormonitoring tests,whichwerespeedindex ,contrastindexandbase fog ,whichwereplottedonagraphcalledautomatic processorqualitycontrolchart.ThenwecontinuouslyanalyzedtheQCchartforaboutfourmonths.Results ( 1) Underthestrictcontrolaccordingtothemanageprogram ,allofthethreeparameterswereinthelimitsof acceptability .ItshowedthenormalQCchart.( 2 )ThedynamicalchangesoftheQCchart,wouldbedifferentby changingthetesttimeandfrequency .( 3 )Duringthecontinuedmeasurementoffourmonths,thereappearedthree trendsindicatingthelossofcontrol,andwefoundhowthesetrendsappeared .Conclusion Thedailyprocessor qualitycontrolisjustamethod .Importantlymore ,wecanfindtheproblemsappearingafteranalyzingthetrendof theQCchart,andsolvetheproblemsintimeandachieveourpurposeinqualitycontrol togetahighqualityand steadyimage .