SPC-7QC+tools.ppt

SPC培训,BY：HCTan日期：3rd/July/08时间：6。30PM地点：新办公楼5号会议室,Agenda内容：SPC简介：5分钟SPC工具：30分钟发问：5分钟时间：40分钟,S,L,PresentationbyHCTan,QualityControl品质控制,BY：HCTan日期：8th/July/08时间：9。30AM,S,L,StatisticalProcessControl统计学过程控制(SPC),PresentationbyHCTan,StatisticalProcessControl统计学过程控制(SPC),PresentationbyHCTan,L,S,统计学过程控制7QC工具,7QCTools:Checksheet检查表ParetoChart柏拉图Histogram柱状图ScatterPlot分布图CauseandeffectDiagram鱼骨图或因果图FlowChart流程图ControlChart控制图,PresentationbyHCTan,Checksheet检查表,Usedtosystematicallycollectdata用系统化收集数据Canhelptospotproblemareasrevealingfrequencyofdefecttype,location,orcause帮助找出不良的种类，地点或原因的频率Typeofchecksheet检查表的种类1.Datacollectingchecksheet数据收集检查表Processdistribution制程分布DatacollectedmaybeusedDefectiveitems不良种类plottinghistograms，paretoDefectlocation不良地点Charts，etc数据可用来绘柱状图DefectCause不良原因柏拉图等2.Confirmationchecksheet确认检查表Usedtoenableallnecessaryitemsarecheckedwithoutomission检查所有应有的项目确保没有遗漏。,PresentationbyHCTan,DisadvantagesOfChecksheets检查表的坏处,Cannotrevealanychangesovertime不能表明改变的时间Needtoanalyzeseveralsheetsarrangedinchronologicalordertodeterminetrends须分析几张检查表的先后才能观察趋势Possibilityofchecksnotenteredbydatacollector有可能检查员没有输入数据Misinterpretingthedataduetodifferentinfluencingconditionsarepresent在不同影响的情况出现时，错误解释数据,PresentationbyHCTan,SPC工具检查单之运行图,PresentationbyHCTan,SPC工具运行表之柱状图,1.180,1.190,1.200,1.210,1.220,1.230,1.240,1.250,1.260,1,2,3,4,5,6,7,8,运行表,柱状图,0,PresentationbyHCTan,检查单之Pareto图,PresentationbyHCTan,ParetoChart柏拉图,Visuallyshowswhicharethemostsignificantproblems,defect,causes,etc,Helpprioritizeimprovementeffort从图中一眼就看出问题，不良，原因等，帮助优先改进Abargraphwithbarheightsarrangedindescendingorder,onacategoricalx-axis（Y轴是发生的次数有多到少，X轴是原因）BarheightrepresentsfrequencyofoccurrenceorcostAlsoincludesacumulativecurvetohelpidentifywhichvitalfewXsarecausingmostoftheobservedcounts（同时包裹累计曲线，观察X线累计最多的数据Canbeusedbeforeagainsthistoricallydeterminedcontrollines.从收集到的样品，将品质特性测量和计算，规划出控制图Indicationifaprocessisconsideredtobeundercontrolorstable从控制图中可显示制程中的稳定性或可控制性,PresentationbyHCTan,SPC工具（控制尺寸）规格限制迎战.-控制限制,PresentationbyHCTan,如产品超出设定范围，还在控制范围就应该行动改进,Application运用,Servesasan“alarm”forongoingofaprocess制程中的警钟Determinewhenaprocessneedstobeadjustedandwhenitistobeleftasitis显示制程需要调整和已经偏离要求Helpimproveaprocesstoperformconsistentlyandpredictably帮助改善制程，稳定性和可预计Helptoconfirmanyimprovementtoaprocess;evidenceofcontinualimprovement帮助肯定改善制程，持续改善的证据Providesacommonlanguagefordiscussingprocessperformance提供相同渠道讨论制程表现,PresentationbyHCTan,CommonVsSpecialCauses普通VS特殊原因,Thefluctuationofthepointswithinthelimitsresultfromvariationinherentintheprocess,comefromcommoncauses在制程控制范围出现的点，是普通的原因。Pointsoutofthelimitsornoticeablepatternwithinthelimits,comefromspecialcauses在制程控制范围以外的点，来自特殊的原因Processisin“statisticalcontrol”iftheprocessisnotbeingaffectedbyspecialcauses制程是在“统计学过程控制”是不受特殊原因影响,PresentationbyHCTan,INVOLVEMENT参与,Startswithrecognitionofimprovementopportunity从可改善机会开始行动Qualityimprovementasnormalpartofeveryoneswork品质改进是每个人的工作Crossfunctional,cross-levelteamapproach须跨部门，跨层次的团队工作途径,PresentationbyHCTan,95%,95%Oftheproblemsinacompanycanbesolvedbythe7QCTOOLS百份之九十五的问题可以用这7QC工具解决。,PresentationbyHCTan,Questions问题？,PresentationbyHCTan,PrinciplesofOb