射线照相胶片加工程序FILM PROCESSING PROCEDURE FOR RT RADIOGRAPHS

《射线照相胶片加工程序FILM PROCESSING PROCEDURE FOR RT RADIOGRAPHS》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、FILMPROCESSINGPROCEDUREFORRTRADIOGRAPHSNDE07-07Revision0Date30/04/2017Page5of5FILMPROCESSINGPROCEDUREFORRTRADIOGRAPHS3210REVISIONPREPAREDBYREVIEWEDBYAPPROVEDBYAIFILMPROCESSINGPROCEDUREFORRTRADIOGRAPHSNDE07-07Revision0Date30/04/2017Page5of51Scope1.1Thisprocedureiscompliancewiththerequirement

2、sofASMEBoilerandPressureVesselCodeSectionⅤ.1.2Thisprocedureestablishestheprocessforcontrollingthefilmprocessingtoproduceasatisfactoryradiograph.2QualificationsofExaminationPersonnelAnypersonsengagedinthisexaminationshallbequalifiedasradiographicexaminerinaccordancewiththeWrittenPracticefort

3、heTraining,ExaminationandQualificationofNDEPersonnel.3AutomaticProcessingFilmcharacteristicsmustbecompatiblewithprocessingconditions.Itisessentialthattherecommendationsofthefilmprocessorandchemicalmanufacturersbefollowed.4ManualProcessing4.1Filmandchemicalmanufacturersshouldbeconsultedforde

4、tailedrecommendationsonmanualfilmprocessing.4.2PreparationNomorefilmshouldbeprocessedthancanbeaccommodatedwithaFILMPROCESSINGPROCEDUREFORRTRADIOGRAPHSNDE07-07Revision0Date30/04/2017Page5of5minimumseparationof20mm.Hangersareloadedandsolutionsstirredbeforestartingdevelopment.4.3StartofDevelop

5、mentStartthetimerandplacethefilmsintothedevelopertank.Separatetoaminimumdistancesof20mmandagitateintwodirectionsforabout15s.4.4DevelopmentNormaldevelopmentis5to8min.at68°F(20℃).Themanufacturer'srecommendationshouldbefollowedinchoosing　adevelopmenttime.Consultmanufacturerrecommendeddevelopme

6、nttimeversustemperaturecharts.Otherrecommendationsofthemanufacturertobefollowedarereplenishmentrates,renewalofsolutions,andotherspecificinstructions.4.5AgitationShakethefilmhorizontallyandvertically,ideallyforafewsecondseachminuteduringdevelopment.Thiswillhelpfilmdevelopevenly.4.6StopBathor

7、RinseAfterdevelopmentiscomplete,theactivityofdeveloperremainingintheemulsionshouldbeneutralizedbyanacidstopbathor,ifthisisnotpossible,byrinsingwithvigorousagitationinclearwater.Followthefilmmanufacturer’srecommendationofstopbathcomposition(orlengthofalte