Control ChartThe tools of monitoring and controlling processQuality control begins with control chartand ends up with control chart武汉理工大学机电工程学院工业工程系李存荣（cunrong_li@163.com2007.4Control Chart
2007.4 Control Chart —The tools of monitoring and controlling process Quality control begins with control chart and ends up with control chart Control Chart 武汉理工大学 机电工程学院 工业工程系 李存荣（cunrong_li@163.com ） 1
Control chart: main content1, Understanding the meaning and function of thecontrol chart2,Establishing the basic theory and establishmentmethod of the control chart and observing andanalyzing the criterion of controlapplicableconditions andusage process3, X-barand Rcontrol chart4, Singlevalue-moving range control chart5, Control chart for fraction defective6, Control chart for defects per unit2007.4The main requirements of the chapter2
2007.4 1、Understanding the meaning and function of the control chart 2、Establishing the basic theory and establishment method of the control chart and observing and analyzing the criterion of control,applicable conditions and usage process 3、X-bar and Rcontrol chart 4、Single value-moving range control chart 5、Control chart for fraction defective 6、Control chart for defects per unit The main requirements of the chapter Control chart：main content 2
In 1924, contro chart was proAosed for proress control in thefirst place by Shewhart from America,wich achieved the purposeof contolking the production brocess directly, stabilizing thequality of production process and putting prevention first.It's a graphic technique that is painted insequence by sample data which is collectedregularly from a process.Control chart can showprocess variation and find variation, and thenbecome the important means of taking preventivemeasures2007.4The origin of Control Chart3
2007.4 The origin of Control Chart In 1924, control chart was proposed for process control in the first place by Shewhart from America,which achieved the purpose of controlling the production process directly, stabilizing the quality of production process and putting prevention first. It's a graphic technique that is painted in sequence by sample data which is collected regularly from a process.Control chart can show process variation and find variation, and then become the important means of taking preventive measures 3
It'sa dynamic method that directly studies statisticalregularity of quality data changing over time on thespot;Controlchart is a means that judges whether theproduction process is in the state of control,and it canbe usedto distinguish thatthe quality fluctuation iscaused by accidentalreasons or the systematic reasons2007.4Controlchart4
Control 2007.4 chart It's a dynamic method that directly studies statistical regularity of quality data changing over time on the spot; Control chart is a means that judges whether the production process is in the state of control,and it can be used to distinguish that the quality fluctuation is caused by accidental reasons or the systematic reasons. 4
1、 Paying attention to customers;2、Adoptingeffective means;3.Thegoal ofprocesscontrolisprevention;4、 Skill training and continuingeducation;5,Development strategies, implementation measures,policies andregulations, methods and steps and practical process of ensuring quality;6、 Greater progress can be made by incremental improvements step by step,thereconston of the enterprise operating procedure and inventionandinnva7、Sixprhoplebcoordinatecomprehensivelyandplayarole;customer?6management2007.4Quality control principles (Australia )5
2007.4 1、Paying attention to customers； 2、Adopting effective means； 3、The goal of process control is prevention； 4、Skill training and continuing education； 5、 Development strategies, implementation measures,policies and regulations, methods and steps and practical process of ensuring quality； 6、Greater progress can be made by incremental improvements step by step, the reconstruction of the enterprise operating procedure and invention and innovation； 7、Six principles need to coordinate comprehensively and play a role； Quality control principles（Australia） customer management 1 4 3 6 2 7 ⑤ 5