变压器材料五金件检验标准

中国3000万经理人首选培训网站更多免费资料下载请进：本检验标准仅在上海兆启有限公司使用.五金件材料包括装置器，金属片，接线片，接地杆，连接器端子，装备杆，螺丝管，空气阻隔器，螺丝，螺母，螺杆，垫片，端子，支架，钢板，铜板，铝板等.3.0DEFINE定义Majordefects:Pointseriousimpacttothevisionanduse;Andcan’treachtothedesignrequirement.主要缺点:指严重的影响使用及严重影响视觉;及无法达到原设计要求的缺点;Mindefects:Pointimpacttovision;Andnoimportantdimensionaccordingtotheass’ydrawing.次要缺点:指轻微影响视觉及非关键尺寸的缺点;4.0SAMPLINGPLANANDACCEPTABLEQUALITYLEVEL抽样计划和允收水平4.1Samplingplan:抽样计划AccordingtosamplingplanofMegapowershanghai,thesamplinggradeisdividedinto:Reducesampling,normalsampling,increasesampling.抽样方案按照兆启上海的抽样计划，抽样等级分为：正常抽样，减少抽样，加强抽样。正常选择抽样比例依照一般检验水准II级。中国3000万经理人首选培训网站更多免费资料下载请进：允收水准:MajordefectforAQL0.65;MindefectforAQL1.5,Thesampleplanisclasstwoaccordingtogeneralinspectionlevels.主要缺陷为AQL0.65;次要缺陷为AQL1.5;*REFERENCEINFO:MIL-STD-105E*参考资料:MIL-STD-105E5.0INSPECTIONEQUIPMENTS检验设备5.1Appearanceinspection:view,magnet外观检验：目视,磁铁5.2Dimensioninspection:caliper,T/Zgauge尺寸检验：卡尺,通止规5.3Functioninspection:iron性能检验：电烙铁6.0INSPECTIONCONDITION检验条件6.1Distance:thedistanceis30cmbetweeneyeswithmaterial.距离：肉眼与被测物距离30cm左右。6.2Time：Theinspection’stimewithinsevenseconds.时间：在七秒钟内能确认缺陷。6.3Lighting:500Lux照明：应使用均匀、无方向性、至少500勒克司的照明。6.4Temperature:20-28℃温度：20—28℃。6.5Inspectionvision:Inspectionmustbemadebyindividualwith1.0visionorvisioncorrectedto1.0检查视力：检验员裸视力和矫正视力为1.0。中国3000万经理人首选培训网站更多免费资料下载请进：序号Inspectionitems检验项目Inspectionstandard检验标准Defectgrade缺陷等级Remark备注MAMI1Cracking破裂None无X2Warpage变形None无X3Colourdeviation色差None,oraccordwithlimitsample无,或符合限度样品X4Rusty,oxidation生锈,氧化None无X5Oilandburr油污和毛刺None无X6Materialandtheplating材质和镀层Mustaccordwithdrawing必须符合图纸要求Usemagnetaffirmthestainlesssteeldon’tinhaled用磁铁确认不锈钢不导磁specialrequiredmetalalloyneedsupplierinspectioncertificate特殊要求的合金材料必须有供应商材质证明X7.1Dimensioninspection尺寸检验S/N序号Inspectionitems检验项目Inspectionstandard检验标准Defectgrade缺陷等级Remark备注MAMI1Length,Width,Height,ThicknessOtherdimensions长度，宽度，高度，厚度其它等尺寸Accordingtodrawing依图纸X2T/Zgaugemeasure通止规测试Accordingtodrawing依图纸XRemark:A.MeasureFrequency测试数量:5pcs/lot/每批5个;B.TheT/Zgaugemeasureareonlyforscrew,nut,threadedrod;通止规测试只针对于螺丝,螺母和螺杆材料中国3000万经理人首选培训网站更多免费资料下载请进：通止规测试工具参见下表内螺纹(螺母)外螺纹(螺丝,螺杆)无镀层6H6g有镀层6H6h图纸上有标注的按图纸7.2Functioninspection性能检验7.2.1Platingsoldertest/焊接测试.A.Equipment/设备:100Wmagnetictemperaturecontrolledsolderiron100W温控电烙铁B.TestFrequency测试数量:2pcs/lot/每批2个C.TestingMethod/测试方法:a)Normalsolderingtime:3-5seconds;Ifitisleadfreematerial,thesolderingtime:3-7seconds;保持3-5秒钟焊接;无铅焊材料焊接时间为3-7秒;b)Temperatureofsoldering:370±10℃D.Standard/判定条件:E.a)Solderjointissmoothandformingathinedge;焊点光滑，吃锡饱满;b)Noanyplatingpeelingandanysurfacedamaged.焊接后镀层不允许脱落.7.2.2BendingTest/折弯测试A.TestFrequency测试数量：2pcs/lot/每批2个B.TestMethod测试方法：useplierstobendingtesttwice90degree使用尖嘴钳在焊接处连续2次90度折弯C.Standard/判定条件：nocrack无开裂现象*Remark:Theplatingsoldertestisonlyforterminal.焊接测试只针对于端子材料.Thebendingtestisonlyforcopperwasher.折弯测试只针对于铜盘垫片。